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AD9129 noise on output after pulsed CW

Question asked by iklink on May 1, 2015
Latest reply on May 4, 2015 by iklink



I have a problem with a board using the AD9129. I transmit a pulsed CW for a while and when I suddenly stop, e.g. I send zero's to the DAC, I see some noise appearing after about 1us, around 20mVpk-pk. Refer to attached screenshot.

When I only transmit zero's to the DAC, the output remains silent, no high noise shown.


Could this be some kind of artifact caused by the DAC itself?


Best regards,