FY6600 Series Users Manual V2.9

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FeelTech

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

User’s Manual

Rev2.9

August,2017

FeelTech

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

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 or

consequential in connection with the furnishing, use or performance of this
manual 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 this
manual, please contact FeelTech.
Tel： 0086 371 68997005

E-mail：feeltech@126.com

Website：www.feeltech.net

FY6600 Series User’s Manual

FeelTech

Contents
Guaranty and Declaration ................................................................................... I
Product Introduction .......................................................................................... 3
Quick Start ........................................................................................................... 6
General Inspection.......................................................................................... 6
Front Panel Overview ..................................................................................... 7
Back Panel Overview.................................................................................... 10
Power On and Inspection ............................................................................. 12
User Interface ............................................................................................... 13
Appearance and Dimensions........................................................................ 15
Front Panel Operations .................................................................................... 16
Waveform Output .......................................................................................... 16
Select Output Channel ..............................................................................................16
Select Waveform .......................................................................................................17
Set Frequency ...........................................................................................................18
Set Amplitude ............................................................................................................19
Set Offset...................................................................................................................20
Set Duty Cycle (Square)&Set pulse wave pulse width (Adj-Pulse) .......................21
Set Phase ..................................................................................................................22
Enable Output ...........................................................................................................23
Example：Output Sine Waveform ............................................................................24

Burst .......................................................................................................... 26
Modulation Function .................................................................................. 26
Frequency Meter/Counter ............................................................................. 28
Enable the Counter ...................................................................................................28
Set the Counter .........................................................................................................29

Sweep........................................................................................................... 30
Sweep Object ............................................................................................................30
Sweep Start Position .................................................................................................31
Sweep End Position ..................................................................................................32
VCO (Voltage Control Output) Sweep ......................................................................33
Sweep Type ...............................................................................................................34
Enable Sweep Function ............................................................................................35

System Configuration and Auxiliary Functions.............................................. 36
Save and Load ..........................................................................................................37
Configuration .............................................................................................................38
Uplink.........................................................................................................................39
Synchronization .........................................................................................................40

Troubleshooting ................................................................................................ 41
Technical Specification .................................................................................... 42
Appendix ........................................................................................................... 46
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 the
up 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 a set
of Function Signal Generator, Arbitrary Waveform Generator, Pulse Generator,
Analog / Digital modulator, VCO, Sweep, Counters and Frequency Meter and
other functions in a high Performance, cost-effective, multi-function signal
generator. Abundant shortcut keys and graphical user interface simplifies every
operation. Users do not have to spend a lot of time to learn and familiar with the
operation of the instrument, you can be skilled use. For education, research and
development, production, testing, maintenance and other industries to provide a
new choice.
The instrument adopt the Direct Digital Synthesizer (DDS) technology
and provide stable, precise, pure and low distortion signals. Surface mounting
technology improves interference immunity and operational life span. Can output
up to 97 groups of functions / arbitrary waveform, contains 33 groups of preset
waveforms and 64 groups of user-defined waveforms. Preset waveforms: Sine,
Square (Duty Cycle adjustable), Pulse (Pulse width and cycle time can be set
accurately), Triangle/Ramp, CMOS(0~10V), Four channels TTL, Exponential
Rise, Exponential Fall, Noise, ECG, DC etc.

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Main Features:
 Adopt the Direct Digital Synthesizer (DDS) technology and provide stable,
precise, pure and low distortion signals.
 2.4 inch TFT Color LCD with 320×240 resolution, displaying parameters and
graphics of the two channels at the same time.
 The instrument uses 14-bit high-speed D/A converter chip (5Vpp output
quantization error is less than 1mV), 250MSa/s sample rate, 14bits vertical
resolution.
 Can output up to 97 groups of functions / arbitrary waveform, contains 33
groups of preset waveforms and 64 groups of user-defined waveforms.
Preset waveforms: Sine, Square (Duty Cycle adjustable), Pulse (Pulse width
and cycle time can be set accurately), Triangle/Ramp, CMOS(0~10V), Four
channels TTL, Exponential Rise, Exponential Fall, Noise, ECG, DC etc.
 Enable to store 64 arbitrary waveform data files, each one of waveform
storage depth 8192 points * 14bits;
 Various modulation types: AM, FM, PM, ASK, FSK and PSK modulations.
 Sweep Function: It can sweep 4 properties of signals including frequency,
amplitude, offset and duty cycle; It has Linear and Logarithm two sweep types;
0.01S~999.99S sweep time; Up, Down and roundtrip sweep directions.
 VCO Function (Voltage Control Output): Can be achieved by an external input
signal: voltage controlling frequency, voltage controlling amplitude, voltage
controlling offset, voltage controlling duty cycle and PWM modulations.
 Burst Output Function: There has Manual Trigger, internal CH2 Trigger, and
External Trigger for your options. It can output 1~1048575 pulse trains.
 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.
 Standard dual full functional channels which are equivalent to two
independent generators.
 Channel SYNC Function: Support waveform copy and state copy between
channels.
 Support two or more signal generators connected to achieve multi-channel
output, the maximum support 16-channel synchronous output, the phase
between each channel can be adjusted.
4

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 Precisely adjust the phases of the two channels, Precision can be 0.01°.
 Minimum amplitude resolution can be up to 1 mV. Amplitude range is
0~20Vpp.
 Duty-cycle of each channel can be adjusted independently0.01%-99.99%,
the adjusting resolution is 0.01%.
 -10V~+10V DC Offset function. Resolution 0.001V.
 Save function: It can save 20 sets user-set parameters and can be loaded at
any time.
 Communicating function: All functions can be controlled by PC program 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.
 Provide powerful waveform editing PC software. Users can download
arbitrary waveform to this instrument after edit through PC program which is
included in user CD.
 Adopt ABS plastic shell with table type design. Use 100-240V (AC) wide
range voltage power supply.
 Can choose our FYA2000S series or FPA1000 series power amplifier to
output 20W~100W signal in DC-10MHz width without any distortion.

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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 the
contents 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.

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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.

Function
Buttons Area

Press this button to switch between frequency meter and
counter to measure frequency, period, duty cycle and
pulse 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 can
work together at same time.
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 for
user’s option.
— Buzzer can be turned on/off in this manu.
— Set multimachine uplink.

FY6600 Series User’s Manual

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— 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

LCD

Manu
Buttons

Arrows

2.4 inch TFT（320×240）color LCD. Operation instruction please
check chapter “User Interface”.
F1~F5 buttons are matched with Manu displayed on the LCD. Press
corresponding button to activate submenu represented.
Press Arrow buttons to select figure which you want to
edit when setting values of each parameter.

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 under
Frequency value setting status.
— Press ADJ Knob to Start/Stop sweep under Sweep interface.

Power
Button

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

CH1 channel
output
connector

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 parameter
setting 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.

Output
Channels

Control CH2 output. Press it to switch to CH2 parameter
setting 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).

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10

CH2 channel
output
connector

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

AC coupling
measuring
terminal

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

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Back Panel Overview
The back panel of FY6600 is as picture 1-2 below. 4 BNC terminals on the
left are DC coupling measuring terminals Trig/FSK/ASK/PSK IN, external sweep
input VCO IN, Synchronization output connector SYNC OUT, and
Synchronization 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 be
lower 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 of
Port 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 is
needed). Can programming by host computer.
5. Power input socket(voltage range AC100V-AC240V).

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Warning
To avoid instrument damage, voltage of signal input from EXT.IN
CANNOT 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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Power On and Inspection
Connect to Power
Please connect the generator to AC power supply using the Power cable
supplied 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 the
inspection 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 and
English system languages. You can press SYS→CONF to switch the system
language.

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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 the
parameters can be set. Press CH1 or CH2 to change current channel selected.

1-4 User Interface (CH1 selected)

Item
1
2

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 is
Sine 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 switched
by 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 .

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6

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.
Offset
Display 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 to
highlight it and use ADJ Knob and Arrows to change the
value.
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 this
interface. If you need to change them, Please switch the
channel to be selected.

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Appearance and Dimensions

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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 the
instrument 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. When
selecting 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 select
CH1 and then select CH2 after configuring the waveform and parameters of
CH1. If you need to change the parameters of two channel at same time,
please refer to Chapter “Synchronization”.

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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)



Trapezoidal Pulse



Sinc Pulse



Positive Half Wave



Narrow Pulse



Negative Half Wave



Gauss White Noise



Positive Half Wave



Step Triangle



Positive Step



Inverse Step



Positive Exponent

Rectification


Negative Half Wave

Rectification


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 the
screen. Pressing the knob can change to arbitrary waveform directly when
choosing 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 from
our website: www.feeltech.net .

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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 Arrow
buttons 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.

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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 button
and ADJ Knob to set the value. Press Arrows button to move the cursor and
rotate 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, the
converted value is 1.768Vrms.

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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.

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Set Duty Cycle (Square)
Duty cycle is defined as the percentage that the high level takes up in the
whole 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 change
with 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 move
the cursor to select the bit you want to edit, and then turn the knob to modify the
value. (Note: Do not set the length of the positive pulse width greater than or
equal to the cycle time of the output waveform).

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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 phase
previously set.
Then press PHAS button to highlight phase 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.

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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 is
CH1, 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 is
CH2, 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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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 is
displayed in yellow.
2. Select the Sine
Press WAVE button to select Sine. Then the diagram of Sine displays on the
screen.
3. Set the frequency
Press FREQ button to highlight the frequency value. Press Arrow buttons to
move 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 move
the 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 the
cursor 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 phase
value. 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 the
configured waveform.
8. Observe the output waveform
Connect the [CH1] connector to the oscilloscope with BNC cable. The
waveform is as shown below.
24

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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).

Enable Burst Function
Press the front panel MOD button, then press MODE button to enter burst
function. The instrument supports [CH2], [Ext. AC], [Ext. DC] and [manual] four
trigger output modes, which can be selected by the corresponding button. When
the burst function is enabled, press the PARA button to set the burst output
pulse number. 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.





CH2 Trigger: CH1 will generate a burst when CH2 generates a pulse.
Ext. AC: CH1 will generate a burst when [Input] connector was inputted a
pulse.
Ext. DC: CH1 will generate a burst when [Trig IN] connector was inputted a
pulse.
MANU Trigger: User can trigger a burst by pressing ADJ Knob (OK button).

Press the [WAVE] button to change the current burst output signal waveform.
Press the [FREQ] button to change the current burst output signal frequency.
Press the [AMPL] button to change the current burst output signal amplitude.

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Modulation Function
Press the MOD button to enter the modulation function interface.
Press [MODE] soft key, you can choose different modulation types.

Modulation Type

AM, FM, PM, ASK, FSK, PSK

Carrier Waveform

Sine, Square, Triangle, Ramp, Arbitrary waveform (Except DC)

AM
Source

Internal (CH2) / External (VCO IN Port)

Modulating Waveform

Sine, Square, Triangle, Ramp, Arbitrary waveform

Depth

0% to 120%

Modulating Frequency

Internal : 1μHz~1MHz; External: 1μHz~2KHz;

FM
Source

Internal (CH2) / External (VCO IN Port)

Modulating Waveform

Sine, Square, Triangle, Ramp, Arbitrary waveform

Modulating Frequency

Internal : 1μHz~1MHz; External: 1μHz~2KHz;

PM
Source

Internal (CH2) / External (VCO IN Port)

Modulating Waveform

Sine, Square, Triangle, Ramp, Arbitrary waveform

Phase Deviation

0° to 360°

Modulating Frequency

Internal : 1μHz~1MHz; External: 1μHz~2KHz;

ASK
Source

Internal (CH2), External (ASK IN Port), Manual

Modulating Waveform

Square with 50% duty cycle.

Key Frequency

1μHz~10MHz

FSK
Source

Internal (CH2), External (FSK IN Port), Manual

Modulating Waveform

Square with 50% duty cycle.

Key Frequency

1μHz~10MHz

PSK
Source

Internal (CH2), External (PSK IN Port), Manual

Modulating Waveform

Square with 50% duty cycle.

Key Frequency

1μHz~10MHz

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 width
and 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 and
measurement 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 be
turned off when using Counter/Meter.

FY6600 Series User’s Manual

FeelTech
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
0.01Hz

Coupling
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.

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 can
generate 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
start frequency to end frequency within the specified sweep time.
 In Amplitude Sweep Mode, the generator will output signal variably
start amplitude to end amplitude within the specified sweep time.
 In Offset Sweep Mode, the generator will output signal variably from
offset to end offset within the specified sweep time.
 In Duty Cycle Sweep Mode, the generator will output signal variably
start duty cycle to end duty cycle within the specified sweep time.

from
from
start
from

FY6600 Series User’s Manual

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%

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%

FY6600 Series User’s Manual

FeelTech
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 the
Arrow 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 of
back panel. Its frequency need to be less than 500 Hz and its voltage amplitude
need to be among 0~5V.

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 the
frequency sweep the output frequency of the instrument varies linearly in the way
of “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, the
formula 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, t
Tsweep.

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

FY6600 Series User’s Manual

FeelTech
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 to
the end value and then returns back to the start value and continues indefinitely.
For example, in Frequency Sweep function:
 Start Frequency < End Frequency: the generator sweeps from low
frequency to high frequency.
 Start Frequency > End Frequency: the generator sweeps from high
frequency 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)
 Square： 10mHz to 25MHz
 Ramp： 10mHz to 10MHz
 Arbitrary：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.

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.

FY6600 Series User’s Manual

FeelTech
Save and Load
Press SAVE button in System interface to save parameters of current
waveform to specified position. Press LOAD button to load parameters of
waveforms 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.

FY6600 Series User’s Manual

FeelTech
Configuration
Press SYS button to enter system interface. Then press CONF button to enter
system 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 the
default.
 Press UPLI button to turn on/off uplink function. Off is the default.



FY6600 Series User’s Manual

FeelTech
Uplink
FY6600 supports multi-machine uplink, which can provide users more
channels 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 phase
adjustable.

FY6600 Series User’s Manual

FeelTech
Synchronization
Press the [SYNC] button to enter the synchronization function setting
interface. Press corresponding buttons on the right to highlight or cancel selecting
status.
When the synchronization of corresponding parameters are activated, the
corresponding 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 to
variation of CH1.
When FREQ is highlighted, the frequency of CH2 will vary according to
variation of CH1.
When AMPL is highlighted, the amplitude of CH2 will vary according to
variation of CH1.
When OFFS is highlighted, the offset of CH2 will vary according to variation
of CH1.
When DUTY is highlighted, the duty cycle of CH2 will vary according to
variation of CH1.

FY6600 Series User’s Manual

FeelTech
Troubleshooting
This chapter lists the commonly encountered failures of FY6600 and their
solutions. When you encounter these problems, please solve them following the
corresponding 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 pulled
The
screen
of
the 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 is
turned on. If not press corresponding button to turn
it on.
5) If the problem is still, please contact FeelTech.

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

Sine

0~15MHz

0~30MHz

0~50MHz

0~60MHz

Square

0~15MHz

0~25MHz

Ramp, Triangle

0~10MHz

Pulse

0~10MHz

TTL/CMOS

0~10MHz

Arbitrary Waveform

0~10MHz

Minimum pulse width

20ns(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 to
ensure adjusting accuracy under high frequency. For example, it
can output 10.000000000001MHz signal).

Accuracy

±20ppm

Stability

±1ppm/ 3hours

FY6600-50M

FY6600-60M

Waveform Characteristics

Waveforms

Sine, Square (Duty Cycle adjustable), Pulse (Pulse width and
cycle 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.

Non-Volatile Storage

Can store 64 user-defined arbitrary waveforms, (8K 14bits) * 64

Waveform Length

8192 points * 14bits

Sampling Rate

250MSa/s

Vertical Resolution

14 bits

Sine

Harmonic
Suppression
Total Harmonic
Distortion

≥50dBc(<1MHz); ≥45dBc(1MHz~20MHz);
<0.5% (20Hz~20kHz,0dBm)

FY6600 Series User’s Manual

FeelTech
Square
Sawtooth wave

Rise/Fall Time

≤7ns (VPP<5V)

Overshoot

≤5%

Duty Cycle

0.01%~99.99% (Resolution 0.01%)

Linearity

>99% (0.01Hz~10kHz)

Output characteristics
Amplitude（VPP）

Frequency≤10MHz: 1mVpp~20Vpp;
10MHz20MHz: 1mVpp~5Vpp;

Resolution

1mV

Amplitude Stability

±0.5%/ 5 Hours

Amplitude flatness

±2.5%(<10MHz);±5%(>10MHz);

Waveform Output
Impedance

50Ω±10%（Typical）

Protection

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

DC Offset
Offset Range

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

Offset Resolution

1mV

Phase Feature
Phase range

0~359.99°

Phase resolution

0.01°

TTL Output
TTL Level Amplitude

>3Vpp

Fan-out

>8 TTL LOAD

Rise/Fall Time

≤10ns

CMOS Output
Low Electric Level

<0.3V

High Electric Level

1V~10V

Rise/Fall Time

≤18ns

External Measurement
Function

Frequency, Period, Positive/Negative Pulse Width, Duty Cycle

Input Voltage Range

1Vpp~20Vpp

Frequency Meter

Resolution

0.01Hz (Gate Time = 100S)

Range

0.01Hz~100MHz

Sensitivity

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

FY6600 Series User’s Manual

FeelTech
Counter
Period
Pulse Width
Duty Cycle

Range

0-4294967295

Coupling

DC, AC

Working Mode

Manual

Measurement Range

5ns ~ 20s

Measurement Range

0ns ~ 20s

Resolution

5ns

Range (Display)

0% ~ 100%

DC coupling
measurement

Sweep
Carrier Waveform

Sine, Square, Ramp, Arbitrary (except DC)

Sweep Type

Linear or Logarithm

Sweep Direction

Up, Down and roundtrip sweep directions;

Sweep Objects

Frequency, Amplitude, Offset, Duty Cycle

Sweep Time

0.01S~999.99S/Step

Setting 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

0-2000Hz

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) by
external analog signal.

Modulation
Modulation Type

AM, FM, PM, ASK, FSK, PSK

Carrier Waveform

Sine, Square, Triangle, Ramp, Arbitrary waveform (Except DC)

AM
Source

Internal (CH2) / External (VCO IN Port)

Modulating Waveform

Sine, Square, Triangle, Ramp, Arbitrary waveform

Depth

0% to 120%

Modulating Frequency

Internal : 1μHz~1MHz; External: 1μHz~2KHz;

FM
Source

Internal (CH2) / External (VCO IN Port)

Modulating Waveform

Sine, Square, Triangle, Ramp, Arbitrary waveform

Modulating Frequency

Internal : 1μHz~1MHz; External: 1μHz~2KHz;

PM
Source

Internal (CH2) / External (VCO IN Port)

FY6600 Series User’s Manual

FeelTech
Modulating Waveform

Sine, Square, Triangle, Ramp, Arbitrary waveform

Phase Deviation

0° to 360°

Modulating Frequency

Internal : 1μHz~1MHz; External: 1μHz~2KHz;

ASK
Source

Internal (CH2), External (ASK IN Port), Manual

Modulating Waveform

Square with 50% duty cycle.

Key Frequency

1μHz~10MHz

FSK
Source

Internal (CH2), External (FSK IN Port), Manual

Modulating Waveform

Square with 50% duty cycle.

Key Frequency

1μHz~10MHz

PSK
Source

Internal (CH2), External (PSK IN Port), Manual

Modulating Waveform

Square with 50% duty cycle.

Key Frequency

1μHz~10MHz

Burst Function
Carrier Waveform

Sine, Square, Ramp, Arbitrary (except DC)

Burst Count

1~1048575

Trigger Source

Manual, Internal, External (AC/DC)

General Specifications
Display
Save & Load

Interface

Type

2.4 inch, TFT Color Display.

Amount

Position

01 to 20 (01 for start default value)

Type

USB to Serial interface

Protocol

Command line mode, providing communication protocols.

Communicating Speed

9600bps (Industrial standard)

Power

Voltage Range

Technic

SMD, LSI, Reliable and durable

Buzzer

Can be turned on/off by setting.

Operation

Buttons and knob continuously.

Environment

Temp.: 0~40℃, Humidity: ﹤80%

Size

200mm * 190mm * 90mm (L * W * H)

Weight

850g

Package Size

25cm * 21cm * 10cm (L * W * H)

Package Weight

0.98kg(Main engine, accessories and packing materials)

FY6600 Series User’s Manual

AC100V~240V

FeelTech

Appendix
Appendix A：Safety Notes
1. Before using this instrument, please check if the power supply is normal, to
ensure 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 be
referred 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 and
employees 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
Model
FY6600 Series DDS Signal Generator
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.

Quantity
1
1
1
2
1
1

Appendix D：Warranty
FeelTech warrants that its products mainframe and accessories will be free
from 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 caused
by misuse, vandalism, improper maintenance or force majeure are not covered by
the warranty. Any disassembly or amendment without permission will be deemed
giving up warranty rights consciously.

FY6600 Series User’s Manual

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