SIGLENT

SSG5000X
Signal Generator
rService Manual
SM0805X-E01A

SSA3000X Service Manual 1

SIGLENT

Guaranty and Declaration
Copyright
SIGLENT TECHNOLOGIES CO., LTD All Rights Reserved.

Trademark Information
SIGLENT is the registered trademark of SIGLENT TECHNOLOGIES CO.,LTD

Declaration
 SIGLENT products are protected by patent law worldwide
 SIGLENT reserves the right to modify or change parts of or all the
specifications or pricing policies at company’s sole decision.
 Information in this publication replaces all previously corresponding
material.
 Any way of copying, extracting or translating the contents of this manual is
not allowed without the permission of SIGLENT.
 SIGLENT will not be responsible for losses caused by either incidental orconsequential in connection with the furnishing, use or performance of thismanual as well as any information contained.

Product Certification
SIGLENT guarantees this product conforms to the national and industrial
standards in China as well as the ISO9001: 2008 standard and the ISO14001:
2004 standard. Other international standard conformance certification is inprogress.

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General Safety Summary
Carefully read the following safety precautions to avoid any personal
injury or damage to the instrument and any products connected to it. To
avoid potential hazards, please use the instrument as specified.
Use Proper AC Power Line
Only the power cord designed for the instrument and authorized by local
country should be used.
Ground the Instrument
The instrument is grounded through the protective earth conductor of
the power line. To avoid electric shock, please make sure the instrument
is grounded correctly before connecting its input or output terminals.
Connect the Probe Correctly.
If a probe is used, do not connect the ground lead to high voltage since it
has isobaric electric potential as the ground.
Look Over All Terminals’ Ratings
To avoid fire or electric shock, please observe all ratings and label
notices on this instrument. Before connecting the instrument, please
read the manual carefully to gain more information about the ratings.
Use Proper Overvoltage Protection
Make sure that no overvoltage (such as that caused by a thunderstorm)
can enter the product, or else the operator might be exposed to danger ofelectrical shock.
Electrostatic Prevention
Operate the instrument in an electrostatic discharge protective area
environment to avoid damages induced by static discharge. Always
ground both the internal and external conductors of the cable to releasestatic before connecting.
Maintain Proper Ventilation
Inadequate ventilation may cause increasing of the instrument’s
temperature, which will eventually damage the instrument. So keep wellventilated and inspect the intake and fan regularly.
Avoid Exposed Circuit or Components
Do not touch exposed contacts or components when the power is on.
Do Not Operate Without Covers
Do not operate the instrument with covers or panels removed.
Use Only the Specified Fuse.
Keep Product Surfaces Clean and Dry.
To avoid the influence of dust and/or moisture in the air, please keep thesurface of the device clean and dry.
SSG5000X Service Manual 3

SIGLENTDo Not Operate in Wet Conditions.
In order to avoid short circuiting to the interior of the device or electric
shock, please do not operate the instrument in a humid environment.
Do Not Operate in an Explosive Atmosphere.
In order to avoid damage to the device or personal injury, it is importantto operate the device away from an explosive atmosphere.

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Safety Terms and Symbols
Terms on the product. These terms may appear on the product:
DANGER

Indicates direct injuries or hazards that may happen.

WARNING

Indicates potential injuries or hazards that may happen.

CAUTION

Indicates potential damages to the instrument or otherproperty that may happen.

Symbols on the product. These symbols may appear on the product:

Hazardous

Protective

VoltageGroundWarning

Earth Chassis
Ground

SSG5000X Service Manual 5SIGLENT

Contents
Guaranty and Declaration ............................................................................. 2
General Safety Summary .............................................................................. 3
Safety Terms and Symbols ........................................................................... 5
Preparation Information ................................................................................ 7
Power-on Inspection .................................................................................. 7
Interface Test ............................................................................................. 8
Performance Verification Test .................................................................... 15
10 MHz output accuracy test ................................................................... 16
Absolute amplitude accuracy test ............................................................ 17
Second Harmonics .................................................................................. 20
Internal AM modulation test ..................................................................... 22
Internal FM modulation test ..................................................................... 24
Internal ΦM modulation test..................................................................... 26
Pulse modulation test .............................................................................. 28
I/Q modulation distortion performance test .............................................. 30
I/Q modulation EVM performance test ..................................................... 32
LF AC test ................................................................................................ 34
LF DC test ............................................................................................... 36
Assembly Procedures ................................................................................. 37
Safety Considerations.............................................................................. 37
List of Modules ........................................................................................ 38
Required Tools ......................................................................................... 38
Disassembly Procedures ......................................................................... 39
Removing the Outer Cover ................................................................ 39
Removing the IQ Module ................................................................... 40
Removing the Power Module ............................................................ 41
Removing the Control Board ............................................................. 42
Removing the Main Board ................................................................. 43
Removing the front panel .................................................................. 44
Removing the LCD, Keyboard ........................................................... 45
Contact SIGLENT ......................................................................................... 46

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Preparation Information
Before initiating performance verification or any adjustments, it isrecommended to follow these procedures. The following topics are discussed
in this chapter.
How to perform power-on inspection.

How to perform interface test.

For more detailed information about the signal generator operation, pleaserefer to the SSG5000X User Manual.

Power-on Inspection
The normal operating voltage for SSG5000X series signal generators is in therange of 100-240 VRMS, 50 Hz/ 60 Hz/ 440 Hz.
Please use the power cord provided with the accessories to connect the
instrument to the power source as shown in the figure below.

PowerInterface

Figure 1-1 Connect power cord
Note: To avoid electric shock, make sure that the instrument iscorrectly grounded to the earth before connecting AC power.
Press the power-on button located at the lower left corner of the front panel
and several keys will illuminate for about 6 seconds. Then, the boot screen willappear on the display.
The front panel is shown in the figure below.

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Figure 1-2 Front Panel

Figure 1-3 Rear PanelInterface Test
The SSG5000X series signal generator is designed with three standard
interfaces: USB Host, USB Device, and LAN. Being connected to other
instruments via these interfaces enables the signal generator to achieve
additional capabilities. In order to ensure the signal generator is operating
properly, it is recommended to first test the interfaces.

USB Host Test
To test if the USB Host interface is working normally.
Tools:● USB memory device (U disk)
Steps：
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1. Insert a U disk into the USB Host interface on the front panel of the signal
generator.
2. An icon shaped like a U disk appears on the upper right of the screen, as
shown in figure below. The icon appearance indicates the U disk has beensuccessfully recognized.

Figure 2-1 USB drive has been properly recognized

SSG5000X Service Manual 9SIGLENT

USB Device Test
To test if the USB Device interface is operating normally.
Tools：● A computer with USB interface that is compatible with running National
Instruments NI-MAX software● A standard USB cable (Type A-B)
● NI-MAX software
Steps：
1. Download and install National Instruments NI MAX software by following the
installation instructions provided by National Instruments.
2. Connect the signal generator USB Device port and the computer using an
USB cable.
3. Run NI MAX software. Click “Device and interface” at the upper left corner of
the NI software interface and immediately displays the “USBTMC” device
symbol.

4. Click “Open VISA Test Panel” option button, and then the following
Interface will appear. Then click the “Input/Output” option button and click
the “Query” option button in order to view the Read operation information.

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SSG5000X Service Manual 11

SIGLENTLAN Port Test
Use to test the LAN interface functionality.
Tools：● A computer with functional LAN interface● A standard LAN cable
Steps：
1. Connect the signal generator and the computer using a LAN cable via LAN
interface.
2. Press UTILITY->Interface, Set DHCP State ON, as the figure below shows.
The signal generator will set IP Address and Subnet Mask and Gateway
automatically in this network.
3. Write down the displayed IP address. It will be used in later steps.

Figure 2-2 IP configuration interface
4. Run NI max software. Click “Device and interfaces” in the upper left cornerof the NI software interface, select “Network Devices”, Add Network Device,and select VISA TCP/IP Resource as shown:.

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5. Select Manual Entry of LAN instrument, select Next, and enter the IP
address as shown. Click Finish to establish the connection:
Note: Leave the LAN Device Name BLANK or the connection will fail.

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6. After a brief scan, the connection should be shown under Network
Devices:

7. Right-click on the product and select Open NI-VISA Test Panel:
8. Click the “Input/Output” option button and click the “Query” option button inorder to view the Read operation information.
Note: The *IDN? Command (known as the Identification Query) should return the
instrument manufacturer, instrument model, serial number, and otheridentification information.

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Performance Verification Test
This chapter explains testing the signal generator in order to verify
performance specifications. For accurate test results, please let the test
equipment and the signal generator warm up 30 minutes before testing.
Below is the required equipment:
Table 3-1 Test equipment
Equipment

Specification

Qty.

Recommended

Signal Analyzer

20Hz~26.5 GHz

1

Keysight N9020

Power Meter

6 GHz

1

Frequency
Counter

10 MHz1

R&S NRP6A
SIGLENT
SDG6032X
With OCXO

Dual-N Cable

6 GHz

1

BNC Cable

2 GHz

1

SSG5000X Service Manual 15

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10 MHz output accuracy test
Specification
Reference frequency
Initial calibration accuracy

10.000000 MHz<0.2 ppm

Test Connection Diagram

Test Procedures
1. Connect ref out port of the signal generator to the channel A of the
SDG6000X. The SDG6000X should be connected to an external OCXO 10
MHz reference oscillator.
2. Set the SDG6000X to frequency counter mode, and set frequency ref to
10.000000 MHz
3. Check if the frequency deviation ≤ 0.2 ppm

Test Record Form
Frequency
10.000000 MHz

16

Frequency Deviation

SSG5000X Service Manual

Pass/FailSIGLENT

Absolute amplitude accuracy test
Specification
Level error (ALC on, temperature is 20 ℃ ~30 ℃)

Max performance -40 dBm ~ -90 -90 dBm ~ -110 -110 dBm ~ -130
power to -40 dBm dBm
dBm
dBm

9 kHz≤f＜100 kHz≤0.9 dB≤0.7 dB (typ.)≤0.9 dB≤1.1 dB≤0.7 dB (typ.)100 kHz≤f≤4 GHz≤0.7 dB≤0.5 dB (typ.)≤0.7 dB≤1.1 dB≤0.5 dB (typ.) ≤0.7 dB (typ.)≤1.1 dB (typ.)4 GHz＜f≤6 GHz≤0.7 dB≤0.5 dB (typ.)≤0.7 dB≤1.1 dB≤0.5 dB (typ.) ≤0.7 dB (typ.)≤1.2 dB (typ.)

Test Devices
1. Power Meter × 1
2. Dual-N Cable × 1
3. Dual-BNC Cable × 1
4. Signal generator × 1

Test Connection Diagram

(a)

(b)

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Figure 3-1 Absolute amplitude accuracy connections

Test Procedures
1. Connect the output terminal of the SSG5000X with the power meter, as
shown in Figure 3-1 (a).
2. Set the SSG5000X to output a sine waveform with -10 dBm amplitude.
Then modify the output frequency of the SSG5000X according to Table 3-2
and enable the RF output switch RF.
3. Modify the frequency of the power meter accordingly each time theoutput frequency of the SSG5000X is modified. Read the amplitude
measurement value A1 and record it to the test record form.
4. Disconnect the SSG5000X and the power meter. Connect the [10 MHz
OUT] terminal of the signal analyzer with the [EXT REF IN] terminal at the rear
panel of the signal generator using dual-BNC cable to synchronize the two
instruments.
5. Connect the output terminal of the SSG5000X with the input terminal of
the signal analyzer using dual-N cable as shown in Figure 3-1 (b).
6. Configure the signal analyzer:
1) Select the external frequency reference input.
2) Set the span to 100 Hz.
3) Set the reference level to -20 dBm.
4) Set the input attenuation to 10 dB.
5) Set the resolution bandwidth to 1 Hz.
6) Set the self-calibration to normal and perform all of the calibration
items.
7. Set the output frequency of the SSG5000X and the center frequency ofthe signal analyzer according to Table 3-2 (the center frequency of the signal
analyzer corresponds to output frequency of the SSG5000X).
8. Each time the center frequency is changed, wait for the instrument tofinish a sweep and press Peak Search to find the maximum peak. Then record
the result A2 to the test record form.
9. System Error (the input attenuation of the signal analyzer is 10 dB) =A2 - A1 and record the measurement result.
10. Keep the connection shown in Figure 3-1 (b) unchanged, press Mode
Preset to restore the signal analyzer to its factory setting and set the output
amplitude of the SSG5000X according to Table 3-3.
11. Each time the output amplitude is changed, set the output frequency of
the SSG5000X and the center frequency of the signal analyzer according toTable 3-2 (the center frequency of the signal analyzer corresponds to output
frequency of the SSG5000X).
12. Each time the center frequency is changed, wait for the instrument tofinish a sweep; then, press Peak Search to find the maximum peak and record
the measurement result A3 to the test record form.
Note: when the output amplitude of the SSG5000X is -10 dBm, themeasurement result A3, namely, is the measurement value A2 of the signal
analyzer in step 8.
13. Calculate the Global Error = A3 - Reference Value and record theresult.
14. Calculate the amplitude accuracy using the formula Amplitude
Accuracy = |Global Error - System Error| and compare the calculation resultwith the specification.
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Table 3-2 Output Frequency of the SSG5000X
Output Frequency
103k 1.33M 51.33M
533M
1.933
2.433
2.933
Hz
Hz
Hz
Hz
GHz
GHz
GHz

3.933
GHz

4.933
GHz

5.933
GHz

Note: When the frequency of the signal measured is less than 10 MHz, make certain thesignal analyzer is in the DC coupling mode to ensure the measurement accuracy.
Table 3-3 Output Amplitude of the SSG5000X
Output amplitude-10 dBm-50 dBm-90 dBm-120 dBm

Test Record Form
SSG5000X
OutputFrequency
103 kHz1.33 MHz
51.33 MHz
533 MHz
1.933 GHz2.433 GHz2.933 GHz3.933 GHz4.933 GHz5.933 GHz
Reference
Value
SSG5000X
OutputFrequency

Power Meter
Measurement
Value A1

Signal Analyzer
Measurement
Value A2

-10 dBm
SignalAnalyzer
Measurement
Value A3

GlobalError

Amplitude
Accuracy

103 kHz1.33 MHz
51.33 MHz
533 MHz
1.933 GHz2.433 GHz2.933 GHz3.933 GHz4.933 GHz5.933 GHz
Reference
Value
SSG5000X
OutputFrequency

System
Error

Limit

Pass/Fail<0.7-50 dBm
SignalAnalyzer
Measurement
Value A3

GlobalError

Amplitude
Accuracy

Limit

Pass/Fail103 kHz
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1.33 MHz
51.33 MHz
533 MHz
1.933 GHz2.433 GHz2.933 GHz3.933 GHz4.933 GHz5.933 GHz
Reference
Value
SSG5000X
OutputFrequency<0.7-90 dBm
SignalAnalyzer
Measurement
Value A3

GlobalError

Amplitude
Accuracy

103 kHz1.33 MHz
51.33 MHz
533 MHz
1.933 GHz2.433 GHz2.933 GHz3.933 GHz4.933 GHz5.933 GHz
Reference
Value
SSG5000X
OutputFrequency

Limit

Pass/Fail<0.7-120 dBm
SignalAnalyzer
Measurement
Value A3

103 kHz1.33 MHz
51.33 MHz
533 MHz
1.933 GHz2.433 GHz2.933 GHz3.933 GHz4.933 GHz5.933 GHz

GlobalError

Amplitude
Accuracy

Limit

Pass/Fail

<1.1

<1.2

Second Harmonics
Specification
Spectral purity
Harmonics

20

CW mod, 1 MHz<f<6 GHz, Level ≤+13 dBm

SSG5000X Service Manual<-30 dBc

SIGLENT

Test Devices
1. Signal Analyzer × 1
2. BNC-BNC Cable × 1
3. N-N Cable × 1

Test Connection Diagram

Test Procedures
1. Synchronize the SSG5000X and signal analyzer. Connect the RF output
terminal of the SSG5000X with the RF input terminal of the signal analyzer.
2. Configure the SSG5000X:
1) Set the output frequency according to the test record form
2) Set the output level of the SSG5000X to 13dBm
3. Configure the signal analyzer:
1) Preset.
2) Set the input attenuation to auto.
3) Set the reference level to the SSG5000X power plus 2.
4) Switch the preamp to off.
5) Set the center frequency to the SSG5000X frequency.
6) Set the span to 5 kHz.
7) Set the resolution bandwidth to 100 Hz.
8) Press Peak and get the power result as P0.
9) Set the center frequency to the SSG5000X frequency×2.
10) Press Peak and get the power result as P1.
11) Record the P0-P1.
4. The P0-P1 is the Second Harmonic Distortion. And compare themeasurement result with the specification.

Test Record Form
Freq(Hz)
1 MHz
52 MHz112 MHz
312 MHz

Set
Power(dBm)

2th Harmonic
Power(dBm)

Diff(dB)

Pass
Range(dB)
>30.0
>30.0
>30.0
>30.0

Pass/Fail

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512 MHz912 MHz1212 MHz
1512 MHz
1912 MHz
2512 MHz
2912 MHz
3912 MHz
4912 MHz
5912 MHz

>30.0
>30.0
>30.0
>30.0
>30.0
>30.0
>30.0
>30.0
>30.0
>30.0

Internal AM modulation test
Specification
Amplitude Modulation
Modulation source

internal, external, internal + external

AM depth setting range

0 %~100 %Resolution of m[1] setting

0.1 %AM Accuracy

fmod=1 kHz< 4 % of m setting+1 %AM Distortion

fmod =1 kHz, m≤30 %,level<0 dBm<3 % (typ.)Note: [1] m represents the AM depth.

Test Devices
1. Signal Analyzer × 1
2. Dual-BNC Cable × 1
3. Dual-N Cable × 1

Test Connection Diagram

Test Procedures
1. Synchronize the SSG5000X and signal analyzer. Connect the RF output
terminal of the SSG5000X with the RF input terminal of the signal analyzer
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as shown in above figure.
2. Configure the SSG5000X:
1) Set the frequency to 1 GHz.
2) Set the amplitude to -10 dBm.
3) Enable the AM switch.
4) Set the modulation source to internal.
5) Set the modulation depth to 30%.
6) Set the modulation rate to 1 kHz.
7) Set the modulation waveform to “Sine”.
8) Enable the modulation output switch MOD.
9) Enable the RF output switch RF.
3. Configure the Signal Analyzer:
1) Select the Analog Demod mode.
2) Select the AM analog demodulation.
3) Set the span to 200 kHz.
4. Press Meas Setup -> Auto BW & Scale and then read the results of thedemodulated signal in the AM analog demodulation test interface of thesignal analyzer. Record the measurement results (Pk - Pk)/2 andDistortion.
Note: the value (Pk - Pk)/2 represents the peak of the low frequency signal
after AM demodulated.
5. Calculate the modulation accuracy and the distortion using the formulas:
AM Accuracy = |(Pk - Pk)/2 - 30%|,
AM Distortion = Distortion.
Then, compare the calculation results with the specifications.

Test Record Form
SSG5000X
Output

Test Item

Frequency
1 GHz

AM Accuracy[1]AM Distortion[2]MeasureCalculatedmentResultLimit

Pass/ Fail

<4% ofsetting+1 %<3 % (typ.)Note:[1] AM Accuracy = |(Pk - Pk)/2 - 30%|
[2] AM Distortion = Distortion value in the AM analog demodulation test interface

SSG5000X Service Manual 23

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Internal FM modulation test
Specification
Frequency Modulation
Modulation source

internal, external, internal + external

Maximum FM deviation

N[1]*1 MHz (typ.)

Resolution of m[2] setting

0.1% of m setting or 1 Hz, whichever is larger

FM Deviation Accuracy

fmod =1 kHz, internal<2% of m setting+20 Hz

FM Distortion

fmod =1 kHz,
m=N*1 MHz

<0.5 % (nom.)

Note:[1] Please refer to the value of N in the “Frequency Bands” section of the SSG5000X Data Sheet.
[2] m represents the FM deviation.

Test Devices
1. Signal Analyzer × 1
2. Dual-BNC Cable × 1
3. Dual-N Cable × 1

Test Connection Diagram

Test Procedures
1. Synchronize the SSG5000X and signal analyzer. Connect the RF output
terminal of the SSG5000X with the RF input terminal of the signal analyzer
as shown in above figure.
2. Configure the SSG5000X:
1) Set the frequency to 1 GHz.
2) Set the amplitude to -10 dBm.
3) Enable the FM switch.
4) Set the modulation source to internal.
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5)
6)
7)
8)
9)

Set the modulation deviation to 500 kHz.
Set the modulation rate to 1 kHz.
Set the modulation waveform to “Sine”.
Enable the modulation output switch MOD.
Enable the RF output switch RF.

3. Configure the Signal Analyzer:
1) Select the Analog Demod mode.
2) Select the FM analog demodulation.
3) Press Meas Setup -> Auto BW & Scale.
4) Set the span to 2 MHz.
5) Set the Channel BW to 1.5 MHz.
6) Set the RF Res BW to 300 Hz.
4. Read the results of the demodulated signal in the FM analog demodulation
test interface of the signal analyzer. Record the measurement results (Pk Pk)/2 and Distortion.
Note: the value (Pk - Pk)/2 represents the peak of the low frequency signal
after FM demodulated.
5. Calculate the modulation accuracy and the distortion using the formulas:
FM Accuracy = |(Pk - Pk)/2 – 500 kHz|,FM Distortion = Distortion.
Next, compare the calculation results with the specifications.

Test Record Form
SSG5000X
Output

Test Item

Frequency
1 GHz

MeasureCalculatedmentResultLimit

FM Accuracy[1]<2% ofsetting+20 Hz

FM Distortion[2]<0.5 % (nom.)

Pass/ FailNote:[1] FM Accuracy = |(Pk - Pk)/2 – 500 kHz|
[2] FM Distortion = Distortion value in the FM analog demodulation test interface

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Internal ΦM modulation test
Specification
Phase Modulation
Modulation source

internal, external, internal + external

Maximum ΦM deviation

N[1]*5 rad

Resolution of m[2] setting

0.1 % of m setting or 0.01 rad, whichever is larger

ΦM Deviation Accuracy

fmod =1 kHz, internal,
deviation≤N*5rad<2 % of m setting+0.05 radΦM Distortion

fmod =1 kHz, deviation ≤N*5rad<0.5 % (nom.)

Note:[1] Please refer to the value of N in the “Frequency Bands” section of the SSG5000X Data Sheet.
[2] m represents the ΦM deviation.

Test Devices
1. Signal Analyzer × 1
2. Dual-BNC Cable × 1
3. Dual-N Cable × 1

Test Connection Diagram

Test Procedures
1. Synchronize the SSG5000X and signal analyzer. Connect the RF output
terminal of the SSG5000X with the RF input terminal of the signal analyzer
as shown in above figure.
2. Configure the SSG5000X:
1) Set the frequency to 1 GHz.
2) Set the amplitude to -10 dBm.
3) Enable the ΦM switch.
4) Set the modulation source to internal.
5) Set the modulation deviation to 2.5 rad.
6) Set the modulation rate to 1 kHz.
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7) Set the modulation waveform to “Sine”.
8) Enable the modulation output switch MOD.
9) Enable the RF output switch RF.
3. Configure the Signal Analyzer:
1) Select the Analog Demod mode.
2) Select the ΦM analog demodulation.
4. Press Meas Setup -> Auto BW & Scale and then read the results of thedemodulated signal in the ΦM analog demodulation test interface of thesignal analyzer. Record the measurement results (Pk - Pk)/2 andDistortion.
Note: the value (Pk - Pk)/2 represents the peak of the low frequency signal
after ΦM demodulated.
5. Calculate the modulation accuracy and the distortion using the formulas:ΦM Accuracy = |(Pk - Pk)/2 – 2.5 rad|,ΦM Distortion = Distortion.
Then, compare the calculation results with the specifications.

Test Record Form
SSG5000X
Output

Test Item

Frequency
1 GHz

MeasureCalculatedmentResultLimit

ΦM Accuracy[1]<2% ofsetting+0.05 radΦM Distortion[2]<0.5 % (nom.)

Pass/
Fail

Note:
[1] ΦM Accuracy = |(Pk - Pk)/2 – 2.5 rad|[2] ΦM Distortion = Distortion value in the ΦM analog demodulation test interface

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Pulse modulation test
Specification
Pulse modulation
Modulation source
On/off ration
Raise/fall time
（10 %/90 %)Pulse repetition
time

internal, external
1 MHz <f<3.2 GHz
10 % to 90 % of RF amplitude>70 dBc<50 nsSetting range

40 ns~300 s

Test Devices
1. Signal Analyzer × 1
2. Dual-BNC Cable × 1
3. Dual-N Cable × 1

Test Connection Diagram

Test Procedures
1. Synchronize the SSG5000X and signal analyzer. Connect the RF output
terminal of the SSG5000X with the RF input terminal of the signal analyzer
as shown in above figure.
2. Configure the SSG5000X:
1) Set the frequency to 1 GHz.
2) Set the level to -10 dBm.
3) Enable the pulse state.
4) Set the pulse source to internal.
5) Set the pulse mode to single.
6) Set the pulse period to 1s.
7) Set the pulse width to 0.5s.
8) Set the pulse trigger to Key.
9) Enable the modulation output switch MOD.
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10) Enable the RF output switch RF.
3. Configure the Signal Analyzer:
1) Set the center frequency to 1Ghz.
2) Set the span to 0 Hz.
3) Set the reference level to 0 dBm.
4) Set the input attenuation to 10 dB.
5) Set the resolution bandwidth to 100 Hz.
6) Set the video bandwidth to 100kHz.
7) Set the sweep time to 1s.
8) Set the trigger mode to video trigger.
4. Press Click to trigger on the display of the SSG5000X to start a pulse
sweep and wait for the analyzer to finish a sweep, then press Peak Search
to locate the peak
5. Press Marker->Delta->input 0.5s, then press Click to trigger on thedisplay of the SSG5000X again. record the Delta value which equal to the On/Off Ratio

Test Record Form
SSG5000X
Output

Test Item

Frequency
1 GHz

On/Off Ratio

MeasureCalculatedmentResultLimit

Pass/ Fail

＞70 dBc

Note:[1] Calculation Result = -Delta.

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I/Q modulation distortion performance test
Specification
3GPP WCDMA distortion performance
Power level ≤ 4 dBm
OffsetConfiguration

Frequency

Adjacent (5MHz)

1DPCH,1carrier

1800 to 2200 MHz

Adjacent (10MHz)

spec-60 dBc-62 dBc

Test Devices
1. Signal Analyzer × 1
2. BNC-BNC Cable × 1
3. N-N Cable × 1

Test Connection Diagram

Test Procedures
1. Synchronize the SSG5000X and signal analyzer. Connect the RF output
terminal of the SSG5000X with the RF input terminal of the signal analyzer.
2. Configure the SSG5000X:
1) Set the frequency to 2.2 GHz.
2) Set the amplitude to 0 dBm.
3) Enable the I/Q MOD switch.
4) Enter ARB menu in I/Q MOD.
5) Load the “WCDMA_1_DPCH.arb” from local file system in “Waveform
Segment”.
6) Set the current waveform to “WCDMA_1_DPCH” in “Select Waveform”.
7) Enable the “ARB State”.
8) Enable the RF output switch RF.
3. Configure the signal analyzer:
1) Set the Mode to “W-CDMA with HSPA”.
2) Set the reference level to 0 dBm.
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3) Set the center frequency to the 2.2 GHz.
4) Set the Measurement to “ACP”.
5) Record the adjacent channel power ratio (ACPR).
4. Compare the measurement result with the specification.
OffsetAdjacent (5MHz)
Adjacent (10MHz)

ACPR
measurement

Spec Range

Pass/Fail<-60dBc<-62dBc

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I/Q modulation EVM performance test
Specification
EVM performance
Modulation type
Modulation rate
Frequency

QPSK

4 Msps (root-Nyquist filter α=0.25)≤ 6 GHz≤ 6 GHz≤ 4 dBm

power level
EVM

16 QAM＜1 %＜1 %Test Devices
1. Signal Analyzer × 1
2. BNC-BNC Cable × 1
3. N-N Cable × 1

Test Connection Diagram

Test Procedures
1. Synchronize the SSG5000X and signal analyzer. Connect the RF output
terminal of the SSG5000X with the RF input terminal of the signal analyzer.
2. Configure the SSG5000X:
1) Set the frequency according to test record form.
2) Set the amplitude to 0 dBm.
3) Enable the I/Q MOD switch.
4) Enter Custom menu in I/Q MOD.
5) Set the symbol rate to 4 MSps in “Data Source”.
6) Set the modulation type in “Modulation” according to test record form.
7) Set the filter type to RootCosine and filter alpha to 0.25 in “Filter”
8) Click “Update” to download the waveform.
9) Enable the “Custom State”.
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10) Enable the RF output switch RF.
3. Configure the signal analyzer:
1) Set the Mode to “Vector Signal Analyzer” (VXA).
2) Set the reference level to 0 dBm.
3) Set the center frequency to SSG5000X output frequency.
4) Set the frequency span to 6 MHz.
5) Set the amplitude range to 2dBm.
6) Set the Measurements to “Digital Demod”.
7) Set the demod Symbol Rate to 4MHz
8) Set the Modulation Format to be the same as the SSG5000X.
9) Set the Meas Filter to Root Raised Cosine
10) Set the Ref Filter to Raised Cosine11) Set the filter Alpha to 0.25
12) Record the EVM.
4. Compare the measurement result with the specification.

Test Record Form
Modulation type：QPSK
OutputEVM
Frequency
measurement
51.33 MHz
533 MHz
1.933 GHz2.433 GHz2.933 GHz3.933 GHz4.933 GHz5.933 GHz

Modulation type：16QAM
OutputEVM
Frequency
measurement
51.33 MHz
533 MHz
1.933 GHz2.433 GHz2.933 GHz3.933 GHz4.933 GHz5.933 GHzSpec Range

Pass/Fail<1%

Spec Range

Pass/Fail<1%

SSG5000X Service Manual 33

SIGLENTLF AC test
Specification
Internal modulation generator(LF)
Frequency response

Sine wave < 0.3 dB

Test Devices
1. Power Sensor × 1
2. N-BNC Cable × 1
3. USB Cable × 1

Test Connection Diagram

Test Procedures
1. Connect the LF output terminal of the SSG5000X with the input terminal of
the power sensor. Connect the [USB] connector of the SSG5000X
with the USB interface of the power sensor as shown in figure above.
2. Enable LF output switch. Select Sine waveform of the generator and set theamplitude to 0 dBm and then step through the frequencies listed below insequence. Then, set the amplitude to -20 dBm and repeat the frequency
steps.
OutputVoltage

0 dBm

Frequency

Power Meter
Measurement
Value-20 dBm
Spec Range(dBm)

Power Meter
Measurement
Value

Spec Range(dBm)

100 kHz200 kHz300 kHz400 kHz500 kHz600 kHz700 kHz34

SSG5000X Service Manual-0.3 ~ 0.3-20.3 ~ -19.7

SIGLENT
800 kHz
900 kHz
1 MHz

3. Compare the value measured from Power Sensor shown on the
SSG5000X interface with the spec range shown in the table above.

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SIGLENTLF DC test
Specification
DC Offset error±(1%+3 mV)

Test Devices
1. Digital Multimeter × 1
2. Banana-to-single-BNC Cable × 1

Test Connection Diagram

Test Procedures
1. Connect the LF output terminal of the SSG5000X with the Voltage input
terminal of the Digital Multimeter as shown in figure above.
2. Enable LF output switch. Select DC waveform of the generator and set the
instrument to each output value described in the table below and measure
the output voltage with the DMM.
DC Offset

DMM Measurement Value

Spec Range± (1%+3 mV)-2 V-2.017 V ~ -1.983 V-1 V-1.007 V ~ -0.993 V-100 mV-102 mV ~ -98 mV-10 mV-12.9 mV ~ -7.1 mV

0V-3 mV ~ 3 mV

10 mV

6.9 mV ~ 13.1 mV

100 mV

96 mV ~ 104 mV

1V

0.987 V ~ 1.013 V

2V

1.977 V ~ 2.023 V

Note: The output impedance of generator is 50Ω and the input impedance of DMM is high-z, so themeasured value should divide by 2 to get a accurate value.

3. Compare the measured voltage with the spec range shown in the table
above.
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Assembly ProceduresThis chapter describes how to remove the major modules from the SSG5000X
signal generator. To install the removed modules or replace new modules,
please follow the corresponding operating steps in reverse order.
This chapter includes the following topics:Safety Considerations which describes security information needed toconsider while operating.



List of Modules in which the modules to remove are listed.



Required Tools which describes the tools needed to perform theprocedures.

Disassembly Procedures which describes in detail how to remove andinstall the modules.

Safety Considerations
Only qualified personnel should perform the disassembly procedures.
Whenever possible, disconnect the power before you begin to remove or
replace the modules. Otherwise, possible personal injuries or damages to thecomponents may occur.
Avoid Electrical Shock Hazardous voltages exist on the LCD module andpower supply module. To avoid electrical shock, first disconnect the power
cord from the analyzers and then wait at least three minutes for the capacitors
in the analyzers to discharge before you begin disassembly.
Preventing ESD Electrostatic discharge (ESD) can damage electronic
components. When doing any of the procedures in this chapter, use proper
ESD precautions. As a minimum, place the analyzers on a properly grounded
ESD mat and wear a properly grounded ESD strap.

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List of Modules
The following removable modules are listed in the order of performing
disassembly procedures.
Table 4-1 List of modules
Number of Module

Module1

Outer cover

2

Front-Panel

3

Power module

4

Main board

5

Control board

6

IQ board

7

RF connector

8

LCD ,Keyboard

Required Tools
Use these tools to remove or replace the modules in the analyzers:Multifunctional screwdriver

Antistatic gloves

Custom screw hexagonal nut tool or long nose pliers

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Disassembly ProceduresThis section describes how to remove and install the modules listed above inthe signal generator in detail. Complete disassembly will be best achieved
using the following operating steps.

Removing the Outer CoverSCREW X2SCREW X2SCREW X4

Removal steps:
1. Remove the screws as shown in figures above.
2. Press the place of the outer cover as the arrows point in the figure andremove the outer cover from the machine.
To install the outer cover, please perform these steps in reverse order.

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SIGLENT

Removing the IQ Module

Removal steps：
1、Disconnect the power cable and the RF cable
2、Remove the nine screws located on the IQ board.
3、Remove the eight nuts from the back BNC terminal.
4、Next, remove the IQ board.
To install the IQ board, please follow these same steps in reverse order.

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Removing the Power Module

Removal steps：
1、Disconnect the power cable
2、Remove the five screws located on the metal shell
3、Next, remove the Power Module
To install the Power Module, please follow these same steps in reverse order.

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SIGLENT

Removing the Control Board

Removal steps：
1、Unlock the hook as show in the above figure
2、Remove the control board

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Removing the Main Board

Removal steps：
If the device has the IQ board, remove the IQ board first
1. Place the signal generator bottom up.
2. Disconnect the screen cable and RF cable connected to the main board
module from the fronted module.
3. Remove the screws located on the main board.
4. Remove the six nuts from the back BNC terminal.
To install Main Board, please perform these steps in reverse order.

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SIGLENT

Removing the front panel

SCREW × 8
SCREW×4

Removal steps:
1. Remove the eight screws on the rubber feet
2. Remove the four screws located on the front panel.
To install the front panel, please perform these steps in reverse order.

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Removing the LCD, Keyboard

KNOB

SCREW ×13
+

+

+

+

+

+
+

+

+

+
+
+

+

SCREW × 4

Figure 4-5 Removing the LCD and keyboard
Removal steps:
1. Remove the thirteen screws on the keyboard.
2. Remove the four screws located on the edge of the display module.
3. Disconnect the cable that connects the keyboard and the channel board.
4. Separate the modules carefully.

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SIGLENT

Contact SIGLENTSIGLENT Technologies Co., Ltd
Address：3/F, building NO.4, Antongda Industrial Zone, 3rd LiuxianRoad, Bao’an District, Shenzhen, P.R.China
Tel：+86-755-3688 7876
E-mail: sales@siglent.com
http://www.siglent.com

SIGLENT Technologies America, Inc
Address: 6557 Cochran Rd Solon, Ohio 44139
E-mail: info@siglent.com
http://www.siglentamerica.com

SIGLENT Technologies EuropeGmbH
Address: Liebigstrasse 2-20, Gebaeude 14, 22113 Hamburg Germany
E-Mail: info-eu@siglent.com
http://www.siglenteu.com

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