Guaranty and Declaration
Copyright© 2023 RIGOL TECHNOLOGIES CO., LTD. All Rights Reserved.
Trademark Information
RIGOL®is the trademark of RIGOL TECHNOLOGIES CO., LTD.
Notices•

RIGOL products are covered by P.R.C. and foreign patents, issued and pending.

•

RIGOL reserves the right to modify or change parts of or all the specifications and pricing
policies at the company's sole decision.

•

Information in this publication replaces all previously released materials.

•

Information in this publication is subject to change without notice.

•

RIGOL shall not be liable for either incidental or consequential losses in connection with thefurnishing, use, or performance of this manual, as well as any information contained.

•

Any part of this document is forbidden to be copied, photocopied, or rearranged without priorwritten approval of RIGOL.

Product Certification
RIGOL guarantees that this product conforms to the national and industrial standards in China as
well as the ISO9001:2015 standard and the ISO14001:2015 standard. Other international standard
conformance certifications are in progress.
Contact Us
If you have any problem or requirement when using our products or this manual, please contact
RIGOL.
E-mail: service@rigol.com
Website: http://www.rigol.com

Section

Description

Page

List of Figures................................................................................................................................IV
List of Tables..................................................................................................................................VI
1 Safety Requirement.........................................................................................................1

1.1 General Safety Summary.................................................................................................................. 1

1.2 Safety Notices and Symbols............................................................................................................ 2

1.3 Measurement Category.....................................................................................................................3

1.4 Ventilation Requirement................................................................................................................... 4

1.5 Working Environment........................................................................................................................ 4

1.6 Care and Cleaning............................................................................................................................... 5

1.7 Environmental Considerations

2 Product Features.............................................................................................................. 7

3 Document Overview
4 Quick Start........................................................................................................6....................................................................................................... 8..........................................................................................................................9

4.1 General Inspection.............................................................................................................................. 9

4.2 Appearance and Dimensions
4.3 To Prepare for Use.......................................................................................................... 9.............................................................................................................................10

4.3.1 To Connect to Power...........................................................................................................10

4.3.2 Turn-on Checkout................................................................................................................ 11

4.3.3 To Set the System Language
4.4 Product Overview............................................................................................ 12..............................................................................................................................124.4.1 Front Panel Overview..........................................................................................................124.4.2 Rear Panel Overview........................................................................................................... 15

4.4.3 User Interface Overview
4.5 Touch Screen Gestures.................................................................................................... 18.................................................................................................................... 20

4.5.1 Tap............................................................................................................................................. 20

4.5.2 Drag.......................................................................................................................................... 21

4.6 Parameter Setting Method............................................................................................................ 21

4.6.1 To Set Parameters with the Front-panel Keys and Knobs
4.6.2 To Set Parameters with the Touch Screen
4.7 To Use the Built-in Help System....................................................................23...................................................................................................27

4.8 To View the Option Information and Install the Option

5 Continuous...................................... 21......................................................27.......................................................................................................................29

5.1 To Output Sine Wave....................................................................................................................... 30

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DG800 Pro User GuideI5.2 To Output Square Wave..................................................................................................................32

5.3 To Output Ramp Wave.................................................................................................................... 34

5.4 To Output Pulse................................................................................................................................. 36

5.5 To Output Noise................................................................................................................................ 38

5.6 To Output Arbitrary Waveforms
5.7 To Output Harmonic

6 Modulation........................................................................................................................ 44...................................................................................................................... 48

6.1 Amplitude Modulation (AM).........................................................................................................48

6.2 Frequency Modulation (FM)..........................................................................................................50

6.3 Phase Modulation (PM).................................................................................................................. 52

6.4 Amplitude Shift Keying (ASK)....................................................................................................... 53

6.5 Frequency Shift Keying (FSK)........................................................................................................ 55

6.6 Phase Shift Keying (PSK).................................................................................................................56

6.7 Pulse Width Modulation (PWM)
6.8 SUM Modulation

7 Sweep..................................................................................................57...............................................................................................................................59.................................................................................................................................61

7.1 Sweep Type......................................................................................................................................... 61

7.2 Start Frequency and Stop Frequency......................................................................................... 63

7.3 Center Frequency and Frequency Span.....................................................................................63

7.4 Sweep Time......................................................................................................................................... 64

7.5 Start/Stop Hold Time
7.6 Return Time.......................................................................................................................65.........................................................................................................................................65

7.7 Sweep Trigger Source
7.8 Mark Frequency

8 Burst...................................................................................................................... 66................................................................................................................................. 66................................................................................................................................... 68

8.1 Burst Type............................................................................................................................................ 69

8.2 Burst Delay.......................................................................................................................................... 70

8.3 Burst Phase..........................................................................................................................................70

8.4 Burst Period.........................................................................................................................................71

8.5 Burst Trigger Source
8.6 Gate Polarity
8.7 Idle Level

9 Sequence.........................................................................................................................71........................................................................................................................................72.............................................................................................................................................. 72.......................................................................................................................... 74

9.1 To Edit Sequence............................................................................................................................... 74

9.2 To Save/Load Sequence..................................................................................................................76

9.3 To Set Sequence Parameters

10 Frequency Counter
DG800 Pro User Guide
II...................................................................................................40.........................................................................................................76........................................................................................................78
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10.1 To Enable the Counter..................................................................................................................... 79

10.2 To Set the Counter............................................................................................................................79

10.3 Statistical Function............................................................................................................................80

11 Channel Copy..................................................................................................................82

12 Channel Setup.................................................................................................................85

12.1 Sync Signal Setup..............................................................................................................................85

12.2 Trigger Output Setup.......................................................................................................................87

12.3 Channel Output Setup.....................................................................................................................88

13 Coupling Setup
14 Align Phase...............................................................................................................90...................................................................................................................... 93

15 Storage Management
15.1 To Select the File................................................................................................................................94

15.2 To Create New Folder
15.3 Cut and Copy.................................................................................................. 94...................................................................................................................... 95......................................................................................................................................95

15.4 Rename.................................................................................................................................................95

15.5 Delete.................................................................................................................................................... 95

16 Upgrade............................................................................................................................ 96

17 System Utility Function Setting
17.1 I/O Setting
17.2 LXI.................................................................................97........................................................................................................................................... 97...........................................................................................................................................................99

17.3 Basic Settings......................................................................................................................................99

17.4 About this Instrument
17.5 Print Screen
17.6 Option...................................................................................................................101.......................................................................................................................................102.................................................................................................................................................102

17.7 Open Source Acknowledgment
17.8 Self-check.................................................................................................103.......................................................................................................................................... 103

18 Preset Function............................................................................................................ 104

19 Remote Control............................................................................................................109

20 Troubleshooting...........................................................................................................110

21 Appendix........................................................................................................................ 112

21.1 Appendix A: Options and Accessories
21.2 Appendix B: Warranty.................................................................................... 112................................................................................................................... 112

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DG800 Pro User Guide
III

List of Figures
Figure 4.1 Front View ................................................................................................................9
Figure 4.2 Side View ................................................................................................................10
Figure 4.3 Connect to Power ............................................................................................... 11
Figure 4.4 Front Panel ............................................................................................................ 12
Figure 4.5 Rear Panel .............................................................................................................. 15
Figure 4.6 User Interface ....................................................................................................... 18
Figure 4.7 Tap Gesture ........................................................................................................... 20
Figure 4.8 Drag Gesture .........................................................................................................21
Figure 4.9 English Input Interface ...................................................................................... 24
Figure 4.10 Chinese Input Interface .................................................................................. 25
Figure 4.11 Numeric Keypad ................................................................................................26
Figure 5.1 Continuous Setting Interface ..........................................................................29
Figure 5.2 Harmonic Setting Interface ............................................................................. 45
Figure 5.3 Table Editing Menu .............................................................................................47
Figure 6.1 Modulation Setting Interface ..........................................................................48
Figure 7.1 Sweep Setting Interface ....................................................................................61
Figure 7.2 Linear Sweep .........................................................................................................62
Figure 7.3 Logarithmic Sweep .............................................................................................62
Figure 7.4 Step Sweep ............................................................................................................63
Figure 8.1 Burst Setting Interface ...................................................................................... 68
Figure 9.1 Sequence Setting Interface ............................................................................. 74
Figure 9.2 Sequence Editing Table .....................................................................................75
Figure 10.1 Counter Menu ....................................................................................................78
Figure 10.2 Counter Statistical Interface ..........................................................................81
Figure 12.1 Channel Setup Interface .................................................................................85
Figure 13.1 "Coupling" Menu ..............................................................................................90
Figure 14.1 Before Aligning Phase .....................................................................................93
DG800 Pro User GuideIV

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Figure 14.2 After Aligning Phase ........................................................................................93
Figure 18.1 Preset Menu .....................................................................................................104

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DG800 Pro User Guide
VList of Tables
Table 4.1 Power Adaptor Specifications ...........................................................................11
Table 5.1 Range of Continuous Waveform Frequency ................................................30
Table 5.2 Built-in Waveforms ............................................................................................... 40
Table 11.1 Dual-channel operation parameters ............................................................82
Table 12.1 Sync Signal of Different Output Modes (Positive Polarity) .................. 86
Table 18.1 Factory Settings ................................................................................................ 105

DG800 Pro User GuideVI

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Safety Requirement

1

Safety Requirement

1.1

General Safety Summary
Please review the following safety precautions carefully before putting the instrument
into operation so as to avoid any personal injury or damage to the instrument andany product connected to it. To prevent potential hazards, please follow the
instructions specified in this manual to use the instrument properly.
•

Use the BNC Output Connectors Properly.
The front-panel and BNC output connectors only allow signal output but unable
to support signal input.

•

Use Proper Power Cord.
Only the exclusive power cord designed for the instrument and authorized foruse within the destination country could be used.

•

Observe All Terminal Ratings.
To avoid fire or shock hazard, observe all ratings and markers on the instrument
and check your manual for more information about ratings before connecting
the instrument.

•

Use Proper Overvoltage Protection.
Ensure that no overvoltage (such as that caused by a bolt of lightning) can reachthe product. Otherwise, the operator might be exposed to the danger of anelectric shock.

•

Do Not Operate Without Covers.
Do not operate the instrument with covers or panels removed.

•

Do Not Insert Objects into the Air Outlet.
Do not insert objects into the air outlet, as doing so may cause damage to the
instrument.

•

Avoid Circuit or Wire Exposure.
Do not touch exposed junctions and components when the instrument is
powered on.

•

Do Not Operate With Suspected Failures.
If you suspect that any damage may occur to the instrument, have it inspected
by RIGOL authorized personnel before further operations. Any maintenance,adjustment or replacement especially to circuits or accessories must be
performed by RIGOL authorized personnel.

•

Provide Adequate Ventilation.

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DG800 Pro User Guide
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Safety Requirement

Inadequate ventilation may cause an increase of temperature in the instrument,
which would cause damage to the instrument. So please keep the instrument
well ventilated and inspect the air outlet and the fan regularly.
•

Do Not Operate in Wet Conditions.
To avoid short circuit inside the instrument or electric shock, never operate theinstrument in a humid environment.

•

Do Not Operate in an Explosive Atmosphere.
To avoid personal injuries or damage to the instrument, never operate theinstrument in an explosive atmosphere.

•

Keep Instrument Surfaces Clean and Dry.
To avoid dust or moisture from affecting the performance of the instrument,
keep the surfaces of the instrument clean and dry.

•Prevent Electrostatic Impact.
Operate the instrument in an electrostatic discharge protective environment toavoid damage induced by static discharges. Always ground both the internal andexternal conductors of cables to release static before making connections.

•

Use the Battery Properly.
Do not expose the battery (if available) to high temperature or fire. Keep it out of
the reach of children. Improper change of a battery (lithium battery) may cause
an explosion. Use the RIGOL specified battery only.

•

Handle with Caution.
Please handle with care during transportation to avoid damage to keys, knobs,
interfaces, and other parts on the panels.

WARNING
Equipment meeting Class A requirements may not offer adequate protection to broadcast
services within residential environment.

1.2

Safety Notices and Symbols
Safety Notices in this Manual:
WARNING
Indicates a potentially hazardous situation or practice which, if not avoided, will result inserious injury or death.

CAUTION
Indicates a potentially hazardous situation or practice which, if not avoided, could resultin damage to the product or loss of important data.

DG800 Pro User Guide
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Safety Requirement

Safety Notices on the Product:•

DANGER
It calls attention to an operation, if not correctly performed, could result in injury
or hazard immediately.

•WARNING
It calls attention to an operation, if not correctly performed, could result in
potential injury or hazard.

•

CAUTIONIt calls attention to an operation, if not correctly performed, could result indamage to the product or other devices connected to the product.

Safety Symbols on the Product:

1.3

Hazardous

Safety Warning Protective Earth Chassis Ground

Voltage

Terminal

Test Ground

Measurement Category
Measurement Category
This instrument can make measurements in Measurement Category I.
WARNING
This instrument can only be used for measurements within its specified measurement
categories.

Measurement Category Definitions•

Measurement category I is for measurements performed on circuits not directly
connected to MAINS. Examples are measurements on circuits not derived from
MAINS, and specially protected (internal) MAINS derived circuits. In the latter
case, transient stresses are variable. Thus, you must know the transient withstandcapability of the equipment.

•

Measurement category II is for measurements performed on circuits directly
connected to low voltage installation. Examples are measurements on household
appliances, portable tools and similar equipment.

•

Measurement category III is for measurements performed in the building
installation. Examples are measurements on distribution boards, circuit-breakers,
wiring (including cables, bus-bars, junction boxes, switches and socket-outlets) in
the fixed installation, and equipment for industrial use and some other

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DG800 Pro User Guide
3

Safety Requirement

equipment. For example, stationary motors with permanent connection to a
fixed installation.
•

Measurement category IV is for measurements performed at the source of alow-voltage installation. Examples are electricity meters and measurements on
primary overcurrent protection devices and ripple control units.

1.4

Ventilation Requirement
This instrument uses a fan to force cooling. Please make sure that the air inlet andoutlet areas are free from obstructions and have free air. When using the instrument
in a bench-top or rack setting, provide at least 10 cm clearance beside, above andbehind the instrument for adequate ventilation.
CAUTION
Inadequate ventilation may cause an increase of temperature in the instrument, which
would cause damage to the instrument. So please keep the instrument well ventilated andinspect the air outlet and the fan regularly.

1.5

Working Environment
Temperature
Operating: 0℃ to +40℃
Non-operating: -20℃ to +60℃
Humidity•

Operating:
0℃ to +40℃: ≤80% RH (without condensation)•

Non-operating:-20℃ to +40℃: ≤90% RH (without condensation)
Below +60℃: ≤80% RH (without condensation)

WARNINGTo avoid short circuit inside the instrument or electric shock, never operate theinstrument in a humid environment.

Altitude•Operating: below 3 km•

Non-operating: below 12 km

DG800 Pro User Guide
4

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Safety Requirement

Protection Level Against Electric ShockESD ±8kV
Installation (Overvoltage) Category
This product is powered by mains conforming to installation (overvoltage) category II.
WARNING
Ensure that no overvoltage (such as that caused by a bolt of lightning) can reach the
product. Otherwise, the operator might be exposed to the danger of an electric shock.

Installation (Overvoltage) Category Definitions
Installation (overvoltage) category I refers to signal level which is applicable toequipment measurement terminals connected to the source circuit. Among theseterminals, precautions are done to limit the transient voltage to a low level.
Installation (overvoltage) category II refers to the local power distribution level which
is applicable to equipment connected to the AC line (AC power).
Pollution Degree
Pollution Degree 2
Pollution Degree Definition•

Pollution Degree 1: No pollution or only dry, nonconductive pollution occurs.
The pollution has no effect. For example, a clean room or air-conditioned officeenvironment.

•

Pollution Degree 2: Normally only nonconductive pollution occurs. Temporaryconductivity caused by condensation is to be expected. For example, indoor
environment.

•

Pollution Degree 3: Conductive pollution or dry nonconductive pollution that
becomes conductive due to condensation occurs. For example, shelteredoutdoor environment.

•

Pollution Degree 4: The pollution generates persistent conductivity caused byconductive dust, rain, or snow. For example, outdoor areas.

Safety ClassClass 2

1.6

Care and Cleaning
Care
Do not store or leave the instrument where it may be exposed to direct sunlight forlong periods of time.

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DG800 Pro User Guide
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Safety Requirement

Cleaning
Clean the instrument regularly according to its operating conditions.
1. Disconnect the instrument from all power sources.
2. Clean the external surfaces of the instrument with a soft cloth dampened with mild
detergent or water. Avoid having any water or other objects into the chassis via theheat dissipation hole. When cleaning the LCD, take care to avoid scarifying it.
CAUTION
To avoid damage to the instrument, do not expose it to caustic liquids.

WARNINGTo avoid short-circuit resulting from moisture or personal injuries, ensure that the
instrument is completely dry before connecting it to the power supply.

1.7

Environmental Considerations
The following symbol indicates that this product complies with the WEEE Directive
2002/96/EC.

The equipment may contain substances that could be harmful to the environment orhuman health. To avoid the release of such substances into the environment andavoid harm to human health, we recommend you to recycle this productappropriately to ensure that most materials are reused or recycled properly. Pleasecontact your local authorities for disposal or recycling information.
You can click on the following link https://int.rigol.com/services/services/declaration
to download the latest version of the RoHS&WEEE certification file.

DG800 Pro User Guide
6

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Product Features

2

Product Features
Product Features•

Max. sample rate: 625 MSa/s•

Max. output frequency: 50 MHz•

16-bit vertical resolution•

Arbitrary waveform editing function with a max. Arb waveform length of 2
Mpts/CH (8 Mpts/CH optional)•

Built-in high-order harmonic generator (max. 20th order)•

Independent signal frequency measurement channel with a max. frequency of
500 MHz•USB and LAN interfaces for remote connection•

Type-C power interface for powering the instrument with mobile power source,
satisfying testing requirements in the field•

Standard Web Control function for easier remote cooperation

DG800 Pro series Function/Arbitrary Waveform Generator provides up to 625 MSa/s
sample rate and 2 Mpts/CH memory depth (standard). It is a cost-effective function/
arbitrary waveform generator that combines multiple functions including Function
Generator, Arbitrary Waveform Generator, Noise Generator, Pulse Generator,
Harmonic Generator, Analog/Digital Modulator and Counter.

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DG800 Pro User Guide
7

Document Overview

3

Document Overview
This manual gives you a quick overview of the front and rear panels, user interface aswell as basic operation methods of DG800 Pro series function/arbitrary waveformgenerator.
TIP
For the latest version of this manual, download it from RIGOL official website (www.rigol.com).

Publication Number
UGB14100-1110
Format Conventions in this Manual
1. KeyThe front panel key is denoted by the menu key icon. For example,
indicates the "Default" key.
2. Menu
The menu item is denoted by the format of "Menu Name (Bold) + Character
Shading" in the manual. For example, Setup.
3. Operation Procedures
The next step of the operation is denoted by ">" in the manual. For example,> Utility indicates first clicking or tapping

and then clicking or tapping Utility.

Content Conventions in this Manual
DG800 Pro series function/arbitrary waveform generator includes the following
models. Unless otherwise specified, this manual takes the two-channel model DG852
Pro as an example to illustrate the functions and operation methods of DG800 Pro
series.
Model

No. of Channels

Sample Rate

Max. Output
Frequency

DG821 Pro1625 MSa/s

25 MHzDG822 Pro2625 MSa/s

25 MHz

DG852 Pro2625 MSa/s

50 MHz

DG800 Pro User Guide
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Quick Start

4

Quick Start

4.1

General Inspection
1. Inspect the packaging
If the packaging has been damaged, do not dispose the damaged packaging or
cushioning materials until the shipment has been checked for completeness andhas passed both electrical and mechanical tests.
The consigner or carrier shall be liable for the damage to the instrument resulting
from shipment. RIGOL would not be responsible for free maintenance/rework or
replacement of the instrument.
2. Inspect the instrument
In case of any mechanical damage, missing parts, or failure in passing the electricaland mechanical tests, contact your RIGOL sales representative.
3. Check the accessories
Please check the accessories according to the packing lists. If the accessories aredamaged or incomplete, please contact your RIGOL sales representative.
Recommended Calibration Interval
RIGOL suggests that the instrument should be calibrated every 12 months.

4.2

Appearance and Dimensions

165 mm

266 mmFigure 4.1 Front View

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DG800 Pro User Guide
9

Quick Start

80 mm

Figure 4.2 Side View

4.3

To Prepare for Use

4.3.1

To Connect to PowerThe power requirements of this signal source are USB PD 15 V, 3 A. Please use thepower adaptor provided in the accessories to connect the instrument to the AC
power source (100 V to 240 V, 50 Hz to 60 Hz), as shown in the figure below. Apartfrom the instrument's standard power adaptor, this instrument also supports thepower adaptor that conforms to the PD (Power Delivery) protocol. However, theadaptor should support 15 V 3 A 45 W output.
After the power is connected, the backlight of the front-panel power key can have thefollowing three states:•

Breathing Red: indicates that the instrument is connected to a compliant power
adaptor and is in standby state. At this time, you can press the power key topower on the instrument.

•

Solid Yellow: indicates that the instrument does not detect a compliant power
adaptor and cannot be powered on.

•

DG800 Pro User Guide
10

Solid Green: indicates that the instrument is running normally.

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Quick Start

Power Connector

Figure 4.3 Connect to Power

Table 4.1 Power Adaptor Specifications
Item

Description

Input

100 V to 240 V, 50 Hz to 60 Hz, 1.6 A Max

OutputUSB PD 15 V, 3 A, 45 W

CAUTION
The power adaptor provided in accessories can only be used to power RIGOL instruments.
Do not use it for mobile phone and other devices.

WARNINGTo avoid electric shock, please ensure that the instrument is correctly grounded.

4.3.2

Turn-on Checkout
After the instrument is connected to the power source, pressat the lower-leftcorner of the front panel to power on the instrument. During the start-up process, theinstrument performs a series of self-tests. After the self-test, the splash screen isdisplayed. You can also click or tap> Utility > Setup to set the "Power Set" to"Auto". The instrument powers on once connected to power. If the instrument won't
start, please refer to Troubleshooting to address it.
TIP
You can shut down the instrument in the following ways.

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DG800 Pro User Guide
11

Quick Start•

Click or tap> Shut Down or press the front-panel

and a dialog box "Do you

need to shut down the instrument?" is displayed. Click or tap Shut Down to shut down
the instrument.

4.3.3

•

Press

twice to shut down the instrument.

•

Press

for three seconds to shut down the instrument.

To Set the System Language
The instrument supports system languages including Chinese and English. You canclick or tap> Utility > Setup to enter the basic settings menu. Then click or tap

the drop-down button of Language to set the system language to Chinese or English.

4.4

Product Overview
This chapter introduces the appearance and dimensions, front and rear panels as wellas the user interface (display) of the DG800 Pro series by taking DG852 Pro as an
example.

4.4.1

Front Panel Overview
2

1

3

4
5
6
7

14 13

12

11

10

9

8

Figure 4.4 Front Panel
1. 7-inch Touch Screen

DG800 Pro User Guide
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Quick Start

Displays the menu labels, parameter settings, system state, prompt messages, andother information.
2. Output Mode Selection Area-

: Modulation key. Press the key to set the output mode to Modulation forthe current channel. Available modulated signals include AM, FM, PM, SUM,
ASK, FSK, PSK, and PWM signals. For details about the Modulation mode,
please refer to Modulation.

-: Sweep key. Press the key to set the output mode to Sweep for thecurrent channel. For details about the Sweep mode, please refer to Sweep.

-: Burst key. Press the key to set the output mode to Burst for the current
channel. For details about the Burst mode, please refer to Burst.

3. Basic Waveform Selection Area
: Sine key. Press the key to set the basic waveform to Sine for the current-

channel. For details about the Sine waveform, please refer to To Output Sine

Wave.
-

: Square key. Press the key to set the basic waveform to Square for thecurrent channel. For details about the Square waveform, please refer to To

Output Square Wave.
-: Pulse key. Press the key to set the basic waveform to Pulse for thecurrent channel. For details about the Pulse waveform, please refer to To Output

Pulse.
-: Ramp key. Press the key to set the basic waveform to Ramp for thecurrent channel. For details about the Ramp waveform, please refer to To

Output Ramp Wave.
-: Arb key. Press the key to set the basic waveform to Arb for the current
channel. For details about Arb, please refer to To Output Arbitrary Waveforms.

-: Noise key. Press the key to set the basic waveform to Noise for thecurrent channel. For details about the Noise, please refer to To Output Noise.

4. Parameter Input Area
The parameter input area comprises a knob, a numeric keypad, unit keys, andarrow keys. For details about the parameter input method, please refer toParameter Setting Method.
5. Quick Operation Keys

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DG800 Pro User Guide
13

Quick Start: Utility/Local key. Press the key to enter the system utility function setting
menu to set the remote interface parameters and system functions. You can also
check the instrument information. When the instrument is in remote control mode,
you can press this key to restore the instrument to local operation from remotecontrol.
: Touch Off key. Press the key to disable or enable the touch screen function.
: Save/Recall key. Press the key to open or close the Store menu.
: Default key. Press the key and a dialog box is displayed. Click or tap OK torestore the instrument to its factory defaults.
6. Manual Trigger Key
When the instrument is set to manual trigger for Sweep/Burst mode, a sweep/
burst output will be triggered manually each time you press.

7. Counter Control Area
: Counter menu key. Press the key to open the counter menu.
: Counter On/Off Key. Press the key to enable or disable the Counterfunction. When the Counter function is enabled, the backlight of the key isilluminated; when the Counter function is disabled, the backlight is off.
8. Input Connector for the Signal Measured by Counter
BNC type connector. It is used to accept the signal measured by the counter.
9. Channel Output Control Area
: CH1 selection key. Press the key to select CH1 as the current channel. You
can set the waveforms, parameters and others for CH1 with the front-panel keys
and knob. When CH1 is selected, the backlight of the key is illuminated.
: CH2 selection key. Press the key to select CH2 as the current channel. You
can set the waveforms, parameters and others for CH2 with the front-panel keys
and knob. When CH2 is selected, the backlight of the key is illuminated.
: Channel on/off key. Press the key to enable or disable the corresponding
channel output. When the channel output is enabled, the backlight of thecorresponding key is illuminated.
10. Align Key
Press
DG800 Pro User Guide14

to align phase. For details, refer to Align Phase.
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Quick Start

11. CH2 Output Connector
BNC type connector with 50 Ω nominal output impedance. When the CH2 output
is enabled, the CH2 output connector outputs the waveform in the current
configuration.
12. CH1 Output Connector
BNC type connector with 50 Ω nominal output impedance. When the CH1 output
is enabled, the CH1 output connector outputs the waveform in the current
configuration.
13. USB HOST Interface
Reads the waveform or state files stored in the USB storage device; saves thecurrent instrument states or edited waveform data into the USB, or saves thecontent displayed on the screen to the USB in the format of a captured image.
FAT32, NTFS, and exFAT formats are supported.
14. Power Key
Powers the signal generator on or off.

4.4.2

Rear Panel Overview

3

4

2

5

1

6
7

9

8
Figure 4.5 Rear Panel

1. [CH2 AUX IN/OUT]
BNC female connector. Its function is determined by the current work mode ofCH2.
- Sync output: When the Sync output of CH2 is enabled, this connector outputs
the corresponding sync signal that matches the current configuration of CH2.
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For details about the characteristics of the sync signals corresponding to various
output signals, please refer to Sync Signal Setup.
- Modulation input: when an external modulation source is selected for CH2,
this connector accepts an external modulation signal. For details about external
modulation, please refer to Modulation.
- Trigger input: when the Sweep or Burst mode is selected for CH2 and an
external trigger source is selected, this connector accepts an external signal as
the trigger signal of CH2. The polarity of the signal can be set.
- Trigger output: when the Sweep or Burst mode is selected for CH2 and thetrigger output is enabled, this connector outputs a trigger signal with a
specified edge type.
2. [CH1 AUX IN/OUT]
BNC female connector. Its function is determined by the current work mode ofCH1.
- Sync output: When the Sync output of CH1 is enabled, this connector outputs
the corresponding sync signal that matches the current configuration of CH1.
For details about the characteristics of the sync signals corresponding to various
output signals, please refer to Sync Signal Setup.
- Modulation input: when an external modulation source is selected for CH1,
this connector accepts an external modulation signal. For details about external
modulation, please refer to Modulation.
- Trigger input: when the Sweep or Burst mode is selected for CH1 and an
external trigger source is selected, this connector accepts an external signal as
the trigger signal of CH1. The polarity of the signal can be set.
- Trigger output: When the Sweep or Burst mode is selected for CH1 and thetrigger output is enabled, this connector outputs a trigger signal with a
specified edge type.
3. [10 MHz In/Out]
BNC female connector. Its function is determined by the clock type used by the
instrument.
- When internal clock source is selected, this connector (as 10 MHz Out) outputs
the 10 MHz clock signal generated by the internal crystal oscillator inside thegenerator.
- When external clock source is selected, this connector (as 10 MHz In) accepts anexternal clock signal.
This connector is usually used to synchronize multiple instruments. For clock
source settings, refer to Basic Settings.
4. LAN

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Quick Start

Connect the instrument to network via this interface. The instrument conforms to
LXI CORE 2011 DEVICE instrument standard. Its test system can be built quickly.
Then you can control the instrument by using the Web Control, sending SCPI
commands via PC software, or use the user-defined programming.
5. USB DEVICE
Connect the instrument to the PC via this interface. Then you can use the PC
software to send SCPI commands or use the user-defined programming to control
the instrument.
6. USB Type-C Power Socket
The power requirements of the instrument are USB PD, 15 V, 3 A. Please use thepower adaptor provided in the accessories to connect the instrument to the AC
power source (100 V to 240 V, 50 Hz to 60 Hz).
7. Security Lock HoleUse a standard PC/laptop lock cable to secure the instrument to a work bench orother location.
8. Ground Terminal
Connect the instrument chassis to the ground using the lead.
9. Mounting Screw Holes
Interval of screw holes: 100 mm x 100 mm. Use screws (M4*6-10) to secure theinstrument to the bracket with the same screw hole interval.

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4.4.3

User Interface Overview
2

1

3

14

13
12
11

10

9

8

7

5

6

4

Figure 4.6 User Interface
1. Wave Type Drop-down Button
Click or tap the drop-down button to select the waveform type for the specified
channel. Available waveform types are related to the current output mode.
2. Output Mode Drop-down Button
Click or tap the drop-down button to set the output mode to Continuous,
Modulation, Sweep, Burst, or Sequence for the specified channel.
3. Parameter Configuration Area
You can set the waveform parameters and channel parameters for thecorresponding channel in this area. When the counter is on, the CH2 configuration
area is used to set the counter parameters.
4. Notification Area
Displays the USB icon, LAN icon, sound icon, and remote control icon. You canclick or tap this area to open the "Utility" menu.
- USB storage device icon: When a USB storage device is detected,

will bedisplayed.
- LAN icon: When the LAN interface is successfully connected,
DG800 Pro User Guide18

is displayed.

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Quick Start- Sound icon: In the "Utility" menu, click or tap Setup > Beeper to enable ordisable the sound. When on,

will be displayed; when off,

will bedisplayed.
- Remote control icon: When the instrument is in remote control mode,

will

be displayed.
- Date and Time: When the "Show Time" is set to On, the system date and time
will be displayed.
5. Print Screen Key
Click or tap this key to capture the current screen and save the picture to internal
memory.
6. Store/Recall Key
Click or tap the key to open the storage setting menu.
7. Align Phase Key
Click or tap the key to perform the phase alignment operation. For details, pleaserefer to Align Phase.
8. Channel Copy Key
Click or tap this key to open the channel copy menu. You can copy all states andwaveforms of one channel to the other one. For details, please refer to Channel

Copy.
9. Counter Label
Displays the frequency value and period value measured by the counter. When the
counter is turned on, this label is illuminated and displays the frequency andperiod measured by the counter.
10. Channel Tab
Displays the sync on/off status and polarity for the corresponding channel. You canclick or tap this tab to switch to the channel setup interface.
11. Channel Labels
Display the channel on/off state (the "CH1"/"CH2" is illuminated or not), theselected channel (the label is highlighted or not), the impedance, and invert on/off
setting. You can click or tap the label to select the specified channel.
12. Function Navigation Icon
Click or tap the icon to open the function navigation menu in which you canaccess the specified function menu by clicking or tapping the corresponding
function key (Utility, Preset, Help, Coupling, Shut Down).
13. Waveform Tab

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Displays the selected continuous waveform type, frequency, and amplitude. You
can click or tap this tab to switch to the waveform parameter setting interface.
14. Channel Identifier
Identifies the area as CH1 ("1") or CH2 ("2") and indicates the on/off state of thechannel. You can simply click or tap the area to enable or disable thecorresponding channel output.

4.5

Touch Screen Gestures
The instrument provides a capacitive touch screen, which is convenient for you tooperate and make configurations. It features great convenience, high flexibility, andgreat sensitivity. The actions supported by the touch screen controls include tappingand dragging.

4.5.1

Tap
Use one finger to tap the symbol or characters on the screen slightly, as shown in

Figure 4.7 . With the Tap gesture, you can perform the following operations:•Tap the menu displayed on the screen to operate on the menu.

•

Tap the function navigation icon at the lower-left corner of the touch screen to
enable the function navigation.

•

Tap the displayed numeric keypad to set the parameters.

•

Tap the virtual keypad to set the filename.

•Tap the close button at the upper-right corner of the message box to close theprompt window.

•

Tap other windows on the touch screen and operate on the windows.

Figure 4.7 Tap Gesture

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4.5.2

Drag
Use one finger to select the object, and then drag the object to a destination place, as
shown in Figure 4.8 . You can drag the window controls to change the position of thewindow (e.g. numeric keypad).

Figure 4.8 Drag Gesture

4.6

Parameter Setting Method
This instrument allows you to use the front-panel parameter input area and the touch
screen to set parameters for the instrument.
NOTE
This manual mainly introduces how to set the parameters using the touch screen.

4.6.1

To Set Parameters with the Front-panel Keys and Knobs
You can use the front-panel parameter input area to set some parameters of the
instrument. The parameter input area consists of a knob, a numeric keypad, unit
selection keys, and arrow keys, as shown in the figure below.

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Knob
You can rotate the knob to move the cursor and navigate through the menu items.
Then perform the following operations:•

If the cursor selects a parameter input field, you can press the knob to enter
the parameter editing mode. Then you can use the front-panel arrow keys tomove the cursor to select the digit place to be modified. Rotate the knob
clockwise to increment the value at the selected digit place or counter-clockwise
to decrement the value. Press the knob again to confirm the parameter setting
and disable the parameter editing mode.

•

If the cursor selects a drop-down button, you can press the knob to expand
the drop-down menu and then rotate the knob to select a parameter in themenu. After that, press the knob again to confirm your selection and collapse
the drop-down menu.

•

If the cursor selects a key, on/off switch, or tab control, pressing the knob isequivalent to tapping the corresponding key, on/off switch, or tab control using
the touch screen.

Numeric Keypad
Ring-type numeric keypad composed of numeric keys (from 0 to 9) and the decimal
point/symbol key. If the current cursor selects the input field, you can press thenumeric key to input a number and press

to input ".", "-", or "+". When using thering-type numeric keypad, you can also perform the following operations:•

Press the knob to confirm the input.

•

Press

to delete characters.

•

Press

to cancel the input.

Unit Selection Keys
When setting a parameter with the ring-type numeric keypad on the front panel, you
can use the keys to select the unit of the parameter.
: sets the parameter unit to the default one. For example, when setting the•phase, press
press

•

/

>

/

>

to set the phase to 1°; when setting the frequency,
to set the frequency to 1 Hz.

: when setting the frequency, use the unit (M/k/G) before "/";

when setting time/amplitude/offset, use the unit (μ/m/n) after "/". For example,

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Quick Start

when setting the frequency, press
setting the period, press>>

to set the frequency to 1 kHz; when

to set the period to 1 ms.

TIP
When the set value exceeds the limit value, the instrument automatically adjusts the parameter
to meet the requirements.

Arrow keys•

In normal mode, you can use the keys to move the cursor to select the desired
menu item. It is equivalent to rotating the knob.

•

In parameter editing mode, you can use the keys to select the digit place to bemodified.

•

When inputting parameters using the ring-type numeric keypad,
delete the character while

is used tois used to cancel the input and close the input

field.

4.6.2

To Set Parameters with the Touch Screen
For this instrument, you can use the touch screen function to set all of its parameters.
Click or tap the parameter input field and a virtual keypad will be displayed. You can
use the pop-up keypad to complete your parameter setting. The method of using thevirtual keypad is as follows.
Input Chinese and English Characters
For naming a file, this instrument supports both Chinese and English input methods.
The following part introduces how to input Chinese and English characters with the
Chinese/English input method.
•

Input English Characters

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Quick Start

Uppercase/Lowercase
Input Area
Switchover

Input Method
Switchover

Switch to Numbers andSymbols

Virtual Keypad

Space Key

Backspace Key

Confirm Input

Figure 4.9 English Input Interface
1. Select the English input method
First check the input method type. If it shows "En/中", then go to Step 2; if itshows "中/En", click or tap the input method switchover key to switch to "En/中" (English input method).
2. Clear the name input area
If there is no character in the "Input Area", please go to the next step. If there
are characters in the "Input Area", click or tap the "Back" key to delete all thecharacters from the "Input Area" in order.
3. Input the upper-case letter
If you want to input an upper-case letter, first use the Caps key to switch
between the upper-case and lower-case modes. If the Caps key is selected,
input the upper-case letter with the virtual keypad. If not, first click or tap theCaps key to ensure it is selected, then input the upper-case letter. All the input
letters will be displayed in the "Input Area".
4. Input the lower-case letter
Refer to the operation specified in the previous step. If the Caps key is notselected, directly input the lower-case letter.
5. Input numbers or symbols
If the letter keypad is displayed, you need to click or tap the numericswitchover key to switch to the numeric keypad, and input numbers or
symbols with the numeric keypad. All the input letters will be displayed in the"Input Area".
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Quick Start

6. Modify or delete the unwanted characters that have been input
During the name input process, you can modify or delete the unwanted
character if necessary. To delete the characters that have been input, click or
tap the "Back" key in the virtual keypad. To modify the characters that havebeen input, delete the unwanted characters first and then input the new
characters.
You can directly move the cursor to the character to be modified or deleted,delete the desired character or input the new characters after deleting theunwanted character.
7. Confirm the input
After completing the input operation, click or tap "Enter".
•

Input Chinese Characters

Input Area

Chinese Character Selection Area

Figure 4.10 Chinese Input Interface
1. Select the Chinese input method
First check the input method type. If it shows "中/En", then go to Step 2; if itshows "En/中", click or tap the input method switchover key to switch to"中/En" (Chinese input method).
2. Clear the name input area
If there is no character in the "Input Area", please go to the next step. If there
are characters in the "Input Area", click or tap the "Back" key to delete all thecharacters from the "Input Area" in order.
3. Input Chinese characters
Click or tap the virtual keypad to input Pinyin into the input area, then thecharacters to be selected will be displayed in the "Chinese Character Selection
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Quick Start

Area". Slide to view more Chinese characters for you to choose. Select thedesired Chinese character, and then the selected character will be displayed in
the input area.
4. Modify or delete the unwanted characters that have been input
During the name input process, you can modify or delete the unwanted
character if necessary. To delete the characters that have been input, click or
tap the "Back" key in the virtual keypad. To modify the characters that havebeen input, delete the unwanted characters first and then input the new
characters.
5. Confirm the input
After completing the input operation, click or tap "Enter".
Input a Value
When setting or modifying a function parameter, you can input an appropriate value
with the numeric keypad.
Input Field

Unit Drop-down Button

Back Key
Clear KeyEnter Key

Unit Key

Figure 4.11 Numeric Keypad
Use the numeric keys in the numeric keypad to input a value. Then select the desired
unit, and the numeric keypad is turned off automatically. This indicates that you havecompleted the parameter setting. The unit drop-down menu includes all available
units. You can also click or tap the unit drop-down button to select the desired unit
when multiple units are available. Then click or tap "Enter" to confirm input and close
the numeric keypad.

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Quick Start

4.7

To Use the Built-in Help System
The built-in help file provides information about the functions and menu
introductions of the instrument. Click or tap> Help to enter the help system.

In the help system, you can get its help information by clicking on or tapping the link
for the specified chapter.

4.8

To View the Option Information and Install the
Option
DG800 Pro provides performance upgrade options to fulfill your measurement
requirements. If you need any of these options, please order them according to theOrder No. available in Appendix A: Options and Accessories, and then install theoptions by referring to this section. Besides, you can also view all the options of the
instrument or activate the newly purchased option.
View Options
Click or tap the navigation icon

> Utility to enter the Utility menu. Click or tap

Options to view the option installation information.
Install the option
The option license is a string of fixed characters. The license file should be in a
specific format, with the filename extension ".lic". After you purchase an option, youwill obtain a key (used for obtaining desired the option license code). Then, you can
install the option according to the following steps.
1. Obtain an option license
a. Log in to the RIGOL official website (http://www.rigol.com), click SERVICECENTRE > License Activation to enter the software license registration;b. In the software license registration interface, input the correct key, serial
number (click or tap> Utility > About to obtain the serial number of the

instrument), and verification code. Then click Generate to obtain the option
license. If you need to use the file, please download it to the USB storage
device.
2. Install the option
You can install the option in the following ways:- Open the file (*.lic) to obtain the license. Use the :SYSTem:LICense:INSTall"<License>" command to install the option.

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Quick Start- Save the license file to the USB storage device and connect the USB correctly tothe instrument (you can also save the file to the C disk). Then use the
SYSTem:LICense:INSTall:UDISk "<path>" command to install the option.
- Save the license file to the USB storage device, connect the USB correctly to the
instrument (you can also save the file to the C disk). Then click or tap Store/
Recall to open the "Store" menu. Select the license file and then click or tap
Option to install the option.
After installation, a prompt message "Option activated successfully" is displayed.
TIP•

For SCPI commands, refer to DG800 Pro/DG900 Pro Programming Guide.

•

During the installation process, you are not allowed to power off the instrument.

•

You are not allowed to modify the license filename.

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Continuous

5

Continuous
Click or tap the "Output Mode" drop-down button to select "Cont" and configure thechannel to output continuous waveform. The Continuous setting interface is as shownin the figure below.

Tabs

Waveform Preview/Selection

Figure 5.1 Continuous Setting Interface
After setting the output mode to "Cont", you can configure the selected channel tooutput the following waveforms and then view the created waveform in the waveform
preview area.
•

Sine Wave•

Square Wave•

Ramp Wave

•

Pulse

•

Noise

•

Arbitrary Waveforms•

Harmonic

The following table shows the range of the frequency for different waveforms.

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Table 5.1 Range of Continuous Waveform Frequency

5.1

Waveform

DG821 Pro

DG822 Pro

DG852 Pro

Sine

1 μHz to 25 MHz

1 μHz to 25 MHz

1 μHz to 50 MHz

Square1 μHz to 20 MHz

1 μHz to 20 MHz

1 μHz to 40 MHz

Ramp

1 μHz to 1 MHz

1 μHz to 1 MHz

1 μHz to 1 MHz

Pulse

1 μHz to 10 MHz

1 μHz to 10 MHz

1 μHz to 25 MHz

Standard Arb

1 μHz to 10 MHz

1 μHz to 10 MHz

1 μHz to 15 MHz

Harmonic

1 mHz to 10 MHz

1 mHz to 10 MHz

1 mHz to 25 MHz

To Output Sine Wave
You can configure the instrument to output sine wave in the following ways.
•

In the Continuous Setting Interface (Figure 5.1 ), click or tap the "Wave Type"drop-down button to select "Sine".

•

In the Continuous Setting Interface (Figure 5.1 ), click or tap the "Waveform
Preview/Selection" area and then select Sine in the displayed built-in waveform
selection menu.

•

Press the front-panel

key.

In the setting interface for Sine wave, you can set the following parameters to create
different sine waves as desired.
Frequency/Period
Click or tap the Freq/Period button to set the parameter to "Freq". "Freq" is now
highlighted. Click or tap its input field and use the pop-up numeric keypad to set thefrequency for sine wave. By default, the frequency for sine wave is 1 kHz, and theresolution is 1 μHz. For available ranges of the sine frequency of different models,please refer to Table 5.1 Range of Continuous Waveform Frequency . You can click or
tap the button again to toggle the parameter to "Period". Period = 1/Frequency.
Amplitude/High Level
Click or tap the Ampl/HighL button to set the parameter to "Ampl". "Ampl" is now
highlighted. Click or tap its input field and use the pop-up numeric keypad to set theamplitude for sine wave. Available units for amplitude include Vpp, Vrms, and dBm(not available in HighZ) The amplitude for sine wave is 5 Vpp by default. Available
range of amplitude is related to the "Impedance" setting.

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Continuous•

HighZ: 2 mVpp to 20 Vpp.

•

Load (50 Ω): 1 mVpp to 10 Vpp.

Click or tap the button again to toggle the parameter to "HighL". High Level = Offset+ Amplitude/2. The high level range is related to the low level setting value. That is,high level minus low level cannot exceed the current range of amplitude.
NOTE
1. How to convert the amplitude in Vpp to the corresponding value in Vrms?
Vpp is the unit for signal peak-peak value and Vrms is the unit for signal effective value. The
default unit is Vpp. When setting the amplitude with the pop-up numeric keypad, you canclick or tap the unit drop-down button to select the desired unit and then click or tap"Enter" to confirm the current amplitude unit setting. You cannot set the amplitude in dBm
or Vrms for Arb and Harmonic.
The relationship between Vpp and Vrms varies for different waveforms. Take sine wave as
an example. The relationship between the two units is as shown in the figure below.

Vamp

Vrms=0.707Vamp

Vpp=2Vamp

According to the figure above, the conversion relationship between Sine Vpp and Vrms
fulfills the following equation:

V pp = 2

2 Vrms

2. How to set the waveform amplitude in the unit of dBm?
a. Set the impedance to "Load" (refer to Impedance).
b. When setting the amplitude, click or tap the unit drop-down button to select "dBm" inthe pop-up numeric keypad.
c. Input the desired value and then click or tap "Enter" to set the waveform amplitude in
dBm.
dBm is the unit for signal power absolute value. The relationship between dBm and Vrms
fulfills the following equation:

dBm =10 lg (Vrms 2
1
×)R
0. 001W

W is the unit of the signal power. R represents the channel output impedance value whichmust be a certain value. Therefore, dBm is not available when the output impedance is set
to "HighZ".

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Offset/Low Level
Click or tap the Offset/LowL button to set the parameter to "Offset". "Offset" is now
highlighted. Click or tap its input field and use the pop-up numeric keypad to set theoffset for sine wave. The range of offset is limited by the "Impedance" and"Amplitude/High Level" setting. The default value is 0 Vdc.
Click or tap the button again to toggle the parameter to "LowL". Low Level = Offset Amplitude/2. The low level range is related to the high level setting value. That is,high level minus low level cannot exceed the current range of amplitude.
TIP
The "Ampl" and "Offset" buttons appear at the same time, so are "HighL" and "LowL" buttons.
For example, selecting "Offset" automatically toggles the "Ampl/HighL" parameter to "Ampl".

Starting Phase
Click or tap the Phase input field to set the starting phase, which ranges from -360°
to 360°. The default phase is 0°, and the resolution is 0.01°.
Channel Setup
You can also click or tap the "Channel" tab in the Continuous interface to access thechannel setup interface to configure channel output. For details, please refer toChannel Setup.
Enable the Channel Output
After setting the waveform parameters, you need to enable the channel to output
waveforms. You can enable the channel output in the following ways.
•

Click or tap the channel label at the bottom of the screen.

•

Press the front-panel•

Click or tap the channel identifier at the left side of the parameter configuration

key of the corresponding channel.

area.

5.2

To Output Square Wave
You can configure the instrument to output square wave in the following ways.
•

In the Continuous Setting Interface (Figure 5.1 ), click or tap the "Wave Type"drop-down button to select "Square".

•In the Continuous Setting Interface (Figure 5.1 ), click or tap the "Waveform
Preview/Selection" area and then select Square in the displayed built-in
waveform selection menu.

•

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Press the front-panel

key.

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Continuous

In the setting interface for Square wave, you can set the following parameters tocreate different square waves as desired.
Frequency/Period
Click or tap the Freq/Period button to set the parameter to "Freq". "Freq" is now
highlighted. Click or tap its input field and use the pop-up numeric keypad to set thefrequency for square waveform. By default, the frequency for square is 1 kHz and theresolution is 1 μHz. For available ranges of the square frequency of different models,please refer to Table 5.1 Range of Continuous Waveform Frequency . You can click or
tap the button again to toggle the parameter to "Period". Period = 1/Frequency.
Amplitude/High Level
Click or tap the Ampl/HighL button to set the parameter to "Ampl". "Ampl" is now
highlighted. Click or tap its input field and use the pop-up numeric keypad to set theamplitude for square waveform. Available units for amplitude include Vpp, Vrms, anddBm (not available in HighZ). For how to set the amplitude in Vrms or dBm, pleaserefer to To Output Sine Wave. The amplitude for square wave is 5 Vpp by default.
Available range of amplitude is related to the "Impedance" setting.
•

HighZ: 2 mVpp to 20 Vpp.

•

Load (50 Ω): 1 mVpp to 10 Vpp.

Click or tap the button again to toggle the parameter to "HighL". High Level = Offset+ Amplitude/2. The high level range is related to the low level setting value. That is,high level minus low level cannot exceed the current range of amplitude.
Offset/Low Level
Click or tap the Offset/LowL button to set the parameter to "Offset". "Offset" is now
highlighted. Click or tap its input field and use the pop-up numeric keypad to set theoffset for square waveform. The range of offset is limited by the "Impedance" and"Amplitude/High Level" setting. The default value is 0 Vdc.
Click or tap the button again to toggle the parameter to "LowL". Low Level = Offset Amplitude/2. The low level range is related to the high level setting value. That is,high level minus low level cannot exceed the current range of amplitude.
TIP
The "Ampl" and "Offset" buttons appear at the same time, so are "HighL" and "LowL" buttons.
For example, selecting "Offset" automatically toggles the "Ampl/HighL" parameter to "Ampl".

Starting Phase
Click or tap the Phase input field to set the starting phase, which ranges from -360°
to 360°. The default phase is 0°, and the resolution is 0.01°.

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Duty Cycle
Duty cycle represents the amount of time per period that the square wave is at a highlevel, as shown in the figure below. The "Duty Cycle" parameter setting only appears
when "Square" or "Pulse" is selected.
Duty Cycle=t/T*100%t

T

Click or tap the Duty Cycle input field to set the duty cycle. The available range isfrom 0.01% to 99.99% (depending on the Frequency/Period setting). By default, it is50%, and the resolution is 0.01%.
Channel Setup
You can also click or tap the "Channel" tab in Figure 5.1 interface to access thechannel setup interface to configure channel output. For details, please refer toChannel Setup.
Enable the Channel Output
Refer to Enable the Channel Output of the "To Output Sine Wave" section.

5.3

To Output Ramp Wave
You can configure the instrument to output ramp wave in the following ways.
•

In the Continuous Setting Interface (Figure 5.1 ), click or tap the "Wave Type"drop-down button to select "Ramp".

•

In the Continuous Setting Interface (Figure 5.1 ), click or tap the "Waveform
Preview/Selection" area and then select Ramp in the displayed built-in waveform
selection menu.

•

Press the front-panel

key.

In the setting interface for Ramp wave, you can set the following parameters to create
different ramp waves as desired.
Frequency/Period
Click or tap the Freq/Period button to set the parameter to "Freq". "Freq" is now
highlighted. Click or tap its input field and use the pop-up numeric keypad to set thefrequency for ramp waveform. By default, the frequency for ramp wave is 1 kHz andthe resolution is 1 μHz. For available ranges of the ramp frequency of different
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models, please refer to Table 5.1 Range of Continuous Waveform Frequency . You canclick or tap the button again to toggle the parameter to "Period". Period = 1/
Frequency.
Amplitude/High Level
Click or tap the Ampl/HighL button to set the parameter to "Ampl". "Ampl" is now
highlighted. Click or tap its input field and use the pop-up numeric keypad to set theamplitude for ramp wave. Available units for amplitude include Vpp, Vrms, and dBm(not available in HighZ). For how to set the amplitude in Vrms or dBm, please refer to

To Output Sine Wave. The amplitude for Ramp wave is 5 Vpp by default. The range of
amplitude is related to the "Impedance" setting.
•

HighZ: 2 mVpp to 20 Vpp.

•

Load (50 Ω): 1 mVpp to 10 Vpp.

Click or tap the button again to toggle the parameter to "HighL". High Level = Offset+ Amplitude/2. The high level range is related to the low level setting value. That is,high level minus low level cannot exceed the current range of amplitude.
Offset/Low Level
Click or tap the Offset/LowL button to set the parameter to "Offset". "Offset" is now
highlighted. Click or tap its input field and use the pop-up numeric keypad to set theoffset for ramp waveform. The range of offset is limited by the "Impedance" and"Amplitude/High Level" setting. The default value is 0 Vdc.
Click or tap the button again to toggle the parameter to "LowL". Low Level = Offset Amplitude/2. The low level range is related to the high level setting value. That is,high level minus low level cannot exceed the current range of amplitude.
TIP
The "Ampl" and "Offset" buttons appear at the same time, so are "HighL" and "LowL" buttons.
For example, selecting "Offset" automatically toggles the "Ampl/HighL" parameter to "Ampl".

Starting Phase
Click or tap the Phase input field to set the starting phase, which ranges from -360°
to 360°. The default phase is 0°, and the resolution is 0.01°.
Symmetry
Symmetry is defined as the percentage of the amount of time Ramp wave is rising in
the period, as shown in the figure below. It only appears when "Ramp" is selected.

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Symmetry=t/T*100%

T

Click or tap the Symmetry input field to set the symmetry, which ranges from 0% to
100%. The default value is 50%, and the resolution is 0.1%.
Channel Setup
You can also click or tap the "Channel" tab in the Continuous interface to access thechannel setup interface to configure channel output. For details, please refer toChannel Setup.
Enable the Channel Output
Refer to Enable the Channel Output of the "To Output Sine Wave" section.

5.4

To Output Pulse
You can configure the instrument to output Pulse in the following ways.
In the Continuous Setting Interface (Figure 5.1 ), click or tap the "Wave Type"•drop-down button to select "Pulse".
In the Continuous Setting Interface (Figure 5.1 ), click or tap the "Waveform•

Preview/Selection" area and then select Pulse in the displayed built-in waveform
selection menu.
•

Press the front-panel

key.

In addition to basic parameters (e.g. Frequency, Amplitude, Offset, Starting Phase,High Level, Low Level) mentioned before, you also need to set the "Pulse Width/Duty
Cycle", "Rising Edge", and "Falling Edge".
90%

90%

Pulse Width
10%

10%

Rising Edge

Falling Edge
One Cycle or Period

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Frequency/Period
Click or tap the Freq/Period button to set the parameter to "Freq". "Freq" is now
highlighted. Click or tap its input field and use the pop-up numeric keypad to set thefrequency for pulse waveform. By default, the frequency for Pulse is 1 kHz and theresolution is 1 μHz. For available ranges of the pulse frequency of different models,please refer to Table 5.1 Range of Continuous Waveform Frequency . You can click or
tap the button again to toggle the parameter to "Period". Period = 1/Frequency.
Amplitude/High Level
Click or tap the Ampl/HighL button to set the parameter to "Ampl". "Ampl" is now
highlighted. Click or tap its input field and use the pop-up numeric keypad to set theamplitude for pulse waveform. Available units for amplitude include Vpp, Vrms, anddBm (not available in HighZ). For how to set the amplitude in Vrms or dBm, pleaserefer to To Output Sine Wave. The amplitude for pulse wave is 5 Vpp by default. The
range of amplitude is related to the "Impedance" setting.
•

HighZ: 2 mVpp to 20 Vpp.

•

Load (50 Ω): 1 mVpp to 10 Vpp.

Click or tap the button again to toggle the parameter to "HighL". High Level = Offset+ Amplitude/2. The high level range is related to the low level setting value. That is,high level minus low level cannot exceed the current range of amplitude.
Offset/Low Level
Click or tap the Offset/LowL button to set the parameter to "Offset". "Offset" is now
highlighted. Click or tap its input field and use the pop-up numeric keypad to set theoffset for pulse waveform. The range of offset is limited by the "Impedance" and"Amplitude/High Level" setting. The default value is 0 Vdc.
Click or tap the button again to toggle the parameter to "LowL". Low Level = Offset Amplitude/2. The low level range is related to the high level setting value. That is,high level minus low level cannot exceed the current range of amplitude.
TIP
The "Ampl" and "Offset" buttons appear at the same time, so are "HighL" and "LowL" buttons.
For example, selecting "Offset" automatically toggles the "Ampl/HighL" parameter to "Ampl".

Starting Phase
Click or tap the Phase input field to set the starting phase, which ranges from -360°
to 360°. The default phase is 0°, and the resolution is 0.01°.
Pulse Width/Duty Cycle
Pulse width is the time from the 50% threshold of a pulse's rising edge to the 50%
threshold of the next falling edge, as shown in the figure above. The pulse duty cycle

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is defined as the percentage of the pulse width to the pulse period. Changing one ofthem automatically modifies the other.
Click or tap the Width/Duty button to set the parameter to "Width". "Width" is now
highlighted. Click or tap its input field and use the pop-up numeric keypad to set thepulse width. The available range is from 9 ns to 999 ks. The default value is 500 μs andthe resolution is 0.1 ns.
Click or tap the button to toggle the parameter to "Duty". Duty Cycle = Pulse Width/
Period. The available range is from 0.01% to 99.99%. The default value is 50% and theresolution is 0.01%.
TIP•

The pulse width must conform to the following restrictions determined by the period andthe minimum pulse width (Wmin: 9 ns): Minimum Pulse Width ≤ Pulse Width ≤ (Period Minimum Pulse Width), and Period*0.01% ≤ Pulse Width ≤ Period*99.99%.

•

The pulse duty cycle must conform to the following restrictions determined by theminimum pulse width and pulse period: (Minimum Pulse Width/Period)*100% ≤ Pulse
Duty Cycle ≤ (1 - Minimum Pulse Width/Period)*100%.

Leading/Trailing Edge
The leading (rising) edge time is the time it takes for the pulse level to go from 10%
to 90%; trailing (falling) edge time is the time it takes for the pulse level to go from
90% to 10%.
Click or tap the Leading/Trailing input field and use the pop-up numeric keypad to
set the leading edge time/trailing edge time. The leading/trailing edge time ranges
from 3 ns to 1 s. The default value is 3 ns and the resolution is 0.1 ns.
TIP
The range of the trailing edge time is limited by the current waveform frequency, pulse width,and leading edge time. The range of the leading edge time is limited by the current waveform
frequency and pulse width. When the set value exceeds the limits, the instrument will adjust
the edge time automatically.

Channel Setup
You can also click or tap the "Channel" tab in Continuous interface to access thechannel setup interface to configure channel output. For details, please refer toChannel Setup.
Enable the Channel Output
Refer to Enable the Channel Output of the "To Output Sine Wave" section.

5.5

To Output Noise
You can configure the instrument to output noise in the following ways.

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In the Continuous Setting Interface (Figure 5.1 ), click or tap the "Wave Type"drop-down button to select "Noise".

•In the Continuous Setting Interface (Figure 5.1 ), click or tap the "Waveform
Preview/Selection" area and then select Noise in the displayed built-in waveform
selection menu.

•

Press the front-panel

key.

In the setting interface for Noise, you can set the following parameters to create
different noises as desired.
Amplitude/High Level
Click or tap the Ampl/HighL button to set the parameter to "Ampl". "Ampl" is now
highlighted. Click or tap its input field and use the pop-up numeric keypad to set theamplitude for noise. Available units for amplitude include Vpp, Vrms, and dBm (notavailable in HighZ) The amplitude for noise is 4 Vpp by default. The available range isrelated to the "Impedance" setting.
•

HighZ: 2 mVpp to 4 Vpp.

•

Load (50 Ω): 1 mVpp to 2 Vpp.

Click or tap the button again to toggle the parameter to "HighL". High Level = Offset+ Amplitude/2. The high level range is related to the low level setting value. That is,high level minus low level cannot exceed the current range of amplitude.
Offset/Low Level
Click or tap the Offset/LowL button to set the parameter to "Offset". "Offset" is now
highlighted. Click or tap its input field and use the pop-up numeric keypad to set theoffset for noise. The range of offset is limited by the "Impedance" and "Amplitude/High Level" setting. The default offset is 0 Vdc.
Click or tap the button again to toggle the parameter to "LowL". Low Level = Offset Amplitude/2. The low level range is related to the high level setting value. That is,high level minus low level cannot exceed the current range of amplitude.
TIP
The "Ampl" and "Offset" buttons appear at the same time, so are "HighL" and "LowL" buttons.
For example, selecting "Offset" automatically toggles the "Ampl/HighL" parameter to "Ampl".

Channel Setup
You can also click or tap the "Channel" tab in Continuous interface to access thechannel setup interface to configure channel output. For details, please refer toChannel Setup.

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Enable the Channel Output
Refer to Enable the Channel Output of the "To Output Sine Wave" section.

5.6

To Output Arbitrary Waveforms
In the interface as shown in Figure 5.1 , click or tap the "Wave Type" drop-down
button to select "Arb". You can also press the front-panel

to access the settinginterface and create different Arb waveforms.
Arb Type
After "Arb" is selected, the Arb type is "Sinc" by default. You can click or tap the"Waveform Preview/Selection" area to select the Arb type in the displayed built-in
waveform selection menu. You click or tap Common, Engine, Seg Mod, Bioelect,
Medical, Standard, Maths, Trigonome, Anti Trigonome, and Window Function to
select your desired Arb waveform. The selected waveform type is indicated in
Function in the Arb setting interface.
Table 5.2 Built-in Waveforms
Name

Descriptions

CommonDC

DC

AbssineSine absolute value

Abssinehalf

Half-sine absolute value

AmpaltGain oscillation curve

AttaltAttenuation oscillation curve

Gausspulse

Gaussian pulse

Negramp

Negative ramp

NpulseNegative pulse

PpulsePositive pulse

SinetraSine-Tra waveform

SineverSine-Ver waveform

Stair Dn

Stair down

Stair Ud

Stair up/down

Stair Up

Stair upTrapezia

Trapezia

Engineering
Bandlimited

Band-limited signal

Blaseiwav

Time-velocity curve

Butterworth

Butterworth filter

Chebyshev1

Type I Chebyshev filter

Chebyshev2

Type II Chebyshev filter

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Name

Descriptions

CombinCombination function

Cpulse

C-Pulse signal

Cw Pulse

CW pulse signal

Damped Osc

Damped oscillation time-offset curve

Dualtone

Dual-tone signal

Gamma

Gamma signal

Gatevibr

Gate self-excited oscillating signal

Lfm Pulse

Linear frequency modulation pulse signal

Mcnoise

Mechanical noise

Nimh Discharge

Discharge curve of NiMH batteries

PahcurDC brushless motor current waveform

Quake

Earthquake wave

Radar

Radar signal

RipplePower ripple

RoundhalfRoundhalf waveform

Stepresp

Step response signal

Swing Osc

Swing oscillation kinetic energy-time
curve

TV

TV signal

Voice

Voice signal

Segment Modulation
Three Am

Sine piecewise AM waveform

Three Fm

Sine piecewise FM waveform

Three Pfm

Pulse piecewise FM waveform

Three Pm

Sine piecewise PM waveform

Three Pwm

Pulse width piecewise FM waveform

Bioelectricity
Cardiac

Cardiac signal

EogElectro-oculogram (EOG)

Eeg

Electroencephalo-graph (EEG)

Emg

Electromyography (EMG)

Pulsilogram

Pulsilogram

Resspeed

Speed curve of the respiration

MedicalLf Pulse

Low frequency pulse electrotherapy
waveform

Tens1

Transcutaneous Electric Nerve Stimulation(TENS) waveform 1

Tens2

Transcutaneous Electric Nerve Stimulation(TENS) waveform 2

Tens3

Transcutaneous Electric Nerve Stimulation(TENS) waveform 3Standard

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Name

Descriptions

Ignition

Ignition waveform of the automotive
motor

Iso16750 2 Sp

Automotive starting profile with ringing

Iso16750 2 Vr

Automotive supply voltage profile forresetting

Iso7637 2 Tp1

Automotive transients due to disconnects

Iso7637 2 Tp2a

Automotive transients due to inductancein wiring

Iso7637 2 Tp2b

Automotive transients due ignition
switching off

Iso7637 2 Tp3a

Automotive transients due to switching

Iso7637 2 Tp3b

Automotive transients due to switching

Iso7637 2 Tp4

Automotive supply profile during starting

Iso7637 2 Tp5a

Automotive transients due to battery
disconnect

Iso7637 2 Tp5b

Automotive transients due to battery
disconnect

Scr

SCR firing profile

Surge

Surge signal

Maths
Airy

Airy function

Besselj

BesselI function

Bessely

BesselII function

CauchyCauchy distribution function

Cubic

Cubic function

Dirichlet

Dirichlet function

Erf

Error function

Erfc

Complementary error function

Erfcinv

Inverted complementary error function

Erfinv

Inverted error function

Expfall

Exponential fall function

ExpriseExponential rise function

Gauss

Gaussian distribution (also known asnormal distribution)

Haversine

HaverSine function

Laguerre

Quartic Laguerre polynomial

Laplace

Laplace distribution

LegendQuintic Legendre polynomial

Log

Logarithmic function with the base of 10

Lognormal

Logarithmic normal distribution

Lorentz

Lorentz function

MaxwellMaxwell distribution

Rayleigh

Rayleigh distribution

Versiera

Versiera

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Name

Descriptions

Weibull

Weibull distribution

X2

Square function

Trigonome
Cosh

Hyperbolic cosine

CosintCosine integral

Cot

Cotangent function

Coth Con

Concave hyperbolic cotangent

Coth Pro

Protuberant hyperbolic cotangent

Csc ConConcave cosecant

Csc ProProtuberant cosecant

Csch Con

Concave hyperbolic cosecant

Csch Pro

Protuberant hyperbolic cosecant

Recip Con

Concave reciprocal

Recip Pro

Protuberant reciprocal

Sec ConConcave secant

Sec ProProtuberant secant

SechHyperbolic secant

Sinc

Sinc function

SinhHyperbolic sine

SinintIntegral sine

Sqrt

Square root

Tan

Tangent

Tanh

Hyperbolic tangent

Anti Trigonome
Acos

Arc cosine

AcoshArc hyperbolic cosine

Acot Con

Concave arc cotangent

Acot Pro

Protuberant arc cotangent

Acoth Con

Concave arc hyperbolic cotangent

Acoth Pro

Protuberant arc hyperbolic cotangent

Acsc Con

Concave arc cosecant

Acsc Pro

Protuberant arc cosecant

Acsch Con

Concave arc hyperbolic cosecant

Acsch Pro

Protuberant arc hyperbolic cosecant

Asec Con

Concave arc secant

Asec Pro

Protuberant arc secant

Asech

Arc hyperbolic secant

Asin

Arc SincAsinh

Arc hyperbolic sine

Atan

Arc tangent

Atanh

Arc hyperbolic tangent

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Name

Descriptions

Window Function
Barlett

Bartlett window

Barthannwin

Modified Bartlett window

BlackmanBlackman window

Blackman H

BlackmanH window

Bohmanwin

Bohman window

BoxcarRectangle window

Chebwin

Chebyshev window

Flattopwin

Flat-top window

Hamming

Hamming window

HanningHanning window

KaiserKaiser window

Nuttallwin

Nuttall-defined minimum 4-term
Blackman-Harris window

Parzenwin

Parzen window

Taylorwin

Taylor window

TriangTriangle window (also Fejer window)

Tukeywin

Tukey window

Set Arb Parameters
After selecting the waveform (except DC), you can set the frequency/period,
amplitude/high level, offset/low level, and phase. To set the waveform parameters
and output, please refer to To Output Sine Wave.
When the Arb type is set to DC, only offset setting is available. The range of DC offset
is related to the "Impedance" setting.

5.7•

HighZ: -10 Vdc to +10 Vdc.

•

Load (50 Ω): -5 Vdc to +5 Vdc.

To Output Harmonic
DG800 Pro can be used as a harmonic generator to output harmonics with thespecified order, amplitude, and phase. It is usually used in the test of harmonic
detector device or harmonic filter device. According to Fourier transform, time
domain waveform is the superposition of a series of sine waveforms as shown in theequation below:f ( t )  A1 sin( 2 f1t   1 ) A2 sin( 2 f2t   2 ) A3 sin( 2 f3t   3 )  ...
Generally, the component with f1 frequency is called the fundamental waveform, with

f1 as the fundamental frequency, A1 as the fundamental amplitude, and φ1 as the

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fundamental phase. The frequencies of the other components (called harmonics) are
all integral multiples of the fundamental frequency.
In the interface as shown in Figure 5.1 , click or tap the "Wave Type" drop-down
button to select "Harmonic". You can also click or tap the "Waveform Preview/
Selection" area and then select Harmonic in the displayed built-in waveform selection
menu to enter the setting interface for Harmonic, as shown in the figure below.

Harmonic Type

Figure 5.2 Harmonic Setting Interface
Fundamental Waveform Parameters
DG800 Pro allows you to set the frequency/period, amplitude/high level, offset/low
level, and starting phase for fundamental waveforms. You can refer to To Output Sine

Wave to set the above parameters. Note that Vrms and dBm are not available for theunit of the fundamental amplitude.
TIP
The max. fundamental frequency (Ffund) is limited by the harmonic order (N) and max.
harmonic frequency (Fmax): Ffund = (2 x Fmax ÷ N). Changing the harmonic order may modify
the fundamental frequency. For the max. harmonic frequency (Fmax) of different models, refer
to Table 5.1 Range of Continuous Waveform Frequency .

Harmonic TypeClick or tap the "Harmonic Type" drop-down button to select the desired type.

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Order: only outputs the basic waveform and the specified harmonic component.
For example, if the Order is set to 5, the instrument will output the basic
waveform and the 5th harmonic component.

•

Combine: outputs harmonics with multiple harmonic components.
In this mode, 20 bits binary data are used to represent the output status of the
20 orders of harmonics respectively; wherein, 1 represents enabling the outputof the corresponding harmonic and 0 represents disabling the output of thecorresponding harmonic. Click or tap the User input field and use the pop-up
virtual keypad to set the value of each data bit. Note that the leftmost bit
representing fundamental waveform is always X and can not be modified. For
example, set the 20 bits data to X001 0000 0000 0000 0001 and thenfundamental waveform as well as 4th and 20th orders of harmonics will be
output.

Order Harmonic
Click or tap the "Harmonic Type" drop-down button to select "Order" to enter thesetting menu. Click or tap the Order input field to set the order. It ranges from 2(default) to 20. After that, you can set the harmonic amplitude and phase.
•

Harmonic Amplitude: click or tap the Harm Ampl input field to set theamplitude with the pop-up virtual keypad.

•

Harmonic Phase: click or tap the Harm Phase input field to set the phase withthe pop-up virtual keypad.

Combine Harmonic
Click or tap the "Harmonic Type" drop-down button to select "Combine" to enter thesetting menu. Click or tap the User input field to set the user-defined orders ofharmonics. After that, you can click or tap the harmonic editing table to set theamplitude and phase in the pop-up menu.

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Figure 5.3 Table Editing Menu•

Harmonic Amplitude: click or tap any cell in the Amplitude column and use the
pop-up virtual keypad to set the amplitude for the harmonic with the specified
order.

•

Harmonic Phase: click or tap any cell in the Phase column and use the pop-up
virtual keypad to set the phase for the harmonic with the specified order.

TIP
You can click or tap the SN input field to set the order to locate the specified harmonic quickly.

Channel Setup
You can also click or tap the "Channel" tab in Continuous interface to access thechannel setup interface to configure channel output. For details, please refer toChannel Setup.
Enable the Channel Output
Refer to Enable the Channel Output of the "To Output Sine Wave" section.

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Modulation

6

Modulation
DG800 Pro allows you to output various modulated waveforms. Available modulation
types include AM, FM, PM, ASK, FSK, PSK, PWM, and SUM. Both internal and external
modulation sources are available for modulating waveforms.
Click or tap the "Output Mode" drop-down button to select "Mod" and access theinterface as shown in the figure below. You can click or tap one of the tabs at thebottom to access the Continuous (Carrier) Setting Interface, Modulation Setting
Interface, or Channel Setup Interface. For Continuous (Carrier) Setting Interface andChannel Setup Interface, please refer to Continuous and Channel Setup respectively.
This chapter only describes the modulation settings.

Modulation Type

Tabs
Figure 6.1 Modulation Setting Interface

6.1

Amplitude Modulation (AM)In Amplitude Modulation (AM), a modulated waveform consists of a carrier waveform
and a modulating waveform. The amplitude of the carrier waveform is varied by the
instantaneous voltage of the modulating waveform. In the "Modulation Setting

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Modulation

Interface" (Figure 6.1 ), click or tap the "Modulation Type" drop-down button to select"AM" and set its parameters.
Carrier Waveform
Available AM carrier waves include sine (default), square, ramp, and Arb (except DC).
Click or tap the "Wave Type" drop-down button or press the corresponding frontpanel waveform selection key to select the desired carrier waveform shape. Enter the
carrier setting interface and refer to Continuous to set the carrier parameters.
Modulating Waveform
The instrument accepts an internal or external signal as the modulation source. Clickor tap the Source drop-down button to select "Internal" or "External".
•

Internal Source
After "Internal" is selected, you can click or tap the Shape drop-down button to
select the modulating waveform shape. Available shapes include:
-

Sine

-

Square with 50% duty cycle-

Triangle with 50% symmetry-

UpRamp with 100% symmetry-

DnRamp with 0% symmetry-

Noise - white gaussian noise-

Arb - standard arbitrary waveform other than DC. The Arb cannot be
selected as the shape of the carrier waveform and internal modulating
waveform at the same time.

•

External Source
After "External" is selected, Shape and AM Freq are grayed out and disabled.
The instrument accepts an external modulation source applied to the rear-panel[AUX IN/OUT] connector. At this time, the amplitude of the modulated
waveform is controlled by the ±5 V signal level present on the connector.

NOTE
How to realize the intermodulation between dual channels? The following example takes theoutput signal of CH2 as the modulating waveform.
1. Connect the CH2 output terminal to the rear-panel [AUX IN/OUT] connector of CH1 using
the dual BNC cable.
2. Select CH1 and set the output mode to "Mod". Select the desired modulation type and set
the corresponding parameters. Set the Source to "External".
3. Select CH2 and set the desired shape as well as the corresponding parameters.
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Modulation

4. Turn on the CH1 and CH2 outputs.

Modulation Frequency
After the internal modulation source is selected, click or tap the AM Freq input fieldand set the modulation frequency with the pop-up numeric keypad. The available
range is from 2 mHz to 1 MHz, and the default is 100 Hz. The resolution is 1 μHz.
TIP
When an external modulation source is selected, this setting is grayed out and disabled.

Modulation Depth
Modulation depth is a percentage that represents the amplitude variation. Click or tap
the Depth input field to set the modulation depth. AM depth ranges from 0% to120%. The default is 100%, and the resolution is 0.01%.
•

At 0% depth, the amplitude is one-half of the carrier's amplitude setting.

•At 100% depth, the amplitude is identical to the carrier's amplitude setting.

•At greater than 100% depth, the output amplitude will not exceed the maximum
output amplitude .

When an external modulation source is selected, the AM modulation amplitude isalso controlled by the ±5 V signal level on the rear-panel [AUX IN/OUT] connector.
For example, if the modulation depth is set to 100%, then the output will be at the
maximum amplitude when the modulating signal is at +5 V. The output will be at theminimum amplitude when the modulating signal is at -5 V.
DSSC
DG800 Pro supports two forms of amplitude modulation, Normal and Double
Sideband Suppressed Carrier (DSSC). In "normal" AM, the modulated wave consists ofthe carrier wave and two sidebands. Such a modulation is inefficient because thecarrier wave carries no information. If this carrier is suppressed and the saved power
is distributed to the two sidebands, then such a process is called Double Sideband
Suppressed Carrier (DSSC).
By default, the "DSSC" is off. Click or tap the DSSC on/off switch to turn on or off the
DSSC function.

6.2

Frequency Modulation (FM)In Frequency Modulation (FM), a modulated waveform consists of a carrier waveform
and a modulating waveform. The frequency of the carrier waveform is varied by the
instantaneous voltage of the modulating waveform. In the "Modulation Setting
Interface" (Figure 6.1 ), click or tap the "Modulation Type" drop-down button to select"FM" and set its parameters.

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Carrier Waveform
Available FM carrier waves include sine (default), square, ramp, and Arb (except DC).
Click or tap the "Wave Type" drop-down button or press the corresponding frontpanel waveform selection key to select the desired carrier waveform shape. Enter the
carrier setting interface and refer to Continuous to set the carrier parameters.
Modulating Waveform
The instrument accepts an internal or external signal as the modulation source. Clickor tap the Source drop-down button to select "Internal" or "External".
•

Internal Source
After "Internal" is selected, you can click or tap the Shape drop-down button to
select the modulating waveform shape. Available shapes include:
-

Sine

-

Square with 50% duty cycle-

Triangle with 50% symmetry-

UpRamp with 100% symmetry-

DnRamp with 0% symmetry-

Noise - white gaussian noise-

Arb - standard arbitrary waveform other than DC. The Arb cannot be
selected as the shape of the carrier waveform and internal modulating
waveform at the same time.

•

External Source
After "External" is selected, Shape and FM Freq are grayed out and disabled. The
instrument accepts an external modulation source applied to the rear-panel[AUX IN/OUT] connector. At this time, the amplitude of the modulated
waveform is controlled by the ± 5 V signal level present on the connector.

Modulation Frequency
After the internal modulation source is selected, click or tap the FM Freq input fieldand set the modulation frequency with the pop-up numeric keypad. The available
range is from 2 mHz to 1 MHz, and the default is 100 Hz. The resolution is 1 μHz.
TIP
When an external modulation source is selected, this setting is grayed out and disabled.

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Modulation

Frequency Deviation
It represents the peak variation in frequency of the modulated waveform from thecarrier frequency. Click or tap the Freq Dev input field to set the frequency deviation.
The minimum frequency deviation is 0 Hz.
•

For FM, the frequency deviation must always be less than or equal to the carrier
frequency minus 1 μHz.

•

The frequency deviation plus the carrier frequency must be less than or equal to
the selected carrier's maximum frequency.

When an external modulation source is selected, the frequency deviation is controlled
by the ±5 V signal level on the rear-panel [AUX IN/OUT] connector. For example, if
the frequency deviation is set to 1 kHz, the +5 V signal level corresponds to a 1 kHz
increase in frequency. Lower external signal levels produce less deviation andnegative signal levels reduce the frequency below the carrier frequency.

6.3

Phase Modulation (PM)In Phase Modulation (PM), a modulated waveform consists of a carrier waveform anda modulating waveform. The phase of the carrier waveform is varied by the
instantaneous voltage of the modulating waveform. In the "Modulation Setting
Interface" (Figure 6.1 ), click or tap the "Modulation Type" drop-down button to select"PM" and set its parameters.
Carrier Waveform
Available PM carrier waves include sine (default), square, ramp, and Arb (except DC).
Click or tap the "Wave Type" drop-down button or press the corresponding frontpanel waveform selection key to select the desired carrier waveform shape and accessthe setup interface. To configure different carrier waveforms, please refer toContinuous.
Modulating Waveform
The instrument accepts an internal or external signal as the modulation source. Clickor tap the Source drop-down button to select "Internal" or "External".
•

Internal Source
After "Internal" is selected, you can click or tap the Shape drop-down button to
select the modulating waveform shape. Available shapes include:

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-

Sine

-

Square with 50% duty cycle-

Triangle with 50% symmetry-

UpRamp with 100% symmetry
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Modulation-

DnRamp with 0% symmetry-

Noise - white gaussian noise-

Arb - standard arbitrary waveform other than DC. The Arb cannot be
selected as the shape of the carrier waveform and internal modulating
waveform at the same time.

•

External Source
After "External" is selected, Shape and PM Freq are grayed out and disabled.
The instrument accepts an external modulation source applied to the rear-panel[AUX IN/OUT] connector. At this time, the amplitude of the modulated
waveform is controlled by the ±5 V signal level present on the connector.

Modulation Frequency
After the internal modulation source is selected, click or tap the PM Freq input fieldand set the modulation frequency with the pop-up numeric keypad. The available
range is from 2 mHz to 1 MHz, and the default is 100 Hz. The resolution is 1 μHz.
TIP
When an external modulation source is selected, this setting is grayed out and disabled.

Phase Deviation
The phase deviation represents the peak variation in phase of the modulated
waveform from the carrier waveform. Click or tap the PM Dev input field to set thephase deviation. It ranges from 0° to 360°, and the default is 90°. The resolution is
0.01°.
When an external modulation source is selected, the phase deviation is controlled by
the ±5 V signal level on the rear-panel [AUX IN/OUT] connector. For example, if thephase deviation is set to 180º, the +5 V signal level corresponds to a 180º phase shift.
Lower external signal levels produce less deviation.

6.4

Amplitude Shift Keying (ASK)
With Amplitude Shift Keying (ASK), you can configure the instrument to "shift" its
output amplitude between two preset values (called the "carrier amplitude" andthe"modulation amplitude"). In the "Modulation Setting Interface" (Figure 6.1 ), clickor tap the "Modulation Type" drop-down button to select "ASK" and set its
parameters.
Carrier Waveform
Available ASK carrier waves include sine (default), square, ramp, and Arb (except DC).
Click or tap the "Wave Type" drop-down button or press the corresponding frontpanel waveform selection key to select the desired carrier waveform shape.

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Modulation

In the Carrier (Continuous) interface, click or tap the Ampl/HighL button to set theparameter to "Ampl". Click or tap its input field and use the pop-up numeric keypad
to set the carrier amplitude. For carrier amplitude setting methods and available
range, please refer to Continuous.
Modulation Source
The instrument accepts an internal or external signal as the modulation source. Clickor tap the Source drop-down button to select "Internal" or "External".
•

Internal Source
When "Internal" is selected, the instrument uses a square wave with 50% duty
cycle as the ASK modulation source. At this time, the output amplitude "shifts"
between "carrier amplitude" and "modulation amplitude". The shift rate isdetermined by "ASK Rate".

•

External Source
When "External" is selected, the generator receives the external modulating
signal from the rear-panel [AUX IN/OUT] connector.

ASK Rate
ASK rate is the rate at which the output amplitude "shifts" between the carrier
amplitude and modulation amplitude when an internal modulation source is used.
Click or tap the ASK Rate input field and use the pop-up numeric keypad to set therate. The available range is from 2 mHz to 1 MHz, and the default is 100 Hz. The
resolution is 1 μHz.
TIP
When the external modulation source is selected, this setting is grayed out and disabled.

Modulation Amplitude
Click or tap the ASK Ampl input field and use the pop-up numeric keypad to set themodulation amplitude. The available range of modulation amplitude is consistent
with the range of basic waveform amplitude and the default is 2 Vpp.
Polarity
Click or tap the Polarity drop-down button to select "Positive" or "Negative" tocontrol the amplitude output. The default is "Positive".
•

Positive: when the internal/external modulation signal is a logic low level, thecarrier amplitude is output; when the signal is a logic high level, the modulation
amplitude is output.

•

Negative: when the internal/external modulation signal is a logic low level, themodulation amplitude is output; when the signal is a logic high level, the carrier
amplitude is output.

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Modulation

6.5

Frequency Shift Keying (FSK)With Frequency Shift Keying (FSK), you can configure the instrument to "shift" its
output frequency between two preset values (called the "carrier frequency" andthe"hop frequency”). In the "Modulation Setting Interface" (Figure 6.1 ), click or tap
the "Modulation Type" drop-down button to select "FSK" and set its parameters.
Carrier Waveform
Available FSK carrier waves include sine (default), square, ramp, and Arb (except DC).
Click or tap the "Wave Type" drop-down button or press the corresponding frontpanel waveform selection key to select the desired carrier waveform shape.
In the Carrier (Continuous) interface, click or tap the Freq/Period button to set theparameter to "Freq". Click or tap its input field and use the pop-up numeric keypad to
set the carrier frequency. The frequency range varies for different carrier waveforms.
For details, refer to Continuous.
Modulation Source
The instrument accepts an internal or external signal as the modulation source. Clickor tap the Source drop-down button to select "Internal" or "External".
•

Internal Source
When "Internal" is selected, the instrument uses a square wave with 50% duty
cycle as the FSK modulation source. At this time, the output frequency "shifts"
between "carrier frequency" and "hop frequency". The shift rate is determined by“FSK Rate”.

•

External Source
When "External" is selected, the generator receives the external modulating
signal from the rear-panel [AUX IN/OUT] connector.

FSK Rate
FSK rate is the rate at which the output frequency "shifts" between the carrier
frequency and the hop frequency when an internal modulation source is used. Clickor tap the FSK Rate input field and use the pop-up numeric keypad to set the rate.
The available range is from 2 mHz to 1 MHz, and the default is 100 Hz.
TIP
When the external modulation source is selected, this setting is grayed out and disabled.

Hop Frequency
Click or tap the Hop Freq input field and use the pop-up numeric keypad to set the
hop frequency. The range of hop frequency is related to the instrument model andwave type. For details, refer to Table 5.1 Range of Continuous Waveform Frequency .
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Modulation

Polarity
Click or tap the Polarity drop-down button to select "Positive" or "Negative" tocontrol the frequency output. The default is "Positive".
•

Positive: when the internal/external modulation signal is a logic low level, thecarrier frequency is output; when the signal is a logic high level, the hop
frequency is output.

•

Negative: when the internal/external modulation signal is a logic low level, thehop frequency is output; when the signal is a logic high level, the carrier
frequency is output.

6.6

Phase Shift Keying (PSK)In Phase Shift Keying (PSK), you can configure the instrument to "shift" its output
phase between two preset phase settings ("carrier phase" and "modulation phase"). In
the "Modulation Setting Interface" (Figure 6.1 ), click or tap the "Modulation Type"drop-down button to select "PSK" and set its parameters.
Carrier Waveform
Available PSK carrier waves include sine (default), square, ramp, and Arb (except DC).
Click or tap the "Wave Type" drop-down button or press the corresponding frontpanel waveform selection key to select the desired carrier waveform shape.
In the Carrier (Continuous) interface, click or tap the "Phase" input field and use the
pop-up numeric keypad to set the starting phase. It ranges from -360° to 360°, andthe default is 0°. The resolution is 0.01°.
Modulation Source
The instrument accepts an internal or external signal as the modulation source. Clickor tap the Source drop-down button to select "Internal" or "External".
•

Internal Source
When "Internal" is selected, the instrument uses a square wave with 50% duty
cycle as the PSK modulation source. At this time, the output phase "shifts"
between "carrier phase" and "modulation phase". The shift rate is determined by"PSK Rate".

•

External Source
When "External" is selected, the generator receives the external modulating
signal from the rear-panel [AUX IN/OUT] connector.

PSK Rate
PSK rate is the rate at which the output phase "shifts" between the carrier phase andmodulation phase when an internal modulation source is used. Click or tap the PSK

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Modulation

Rate input field and use the pop-up numeric keypad to set the rate. The available
range is from 2 mHz to 1 MHz, and the default is 100 Hz. The resolution is 1 μHz.
TIP
When the external modulation source is selected, this setting is grayed out and disabled.

Modulation Phase
Click or tap the Phase input field and use the pop-up numeric keypad to set themodulation phase. It ranges from 0° to 360°, and the default is 180°. The resolution is
0.01°.
Polarity
Click or tap the Polarity drop-down button to select "Positive" or "Negative" tocontrol the phase output. The default is "Positive".
•

Positive: when the internal/external modulation signal is a logic low level, thecarrier phase is output; when the signal is a logic high level, the modulation
phase is output.

•

Negative: when the internal/external modulation signal is a logic low level, themodulation phase is output; when the signal is a logic high level, the carrier
phase is output.

6.7

Pulse Width Modulation (PWM)
For Pulse Width Modulation (PWM), the pulse width of the output signal is varied by
the instantaneous voltage of the modulating waveform. The amount by which thepulse width varies is called the width deviation.
TIP
To select the PWM function, first click or tap the "Wave Type" drop-down button to select"Pulse" and then set the "Output Mode" to "Mod". The modulation type will be set to "PWM"
automatically. Refer to the following section to set the other modulation parameters.

Carrier Waveform
PWM is only available for the Pulse waveform. Click or tap the "Wave Type" dropdown button to select "Pulse" or press the front-panel

key to set the carrier

waveform to Pulse.
For pulse width/duty cycle setting, refer to To Output Pulse.
Modulation Source
The instrument accepts an internal or external signal as the modulation source. Clickor tap the Source drop-down button to select "Internal" or "External".
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Modulation•

Internal Source
After "Internal" is selected, you can click or tap the Shape drop-down button to
select the modulating waveform shape. Available shapes include:

•

-

Sine

-

Square with 50% duty cycle-

Triangle with 50% symmetry-

UpRamp with 100% symmetry-

DnRamp with 0% symmetry-

Noise - white gaussian noise-

Arb - standard arbitrary waveform other than DC

External Source
After "External" is selected, Shape and PWM Freq are grayed out and disabled.
The instrument accepts an external modulation source applied to the rear-panel[AUX IN/OUT] connector. At this time, the amplitude of the modulated
waveform is controlled by the ±5 V signal level present on the connector.

Modulation Frequency
After the internal modulation source is selected, click or tap the PWM Freq input fieldand set the modulation frequency with the pop-up numeric keypad. The available
range is from 2 mHz to 1 MHz, and the default is 100 Hz.
TIP
When an external modulation source is selected, this setting is disabled.

Width/Duty Cycle Deviation
PWM deviation represents the variation of the modulated waveform pulse width
relative to the original pulse width. You can use time (width deviation) or duty cycle(duty cycle deviation) to set the PWM deviation. This setting is subject to the Pulse

Width/Duty Cycle setting in Carrier (Pulse) setting. For example, if "Width" is selected
for Pulse Width/Duty Cycle of the Pulse setting, then the PWM deviation setting is
automatically set to "Width Dev".
•

Width Deviation
Width deviation represents the amount by which the pulse width of themodulated waveform varies from the original pulse width. The unit is s. For
example, if you specify a pulse width as 10 s and width deviation as 5 s, thepulse width of the modulated waveform varies from 5 s to 15 s under the controlof the modulating signal.

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Modulation

Click or tap the Duty Dev/Width Dev button to set the parameter to "Width
Dev". "Width Dev" is now highlighted. Click or tap its input field to set the width
deviation. The range of the width deviation is limited by the pulse width, pulse
period, and leading/trailing edge of the pulse waveform:-

Width Deviation ≤ Pulse Width - 5.25 ns -(Leading Edge Time + Trailing
Edge Time)/1.6.

-

Width Deviation ≤ Pulse Period - Pulse Width - 5.25 ns-(Leading Edge Time+ Trailing Edge Time)/1.6.

•

Duty Cycle Deviation
Duty cycle deviation represents the amount by which the pulse width of themodulated waveform varies from the original pulse width. The unit is thepercentage of the waveform period. For example, if you specify a pulse duty
cycle as 10% and duty cycle deviation as 5%, the duty cycle of the modulated
waveform varies from 5% to 15% under the control of the modulating signal.
Click or tap the Duty Dev/Width Dev button to set the parameter to "DutyDev". "Duty Dev" is now highlighted. Click or tap its input field to set the duty
cycle deviation. The duty cycle deviation ranges from 0% to 49.99%, and islimited by the pulse duty cycle and period limits.

When an external modulation source is selected, the width deviation (or duty cycle
deviation) is controlled by the ±5 V signal level on the rear-panel [AUX IN/OUT]
connector. For example, if the width deviation is set to 10 s, the +5 V signal level
corresponds to a 10 s deviation.

6.8

SUM Modulation
When the waveform summing function is enabled, you can add a specified waveformto the current basic/Arb waveform. In the "Modulation Setting Interface" (Figure 6.1 ),click or tap the "Modulation Type" drop-down button to select "SUM" and set its
parameters.
Carrier Waveform
Available carrier waves include sine (default), square, ramp, and Arb (except DC). Clickor tap the "Wave Type" drop-down button or press the corresponding front-panel
waveform selection key to select the desired carrier waveform shape. Enter the carrier
setting interface and refer to Continuous to set the carrier parameters.
Sum Source
Click or tap the Waveform drop-down button to select the waveform to be added tothe current waveform. Available waveform shapes include:•

Sine

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Modulation•

Square with 50% duty cycle•

Ramp with 50% symmetry•

Noise - white gaussian noise•

Arb - standard arbitrary waveform other than DC•

CH1/CH2: the waveform from the other channel

Sum Frequency
It sets the frequency of the waveform to be added to the current continuous
waveform. Click or tap the SUM Freq input field and use the pop-up virtual keypad to
set the frequency. The range of the Sum frequency is from 2 mHz to 1 MHz.
Sum Ratio
It sets the ratio of the amplitude of the waveform to be added relative to theamplitude of the current waveform. Click or tap the SUM Ratio input field and use
the pop-up virtual keypad to set the ratio. The default value is 50%. The available
range is limited by the current carrier amplitude and max. amplitude.

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Sweep7

Sweep
In frequency sweep mode, the instrument moves from the start frequency to the stopfrequency within a specified sweep time. You can sweep up or down in frequency,with linear, logarithmic, or step sweep types. It allows you to set the "Mark"frequency, start/stop hold time, and return time. It provides trigger sources includinginternal, external, and manual sources. You can sweep sine, square, ramp, and Arb(except DC).
Click or tap the "Output Mode" drop-down button to select "Sweep" and access theinterface as shown in the figure below. You can click or tap one of the tabs at thebottom to access the Continuous Setting Interface, Sweep Setting Interface, orChannel Setup Interface. For Continuous Setting Interface and Channel Setup
Interface, please refer to Continuous and Channel Setup respectively. This chapter
only describes the sweep settings.
Sweep Type Manual Trigger Key

Tabs

Figure 7.1 Sweep Setting Interface

7.1

Sweep Type
DG800 Pro provides three sweep types: Linear, Log, and Step. The default is Linear.
Click or tap the "Sweep Type" drop-down button to can select "Linear", "Log", or"Step".

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SweepLinear Sweep
The instrument varies the output frequency linearly during the sweep, changing theoutput frequency by a constant number of Hz per second. It is characterized by "Start
Frequency", "Stop Frequency", and "Sweep Time".

Figure 7.2 Linear Sweep
Logarithmic Sweep
The instrument varies the output frequency logarithmically during the sweep,changing the frequency by a constant number of octaves. It is characterized by "Start
Frequency", "Stop Frequency", and "Sweep Time".
Define the start frequency, stop frequency, sweep time as Fstart, Fstop, and Tsweep. The
function of logarithmic sweep is F = PT; wherein, P and T can be expressed in thefollowing equations:
P = 10lg(Fstop /Fstart )/Tsweep

T = t + lg(Fstart )/lg(P)In the equations above, t is the duration time after the sweep starts, ranging from 0
to Tsweep; F is the current instantaneous frequency.

Figure 7.3 Logarithmic Sweep

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Sweep

Step Sweep
The instrument "steps" through a list of frequencies during the sweep. The period thatthe output signal dwells on each frequency is determined by "Sweep Time" and "Step
Number".
When the sweep type is set to "Step", click or tap the Step Num input field to set the
number of steps. It ranges from 2 (default) to 1024.

Figure 7.4 Step Sweep

7.2

Start Frequency and Stop Frequency
The start frequency and stop frequency set the sweep's upper and lower frequency
bounds. The sweep begins at the start frequency, sweeps to the stop frequency, andthen resets back to the start frequency.
•

To sweep up in frequency, set the start frequency less than the stop frequency.

•

To sweep down in frequency, set the opposite relationship.

•

To sweep in a fixed frequency, set the same start frequency and stop frequency.

After enabling the sweep mode, click or tap the Start/Center button to set theparameter to "Start". "Start" is now highlighted. This operation also toggles theparameter of the Stop/Span button to "Stop". Click or tap the corresponding input
field and use the pop-up numeric keypad to set the start frequency and stopfrequency. By default, the start frequency is 100 Hz and the stop frequency is 1 kHz.
The range of start/stop frequency is related to the instrument model and wave type.
For details, refer to Table 5.1 Range of Continuous Waveform Frequency .
After the start/stop frequency is modified, the instrument will sweep from thespecified start frequency again.

7.3

Center Frequency and Frequency Span
You can also set the sweep frequency boundaries of the sweep using a center
frequency and frequency span.

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Sweep•Center Frequency = (Start Frequency + Stop Frequency)/2•

Frequency Span = Stop Frequency - Start Frequency

After enabling the sweep mode, click or tap the Start/Center button to set theparameter to "Center". "Center" is now highlighted. This operation also toggles theparameter of the Stop/Span button to "Span". Click or tap the corresponding input
field and use the pop-up numeric keypad to set the center frequency or frequency
span. By default, the center frequency is 550 Hz and the frequency span is 900 Hz. The
ranges of center frequency and frequency span vary for different waveforms. Also,
they are limited to each other.
The range of frequency span is affected by the center frequency. Define the upper
limit of the start/stop frequency as Fmax and the lower limit of the start/stopfrequency as Fmin (Table 5.1 Range of Continuous Waveform Frequency ). Fm = (Fmax -Fmin)/2.
•

When Center Frequency ≤ Fm, the Frequency Span is ±2 x (Center Frequency -Fmin).
•

When Center Frequency > Fm, the Frequency Span is ±2 x (Fmax - Center
Frequency).

Take sine wave as an example. Fmin is 1 μHz, Fmax is 50 MHz, and Fm is 25 MHz. If thecenter frequency is 5 MHz, the frequency span range is ±2 x (5 MHz - 1 μHz) = ±10MHz; if the center frequency is 30 MHz, the frequency span range is ±2 x (50 MHz 30 MHz) = ±40 MHz.
TIP
To sweep up in frequency, set a positive frequency span; to sweep down, set a negative
frequency span.

7.4

Sweep Time
Sweep time specifies the time required to sweep from the start frequency to the stopfrequency.
Click or tap the Sweep input field and use the pop-up numeric keypad to set thesweep time. The default sweep time is 1 s and the resolution is 1 ms. The sweep time
ranges from 1 ms to 250,000 s. The sweep time is related to the sweep type, trigger
source, start hold time, return time, and stop hold time. TP = Sweep Time + Start HoldTime + Return Time + Stop Hold Time:•

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Linear Sweep:-

Internal trigger: TP + 1 ms ≤ 8,000 s-

Manual trigger/external trigger: TP ≤ 250,000 s
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Sweep•Log Sweep/Step Sweep: TP ≤ 500 s

After the sweep time is modified, the instrument will sweep from the specified "Start
Frequency" again.

7.5

Start/Stop Hold Time
Start hold time specifies the time for the sweep to remain at the "Start Frequency".
After the start hold time expires, the generator continues to sweep at varied
frequencies according to the current sweep type.
Stop hold time specifies the time for the sweep to remain at the "Stop Frequency"
after the generator sweeps from the "Start Frequency" to the "Stop Frequency".
You can click or tap the Start/Stop input field and use the pop-up numeric keypad to
set the start/stop hold time. The default start/stop hold time is 0 s and the resolution
is 1 ms. The time ranges from 0 s to 3600 s and is related to the sweep type, trigger
source, return time, and sweep time. TP = Sweep Time + Start Hold Time + Return
Time + Stop Hold Time:••Linear Sweep:-

Internal trigger: TP + 1 ms ≤ 8,000 s-

Manual trigger/external trigger: TP ≤ 250,000 s

Log Sweep/Step Sweep: TP ≤ 500 s

After the start/stop hold time is modified, the instrument will sweep from thespecified start frequency again.

7.6

Return Time
Return time specifies the time to return from the "Stop Frequency" to the "Start
Frequency".
Click or tap the Return input field and use the pop-up numeric keypad to set thereturn time. The default return time is 0 s and the resolution is 1 ms. The time ranges
from 0 s to 3600 s and is related to the sweep type, trigger source, start hold time,stop hold time, and sweep time. TP = Sweep Time + Start Hold Time + Return Time +Stop Hold Time:••Linear Sweep:-

Internal trigger: TP + 1 ms ≤ 8,000 s-

Manual trigger/external trigger: TP ≤ 250,000 s

Log Sweep/Step Sweep: TP ≤ 500 s

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SweepAfter the return time is modified, the instrument will sweep from the specified "Start
Frequency" again.

7.7

Sweep Trigger Source
The sweep trigger source can be internal trigger, external leading edge, external
trailing edge, or manual trigger. The instrument outputs a single sweep when atrigger signal is received and waits for the next trigger. Click or tap the Source dropdown button and select the trigger source. The default is "Internal".
•

Internal: The instrument outputs a continuous sweep. The trigger period isdetermined by the specified sweep time, return time, start hold time, and stop
hold time.

•

Ext Leading: The instrument receives the trigger signal from the rear-panel [AUX
IN/OUT] connector. A sweep is generated each time a TTL pulse with leadingedge is received.

•

Ext Trailing: The instrument receives the trigger signal from the rear-panel [AUX
IN/OUT] connector. A sweep is generated each time a TTL pulse with trailingedge is received.

•

Manual: When "Manual" is selected, click or tap the manual trigger key
press the front-panelor

key to initiate a sweep output immediately.

TIP
When "Internal" or "Manual" is selected, the generator outputs a TTL-compatible signal withthe specified edge via the rear-panel [AUX IN/OUT] connector. Please refer to Trigger Output

Setup.

7.8

Mark Frequency
For frequency sweeps, the sync signal outputs a high level at the beginning of thesweep. If you disable the "Mark" function, the sync signal goes low at the end of thesweep. If you enable the "Mark" function, the sync signal goes low at the specified
marker frequency.
After enabling the Sweep function, click or tap the Channel tab at the bottom to enter
the Channel Setup Interface. Click or tap the Mark on/off switch to enable or disable
the function. When it is enabled, you can click or tap the Mark Freq input field to set
the mark frequency. Mark frequency is limited by the sweep "Start Frequency" and"Stop Frequency".
NOTE
For step sweep (the sweep points determined by the start frequency, stop frequency, and step
number respectively are f1, f2,……, fn, fn+1……), if the mark frequency setting is one of the

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Sweepsweep point values, the sync signal is a TTL high level at the beginning of the sweep and a low
level at the mark frequency. If the mark frequency is not equal to any of the sweep points
values, the sync signal becomes a low level at the sweep point which is closest to this markfrequency (sweep up/down). Take sweeping down as an example. If the mark frequency is set
to 1 MHz and the sweep points are 0.99 MHz and 1.01 MHz, then 0.99 MHz will be selected as
the mark frequency to be applied to the digital system.

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Burst8

Burst
DG800 Pro can output a waveform for a specified number of cycles, called a burst.
You can use Sine, Square, Ramp, Arb (except DC), and Noise (only available for"Gated" Burst) to generate burst waveforms.
Click or tap the "Output Mode" drop-down button to select "Burst" to enter the Burst
Setting Interface, as shown in the figure below. You can click or tap one of the tabs atthe bottom to enter the Continuous Setting Interface, Burst Setting Interface, orChannel Setup Interface. For Continuous Setting Interface and Channel Setup
Interface, please refer to Continuous and Channel Setup respectively. This chapter
only describes the burst settings.
TIP
The Burst mode cannot be enabled when the fundamental frequency is less than or equal to
125 μHz.

Burst Type

Tabs
Figure 8.1 Burst Setting Interface

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Burst8.1

Burst Type
DG800 Pro can output two types of bursts: N-Cycle Burst (default) and Gated Burst. In
the Burst Setting Interface (Figure 8.1 ), click or tap the "Burst Type" drop-down
button to select "NCycle" or "Gated". The table below illustrates the trigger sources
and waveform parameters available for the two burst types.
Burst Type

Trigger Source
User-

Internal/External/

defined Manual Trigger
N-CycleBurst
Infinite

Gated Burst

External/Manual
Trigger
External Trigger

Burst Parameters
Delay, Burst Period, Source, Trigger Output(only available for manual trigger andinternal trigger), Phase, Cycles, Idle Level
Delay, Source, Trigger Output (onlyavailable for manual trigger), Phase,
Cycles, Idle Level
Starting Phase, Polarity, Idle Level

N-Cycle Burst
In N-Cycle Burst mode, the instrument outputs a waveform for a specified number ofcycles (burst count) each time trigger is received. You can also set the burst count to"Infinite". Available waveform functions for N-Cycle burst include Sine, Square, Ramp,
and Arb (except DC). Click or tap the Cycles drop-down button to set the burst count.
•

Infinite: Infinite Burst sets the burst count to "infinite". The instrument outputs acontinuous waveform when a trigger signal is received.

•

User: Click or tap the Cycles input field and use the pop-up numeric keypad to
set the burst count. It ranges from 1 (default) to 1 M. If you change the burst
count, the instrument automatically increases the burst period to accommodate
the burst count (but the waveform frequency will not be changed).

Gated Burst
In Gated Burst mode, the generator controls the waveform output based on theexternal signal level from the rear-panel [AUX IN/OUT] connector. Available
waveform functions for Gated burst include Sine, Square, Ramp, Noise, and Arb(except DC). When the gate signal is "true", the instrument outputs a continuous
waveform. When the gate signal is "false", the instrument first stops the current
waveform output and remains at the voltage level corresponding to the "Idle Level"setting.

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Burst8.2

Burst Delay
Burst delay, which is only available for N-Cycle Burst mode, is the duration from thetime when the instrument receives the trigger signal to the time when it starts to
output the burst signal.
Click or tap the Delay input field and use the pop-up numeric keypad to set the delay.
The default delay is 0 s and the resolution is 0.1 ns. The range of burst delay is related
to the trigger source:•

Manual/external trigger: 0 s to 20 s.

•

Internal trigger: 0 s to (Tburst - ⌈Twave x Ncycle ÷ 6.4 ns⌉ x 6.4 ns - 4 μs)[1], and lessthan or equal to 20 s.
-

Tburst: burst period-

Twaveform: period of basic waveform (e.g. Sine and Square)-

Ncycles: burst countNOTE[1]: ⌈x⌉ indicates that x is rounded up.

8.3

Burst Phase
In Burst mode, the fundamental phase is no longer in effect. The phase characteristics
are determined by the burst phase. When the burst type is set to "NCycle", click or
tap the Phase input field to set the burst phase. When the burst type is set to"Gated", click or tap the Start Phase input field to set the phase. It ranges from -360°
to 360°, and the default is 0°. The resolution is 0.01°.
•

For Sine, Square, and Ramp, 0° is the point at which the waveform crosses 0 V(or DC offset) in a positive-going direction.

•

Burst phase setting is not available for noise.

•

For arbitrary waveforms, 0° is the first waveform point.

TIP
In Burst mode, the fundamental phase is fixed to 0° and cannot be modified.

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Burst8.4

Burst Period
Burst period is only available for internally triggered N-Cycle burst mode (userdefined burst count). Burst period is defined as the time from the start of a burst to
the time when the next burst starts.
Click or tap the Burst Period input field and use the pop-up numeric keypad to set
the period. It ranges from 4 μs to 8 ks and the default is 10 ms. The resolution is 0.1
ns.
•

Burst Period ≥ ⌈(Burst Count x Waveform Period) ÷ 6.4 ns⌉ x 6.4 ns + 4 μs[1]•

If the burst period is too short, the generator will increase it automatically toallow the output of the specified number of cycles.

NOTE[1]: ⌈x⌉ indicates that x is rounded up.

8.5

Burst Trigger Source
Available trigger sources for bursts include internal trigger, external leading edge,
external trailing edge, and manual trigger. Click or tap the Source drop-down buttonand select the trigger source. The default is "Internal".
•

Internal: Internal trigger is only available for N-Cycle Burst with user-defined
burst count. When internal trigger is selected, the instrument outputs a burst of
the specified cycles. The rate at which the burst is generated is determined by

Burst Period. After completing the specified number of cycles, the instrument
outputs the idle level and waits for the next trigger event.
•

Ext Leading: When external leading edge is selected, the instrument receives thetrigger signal from the rear-panel [AUX IN/OUT] connector. A burst is generated
each time a TTL pulse with leading edge is received.

•

Ext Trailing: When external trailing edge is selected, the instrument receives thetrigger signal from the rear-panel [AUX IN/OUT] connector. A burst is generated
each time a TTL pulse with trailing edge is received.

•

Manual: Manual trigger is only available for N-Cycle Burst mode. When manualtrigger is selected, click or tap the manual trigger key
or press the front-panelin Figure 8.1 interface

key to initiate a burst output immediately. If theoutput of the corresponding channel is not enabled, the trigger will be ignored.

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BurstTIP
When "Internal" or "Manual" is selected, the generator outputs a TTL-compatible signal withthe specified edge via the rear-panel [AUX IN/OUT] connector. Please refer to Trigger Output

Setup.

8.6

Gate Polarity
Gate polarity is only available for Gated Burst mode. It enables the instrument to
output burst signals at a high level or low level. The gate signal is applied to the rearpanel [AUX IN/OUX] connector.
In the Burst Setting Interface, click or tap the "Burst Type" drop-down button to select"Gated" and enter the Gated Burst Setting Interface. Click or tap the Polarity dropdown button to select "Positive" or "Negative". The default is "Positive".
•

Positive: When the gate signal is a high level, the instrument outputs acontinuous waveform. When the gate signal is a low level, the instrument firstcompletes the waveform output of the current period and remains at the voltage
level set in the "Idle Level".

•

Negative: When the gate signal is a low level, the instrument outputs acontinuous waveform. When the gate signal is a high level, the instrument stops
the current output and remains at the voltage level set in the "Idle Level".

8.7

Idle Level
In Burst mode, the output will not be turned off when there is no burst output but willremain at a specified voltage level, which is called the idle level. In N-Cycle Burstmode, the generator outputs a carrier waveform with a specified number of cycles
and then continues to output the idle level until a burst period is complete, as shownin the figure below. In Burst mode, the instrument will output the idle level when thegate signal is "false".
Burst Period

Idle Level

Carrier Period*Burst Count

After enabling the Burst function, in Burst Setting Interface (Figure 8.1 ), click or tap
the Idle Level drop-down button to select the idle level.
•
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1st Pt: Selects the level at the first point of the carrier waveform as the idle level.
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Burst•Top: Selects the level at the top point of the carrier waveform as the idle level.

•

Center: Selects the level at the center point of the carrier waveform as the idle
level.

•

Bottom: Selects the level at the bottom point of the carrier waveform as the idle
level.

•

User: Selects the specified level as the idle level. When "User" is selected, click or
tap the Idle Level input field and use the pop-up numeric keypad to set the idle
level. It ranges from 0 to 65,535, and the default is 0.

TIP
When the noise is the carrier waveform, the idle level is fixed to 32768 and cannot be
modified.

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Sequence

9

Sequence
A sequence is a combination of multiple individual waveforms in order. In Sequencemode, you can self-define the sequence and save the edited sequence to internal
memory or external storage device (*.seq format).
Click or tap the "Output Mode" drop-down button to select "Seq" to enter the
Sequence Setting Interface, as shown in the figure below. You can click to tap one of
the tabs at the bottom to access the Sequence Setting Interface or Channel Setup
Interface. For Channel Setup Interface, please refer to Channel Setup. This chapter
only describes the sequence settings.

Sequence
Preview/Editing

Tabs
Figure 9.1 Sequence Setting Interface
TIP
The Sequence mode on/off status of CH1 and CH2 is always synchronized for two-channel
models.

9.1

To Edit Sequence
In the Sequence Setting interface as shown in Figure 9.1 , click or tap the "Sequence
Preview/Editing" area to open the sequence editing table, as shown in the figure
below.

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Sequence

Figure 9.2 Sequence Editing Table•

SN: displays the step number from 1 to 64. Slide the table left and right to view
all the steps.

•

WaveForm: displays the wave type for step n. Click or tap the cell in this row to
set the waveform for the specified step.

•

Loop: displays the repeat count for step n. Click or tap the cell in this row to set
the repeat count for the specified step.

•

Length: displays the waveform length for step n. Click or tap the cell in this row
to set the length for the specified step.

After the sequence function is enabled, by default, the table has a Sine step whose
loop is 1. The loops of other steps are 0. You can follow the steps below to edit thesequence.
TIP
You can also use :SOURce<n>:TRACe:DATA:DAC16 <type>,<flag>,<data> to self-define
the waveform. For details, refer to DG800 Pro/DG900 Pro Programming Guide.

1. Click or tap the cell in the WaveForm row to select the wave type in the pop-up
menu for the specified step.
2. Click or tap the cell in the Loop row to set the loop with the pop-up numeric
keypad for the specified step. The maximum value is 256. When the entry loop is
set to 0, the entry has no output.
3. Click or tap the cell in the Length row to set the length with the pop-up numeric
keypad for the specified entry. The length ranges from 32 pts to 2 Mpts (8Mpts/CH optional). The total points of all valid steps (the loop is not 0) in thecurrent sequence cannot exceed 2 Mpts (8 Mpts/CH optional).
4. After editing, click or tap Apply to confirm modifications and set the sequence as
the waveform of the current channel.
If you want to clear the current step configurations, click or tap Clear and the table
will be restored to its default state.

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Sequence

9.2

To Save/Load Sequence
Save Sequence
After editing a sequence, you can save the sequence to the internal memory or
external storage device.
1. In the interface as shown in Figure 9.2 , click or tap Save and the "Store" menu isdisplayed.
2. Enter the target path in the internal/external memory. Click or tap Save and thevirtual keypad is displayed.
3. Set the sequence name with the pop-up virtual keypad and then click or tap Enterto save the sequence. Then you can see the sequence that you saved under thetarget path.
Load Sequence
You can load the sequence files stored in the internal memory or external storage
device.
1. In the interface as shown in Figure 9.2 , click or tap Load and the "Store" menu isdisplayed.
2. Enter the target path in the internal/external memory and tick the sequence file(*.seq) that you want to load.
3. Click or tap Load and the instrument will open the file in the sequence editingtable and apply to the current channel.
TIP
For general operations of the "Store" menu, please refer to Storage Management.

9.3

To Set Sequence Parameters
In the interface as shown in Figure 9.1 , you can also set the following parameters.
Sample Rate
Click or tap the Sample Rate input field to set the sample rate for the sequence. The
sample rate ranges from 1 μSa/s to 312.5 MSa/s, and the default is 1 MSa/s.
Amplitude/High Level
Refer to To Output Sine Wave to set the amplitude/high level. Note that Vrms anddBm are not available for the unit of the sequence amplitude.

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Sequence

Offset/Low Level
Refer to To Output Sine Wave to set the offset/low level.
Filter Mode
Click or tap the Filter drop-down button to select the filter mode.
•

Normal: It has wide and flat frequency response as well as short edge time, but
the step response produces a large overshoot.

•

Step: It has more ideal step response, narrow bandwidth, longer rise/fall time,and longer edge time.

•

Interpolation: It guarantees the output of signals with no distortion at all.

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Frequency Counter

10

Frequency Counter
DG800 Pro series provides the frequency counter function. It allows you to measure
the frequency, period, duty cycle, positive pulse width and negative pulse width forthe external input signal. The counter measuring signal is applied to the front-panel[Counter] connector. You can enter the counter setting menu in the following ways
(for two-channel models):•

Click or tap the Counter label at the bottom of the interface to access the"Counter" menu.

•

Press the front-panel

key to access the "Counter" menu.

•

Press the front-panel

key to access the "Counter" menu and enable thecounter function.
When the counter menu is enabled (for two-channel models), the original CH2
configuration area is replaced by the counter menu, as shown in the figure below.
Click or tap the CH2 channel label or press the front-panel

to disable thecounter menu.

Figure 10.1 Counter Menu

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Frequency Counter1. Counter On/Off Identifier
2. Measurement Item Drop-down button
3. Gate Time Drop-down button
4. Operating Status Drop-down button
5. Single Measurement Key

10.1

To Enable the Counter
Press the front-panel

key to enable the counter function. You can also click or

tap the counter on/off identifier in the counter menu to enable the counter function.
After the counter is enabled, "ON" will be displayed in the counter on/off identifier
and the counter label is highlighted.
TIP
When the counter is enabled, the output of CH2 will be disabled for two-channel models. You
are not allowed to configure CH2.

10.2

To Set the CounterIn the "Counter" menu, you can set the following parameters for the counter.
Measurement Parameter
Available parameters include frequency (default), period, duty cycle, positive pulse
width, and negative pulse. In the "Counter" menu, click or tap the "Measurement
Item" drop-down button to select the measurement item. The selected measurement
item is displayed. When the statistical function is enabled, the statistical informationof this item will be displayed (Statistical Function).
Operating Status
In the "Counter" menu, click or tap the "Operating Status" drop-down button to set
the counter operating status to "Run", "Stop", or "Single".
•

Run: measures the input signal continuously based on the current configuration.

•

Single: performs a single measurement and then enters the "Stop" state. You canalso click or tap the

key to perform a single measurement (in any operating

status).
•

Stop: completes the current measurement and then stops.

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79Frequency Counter

Gate TimeIn the "Counter" menu, click or tap the "Gate Time" drop-down button to set the gate
time to Auto, 1 ms, 10 ms, 100 ms, 1 s, 10 s, 100 s, 1000 s, or 10,000 s. The default is
Auto.
Input Impedance
In the "Counter" menu, click or tap the Input Impe drop-down button to select "50
Ω" or "1 MΩ" (default).
High Frequency Suppression
When the input impedance is set to 1 MΩ, the HF Suppression function is available. In
low-frequency signal measurements, this function can be used to filter the highfrequency components (>60 kHz) in a way to improve the measurement accuracy.
In the "Counter" menu, click or tap the HFSuppre on/off switch to enable or disable
the HF Suppression function.
Coupling TypeIn the "Counter" menu, click or tap the Coupling drop-down button to select "DC" or"AC". Note that the coupling type is fixed to "DC" when the input impedance is set to50 Ω.
•

DC: DC coupling, both the DC and AC components of the signal under test canpass the channel.

•

AC: AC coupling, the DC components of the signal under test are eliminated.

Frequency Range
In the "Counter" menu, click or tap the Freq Range drop-down button to select thefrequency range.
•

When the input impedance is set to 50 Ω, you can set the frequency range to
Hz~250 MHz, 250 MHz~500 MHz.

•

When the input impedance is set to 1 MΩ, the frequency range is fixed to 0 Hz~
250 MHz.

Statistical Function
Please refer to Statistical Function.

10.3

Statistical Function
The statistical function can calculates the maximum, minimum, average, and standard
deviation of the current measurement parameter automatically and displays thevariation of the measurement values in "Digital" or "Curve" display mode. In the
counter setting interface (Figure 10.1 ), click or tap the Statis on/off switch to enable

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Frequency Counteror disable the statistical function. After the statistical function is enabled, you can clickor tap the "Statis" tab to enter the statistical interface, as shown in the interface
below.

Figure 10.2 Counter Statistical Interface
Click or tap the Clear key to clear the current results. The count will restart from 1.
TIP
The maximum count is 256 for the counter measurements. If the measurement count exceeds
256, the instrument will clear measurement data and restart the count.

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Channel Copy

11

Channel Copy
DG800 Pro supports the Channel Copy function between two channels, allowing you
to copy the states of one channel to the other one. DG821 Pro should have the twochannel upgrade option installed. The copy information is as shown in the tablebelow.
Click or tap Channel Copy at the bottom of the screen to open the channel copy
menu. You can perform the copy operation between two channels:•

Click or tap CH1 > CH2 to copy the states and waveforms of CH1 to CH2.

•

Click or tap CH2 > CH1 to copy the states and waveforms of CH2 to CH1.

•

Click or tap Swap to exchange the states of CH1 and CH2.

TIP
The Channel Copy function is disabled when channel track is enabled.

Table 11.1 Dual-channel operation parameters(√ indicates available; × indicates not available; * indicates available in certain
conditions)Parameter

Track

Copy

Channel Output State××

Output Mode√√

Basic Waveform√√

Frequency√√

Frequency Coupling

Disabled

Disabled

Period√√Amplitude√√

Amplitude Coupling

Disabled

Disabled

Offset

√

√

Phase

√

√

Phase Coupling

Disabled

Disabled

Square Duty Cycle√√

Ramp Symmetry√√

Pulse Width√√

Rising Edge√√

Trailing Edge√√

Arb Type√√

Harmonic Type√√

Basic Functions

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Channel Copy

Parameter

Track

Copy

Harmonic Order√√

Harmonic Combination√√

Order Harmonic Amplitude√√

Order Harmonic Phase√√

Combine Harmonic Amplitude √List√

Combine Harmonic Phase List √

√

Burst
State

√

√

Mode

√

√

(Trigger) Source√√

Burst Delay√√

Cycles√√Period

√

√

Phase

√

√

Gate Polarity√√

Idle Level

√

√

State

√

√

Mode

√

√

Trigger Source√√

Start Frequency√√

Stop Frequency√√

Center Frequency√√

Frequency Span√√

Start Hold Time√√

Stop Hold Time√√

Sweep Time√√

Return Time√√Mark On/Off√√

Mark Frequency√√

Modulation Type√√

Modulation Source√√

Modulating Waveform√√

Modulation Frequency√√

Modulation Depth

√

√

DSSC

√

√

Frequency Deviation√√

Phase Deviation√√

Duty Cycle Deviation√√

Width Deviation

√

√

Sweep

Modulation

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Channel Copy

Parameter

Track

Copy

Modulation Polarity√√

Modulation Rate√√

Modulation Amplitude√√

Hop Frequency

√

√

Phase

√

√

SUM Waveform[1]**

SUM Frequency√√

SUM Ratio√√

Sync On/Off√√

Sync Port√√

Sync Polarity√√

Invert√√Impedance√√

Trigger output√√

ChannelNOTE[1]: When the SUM waveform is set to a channel, the track function and channel copy function
are not available.

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Channel Setup

12

Channel Setup
In the interface as shown in Figure 4.6 , click or tap the Channel Tab to enter the
Channel Setup Interface, as shown in the interface below.

Figure 12.1 Channel Setup Interface

12.1

Sync Signal Setup
This series can output the sync signals of basic waveforms (except noise, DC, andharmonic), sweep waveforms, bursts, and modulated signal. The instrument outputs
the sync signals of the two channels via the rear-panel [AUX IN/OUT] connector. You
can set the on/off and output polarity for the sync signals of two channels.
Sync On/Off
Click or tap the Sync on/off switch to enable or disable the output of the sync signal.
If the Sync function is enabled, the sync signal is output from the specified sync port
when the channel output is enabled; if the Sync function is disabled, the specified
sync port outputs a logic low level. For details, refer to Table 12.1 Sync Signal ofDifferent Output Modes (Positive Polarity) .
Sync PortThe current version only supports the rear port. When the sync signal output isenabled, it is output from the rear-panel [AUX IN/OUT] connector of thecorresponding channel.

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Channel Setup

TIP
It is disabled when the channel uses external trigger source or external modulation source.

Sync Polarity
It sets the output polarity of the sync signal to trigger an external device that may
require rising edge trigger or falling edge trigger. Click or tap the Polarity drop-down
button to select "Positive" or "Negative".
•

Positive: outputs normal sync signals.

•

Negative: outputs inverted sync signals.

Mark Frequency
When the output mode is set to "Sweep", you can enable the "Mark" function. Afterthe "Mark" function is enabled, the sync signal goes low at the specified markfrequency. For details, please refer to Mark Frequency.

Table 12.1 Sync Signal of Different Output Modes (Positive Polarity)
Output Mode

Descriptions
In Continuous mode (except noise and harmonic), the frequency
and duty cycle of the sync signal are related to the waveform
output frequency.

Continuous•

Output frequency ≤ 30 MHz: the sync signal frequency is thefundamental frequency. The sync signal duty cycle for squareModeequals to the duty cycle of the output waveform. The sync
signal duty cycle for sine, ramp, pulse, and Arb (except DC) is
50%.
•

Output frequency ≥ 30 MHz: the sync signal frequency is
waveform frequency/2 and the duty cycle is 50%.

In Modulation mode, the sync signal is a square waveform with
50% duty cycle. In the first half period of the waveform, the sync
signal is a TTL high level.
•
Modulation
Mode

For AM, FM, PM and PWM, the frequency of the sync signal is
the modulation frequency.

•

For ASK, FSK, and PSK, the frequency of the sync signal is themodulation rate.

•

For SUM, the frequency of the sync signal is the SUM
frequency.

TIP
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Channel Setup

Output Mode

Descriptions
When an external modulation source is selected, the rear port ([AUX IN/
OUT]) is used to accept the external modulation signal and there is nosync signal output.

•

With "Mark" function disabled, the sync signal is a TTL highlevel at the beginning of the sweep and goes low when thesweep stops.

•

With "Mark" function enabled, the sync signal is a TTL highlevel at the beginning of the sweep and goes low at the markfrequency. For step sweeps, if the mark frequency is not equal
to any of the sweep points values, the sync signal becomes alow level at the sweep point which is closest to this markSweep Modefrequency (sweep up/down).
TIP•

When the trigger source is an external trigger source, the rear port([AUX IN/OUT]) is used to accept the external trigger signal andthere is no sync signal output.

•

When the trigger output is enabled, the rear port ([AUX IN/OUT]) is
used to output the trigger signal and there is no sync signal output.

•

Infinite N-Cycle Burst: the sync signal is output at a highlevel.

•

User-defined N-Cycle Burst: the sync signal is a TTL highlevel at the beginning of the burst. It becomes a TTL low level
after a specified number of cycles is completed. The sync
signal frequency is the reciprocal of the burst period. Duty
cycle is carrier period*cycles/burst period.

Burst Mode•

Gated Burst: There is no sync signal output.

TIP•

When the trigger source is an external trigger source, the rear port([AUX IN/OUT]) is used to accept the external trigger signal andthere is no sync signal output.

•

When the trigger output is enabled, the rear port ([AUX IN/OUT]) is
used to output the trigger signal and there is no sync signal output.

12.2

Trigger Output Setup
In Burst or Sweep mode, when the trigger source is set to "Internal" or "Manual", thegenerator outputs a TTL-compatible signal with the specified edge via the rear-panel[AUX IN/OUT] connector.

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Channel Setup

NOTE•

In internal trigger, the generator outputs a square waveform with 50% duty cycle via therear-panel [AUX IN/OUT] connector at the beginning of the burst/sweep.

•

In manual trigger, the generator outputs a pulse with greater than 4 μs pulse width via
the [AUX IN/OUT] connector at the beginning of the burst/sweep.

•

In external trigger, the [AUX IN/OUT] connector is used as the input terminal of external
trigger signals and does not support trigger output.

Click or tap the Trig Out drop-down button to specify the edge of the trigger output
signal. The default setting is "Off".

12.3

•

Off: disables the trigger output signal.

•

Leading: outputs the trigger signal of the leading edge.

•

Trailing: outputs the trigger signal of the trailing edge.

Channel Output Setup
Output Polarity
You can use either the normal mode or Invert mode to output signals. Click or tap the
Invert on/off switch to enable or disable the invert function. The default is "Off".
The waveform is inverted relative to the offset voltage. As shown in the figure below,
relative to the offset voltage, the waveform is inverted.
NormalNormalInverted

Inverted

0V

Offset0V

TIP•

Setting the waveform invert does not invert the sync signals related to the waveform. To
invert the sync signal, refer to Sync Polarity. Set the polarity of the sync signal to"negative".

•

The offset voltage remains unchanged when the waveform is inverted.

Channel Track
DG800 Pro supports the channel track function (DG821 Pro should have the twochannel upgrade option installed). When the Track function for the specified channel
is enabled, you can copy the parameters and states (Table 11.1 Dual-channel

operation parameters ) of the channel to the other channel. The Track function makes

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Channel Setup

it easier to configure the same parameters for two channels. Click or tap the Trackdrop-down button to select "On", "Inverted", or "Off".
•

On: enables the Track function. For example, if the Track function for CH1 isenabled, the instrument automatically copies the parameters and states (except
channel output on/off state) of CH1 to CH2. When the parameters and states of
CH1 are modified, the modifications also apply to CH2. In this way, the twochannels can output identical signals (channel enabled)•

Inverted: the Track function is enabled. The target channel and the sourcechannel have opposite output polarities.

•

Off: disables the Track function. It is the default setting.

TIP•

When the coupling mode (Coupling Setup) is enabled, enabling the Track function
automatically disables the channel coupling function.

•

The Track function is disabled if the Channel Copy function is enabled for a channel andthe SUM source is the other channel.

•

The Track function is disabled when the Sequence mode, Counter, or front port sync
output is enabled.

Impedance
The output impedance setting affects the output amplitude and DC offset. This
instrument has a fixed series output impedance of 50 Ω to each front-panel output
connector. If the actual load impedance differs from the value specified, the voltage
level displayed would not match the voltage level of the device under test. To ensure
correct voltage level, the load impedance setting must match the actual load.
Click or tap Imped drop-down button to select "HighZ" or "Load". If "Load" isselected, you can click or tap the Imped input field to define the impedance. The
range is from 1 Ω to 10 kΩ.
NOTE•

After that, the instrument will adjust the output amplitude and offset voltage
automatically. For example, the current amplitude is 5 Vpp. At this point, change theoutput impedance from 50 Ω to HighZ and the amplitude displayed in the input field will
be doubled to 10 Vpp. If the output impedance is changed from HighZ to 50 Ω, theamplitude will be reduced to half of the previous value (2.5 Vpp). Note that only thedisplayed values change with the parameter and the actual output from the generator
does not change.

•

If the impedance is set to "HighZ", the amplitude unit cannot be set to "dBm".

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Coupling Setup

13

Coupling Setup
DG800 Pro supports frequency, amplitude, and phase coupling. DG821 Pro shouldhave the two-channel upgrade option installed. Click or tap> Coupling to enter

the "Coupling" menu.
In the "Coupling" menu, the Cpl Base displays the base channel for coupling. It is thecurrently selected channel. You can select the other channel as the base channel.
When the coupling function is enabled, if the frequency, amplitude, or phase of one
channel is changed, the corresponding parameter of the other channel will be
adjusted automatically according to the specified deviation or ratio. This section
describes how to set coupling.

Figure 13.1 "Coupling" Menu
The coupling function is available only when the output mode of both channels is set
to Continuous. The following table shows the relationship between the coupling
mode and basic waveform.
(√ indicates available; × indicates not available)
Square Ramp

Pulse

Noise

Arb
(not
DC)

DC

Harmo
nic

√

√

√

×

×

×

×

×

√

√

√

×

√

√

×

×

√

√

√

×

×

×

×

×

Coupling Sine
Function
Frequency
Coupling
Amplitude
Coupling
Phase
Coupling

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Coupling Setup

Frequency Coupling
Frequency coupling allows you to couple frequencies between channels, either by aconstant deviation or ratio between them.
1. Click or tap the Freq Cpl on/off switch to enable or disable the frequency coupling.
The default setting is "Off".
2. Click or tap the Freq Cpl drop-down button to select "Offset" or "Ratio". Then clickor tap the input field to set the deviation or ratio value.
- Offset: the frequency deviation between CH1 and CH2. Set the frequency ofbase channel to Fbasic and the frequency deviation to Fdev, then the frequency ofthe other channel is F = Fbasic + Fdev.
- Ratio: the frequency ratio of CH1 and CH2. Set the frequency of base channel toFbasic and the frequency ratio to Fratio, then the frequency of the other channel is
F = Fbasic*Fratio. The ratio ranges from 0.001 to 1000.
Phase Coupling
Phase coupling allows you to couple phases between channels, either by a constantdeviation or ratio between them.
1. Click or tap the Phase Cpl on/off switch to enable or disable the phase coupling.
The default setting is "Off".
2. Click or tap the Phase Cpl drop-down button to select "Offset" or "Ratio". Thenclick or tap the input field to set the deviation or ratio value.
- Offset: the phase deviation between CH1 and CH2. Set the phase of basechannel to Pbasic and the phase deviation to Pdev, then the phase of the otherchannel is P = Pbasic + Pdev.
- Ratio: the phase ratio of CH1 and CH2. Set the phase of base channel to Pbasic
and the phase ratio to Pratio, then the phase of the other channel is P =Pbasic*Pratio. The ratio ranges from 0.01 to 100.
Amplitude Coupling
Amplitude coupling allows you to couple amplitudes between channels, either by aconstant deviation or ratio between them.
1. Click or tap the Ampl Cpl on/off switch to enable or disable the amplitude
coupling. The default setting is "Off".
2. Click or tap the Ampl Cpl drop-down button to select "Offset" or "Ratio". Thenclick or tap the input field to set the deviation or ratio value.
- Offset: the amplitude deviation between CH1 and CH2. Set the amplitude ofbase channel to Abasic and the amplitude deviation to Adev, then the amplitudeof the other channel is A = Abasic + Adev.
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Coupling Setup- Ratio: the amplitude ratio of CH1 and CH2. Set the amplitude of base channel
to Abasic and the amplitude ratio to Aratio, then the amplitude of the otherchannel is A = Abasic*Aratio. The ratio ranges from 0.001 to 1000.
TIP•

When the coupling mode is set to "ratio", if the frequency, amplitude or phase of any
channel exceeds the upper/lower limit after calculation according to the coupling rules
due to modifying the coupling ratio, switching waveform, or changing waveform
parameters, the generator will automatically adjust the waveform parameters of the basechannel to avoid parameter overlimit.

•

When the coupling mode is set to "deviation", if the frequency, amplitude or phase of
any channel exceeds the upper/lower limit after calculation according to the coupling
rules due to modifying the coupling deviation, the generator will automatically adjust the
coupling deviation to avoid parameter overlimit; if it is due to switching waveform orchanging waveform parameters, the corresponding coupling function is disabled.

•

DG800 Pro User Guide92

The coupling function is disabled when the channel track or counter is enabled.

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Align Phase

14

Align Phase
DG800 Pro provides the Align Phase function. DG821 Pro should have the twochannel upgrade option installed. When the output mode is set to Continuous(except noise and DC), Sweep mode (internal trigger), or Burst mode (internal trigger),click or tap the Align Phase key at the bottom. The instrument will adjust the phasesettings of the two channels and set an internal zero-phase reference point.
For two signals whose frequencies are identical or in multiple,you can use thisfunction to align their phases. For example, the instrument outputs a sine waveform(1 kHz, 5 Vpp) with 0° phase from CH1 and a sine waveform (1 kHz, 5 Vpp) with 180°
phase from CH2. Use an oscilloscope to acquire waveforms from the two channels
and then display the acquired two waveforms. You will see that the waveforms shownon the oscilloscope do not always have a phase deviation of 180° At this point, clickor tap the Align Phase key. The waveforms shown on the oscilloscope will have aphase deviation of 180° without any adjustment of the start phase of the generator.

CH2
CH1

Figure 14.1 Before Aligning Phase

CH1

CH2

Figure 14.2 After Aligning Phase

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Storage Management

15

Storage Management
You can store the screen capture or self-defined sequence waveforms to the internal
memory or external storage device. This series provides a USB HOST interface on thefront panel used to connect the USB storage device for external storage. The local
directory is "Local Disk (C)" and the external storage device is displayed as "USB Disk(D)".
You can access the "Store" menu in the following ways.
•

Click or tap Store/Recall at the bottom of the interface to enter the "Store"
menu.

•

15.1

Press the front-panel

key to enter the "Store" menu.

To Select the File
You need to select the desired file/folder(s) before any further operation.
1. Select the Disk
By default, the menu displays the content of "Local Disk(C)". You can switch to theexternal storage device in the drop-down menu at the upper-left side of the menu.
For example, after "USB Disk(D)" is selected, the menu will display the content of
the external storage device-D disk.
TIP
Before using the external storage device, please make sure that the USB storage device(FAT32, NTFS or exFAT format) is properly connected.

2. Enter the Target Directory
Click or tap the folder to enter the target directory.
3. Select the File/Folder
Tick the check box next to the file or folder and the box will be displayed as.

You can click or tap the box again to cancel the selection. The check box restores
to its original state.
TIP
You can also tick the icon at the upper-right side of the menu to select all the files andfolders under the current directory. Click or tap

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again to cancel the select-all operation.

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Storage Management

15.2

To Create New Folder
You can create new folders in the menu. Click or tap New directory at the bottom of
the menu and set the folder name with the pop-up virtual keypad. A new folder willbe created under the current path with the file name.

15.3

Cut and Copy
Cut a File to a Specified Directory
Select a specified file. Click or tap Cut and then access the target directory. Click or
tap Paste to complete the operation.
Copy a File to a Specified Directory
Select a specified file. Click or tap Copy and then access the target directory. Click or
tap Paste to complete the operation.

15.4

RenameSelect a specified file. Click or tap Rename and set the name with the pop-up virtual
keypad.
TIP
DG800 Pro can only identify the file whose name contains Chinese characters or English letters(including numbers and underscores). The file or folder named by other characters cannot
appear in the storage menu.

15.5

DeleteUnder the current directory, select the file or folder (empty) that you want to delete.
Click or tap Delete to delete the selected file or folder. You cannot delete folders thatare not empty.

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Upgrade

16

UpgradeYou can upgrade the system following the steps below.
1. Ensure that the USB device is correctly connected to the instrument.
2. Then click or tap Store/Recall at the bottom of the interface or press the frontpanel

key to enter the "Store" menu.

3. Refer to Storage Management. Select the upgrade file and then click or tap
Upgrade. In the pop-up menu, click or tap OK to perform the local upgrade
operation.

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System Utility Function Setting

17

System Utility Function Setting
In the "Utility" menu, you can set the I/O parameters and the system-related function
parameters. To enter the "Utility" menu, perform the following operations.
•

Click or tap the notification area at the lower-right corner of the interface toenter the "Utility" menu.

•

Press the front-panel

key to enter the "Utility" menu.

•

Click or tap the function navigation icon

at the lower-left corner of theinterface, and then select Utility to enter the "Utility" menu.

17.1

I/O Setting
In the Utility menu, click or tap I/O to enter the I/O setting menu to configure thefollowing parameters.
Network Status
Different prompts will be displayed according to the current network connection
status.
•Network Config Succeeded!

•

Acquiring IP...

•IP Conflict!

•

DISCONNECTED!

•

DHCP Config Failed•

Read Status Fail!

•CONNECTED•

Invalid IP•

IP lost•Please wait...

IP Configuration TypeThe configuration type of the IP address can be DHCP, Auto IP, or Static IP. In different
IP configuration types, the configurations for IP address and other network
parameters are different.

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System Utility Function Setting•

DHCP
If "DHCP" is selected, the DHCP server in the current network will assign the
network parameters (e.g. IP address, Subnet, Gateway, and DNS) for the
instrument.

•

Auto IP
When "Auto IP" is selected, the instrument will acquire the IP address ranging
from "169.254.0.1" to "169.254.255.254" and the subnet mask (255.255.0.0)
automatically based on the current network configuration. The "Auto IP" works
only when "DHCP" is not selected or connection is failed.

•

Static IP
If "Static IP" is selected, the instrument is configured with static IP. In this case,you need to disable DHCP and Auto IP manually. Then you need to configure theparameters such as "IP address", "Subnet", "Gateway", and "DNS" manually. At
this time, you can self-define the network parameters (e.g. IP address) of the
instrument.
-

Set the IP address
The format of the IP address is nnn.nnn.nnn.nnn. The range of the first
segment (nnn) of the address is from 0 to 255 (except 127); wherein, thevalid range is from 0 to 223. The range for the other three segments is from0 to 255. You are recommended to ask your network administrator for an IP
address available.

-

Set the subnet mask
The format of the subnet mask is nnn.nnn.nnn.nnn. Wherein, the range of"nnn" is from 0 to 255. You are recommended to ask your network
administrator for a subnet mask available.

-

Set the default gateway
You can set this parameter in Static IP mode. The format of the gateway is
nnn.nnn.nnn.nnn. The range of the first segment (nnn) is from 0 to 223(except 127), and the range for the other three segments is from 0 to 255.
You are recommended to ask your network administrator for a gate addressavailable.

-

Set the DNS address
You can set this parameter in Static IP mode. The format of the DNS address
is "nnn.nnn.nnn.nnn". The range for the first segment (nnn) of the address isfrom 0 to 223 (except 127); and the range for the other three segments isfrom 0 to 255. You are recommended to ask your network administrator foran address available.
Generally, you do not need to set the DNS, therefore this parameter setting
can be ignored.

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System Utility Function Setting

TIP•

When the three IP configuration types are all turned on, the priority of the parameter
configuration from high to low is "DHCP", "Auto IP", and "Static IP".

•The three IP configuration types cannot be all turned off at the same time.

MAC Address
Displays the MAC address by the instrument. For each instrument, the MAC address is
unique. When assigning the IP address for the instrument, the system uses the MAC
address to identify the instrument.
VISA Address
Displays the VISA address currently used by the instrument.
Apply the Network Parameter Setting
Click or tap Apply to validate the current network parameter setting.

17.2

LXI
In the Utility menu, click or tap LXI to enter the LXI setting menu and configure thefollowing parameters.
mDNS
Click or tap the mDNS on/off switch to enable or disable the multicast Domain Name
System (mDNS). This system is used to provide the function of DNS server for service
discovery in a small network without a DNS server.
Host Name
Click or tap the Host Name input field to set the host name. A maximum of 28-byte
strings can be supported. When mDNS is enabled, you can also input"hostname.local" into the browser address bar to access Web Control.
Service Name
After the mDNS function is enabled, click or tap the Service Name input field to set
the service name.

17.3

Basic Settings
In the Utility menu, click or tap Setup to access the basic setting menu.
LanguageThis instrument supports two languages. Both Chinese and English are available forthe display of the help information, prompt messages, and interface. Click or tap thedrop-down button of Language to select the specified system language.

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System Utility Function Setting

Load Last
You can set the system configuration to be recalled when the instrument is poweredon again after power-off. Click or tap the Load Last drop-down button to select"Default" or "Last". The default setting is "Last".
•

Last: returns to the setting of the system at last power-off.

•

Default: returns to the factory setting of the system.

Power Setting
Click or tap the Power Set drop-down button to select "Auto" or "Manual".
•

Manual: After the instrument is connected to power, you need to press thepower key to power on the instrument.

•

Auto: After the instrument is connected to power, it will be powered on
immediately.

This setting is stored in the non-volatile memory. It is not affected by the "restore
factory defaults" operation.
Clock SourceThis series generator provides an internal clock source (10 MHz) and accepts theexternal clock source from the rear-panel [10 MHz In/Out] connector. It also outputs
the clock source via the [10 MHz In/Out] connector for the use of other equipment.
Click or tap the Clk Src drop-down button to select "Internal" or "External". The
default setting is "Internal".
If "External" is selected, the system will detect whether a valid external clock signal isapplied to the rear-panel [10MHz In/Out] connector. If no valid clock source is
detected, the prompt message "Not detect a valid external clock!" would be displayed
and the clock source would be switched to "Internal".
TIP
You can synchronize two or more instruments by setting the clock source.
•

Synchronize two instruments:
Connect the [10MHz In/Out] connector of Generator A ("Internal" clock source) to the[10MHz In/Out]connector of Generator B ("External" clock source) and then set identical
output frequencies for the two instruments to realize their synchronization.

•

Synchronize multiple instruments:
Divide the 10 MHz clock source of a generator ("Internal" clock source) into multiple
channels, and then connect them to the [10MHz In/Out] connectors of other generators("External" clock source) respectively, and finally set identical output frequencies for the
instruments to realize synchronization among multiple instruments.

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System Utility Function Setting

Number Format
You can set the display format of the decimal point and thousands separator in
number parameters. This setting is stored in the non-volatile memory. It is notaffected by the "restore factory defaults" operation.
•

Decimal Point: click or tap the Decimal drop-down button to select "." or ",".
The default setting is ".".

•

Thousands Separator: click or tap the Separate drop-down button to select ".",",", "Space", or "None". They cannot be set to "." or "," at the same time.

Brightness
Click or tap the Brightness input field to set the brightness of the display.
BeeperClick or tap the Beeper on/off switch to turn on or off the beeper. When it is on, you
can hear the beeper sound when operating the instrument or an error occurs.
Date and Time
Click or tap the Show Time on/off switch to turn on/off showing the date and timeon the screen. When it is on, the system time is displayed in "hh:mm" format, and thedate is displayed in "yyyy-mm-dd" format in the Notification Area at the lower-rightcorner of the screen. You can self-define the system date and time.
•

Date: click or tap the Date input field and the date setting menu is displayed.
Adjust the date and then click or tap OK to complete the date setting.
Otherwise, click or tap•

to close the menu and cancel the modifications.

Time: click or tap the Time input field and the time setting menu is displayed.
Adjust the time and then click or tap OK to complete the time setting.
Otherwise, click or tap

17.4

to close the menu and cancel the modifications.

About this Instrument
In Utility menu, click or tap About, and then you can view the model, version, andother information about this instrument.
•

Model
Indicates the product model.

•

Serial number
Indicates the serial number of the product, the unique identification for the
product.

•

Calibration Date

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System Utility Function Setting

Indicates the last calibration date.
•

Analog Hardware Version
Indicates the analog hardware version number of the product.

•

Digital Hardware Version
Indicates the digital hardware version number of the product.

•

AFG FPGA Version
Indicates the AFG FPGA version number of the product.

•

AWG FPGA Version
Indicates the AWG FPGA version number of the product.

•

Counter FPGA Version
Indicates the FPGA version number of the Counter.

•

FGen Subsystem Version
Indicates the function generator version number.

•

UI Subsystem Version
Indicates the user interface version number.

•

WebServer SubSystem Version
Indicates the version number of the network service system.

•

Runtime System Version
Indicates the version number of the operation system.

17.5

Print Screen
You can capture the current screen and save the image to the memory in different
formats. In the Utility menu, click or tap Print Screen to enter the print screen setting
menu. You can set the image format to "BMP" or "PNG".
Then click or tap the Print Screen button at the bottom of the interface. The screen
image will be stored in the specified format. By default, the screen capture is saved tointernal memory.

17.6

OptionIn Utility menu, click or tap Options to view the option installation information. For
detailed procedures of installing the options, please refer to To View the Option

Information and Install the Option.

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System Utility Function Setting

17.7

Open Source Acknowledgment
In the Utility menu, click or tap Open Source to view the open source
acknowledgment of this series in the pop-up window.

17.8

Self-check
In Utility menu, click or tap Self Check to enter the "Self Check" menu. You can test
the following self-check items for the device.
Key Test
Click or tap Key Test to enter the key test interface (virtual front-panel key).
At this time, you can press the front-panel keys to check whether the virtual keys arehighlighted. If yes, it indicates that the keys work normally; if no, it indicates that
there's something wrong with the keys. Click or tap Exit at the lower-right corner ofthe interface to exit the key test interface.
Touch Test
Click or tap Touch Test to enter the touch screen test interface.
Slide with your finger on the screen. If there is a line displaying at the empty area
where you slide on the screen and the box that you tap turns out to be filled withgreen background, it indicates that the touch function of this area is normal. Click or
tap Exit at the lower-left corner of the interface to exit the touch screen test interface.
Screen Test
Click or tap Screen Test to enter the screen test interface and check whether thedefective pixel exists.
There are 15 screen test interfaces. Click or tap the screen to switch to the next screen
test interface. Click or tap Exit at the upper-left corner of the interface to exit thescreen test interface.

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Preset Function

18

Preset Function
DG800 Pro provides one auto memory location (AUTO_RECALL) and five user-definedstate memory locations (STATE_1 to STATE_5). You can store the instrument states tothe specified state memory locations and recall them when necessary. Stored states
include channel parameters, waveform parameters, and system parameters. Click ortap> Preset to enter the "Preset" menu, as shown in the figure below.

Figure 18.1 Preset Menu
TIP
If Load Last is set to "Last", the instrument automatically recalls the system configurations atlast power-down (stored in AUTO_RECALL) when it is powered on. Also, the AUTO_RECALL isgrayed out and cannot be modified.

Restore Default Settings
Click or tap Default > Apply. Then click or tap OK in the pop-up menu to reset the
instrument to factory default settings. You can also press the front-panelkey.

For the factory default values, refer to Table 18.1 Factory Settings .
Store Instrument States
Click or tap one state from STATE_1 to STATE_5. Then click or tap Save to save thecurrent system state to the specified location in the internal non-volatile memory. If

Load Last is set to "Default", you can also store the system state to AUTO_RECALL. If
an existing state file has been stored, this operation overwrites the original file.
Recall Instrument States
When a state file has been stored in the specified location, you can select the locationand then click or tap Apply > OK to recall the state file.

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Preset Function

Delete State Files
When a state file has been stored in the specified location, you can select the locationand then click or tap Delete > OK to delete the state file.

Table 18.1 Factory Settings
Parameter

Factory Settings

Channel Output
Basic Waveform

Sine

Output Mode

Continuous

Frequency

1 kHz

Period

1 ms

Amplitude

5 Vpp

Offset

0 Vdc

Phase

0°

Continuous
Square Duty Cycle

50%

Ramp Symmetry

50%

Pulse Display Type

Pulse Width

Pulse Duty Cycle

50%

Pulse Width

500 μsPulse Leading Edge

3 ns

Pulse Trailing Edge

3 ns

Harmonic Type

Order

Harmonic Order

2

Harmonic Phase0°

Harmonic Amplitude

5 Vpp

Arb Type

sinc

Burst
State

Off

Burst Type

N-CycleBurst Period

10 ms

Trigger Source

Internal

Cycles

1

Phase

0°

Delay

0s

Gate Polarity

Positive

Idle Level

1st PtModulation

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Preset Function

Parameter

Factory Settings

AM
Modulation Source

Internal

Shape

Sine

Modulation Frequency

100 HzModulation Depth

100%

DSSC

OFF

FM
Modulation Source

Internal

Shape

Sine

Modulation Frequency

100 HzFrequency Deviation

100 HzPM
Modulation Source

Internal

Shape

Sine

Modulation Frequency

100 HzPhase Deviation

90°

ASK
Modulation Source

Internal

Polarity

Positive

Modulation Rate

100 HzModulation Amplitude

2 Vpp

FSK
Modulation Source

Internal

Polarity

Positive

Modulation Rate

100 HzHop Frequency

10 kHzPSK
Modulation Source

Internal

Polarity

Positive

Modulation Rate

100 Hz

Phase

180°

Pulse Width Modulation
Modulation Source

Internal

Shape

Sine

Modulation Frequency

100 HzDuty Cycle Deviation

1%

Width Deviation

10 μs

SUM
SUM Ratio

50%

SUM Frequency

100 HzSUM Waveform

Sine

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Preset Function

Parameter

Factory Settings

Sweep
Sweep TypeLinear Sweep

Trigger Source

Internal

Start Frequency

100 HzStop Frequency

1 kHz

Center Frequency

550 HzFrequency Span

900 HzMark Frequency

550 HzSweep Time

1s

Return Time

0s

Start Hold Time0s

Stop Hold Time

0s

Sequence
Sample Rate

1 MSa/s

Filter Mode

NormalFrequency Counter
Counter On/Off

Off

Statistics

Off

High Frequency
Suppression

Off

Input Impedance

1 MΩ

Gate Time

Auto

Coupling TypeAC

Coupling
Coupling Base Channel

CH1Frequency Coupling

Off

Frequency Coupling Mode

Ratio

Frequency Coupling Ratio

1

Frequency Coupling Offset

0Phase Coupling

Off

Phase Coupling Mode

Ratio

Phase Coupling Ratio

1

Phase Coupling Offset

0

Amplitude CouplingOff

Amplitude Coupling Mode

Ratio

Amplitude Coupling Ratio

1

Amplitude Coupling Offset

0Channel Setup
Sync On/Off

Off

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Preset Function

Parameter

Factory Settings

Sync Port

Rear Port

Sync Polarity

Positive

Mark Signal

Off

InvertOFF

Impedance

HighZ

Trigger output

Off

System Utility
BeeperOn

Clock Source

Internal

Print Screen Format

PNG

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Remote Control

19

Remote Control
The following ways of remote control are supported:•

User-defined Programming
Users can program and control the instrument by using the SCPI (Standard
Commands for Programmable Instruments) commands. For details about the
SCPI commands and programming, refer to Programming Guide of this productseries.

•PC Software
Users usually need to use the PC software to send commands to control the
instrument remotely via the USB or LAN interface, the PC software can search for
instrument resources and enable command interaction.

•

Web Control
This instrument supports Web Control. You can view the display of the real-time
interface of the instrument using Web Control. Through the Web Control
method, you can migrant the device control to the control terminals (e.g. PC,
Mobile, iPad, and other smart terminals) to realize remote control of the
instrument. Connect the instrument to the network, then input the IP address of
the instrument into the address bar of the browser of your computer. WhenmDNS is enabled, you can also input "hostname.local" (LXI) to use Web Control.
You have to log in before using the Web Control to modify network settings.
When you first log in to the Web Control, the user name is "admin" andpassword is "rigol".

This instrument can be connected to the PC via the USB and LAN interface to set up
communication and realize remote control through the PC.
CAUTION
Before connecting the communication cable, please turn off the instrument to avoid
causing damage to the communication interfaces.

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Troubleshooting

20

Troubleshooting
1. When I power on the instrument, the instrument stays black and does not
display anything.
a. Check whether the power supply has been connected correctly.
b. Check whether the power key is really pressed.
c. Restart the instrument after finishing the above inspections.
d. If the problem still persists, please contact RIGOL.
2. The settings are correct but no waveform is generated.
a. Check whether the output cable is connected to the corresponding channel
output terminal tightly.
b. Check whether the output cable has internal damage.
c. Check whether the output cable is connected to the test instrument tightly.
d. If the problem still persists, please contact RIGOL.
3. The USB storage device cannot be recognized.
a. Check whether the USB storage device can work normally when connected toother instruments or PC.
b. Make sure that the USB storage device is FAT32, NTFS, or exFAT type. The
instrument doesn't support hardware USB storage device.
c. After restarting the instrument, insert the USB storage device again to check
whether it can work normally.
d. If the USB storage device still cannot work normally, please contact RIGOL.
4. Performance verification test is failed.
a. Check whether the generator is within calibration period (1 year).
b. Check whether the generator has been warmed up for at least 20 minutes
before the test.
c. Check whether the generator is under the specified temperature.
d. Check whether the test is under strong-magnetism environment.
e. Check whether the power supplies of the generator and test system have astrong interference.
f. Check whether the performance of the test device used meets the requirement.

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Troubleshooting

g. Make sure that the test device used is within the calibration period.
h. Check whether the test device used meets the required conditions of themanual.
i. Check whether all the connections are tight.
j. Check whether any cable has internal damage.
k. Make sure that the operations conform to settings and processes which arerequired by the performance verification manual.
l. Check whether the error calculation has faults.
m. Correctly understand the definition of "typical value" for this product: theperformance specification of this product under specified conditions.
5. The touch-enabled operation does not work.
a. Check whether you have locked the touch screen. If yes, unlock the touch
screen.
b. Check whether the screen or your finger is stained with oil or sweat. If yes,
please clean the screen or dry your hands.
c. Check whether there is a strong magnetic field around the instrument. If the
instrument is close to the strong magnetic field (e.g. a magnet), please movethe instrument away from the magnet field.
d. If the problem still persists, please contact RIGOL.

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Appendix

21

Appendix

21.1

Appendix A: Options and Accessories
Order Information

Order No.

Model
25 MHz Bandwidth, 625 MSa/s Sample Rate

DG821 Pro

25 MHz Bandwidth, 625 MSa/s Sample Rate

DG822 Pro

50 MHz Bandwidth, 625 MSa/s Sample Rate

DG852 Pro

Standard Accessories
Power Adaptor Conforming to the Standard of the
Destination Country——

USB Cable——

One BNC Cable

CB-BNC-BNC-MM-100

Upgrade Options
8 Mpts/CH Memory Depth Upgrade Option

DG800Pro-3RL

Two-channel Upgrade Option (for DG821 Pro only)

DG800Pro-DCH

Optional Accessories
40 dB Attenuator (50 Ω, 1 W)

21.2

RA5040K

Appendix B: Warranty
RIGOL TECHNOLOGIES CO., LTD. (hereinafter referred to as RIGOL) warrants that the
product mainframe and product accessories will be free from defects in materials andworkmanship within the warranty period. If a product proves defective within thewarranty period, RIGOL guarantees free replacement or repair for the defective
product.
To get repair service, please contact your nearest RIGOL sales or service office.
There is no other warranty, expressed or implied, except such as is expressly set forth
herein or other applicable warranty card. There is no implied warranty ofmerchantability or fitness for a particular purpose. Under no circumstances shall

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Appendix

RIGOL be liable for any consequential, indirect, ensuing, or special damages for any
breach of warranty in any case.

Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.

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