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~FY21xxS series direct digital synthesis signal generator use DDS technology and FPGA design with the characters of high stability and low distortion ect.,with the function of TTL output and 60MHz frequency meter.It can output Sine wave, Square wave (Duty cycle adjustable from 1% to 99%) and Triangle wave (include sawtooth wave). Maximum effective output is greater than 9Vpp with resolution of 0.01Hz (10mHz). Output amplitude and DC offset can be adjusted continuously. It has two sweep functions, linear sweep and logarithmic sweep. the start and end frequency and sweep time can be set at will. It’s the ideal equipment of electronic engineer,
laboratory, production lines, the teaching and scientific research.

It has excellent technical indexes and function features:
◆High frequency accuracy: ±5×10－6
◆High resolution: 10 MHz
◆All range continuously adjustable, digital setting.
◆High waveform accuracy: The output waveform synthesis by calculating function.
◆3.3V TTL electric level output.
◆Several different waveform: Sine wave, Square wave (Duty cycle adjustable) and Triangle wave (include sawtooth wave).
◆Sweep function: Linear sweep, Logarithmic sweep. Starting and stop points can be set optionally.
◆Save function: 20 sets of parameters defined by the users can be saved and loaded anytime.
◆Operation mode: Button controlled, LCD display, digital setting, knob adjusted continuously.
◆Output mode：Standard BNC port output.
◆Highly reliable：Large scale integrated circuit, Surface mounting technology, reliable and durable.
◆Frequency measurement：Frequency of internal / external signal can be measured through built-in 60MHz frequency meter.

Main technology indexes                                      
◆Signal Output function
         Output waveforms             Sine wave, Square wave (Duty cycle adjustable)
                                       and Triangle wave (include sawtooth wave)
           Output amplitude             ≥9Vp-p (signal output, no load)（MAX）
                                       ≤20mVp-p (MIN)
           Output impedance              51Ω±10%(signal output)
           DC offset                     ±2.5V(no load)
           Frequency range                0.01Hz ~ 2MHz  (FY2102S)
    0.01Hz ~ 5MHz  (FY2105S)
    0.01Hz ~ 8MHz  (FY2108S)
    0.01Hz ~ 10MHz (FY2110S)
           Resolution                    0.01Hz(10mHz)
           Frequency accuracy             ±1×10－6
           Frequency Stability             ±5×10－6/3 Hours
           Sine wave distortion            ≤0.8% (reference frequency is 1kHz)
           Triangle linearity               ≥98%  (0.01Hz~10kHz)
           Rise and fall time of square wave  ≤100ns
           Square Wave Duty range         1%~99%(digital control mode)

TTL Output function
Model No. Frequency range Sweep function Amplitude Fan Out
FY2102S 0.01Hz----2MHz yes 
>3Vp-p
 >20 TTL loads
FY2105S 0.01Hz----5MHz yes  
Fy2108S 0.01Hz----8MHz yes  
FY2110S  0.01Hz----10MHz yes  

COUNTER function
           Counter Range                 0-4294967295
           Frequency Meter Range          1Hz~60MHz
           Input Voltage Range             0.5Vp-p~20Vp-p

SWEEP function
         Sweep mode                   Linear sweep, Logarithmic sweep
Sweep range                   fM1 to fM2
           Sweep time                    1s~99s
Others
          Display                   LCD1602
           Save and Load Parameter     M00-M19(M00: default load)
           Size                     200mm(Length)×190mm(Width)×90mm(Height)
           Buzzer warning tone        Can be turned On/Off by setting
           Production technology      Surface mounting technology, large scale integrated
                                    circuit, reliable and durable
           Operation feature          Button-controlled, Knob-adjusted continuously
           Conditions requirement     Temp: 0~40℃   Humidity: ﹤80%