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ATTEN ATF20D Signal Function Generator

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ATFxxD series Function Generator(ATF20D,ATF40D) uses Direct Digital Synthesis(DDS) technology. Its outstanding performance and system features make it a perfect solution for your testing requirement. The simplified and optimized design of the front panel dual-language(English/Chinese) TFT display interface make your testing much easier for operation and observation. Additionally, the extendable optional functions can also improve your system characteristics.


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ATTEN ATF20D 180Msa/s 10 bits Sine/Square/Pulse/DC Function Generator

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Additional Info

Additional Info

Size No
Main Features
  • Direct digital synthesis(DDS) technology,2 independent output channels
  • 3.5-inch TFT LCD display
  • 32 kinds of standard or build-in fixed waveforms
  • Minimum stable output waveform:1mV(50Ω)
  • Multiple modulation functions: FM, FSK, ASK,PSK
  • Frequency sweep, amplitude sweep, burst and A+B functions
  • Count the frequency, period, amplitude RMS value or peak-to-peak value
  • Over voltage, over current, short circuit protection, reverse voltage protection
  • Optional configuations:RS232interface,USB interface, frequency  counter, Power Amplifier
  • Specifications

    Waveform type


    Waveform length

    4~16000 points



    Sample rate


    Waveform amplitude resolution

    10 bits

    Sinusoidal Harmonic Rejection


    Sine wave Total distortion


    Pulse wave and square wave

    Rise or fall time: ≤20ns,overshoot

    Square wave duty cycle


    Frequency range

    40mHz~the maximum frequency,resolution 40Mhz


    Frequency accuracy


    Amplitude range

    2mVpp~20Vpp(high impedance)

    Resolution: 20mVpp(>2V),2mVpp(<2V)

    Amplitude resolution


    Amplitude accuracy


    Amplitude flatness

    ±5%(freq.<1MHz), ±10%(freq.1MHz~10MHz)


    Amplitude stability


    Output impedance


    Sine wave amplitude setting range

    1mVpp~10Vpp,when output freq. ≤10MHz

    1mVpp~5Vpp,when output freq. ≤40MHz

    1mVpp~2Vpp,when output freq. ≥40MHz

    Amplitude setting range

    2mVpp~20Vpp,when output freq. ≤10MHz

    2mVpp~10Vpp,when output freq. ≤40MHz

    2mVpp~4Vpp,when output freq. ≥40MHz

    Offset range

    ±10V(high impedance)

    Offset resolution


    Offset accuracy


    Sweep type

    Linear sweep of frequency of amplitude

    Sweep range

    Free to set the start and stop points

    Sweep step

    Larger than any figure of the resolution

    Sweep rate


    Sweep mode


    Manual sweep


    Modulation signal

    Internal or external waveform

    FM Deviation


    Modulation signal

    Internal or external waveform

    FM Depth



    Free to set hop and the carrier frequency


    Free to set hop and the carrier amplitude


    Hop Phase:0~360,max resolution:11.25

    Alternate rate


    Package Including
  • 1 x ATTEN ATF20D 180Msa/s 10 bits Sine/Square/Pulse/DC Function Generator
  • 1 x Original Package
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    Shipping and Payments

    Shipping and handing

    Item location: International warehouse

    Shanghai, Australia, United Kingdom, Germany, United States

    Free Shipping to: Worldwide


    China, Hong Kong SAR China, India, Indonesia, Japan, Macau SAR China, Malaysia, Philippines, Singapore, South Korea, Taiwan,Thailand, Vietnam


    Austria, Belgium,Denmark, Finland, France, Germany, Greece, Hungary, Ireland, Italy,Netherlands, Norway, Poland, Portuga,Spain, Swaziland, Sweden, Switzerland, Ukraine,United Kingdom,Turkey


    Canada, United States


    Australia,New Zealand

    Shipping and handing to Service Delivery*
    Free Shipping Worldwide Express Shipping Estimated 3-9 days

    Estimated delivery dates include our handling time, and will depend on shipping service selected and receipt of cleared payment. Delivery times may vary, especially during peak periods.

    Handing time Estimated Time
    Will usually ship within 1 business day of receiving cleared payment. Estimated time table


    Return policy

    After receiving the item Refund will be given as Return shipping*
    30 days Money Back We pays return shipping

    * include our handling time, and will depend on shipping service selected and receipt of cleared payment. Delivery times may vary, especially during peak periods.


    Payment details

    Payment metod Preferred / Accepted
    StoreInfinity payment method or Bank Transfer Paypal preferred