On 10/25/2018 04:57 PM, Chatterjee, Pratik via USRP-users wrote:
Hi,
While testing the rfnoc_radio_loopback.cpp from the 6af6ac3 commit on
master, I found that if I send a 50 MHz signal on top of a 4 GHz
carrier to the SDR, on the loopback output I just get a 4GHz carrier.
I looked into the rfnoc_radio_loopback.cpp file and found no DDC or
DUC blocks. Could this be the reason for receiving no baseband signal
in loopback (no down conversion logic happening) or am I missing something
Has anyone used this file before? Arguments are as follows
./rfnoc_radio_loopback --rx-freq=4e9 --tx-freq=4e9 --rate=200e6 --spp=600
thanks,
VP
Your TX and RX frequencies are the same--how are you isolating the
antennae from one another? What happens if you make your
TX frequency different from your RX frequency (which is usually how a
repeater works).
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