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AD9364 for Narrow-Band signals

Question asked by s.kannan on Jul 24, 2018
Latest reply on Jul 25, 2018 by travisfcollins

We are using AD9364 for Narrow-band FM(24KHz bandwidth) signal, what we observed is that when downconvert it to DC, we are seeing the performance degradation. Instead of directly down-converting to baseband, when we downconvert it to some 24KHz offset, the performance improved. I suspect that the Baseband DC calibration is causing the issue. Is there any way to reduce or mitigate this issue?

I tried changing the update rate in register 0x190 [D7:D5], but nothing improved much.