I have a Rev 4 USRP2 board with a WBX daughterboard. I want to write a
loopback test from the “TX/RX” port to the “RX2” port, just to transmit
1 MHz + 3 MHz multi-tone signal, modulated up to 2.2 GHz, and then
and write it to disk. Can I directly connect the two ports together, or
need to insert an attenuator in between the ports?? Is there anything I
be aware of before running this basic loopback test?? I really
advice. Thanks a lot.