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AD9361 transmit

Question asked by jiezhang on Apr 1, 2016



I am designing my SDR system in TDD mode by using AD9361. currently, AD9361 can receive the signal sent from AD-FMCOMMS3 EBZ. But when I used other board from my design, the received cosine signal suffers from seriously distortion, whereas perfect when received from AD-FMCOMMS3 EBZ. So I conclude that there are some wrong with my transmitter.


Can you give me any hint in AD9361 configuration or anything else?


Here are the figures shown the received cosine signal I captured via ILA when I transmit ideal cosine signal.



Many thanks.