That’s likely just the TX Lo leakage. I’m guessing it a a lot weaker than when you’re actually transmitting?
Sent from my iPhone > On Mar 3, 2021, at 3:42 AM, Kelvin Lok via USRP-users > <[email protected]> wrote: > > > Hi everyone, I am facing an unexpected problem where my B205mini USRP is > continuously transmitting a tone (that I set initialised as the tx freq), > even when my parent program has crashed. My parent program is a C++ program > that calls uhd, but when the main program catches an exception and > terminates, the B205mini is still transmitting a tone. I observed this > behaviour by monitoring the TX output with a spectrum analyser. > > Does anyone have any ideas what could be the problem? Do I need to call a UHD > usrp destructor? I noticed that the example UHD programs don't need to > release or delete the uhd object. Hence I am stumped. > > > _______________________________________________ > USRP-users mailing list > [email protected] > http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com _______________________________________________ USRP-users mailing list [email protected] http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
