Hello everyone,

I am developing a radar application with the USRP B200. For that purpose,
it is necessary that the phase difference between the TX and the RX local
oscillator remains constant in different frequencies (that is, I send a
pulse in a frequency, and after that, I change the frequency and send
another pulse, and so on...). The problem is that this phase difference is
not constant (even if I send the same frequency after I launch the program
two times).

I've tried to find information, and it seems that it is a hardware
limitation. However I still think that this should be possible (maybe is it
possible to use an external oscillator for both TX and RX?)

Thanks in advance,

Best regards,

Ismael.
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