FeelTech

FY6600 Series Fully Numerical Control
Dual Channel Function/Arbitrary Waveform Generator

User’s Manual

Rev2.2

July,2017

FeelTech

Guaranty and Declaration
Copyright© 2017 FeelTech Technology Co. Ltd. All Rights Reserved.

Trademark Information
FeelTech is a registered trademark of FeelTech Technology Co. Ltd.

Declaration
FeelTech reserves the right to modify or change parts of or all the
specifications and pricing policies at company’s sole decision.
Information in this publication replaces all previously corresponding material.

FeelTech shall not be liable for losses caused by either incidental orconsequential in connection with the furnishing, use or performance of thismanual as well as any information contained.
Any part of this document is forbidden to be copied or photocopied or
rearranged without prior written approval of FeelTech。

Contact Us
If you have any problem or requirement when using our products or thismanual, please contact FeelTech.
Tel： 0086 371 68997005

E-mail：feeltech@126.com

Website：www.feeltech.net

FY6600 Series User’s Manual

IFeelTechContents
Guaranty and Declaration ................................................................................... I
Product Introduction .......................................................................................... 1
Quick Start ........................................................................................................... 5
General Inspection.......................................................................................... 5
Front Panel Overview ..................................................................................... 6
Back Panel Overview...................................................................................... 9Power On and Inspection ............................................................................. 11
User Interface ............................................................................................... 12
Appearance and Dimensions ........................................................................ 14
Front Panel Operations .................................................................................... 15
Waveform Output.......................................................................................... 15
Select Output Channel ..............................................................................................15
Select Waveform .......................................................................................................16
Set Frequency ...........................................................................................................17
Set Amplitude ............................................................................................................18
Set Offset...................................................................................................................19
Set Duty Cycle (Square)&Set pulse wave pulse width (Adj-Pulse) .......................20
Set Phase ..................................................................................................................21
Enable Output ...........................................................................................................22
Example：Output Sine Waveform ............................................................................23

Burst .......................................................................................................... 25
Frequency Meter/Counter ............................................................................. 27
Enable the Counter ...................................................................................................27
Set the Counter .........................................................................................................28

Sweep........................................................................................................... 29
Sweep Object ............................................................................................................29
Sweep Start Position .................................................................................................30
Sweep End Position ..................................................................................................31
Sweep Time...............................................................................................................32
VCO (Voltage Control Output) Sweep ......................................................................32
Sweep Type ...............................................................................................................33
Enable Sweep Function ............................................................................................34

System Configuration and Auxiliary Functions .............................................. 35
Save and Load ..........................................................................................................36
Configuration .............................................................................................................37
Uplink.........................................................................................................................38
Synchronization .........................................................................................................39

Troubleshooting ................................................................................................ 40
Technical Specification .................................................................................... 41
Appendix ........................................................................................................... 45
II

FY6600 Series User’s ManualFeelTech

Product Introduction
This manual applies to each model of FY6600 series Function/Arbitrary
Waveform Signal Generator. The last three characters of the model indicate theup limit output of Sine Wave (MHz). For example, the “60M” of the Model Number“FY6600-60M” indicates the Sine wave maximum output frequency is up to
60MHz.
FY6600 series Dual Channel Function/Arbitrary Waveform Generator is amultifunctional signal generator product integrating Function Signal Generator,
Arbitrary Waveform Generator, Pulse Signal Generator, Noise Signal Generator,
Counter and Frequency Meter with excellent cost performance. This instrument
adopts large scale CMOS integrated circuit and high speed MCU microprocessor.
The internal circuit uses SPXO as the basic standard to guarantee the stability ofsignals. Surface mounting technology improves interference immunity andoperational life span.
This instrument has double channels can output 31 preseted DDS signals
including Sine, Square, Triangle(Ramp), Rise Sawtooth, Fall Sawtooth, Lorenz
Pulse, Multitone, Noise, Cardiogram, Trapezoidal Pulse, Sinc Pulse, Narrow
Pulse, Gauss White Noise, AM, FM, Step and 64 group user-defined waveform. It
can also output TTL electric level. Both channels are completely independent.
It has friendly human-machine mutual interface. 2.4 inch TFT Color LCD with
320×240 resolution can display all the parameters of both channels and current
functions of all buttons . Shortcut keys simplify all complicated operations andsave time. Users can be proficient after several minutes practice.
The advantages of this instrument in signal generating, waveform sweeping,parameter measurement and other fields, make it to be the ideal equipment forelectronic engineers, laboratories, industry producing line, university, R&D
institutes and so on.

FY6600 Series User’s Manual1FeelTech
Main Features: Adopt DDS technology to generate accurate, stable signal with low distortion.
 Adopt ABS plastic shell with table type design. Use 100-240V (AC) wide
range voltage power supply.
 2.4 inch TFT Color LCD with 320 × 240 resolution can display all theparameters of both channels and current functions of all buttons .
 Frequency output of Sine wave can be up to 60MHz. 250MSa/s sampling rate.
14 bits vertical resolution.
 Use the process, long press the parameter adjustment knob (OK button), you
can quickly save the instrument output parameters, the next boot,automatically load the saved parameters.
 Complete independent dual channels can work at same timeand phasedifference is adjustable.
 Following function allows users to synchronize all or partial parameters of
CH2 to CH1.
 Two instruments or more can be synchronized by SYNC interface.
 Various Waveform:

2



Sine



Inverse StepSquare

Positive ExponentTriangle/Ramp

Inverse ExponentRise SawtoothPositive Falling Exponent

Fall Sawtooth

Inverse Falling ExponentLorenz Pulse

Positive LogarithmMultitoneInverse Logarithm



Noise



Positive Falling LogarithmElectrocardiogram (ECG)

Inverse Falling Logarithm

Trapezoidal Pulse

Linear FMSinc Pulse



AM



Narrow Pulse



FM



Gauss White NoisePositive Half Wave

Step Triangle

Negative Half Wave

Positive Step

User-defined waveform
FY6600 Series User’s ManualFeelTech It has 64 positions for saving user-defined waveform. Waveform Length ofeach one is 8192 * 14 bits.
 High frequency precision up to 10-6 orders of magnitude.
 Full range of 1μHz （0.000001Hz） frequency resolution.
 Minimum amplitude resolution can be up to 1 mV（0.001V）.
 -10V~+10V DC Offset function（<20MHz）. Resolution 1mV.
 Duty cycle of each channel can be adjusted separately. Precision can be
0.1%.
 Pulse wave pulse width and pulse frequency can be adjusted continuously,
the range of adjustment is 20ns-1S. The pulse amplitude can be continuously
adjusted between 0-10V，adjustment accuracy of 0.001V.
 Phase of two channels adjustable during 0~359.9°. Accuracy can be 0.1°.
 Direct digital Setting covering full range of frequency without grading.
 Sweep Function: It can sweep 4 properties of signals including frequency,
amplitude, offset and duty cycle. It has Linear and Logarithm two sweep types.
Sweep time can be up to 999.99S. Sweep starting point and end point can be
set arbitrarily.
 It has pulse train burst output function. There has Manual Trigger, internal
CH2 Trigger, and External Trigger for your options. It can output 1~1048575
pulse trains.
 Digital signal output function can output any 0~10V CMOS electric level.
 VCO voltage controls parameters of signal output available (for example:
voltage controlled oscillator).
 Save function: It can save 20 sets user-set parameters and can be loaded atanytime.
 100M Frequency meter function: It can measure frequency, period, pulse
width and duty cycle. Max. frequency workable is 100MHz and Min.
frequency workable is 0.01 Hz.
 Counter Function: It has 2 coupling measure modes including DC coupling
and AC coupling. This design can solve inaccuracy problem of AC coupling.
 All parameters can be calibrated by internal program.
 Powerful arbitrary waveform edit function: Users can download arbitrary
waveform to this instrument after edit through PC program which is includedin user CD.
 Powerful communicating function. All functions can be controlled by PC
FY6600 Series User’s Manual3

FeelTechprogram and the communication protocol is open for secondary development.
 Output short-circuit protection: All channels can work more than 60 seconds
when the load is short-circuited.
 Can choose our FYV2000 series or FPA1000 series power amplifier to output
20W or higher signals in DC-10MHz width without any distortion. The highest
power can be up to 100W with our FPA101A amplifier.

4

FY6600 Series User’s ManualFeelTech

Quick Start
General Inspection
Please follow the items below when you receive a new FY6600 series
Function/Arbitrary Waveform Generator.

1． Inspect the shipping container for damage
Keep the damaged shipping container or cushioning material until thecontents of the shipment have been checked for completeness and the
instrument has passed both electrical and mechanical tests. The consigner or
carrier shall be liable for the damage to instrument resulting from shipment.

2． Inspect the instrument
In case of any damage, or defect, or failure, notify your FeelTech sales
representative.

3． Check the accessories
Please check the accessories according to the Appendix C ( packing lists). If
the accessories are incomplete or damaged, please contact your FeelTech sales
representative.

FY6600 Series User’s Manual

5FeelTech
Front Panel Overview
The front panel is divided into several function areas for easy operation.

Front Panel

Item

Function

Description
Press this buttons to switch waveforms among Sine,
Square, Triangle and so on.
Press this button to switch between frequency meter andcounter to measure frequency, period, duty cycle andpulse width of external signal output.
— Both DC and AC are workable.
— Gate Time can be 1S, 10S or 100S.
— Dual channels output and measurement function canwork together at same time.

1&

Function
Buttons Area

Can sweep Sine, Square, Arbitrary and so on.
— Can sweep frequency, amplitude, offset and phase.
— 2 sweep types: Linear, Logarithm.
— VCO voltage controls parameters of signal output
available (for example: voltage controlled oscillator).
Auxiliary functions and system configuration setting.
— Can save 20 sets waveform parameters including
frequency, amplitude, offset, phase and so on.
— System Language has English and Chinese foruser’s option.
— Buzzer can be turned on/off in this manu.
— Set multimachine uplink.

6

FY6600 Series User’s ManualFeelTech— Switch Master-Slave status— Set default status of dual channels at start-up.
Trigger and modulation function button
Set definite amount of pulse string to output.
Set modulation mode: ASK, FSK, PSK

2LCD

2.4 inch TFT（320×240）color LCD. Operation instruction pleasecheck chapter “User Interface”.

3Manu
Buttons

F1~F5 buttons are matched with Manu displayed on the LCD. Press
corresponding button to activate submenu represented.

5

ArrowsPress Arrow buttons to select figure which you want toedit when setting values of each parameter.

6

ADJ Knob

Press the knob as confirmation (OK button).
— Rotate the ADJ Knob to increase or reduce the current value
indicated by the cursor.
— Frequency unit can be changed by Press ADJ Knob underFrequency value setting status.
— Press ADJ Knob to Start/Stop sweep under Sweep interface.

7

Power
ButtonThe power indicator keeps illuminating when power on.
Press the power button and the indicator change to notifylight status
and the signal output terminates.

8

CH1 channel
outputconnector

CH1 connector, output impedance is 50Ω.
When CH1 channel activates (indicator illuminates), CH1 outputs
signal with parameters set.
Control CH1 output. Press it to switch to CH1 parametersetting interface.
—
Press it to turn on CH1 output with current
configuration. The indicator will illuminate.
— Press it again to turn off CH1 output and the indicator
will extinguish.

9

OutputChannels

Control CH2 output. Press it to switch to CH2 parametersetting interface.
—
Press it to turn on CH2 output with current
configuration. The indicator will illuminate.
— Press it again to turn off CH2 output and the indicator
will extinguish.
Synchronization function button.
Can set synchronization of CH1 and CH2 (Frequency,
Amplitude, Offset and so on).

FY6600 Series User’s Manual

7

FeelTech
10

CH2 channel
outputconnector

CH2 connector, output impedance is 50Ω.
When CH2 channel activates (indicator illuminates), CH2 outputs
signal with parameters set.

11

AC couplingmeasuringterminal

BNC connector, input impedance 100Ω. For inputting signal of meter orcounter.

8

FY6600 Series User’s ManualFeelTech
Back Panel Overview
The back panel of FY6600 is as picture 1-2 below. 4 BNC terminals on theleft are DC coupling measuring terminals Trig/FSK/ASK/PSK IN, external sweep
input VCO IN, Synchronization output connector SYNC OUT, andSynchronization input connector SYNC IN. Then follows TTL output terminal,
USB terminal, power switch and power input socket.

1. Power switch
2. BNC connector
Trig/FSK/ASK/PSK IN: DC coupling measuring terminal and ASK/PSK/FSK
modulation trigger input terminal.
VCO IN: External signal sweep input terminal can realize voltage controlling
frequency, voltage controlling amplitude, voltage controlling offset, voltage
controlling duty cycle and so on. Frequency of external signal input should belower than 500 Hz.
SYNC OUT: Synchronization signal output terminal.
SYNC IN: Synchronization signal input terminal.
3. TTL signal output
Frequency of Port A is same with frequency of CH1 output. Frequency of Port B
is same with frequency of Port A but with reverse phase (180°). Frequency ofPort C is same with frequency of CH2. Frequency of Port D is same with Port C
but with reverse phase (180°).
4. USB Device interface
It’s for communication with PC (This is a USB-TTL serial port and driver isneeded). Can programming by host computer.
5. Power input socket(voltage range AC100V-AC240V).

FY6600 Series User’s Manual9FeelTech
Warning
To avoid instrument damage, voltage of signal input from EXT.INCANNOT exceed ±20Vac+dc.Voltage of signal input from
Trig/FSK/ASK/PSK IN CANNOT exceed DC5V.

Note
To ensure the normal work, please use 100-240V AC power
supply.

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FY6600 Series User’s ManualFeelTech

Power On and Inspection
Connect to Power
Please connect the generator to AC power supply using the Power cablesupplied in the accessories. The power supply use 100-240V AC power. The
power of this instrument is less than 5W.

Power On
Turn on the power switch after the power cord is connected. The generator
will execute self-inspection. The LCD will show welcome interface after theinspection is over. If the generator cannot work normally, please check the
Chapter “Troubleshooting” for solution.

Set the System Language
FY6600 series Function/Arbitrary Waveform Generator supports Chinese andEnglish system languages. You can press SYS→CONF to switch the systemlanguage.

FY6600 Series User’s Manual11FeelTech
User Interface
The user interface of FY6600 provides four types of display modes: Dual
Channels Parameters (default), Single Channel Extension, Auxiliary Functions
and System Interface.

Dual Channels Parameters (default)
The upper half of LCD displays the channel selected currently and theparameters can be set. Press CH1 or CH2 to change current channel selected.

1-4 User Interface (CH1 selected)

Item
1
2

3

4

5

12

Description
Current channel selected.
Display current channel selected for operation.
Current waveform selected.
Display the name of current waveform selected. For example,“CH1=Sine” means current waveform selected of CH1 isSine Wave. It can be changed by press WAVE button.
Meanwhile, waveform can be changed quickly by rotating
ADJ Knob when waveform switch function is activated.
Output status of current channel.
Display On/Off status of current channel. It can be switchedby Press CH1 or CH2.
Waveform
Display diagram of current waveform（Including Arbitrary）.
Yellow indicates CH1 and blue indicates CH2.
Manu Bar
Display current operable options .
FY6600 Series User’s ManualFeelTech
6

7

8

9

10

11

Frequency
Display frequency value of current channel. Press FREQ
button to highlight it and use ADJ Knob and Arrows to change
the value.
Amplitude
Display amplitude value of current channel. Press AMPL
button to highlight it and use ADJ Knob and Arrows to change
the value.
OffsetDisplay DC Offset value of current channel. Press OFFS
button to highlight it and use ADJ Knob and Arrows to change
the value.
Duty Cycle
Display Duty Cycle value of current channel. Press DUTY
button to highlight it and use ADJ Knob and Arrows to change
the value.
Phase
Display Phase value of current channel. Press PHAS tohighlight it and use ADJ Knob and Arrows to change thevalue.
Parameters of the channel unselected.
Display parameters of the channel unselected including
frequency, amplitude, offset, phase, duty cycle and output
status. These Parameters cannot be changed directly in thisinterface. If you need to change them, Please switch thechannel to be selected.

FY6600 Series User’s Manual13FeelTechAppearance and Dimensions

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FY6600 Series User’s ManualFeelTech

Front Panel Operations
Waveform Output
FY6600 series can output waveforms (Sine, Square, Triangle/Ramp, Pulse
and Noise etc.) from one of the channels separately or from the two channels at
the same time. At start-up, the dual channels are configured to output a sine
waveform with 10kHz frequency and 5Vpp amplitude by default. Two channels
use default setting saved at Position 1 when power on. Users can configure theinstrument to output various waveforms.

Select Output Channel
CH1 and CH2 buttons are used to change current channel selected. At
start-up, CH1 is displayed on the top with yellow color and CH2 is displayed on
the bottom with blue color. Press CH1 or CH2 to select channel needed. Whenselecting CH2 as output channel, CH2 parameters displays on the top for
configuration.

KEY POINT:
CH1 and CH2 can not be selected at the same time. Users can first selectCH1 and then select CH2 after configuring the waveform and parameters ofCH1. If you need to change the parameters of two channel at same time,please refer to Chapter “Synchronization”.

FY6600 Series User’s Manual

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FeelTech
Select Waveform
FY6600 can output Function/Arbitrary Waveform including: Sine Inverse Exponent

Square

Positive Falling ExponentTriangle/Ramp

Inverse Falling ExponentRise SawtoothPositive Logarithm

Fall Sawtooth

Inverse Logarithm

Lorenz Pulse

Positive Falling LogarithmMultitoneInverse Falling Logarithm



Noise



Linear FMElectrocardiogram (ECG)



AM



Trapezoidal Pulse



FM



Sinc Pulse

Positive Half Wave

Narrow Pulse

Negative Half Wave

Gauss White NoisePositive Half Wave

Step Triangle

Rectification

Positive Step

Inverse Step

Rectification

Positive Exponent



Negative Half Wave
User-defined waveform

Press WAVE to change waveform selected. Or rotate ADJ Knob under waveform
switching status to change waveform. The waveform diagram displays on thescreen. Pressing the knob can change to arbitrary waveform directly whenchoosing waveform. At start-up Sine is selected by default. (Users can also
configure start-up waveform. Please check Chapter “Save and Load”.
Waveforms
Function Name
Frequency
Amplitude
Parameters Offset
Phase
Duty Cycle

Sine
SINE
√
√
√
√

Square
SQUR
√
√
√
√
√

Triangle
TRGL
√
√
√
√

Sawtooth
Ramp
√
√
√
√

Arbitrary
Arb
√
√
√
√

Note: Arbitrary waveforms can be edited and downloaded from PC software
provided by FeelTech. The relevant software and driver can be downloaded fromour website: www.feeltech.net .

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FY6600 Series User’s ManualFeelTech
Set Frequency
Frequency is one of the most important parameters of waveforms. For
different instrument models and waveforms, the setting ranges of frequency are
different. For detailed information, please refer to “Frequency” in“Specifications”. The default frequency is 10kHz.
Press FREQ button to highlight value of Frequency. Then use Arrowbuttons and ADJ Knob to set the value. Press Arrows button to move the cursor
and rotate ADJ Knob to set the value.
Under setting frequency status, press ADJ Knob to change frequency units
among MHz, KHz, Hz, mHz, μHz.

FY6600 Series User’s Manual17FeelTech
Set Amplitude
The amplitude setting range is limited by the “Attenuation” and “Frequency”
settings. Please refer to “Output Characteristics” in “Specifications”. The
default value is 5Vpp.
Press AMPL button to highlight amplitude value. Then use Arrows buttonand ADJ Knob to set the value. Press Arrows button to move the cursor androtate ADJ Knob to set the value.

Key Points：
1．What’s the difference of amplitude in Vpp and the corresponding value in
Vrms?
Answer:Vpp is the unit for signal peak-peak value and Vrms is the unit for signal effective value.
The default unit is Vpp.

Note：
For different waveforms, the relation between Vpp and Vrms is different. The
relation of the two units is as shown in the figure below (take sine waveform as
an example).

According to the figure above, the conversion relation between Vpp and Vrms
fulfills the following equation:
Vpp = 2 2 Vrms
For example, if the current amplitude is 5Vpp, For sine waveform, theconverted value is 1.768Vrms.

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FY6600 Series User’s ManualFeelTech
Set Offset
Press OFFS button to highlight offset value. Then use Arrows button and
ADJ Knob to set the value. Press Arrows button to move the cursor and rotate
ADJ Knob to set the value.
The offset accuracy is 1mV. i.e. 0.001V.
When frequency output is lower than 20MHz, the offset can be adjusted
during -10V~+10V.
When frequency output is higher than 20MHz, the offset can be adjusted
during -2.5V~+2.5V.

FY6600 Series User’s Manual

19FeelTech
Set Duty Cycle (Square)
Duty cycle is defined as the percentage that the high level takes up in thewhole period (as shown in the figure below). This parameter is only available
when square is selected.

The setting range of duty cycle is limited by the “FREQ” setting. Please refer
to “Waveform Characteristics” in “Specifications”. The default value is 50%.
1. Press DUTY button to highlight duty cycle value. Then use Arrows button and
ADJ Knob to set the value. Press Arrows button to move the cursor and rotate
ADJ Knob to set the value.
The setting range of duty cycle is 0.1%-99.9%；
Press ADJ Knob under duty cycle setting status will initial the value to 50%.

Set pulse wave pulse width ( ‘Adj-Pulse’ wave)
Adjustable pulse wave refers to the square wave that can hold the fixed pulse
width at any frequency, that is, the pulse width set by the user does not changewith the frequency.
Pulse width setting method: in the adjustable pulse wave is selected, press
PULS button key to adjust the pulse wave pulse width time (Unit ns).The pulse
width can be set by the arrow button and the knob. Use the arrow button to movethe cursor to select the bit you want to edit, and then turn the knob to modify thevalue. (Note: Do not set the length of the positive pulse width greater than orequal to the cycle time of the output waveform).

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FY6600 Series User’s ManualFeelTech
Set Phase
The setting range of phase is from 0°to 359.9°. The phase resolution is 0.1°.
The default phase value is 0°
The start phase displayed on the screen is the default value or the phasepreviously set.
Then press PHAS button to highlight phase value. Then use Arrows buttonand ADJ Knob to set the value. Press Arrows button to move the cursor androtate ADJ Knob to set the value.

FY6600 Series User’s Manual21

FeelTech
Enable Output
After configuring the parameters of the waveform selected, waveform output
could be enabled.
At start-up output of CH1 and CH2 are both turned on as default. At this time
indicator lights of dual channels illuminate.
The default status can be modified. Press【SYS】button and then press【MORE】
button to set the output status of dual channels.
For CH1 there are two status:
1) Generator is in parameter setting status and current channel selected isCH1, then press CH1 to switch between output ON/OFF.
2) Generator is in other working status or current channel selected is not
CH1, then press CH1 to make CH1 as channel selected and press CH1
again to switch between output ON/OFF.
For CH2 there are two status:
3) Generator is in parameter setting status and current channel selected isCH2, then press CH2 to switch between output ON/OFF.
4) Generator is in other working status or current channel selected is not
CH2, then press CH2 to make CH2 as channel selected and press CH2
again to switch between output ON/OFF.

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FY6600 Series User’s ManualFeelTech
Example：Output Sine Waveform
This section mainly introduces how to output a sine waveform (Frequency:
20kHz, Amplitude:2.5Vpp, DC Offset: 1.6VDC, Start Phase: 90.9°) from the [CH1]channel.
1. Select output channel
Press CH1 to select CH1. Now all characters and border of the channel isdisplayed in yellow.
2. Select the Sine
Press WAVE button to select Sine. Then the diagram of Sine displays on thescreen.
3. Set the frequency
Press FREQ button to highlight the frequency value. Press Arrow buttons tomove the cursor to the position “2” below. Then rotate the ADJ Knob to get “2”.

FREQ：00’020.000’000’000kHz
4. Set the Amplitude
Press AMPL to highlight the amplitude value. Press Arrow buttons to movethe cursor and rotate the ADJ Knob to get the figures below.

AMPL：02.500V

5. Set Offset
Press OFFS to highlight the offset value. Press Arrow buttons to move thecursor and rotate the ADJ Knob to get the figures below.

OFFS：01.600V

6. Set Phase
Press ▼ button to page down and press PHAS button to highlight phasevalue. Then Press Arrow buttons to move the cursor and rotate the ADJ Knob to
get the figures below.

PHAS：090.9°

7. Enable the output
Press CH1 button to turn CH1 output on. The [CH1] connector outputs theconfigured waveform.
8. Observe the output waveform
Connect the [CH1] connector to the oscilloscope with BNC cable. The
waveform is as shown below.
FY6600 Series User’s Manual23

FeelTech

24

FY6600 Series User’s ManualFeelTech
Burst
FY6600 can output waveform with specified number of cycles (called Burst)
from the CH1 channel. FY6600 supports control of burst output by CH2(internal),
manual or external trigger source; The signal generator can generate burst using
Sine wave, Square wave, Ramp wave, Pulse, Noise wave or arbitrary waveform(except DC).
The instrument supports [CH2], [external] and [manual] three trigger output modes, which
can be selected by the corresponding keys.

Enable Burst Function
Press the front panel BURST button, then press BURS button to enter burst
function. The instrument supports [CH2], [external] and [manual] , three trigger
output modes, which can be selected by the corresponding button. When the
burst function is enabled, press No. button to set the cycles of burst. Use arrow
buttons and ADJ Knob to set the numbers from 1 to 1048575. Then the generator
will output burst waveform according to current configuration.
NORMAL: The Burst function is disabled。
CH2 Trigger: CH1 will generate a burst when CH2 generates a pulse.
Ext. Trigger: CH1 will generate a burst when EXT.IN connector was inputted apulse.
MANU Trigger: User can trigger a burst by pressing ADJ Knob (OK button).

FY6600 Series User’s Manual25

FeelTech
Numerical Modulation

Press BURST button to enter numerical and trigger function, then press therelevant button to enter relevant modulation function. Modulation mode can be
external modulation and manual modulation. Modulation signal can be input from
Trig/FSK/ASK/PSK IN on the back.

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FY6600 Series User’s ManualFeelTech
Frequency Meter/Counter
FY6600 provides a counter which can measure various parameters of
external input signal such as frequency, period, duty cycle, positive pulse widthand negative pulse width. Dual channels output can work together with counter.

Enable the Counter
Press MEAS button of the front panel to enable the counter andmeasurement Manu. External signal for measurement can be inputted by Input
connector(AC coupling) or Trig IN(DC coupling). The result will be displayed on
the screen in real time. The lowest frequency workable is 0.01 Hz. （GATE
TIME:100S）。
Press COUN button to enter external pulse counter function. At this time
COUN button is turned into FREQ button. Repeat pressing this button to switch
between FREQ and COUN.

2-1 Frequency Meter/Counter Interface
When the Frequency Meter/Counter is turned on, press STOP button to pause
and press ZERO button to reset.

Key Point：
Amplitude of signal inputted should be bigger than 1.5V. Maximum safe
voltage inputted from Input and Trig IN is 5V. The Uplink function need to beturned off when using Counter/Meter.

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Set the Counter
Gate Time
Press GATE button to select gate time. The default is “1S”. It’s better to use“10S” or “100S” as gate time for low frequency signal.
Gate Time
1S
10S
100S

Frequency Resolution
1Hz
0.1Hz
0.01HzCoupling
Set the coupling mode of the input signal to “AC” or “DC” and the default is“AC”.
When the AC coupling mode is selected, signal should be inputted from Input
terminal.
When the DC coupling mode is selected, signal should be inputted from Trig IN
terminal.

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FY6600 Series User’s ManualFeelTech
Sweep
Press SWEEP button of front panel to enable sweep function. FY6600 can
output sweep from CH1. In sweep mode, the generator outputs signal variably
from the start frequency to stop frequency within the specified sweep time. It cangenerate sweep output for Sine, Square, Triangle/Ramp and arbitrary waveform.

2-2 Sweep setting interface

Sweep Object
FY6600 Can output sweep from CH1. The sweep objects include frequency,
amplitude, offset, duty cycle. It can be selected by pressing OBJE button.
 In Frequency Sweep Mode, the generator will output signal variably fromstart frequency to end frequency within the specified sweep time.
 In Amplitude Sweep Mode, the generator will output signal variably fromstart amplitude to end amplitude within the specified sweep time.
 In Offset Sweep Mode, the generator will output signal variably from start
offset to end offset within the specified sweep time.
 In Duty Cycle Sweep Mode, the generator will output signal variably fromstart duty cycle to end duty cycle within the specified sweep time.

FY6600 Series User’s Manual29FeelTech
Sweep Start Position
When Sweep function is enabled. Sweep start position need to be set
according to sweep objects.
 Frequency Sweep: Press STAR button to highlight start frequency
parameter. Press the Arrow buttons and rotate the ADJ Knob to set the
specified value. For example:

START：00’010.000’000’000kHz
 Amplitude Sweep: Press STAR button to highlight start amplitude parameter.
Press the Arrow buttons and rotate the ADJ Knob to set the specified value.
For example:

START：10.00V
 Offset Sweep: Press STAR button to highlight start offset parameter. Press
the Arrow buttons and rotate the ADJ Knob to set the specified value. For
example:START：00.00V
 Duty Cycle Sweep: Press STAR button to highlight start duty cycle
parameter. Press the Arrow buttons and rotate the ADJ Knob to set the
specified value. For example:

START：50.0%

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FY6600 Series User’s ManualFeelTech
Sweep End Position
When Sweep function is enabled. Sweep end position need to be set
according to sweep objects.
 Frequency Sweep: Press END button to highlight end frequency parameter.
Press the Arrow buttons and rotate the ADJ Knob to set the specified value.
For example:

END：00’020.000’000’000kHz
 Amplitude Sweep: Press END button to highlight end amplitude parameter.
Press the Arrow buttons and rotate the ADJ Knob to set the specified value.
For example:

END：20.00V
 Offset Sweep: Press END button to highlight end offset parameter. Press
the Arrow buttons and rotate the ADJ Knob to set the specified value. For
example:END：10.00V
 Duty Cycle Sweep: Press END button to highlight end duty cycle parameter.
Press the Arrow buttons and rotate the ADJ Knob to set the specified value.
For example:

END：80.0%

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Sweep Time
When Sweep function is enabled, press SOUR button to select it and press it
again to change between TIME and external sweep (VCO Sweep). Press theArrow buttons and rotate the ADJ Knob to set the specified value of weep time.
The default is “10S”. The work range is 10mS~999.99S. For Example:

SOUR: TIME 999.99S

VCO (Voltage Control Output) Sweep
Function instruction: External voltage can control signal output by External
Sweep (VCO) function. It can realize voltage controlling frequency (VCF), voltage
controlling amplitude (VCA), voltage controlling offset, voltage controlling duty
cycle and so on.
Operation method: Press [SWEEP] button to enter sweep function interface.
Then press[F4 SOUR] button to switch the source to VCO IN. After Sweep Object,
Start, End and Sweep Mode being set, connect the external signal from VCO IN
terminal on the back panel. Then press the ADJ knob (OK button) to enable VCO
sweep function. Press ADJ knob (OK button) again to disable it.
Note: Signal input for External Sweep (VCO) need to be input from VCO IN port ofback panel. Its frequency need to be less than 500 Hz and its voltage amplitude
need to be among 0~5V.

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FY6600 Series User’s ManualFeelTech
Sweep Type
FY6600 provides Linear, Logarithm sweep types. The default is Linear
sweep. The sweep type can be switched by pressing “MODE” button.
Linear Sweep
In linear sweep type, the signal parameter varies linearly. For example, in thefrequency sweep the output frequency of the instrument varies linearly in the wayof “Changing several Hertz per second”. The variation is controlled by “Start
Frequency”, “End Frequency” and “Sweep Time”.
The step value of linear sweep object is computed by the generator, theformula is as follows:
Step value=（End value — Start value）/（Sweep time*100）
Logarithm Sweep
In linear sweep type, the signal parameter varies logarithmically.
For example, in the frequency sweep the output frequency changes in the way of“octave per second” or “decade per second”. The variation is controlled by “Start
Frequency”, “End Frequency” and “Sweep Time”.
When Logarithm Sweep is enabled, users can set the following parameters:
Start Frequency (Fstart), Stop Frequency (Fend) and Sweep Time (Tsweep).
The function prototype of Logarithm Sweep:

Fcurrent=PT
Fcurrent is the instantaneous frequency of the current output. P and T could be
expressed as shown below by the above-mentioned parameters:

P=10 lg(Fstop/Fend)/Tsweep
T=t+lg(Fstart)/lg(P)Wherein, tTsweep.

is the time from the start of the sweep and its range is from 0 to

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Enable Sweep Function
Press SWEEP button of front panel to enable sweep function. Then press
ADJ Knob to start sweep process. Press ADJ Knob again to stop sweep.
Start value and End value
Start value and stop value are the upper and lower limits of sweep for
specified parameter. sweep. The generator always sweeps from the start value tothe end value and then returns back to the start value and continues indefinitely.

 Start Frequency < End Frequency: the generator sweeps from low
frequency to high frequency.
 Start Frequency > End Frequency: the generator sweeps from highfrequency to low frequency.
 Start Frequency = Stop Frequency: the generator outputs with a fixed
frequency.
When Sweep function is enabled, press STAR button to highlight start value. Use
arrow buttons and ADJ Knob to set the specified value. Different frequency sweep
corresponds to different start frequency and end frequency range.
Sine：
10mHz to 25MHz~60MHZ (Varies according to different model)： 10mHz to 25MHz： 10mHz to 10MHz：10mHz to 10MHz
The generator will restart sweep (according to the current new configuration)from the specified “start frequency” after start or end frequency is changed.

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FY6600 Series User’s ManualFeelTech
System Configuration and Auxiliary Functions
Press SYS button of front panel to enter System interface. The interface
displays the instrument parameter storage [SAVE] , parameter loading [LOAD] ,configuration [CONF] and other functional [MORE] information.

SAVE: To save current parameters of waveform to save positions (20 sets).
LOAD: To load parameters to current working status from save positions.
CONF: To set system language, turn on/off Buzzer and Uplink mode.
MORE: To set default output status of dual channels.

CH1 BOOT：ON
The default CH1 channel is on to turn on the output state，can press the [ F1 ]button to set the default output status of the CH1 channel.

CH2 BOOT: ON
The default CH2 channel is on to turn on the output state，can press the [ F2 ]button to set the default output status of the CH2 channel.

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Save and Load
Press SAVE button in System interface to save parameters of current
waveform to specified position. Press LOAD button to load parameters ofwaveforms previously set to current system status.
Select S xx on the right to save current parameters to corresponding
position.
Select L xx on the right to load parameters from corresponding position to
current system status.
 FY6600 provides 20 positions for saving.
 The generator will load default parameters from Position 01
automatically after start-up.

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FY6600 Series User’s ManualFeelTech
Configuration
Press SYS button to enter system interface. Then press CONF button to entersystem configuration interface. Press corresponding buttons to select system
work mode.
 Press 中文 button to select Chinese as system language.
 Press Eng button to select English as system language.
 Press BUZZ button to turn on/off buzzer. On is the default.
 Press M/S button to set uplink mode: Master/Slave. Master is thedefault.
 Press UPLI button to turn on/off uplink function. Off is the default.



FY6600 Series User’s Manual37FeelTech
Uplink
FY6600 supports multi-machine uplink, which can provide users morechannels for output. In uplink network, only one master machine can exist. Others
must be set as slave machine. The setting method is as follows:






Select on FY6600 as master machine. Press SYS -> CONF ->M/S, to set the
UPLINK MODE to be “Master”. Press UPLI, to set the UPLINK to be “ON”.
Set all other machines to be slave machines. Press SYS -> CONF ->M/S, to
set the UPLINK MODE to be “Slave”. Press UPLI, to set the UPLINK to be“ON”. Repeat this step to set all slave machines.
Connect all FY6600 in parallel by SYNC connecter.
The uplink machines cannot exceed 8 because the driving ability.

When the setting above has been finished, all machines in network will work
synchronously according to the start phase of master machine. When outputting
signal with same frequency, multi channels output can be executed with phaseadjustable.

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FY6600 Series User’s ManualFeelTech
Synchronization
Press the [SYNC] button to enter the synchronization function settinginterface. Press corresponding buttons on the right to highlight or cancel selecting
status.
When the synchronization of corresponding parameters are activated, thecorresponding parameters of CH2 will vary according to variation of CH1
automatically. The parameters workable for synchronization include waveform,
frequency, amplitude, offset, and duty cycle, which can be set separately.
When WAVE is highlighted, the waveform of CH2 will vary according tovariation of CH1.
When FREQ is highlighted, the frequency of CH2 will vary according tovariation of CH1.
When AMPL is highlighted, the amplitude of CH2 will vary according tovariation of CH1.
When OFFS is highlighted, the offset of CH2 will vary according to variationof CH1.
When DUTY is highlighted, the duty cycle of CH2 will vary according tovariation of CH1.

FY6600 Series User’s Manual39FeelTech
TroubleshootingThis chapter lists the commonly encountered failures of FY6600 and theirsolutions. When you encounter these problems, please solve them following thecorresponding steps below. If the problem remains still, please contact FeelTech
and provide the device information (Press SYS to get it).
Failure Phenomena

Solutions

1) Check whether the power is correctly connected.
2) Check whether the power switch has been pulledThescreenofthe in place.
generator is still dark (no 3) Restart the instrument after finishing the above
display) after switch on.
inspections.
4) If it still does not work correctly, please contact
FeelTech.
1) Check that the signal generator is operating in
synchronous state. Press the SYNC button to enter
CH2 is locked.
the synchronization settings interface to cancel all
synchronization parameters.
2) If the problem is still, please restart the generator.
1) Check whether the BNC cable is connected
tightly with CH1 or CH2 connector.
2) Check whether the BNC cable has internal
damage.
Set correctly,3) Check whether the BNC cable is connected
but no waveform output
tightly with the test instrument.
4) Check whether the indicators of CH1 or CH2 isturned on. If not press corresponding button to turnit on.
5) If the problem is still, please contact FeelTech.

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FY6600 Series User’s ManualFeelTech
Technical Specification
Unless specified, all specifications can be guaranteed if the following two
conditions are met.
 The generator has passed self-inspection.
 The generator has been working continuously for at least 30 minutes
under the specified temperature (18℃~28℃).
All the specifications are guaranteed unless those marked with “typical”

Frequency
Model

FY6600-15M

FY6600-30M

FY6600-50M

FY6600-60M

Sine

0~15MHz

0~30MHz

0~50MHz

0~60MHz

Square0~15MHz

0~25MHz

0~25MHz

0~25MHz

Ramp/Triangle

0~10MHz

0~10MHz

0~10MHz

0~10MHz

Pulse

0~10MHz

0~10MHz

0~10MHz

0~10MHz

TTL/CMOS

0~10MHz

0~10MHz

0~10MHz

0~10MHz

Random

0~10MHz

0~10MHz

0~10MHz

0~10MHz

Minimum
pulse width20ns(All models of pulse wave minimum width can reach 20ns)

Min. Resolution on
all frequency range

1μHz (Min. resolution can reach 1μHz on all frequency range toensure adjusting accuracy under high frequency. For example, it
can output 10.000000000001MHz signal).

Accuracy±20ppmStability±1ppm/ 3hours

Waveform Characteristics

Waveforms

Sine, Square (Duty Cycle adjustable), Pulse (Pulse width andcycle time can be set accurately), Triangle/Ramp, Sawtooth
Wave, CMOS, Four channels TTL, DC, Half wave, Full wave,
Positive Step, Inverse Step, Positive Exponent, Inverse Exponent,
Lorenz Pulse, Multitone, Noise, ECG, Trapezoidal Pulse, Sinc
Pulse, Narrow Pulse, Gauss White Noise, AM, FM, and other 64
sets customer-defined waveform.

Arbitrary Wave
Nonvolatile Storage

Can store 64 user-defined arbitrary waveform

Waveform Length8192 Dots * 14Bit

Sampling Rate

250MSa/s

Vertical Resolution

14 Bits

Sine

Harmonic
Suppression

FY6600 Series User’s Manual≥45dBc(<1MHz);≥40dBc(1MHz~20MHz);

41

FeelTech

SquareSawtooth

Total
Harmonic
Distortion<0.8% (20Hz~20kHz,0dBm)

Rise/Fall Time

≤7ns(VPP<5v)

Overshoot≤5%

Duty Cycle

0.1%~99.9%

Linearity≥98% (0.01Hz~10kHz)

Output characteristics
Frequency≤10MHz: 1mVpp~20Vpp；
Amplitude（VPP）

10MHz<Frequency≤20MHz: 1mVpp~10Vpp,
Frequency>20MHz: 1mVpp~5Vpp

Amplitude
Resolution

1mV

Amplitude Stability±0.5%/ 5 Hours

Amplitude flatness±5%(<10MHz)；±10%(>10MHz);

Waveform Output
Impedance

50Ω±10%（Typical）

Protection

All channels can work more than 60 seconds when the load isshort-circuited.

Dc Offset
Offset Range

Frequency≤20MHz: ±10V； Frequency>20MHz: ±2.5V

Offset Resolution

1mV

Phase
FeaturePhase range

0~359.9°

Phase resolution

0.1°

TTL Output
Electrical Level
Amplitude>3Vpp

Fan-out>8 TTL LOAD

Rise/Fall Time

≤10ns

CMOS Output
Low Electric Level

42

<0.3V

FY6600 Series User’s ManualFeelTechHigh Electric Level

1V~10V

Rise/Fall Time

≤20ns

External Measurement
Frequency Meter

CounterRange

0.01Hz~100MHz

Sensitivity

Gate Time 3 grades(1S, 10S, 100S)
adjustable

Range

0-4294967295

Coupling

DC , AC

Working Mode

ManualVoltage Input
Range

2Vpp~20Vpp

Pulse Width
measurement

Resolution 5 nS.

PeriodMeasurement

Resolution 5ns，Max. Limit 20s

Max. 20S

Sweep
Sweep TypeLinear or Logarithm

Sweep Objects

Frequency, Amplitude, Offset, Duty Cycle

Sweep Time

0.01S~999.99S/Step

Parameters Range

Starting position and Finishing position can be set arbitrarily.

Sweep Range

Decided by Parameters setting.

VCO(Voltage Control Output)

Modulation signal
range to input

0~5V

VCO signal
frequency range

0-1000Hz

VCO control object

voltage controlling frequency (VCF), voltage controlling
amplitude (VCA), voltage controlling offset, voltage
controlling duty cycle.

VCO special
function

Can Amplitude Modulate (AM) or Frequency Modulate (FM) byexternal analog signal.

Digital Modulation (Modulate analog signal by digit)
Modulation Mode

ASK, FSK, PSK

Signal Carrier

Sine, Square, Triangle/Ramp, Sawtooth, Random (DC excluded)

SourceCH2, External, Manual

Modulation wave

Square with 50% duty cycle (1μHz~10MHz).

Burst Function
FY6600 Series User’s Manual43FeelTech
Pulse Quantity

1-1048575

Burst Mode

Manual, CH2, External

General Specifications
DisplayMode

2.4 inch TFT Color Lcd.

Amount20

Position

01 to20 (01 for start default value)Type

USB to Serial interface.

Communicati
ng Speed

9600bps (Industrial standard)ProtocolCommand line mode, protocol complete open.

Power

Voltage
Range

AC100V~240V

Technic

SMD, LSI, Reliable and durable

BuzzerCan be turned on/off by setting.

Operation

Buttons and knob continuously.

Environment

Temp.：0~40℃ Humidity：﹤80%

Dimension

200mm （Length）×190mm（Width） ×90mm（Height）

WeightMachine（700 g），Accessories（150 g）

Save & Load

Interface

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FY6600 Series User’s ManualFeelTech

Appendix

Appendix A：Safety Notes
1. Before using this instrument, please check if the power supply is normal, toensure the normal use and personal safety.
2. This instrument must be used in the technical index range.
3. Please do not change the instrument circuit arbitrarily, so as to avoid damaging
equipment or endangering the safety.

Appendix B：Warning and personal injury
Do not apply the product in the safety protection device or emergency stop
device, or any other applications that the product failure could result in personal
injury, unless there is special purpose or use authorization. Before the installation
and use, each parameter of the technical indexes in this manual should bereferred to. If this suggestion is not obeyed, death or serious personal injury could
be caused. In this condition the company will not be responsible for any
compensation of personal injury or death, and all the company managers andemployees and auxiliary agents, distributors, other personnel concerned will be
released from any claim (including all the costs, expenses, attorney fees etc.) that
may result in.

Appendix C：Accessories and Options
Description
FY6600-15M（15MHz, Dual-channel）
FY6600-30M（30MHz, Dual-channel）
Model
FY6600-50M（50MHz, Dual-channel）
FY6600-60M（60MHz, Dual-channel）
Power Cable
USB Data Cable
Standard
BNC-Clip Cable
Accessories
BNC-BNC Cable
Warranty Card
FYA2000 Series Amplifier
Options
FPA1000 Series Amplifier
Note: Options can be ordered from local FeelTech distributors.

FY6600 Series User’s Manual

Quantity
1
1
1
2
1
1

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Appendix D：Warranty
FeelTech warrants that its products mainframe and accessories will be freefrom defects in materials and workmanship within the warranty period. If a
product is proven to be defective within the respective period, FeelTech
guarantees the free replacement or repair of products which are approved
defective. This product enjoy 1 year warranty since its delivery. Damages causedby misuse, vandalism, improper maintenance or force majeure are not covered by
the warranty. Any disassembly or amendment without permission will be deemedgiving up warranty rights consciously.

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