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AD9364 Zynq Xilink MATLAB TOOLBOX Problem with spectral lobes

Question asked by antonioalex on May 30, 2017
Latest reply on May 30, 2017 by sripad



I am trying to calibrate the FMCOMMS4 (AD9364 transceiver) board, programmed with Xilinx Zynq MATLAB toolbox. After  setting up the 'GainSource' parameter to 'Manual' with 0 dB, I send a tone with the function generator, try to receive it in RXA port and then I plot the spectrum of the tone. I have checked it out that when I choose a 'BaseBandSampleRate' higher than 10 MHz two strange lobes appear at the ending of the effective filter (I think it is caused by decimate). Do you know how to eliminate it?.


Thanks. I attach some photos about the problem and the MATLAB code.