Recevied signal from ARM is not correct

Hi,

I have zedboard and AD9364. I am trying to reproduce the Matlab example in ARM in C code: Receive Tone Signal Using Analog Devices AD9361/AD9364: ww2.mathworks.cn/.../receive-tone-signal-using-analog-devices-ad9361-ad9364.html

------------------- My parameters are:

uffer length of Tx and Rx is: 256

echo fast_attack > in_voltage0_gain_control_mode

-------------------------------

echo 30000 > out_altvoltage0_TX1_I_F1_frequency

rxcfg.bw_hz = MHZ(2); // 2 MHz rf bandwidth rxcfg.fs_hz = MHZ(2.5); // 2.5 MS/s rx sample rate rxcfg.lo_hz = GHZ(2.4); // 2.5 GHz rf frequency rxcfg.rfport = "A_BALANCED"; // port A (select for rf freq.)

// TX stream config txcfg.bw_hz = MHZ(2); // 1.5 MHz rf bandwidth txcfg.fs_hz = MHZ(2.5); // 2.5 MS/s tx sample rate txcfg.lo_hz = GHZ(2.4); // 2.5 GHz rf frequency txcfg.rfport = "A"; // port A (select for rf freq.)

I can successfully send the data from receiver on ARM to host PC by UDP. The received signal on host PC is:

Do you have any idea about my issue?

Best Regards,

Ardeal