• AD9271: FAQ

    FAQ

  • AD9271 Output Varying by up to 10% from channel to channel

    Q 

    I am seeing a variation in outputs from channel to channel when I input the
    same signal on all channels. The variance is around 10%.

     

    A 

    If the input is DC coupled into the ADC, then the channels will have different
    offsets, and the offset will be…

  • How to use AD9271

    Is it necessary to configure AD9271 when using it?

    Now, I control AD9271 through FPGA, only DCO and FCO have clock output, but DOUTx has no output (a high level). 

    How can I solve this problem?

    Thank you.

  • AD9271

    我是学生，第一次用AD9271，想要采集正弦波。使用FPGA控制AD9271，DCO和FCO输出都正常，但连接1MHz的正弦波时DA输出与不连接输入信号时一样，都是只有一个持续的脉冲信号，不知道哪里出了问题，希望大家给我一些建议

  • RE: AD9271 digital output

    Hi Viet,

    Thank you for your question. Would you please confirm what information you are looking for?

    Thank you.

    Doug

  • RE: DCO signals from the AD9271

    This question has been assumed as answered either offline via email or with a multi-part answer. This question has now been closed out. If you have an inquiry related to this topic please post a new question in the applicable product forum.

    Thank you,
    …

  • AD9271-BSVZ25 SPICE MODEL?

    HI EVERYONE. MY QUESTION IS HOW I CAN ACCESS AD9271-BSVZ25 SPICE MODEL? I DIDN'T FIND PLEASE HELP ME. THANK YOU

  • AD9271 digital output

    Hi EngineerZone,

    I am doing a sinewave capture test using the AD9271 ADC (25 MSPS variant) in my data acquistion system. For this I am applying a 1MHz ac coupled 100mVpp sinewave to two channels of my AD9271, with the remaining six channels left unconnected…

  • SPI configuration to ADC/AD9271 fails

    I am using two AD9271 chips to construct a 16 channels DAQ device. The ADC chips were controlled through FPGA. Recently I found that I can read the memory map register value from either of the chips, but the writing commands to the chips were just ignored…

    • attachment.ppt

  • RE: AD9371 for GNSS

    Hello Srimoyi -

    I am using group delay as comparison but this phenomenon is not actually group delay, as it does not vary by frequency.  It changes to a new discrete delay each time the AD9271 is powered up. There are some number of delay states and the…