Well assuming it doesn’t crash you can turn down the RF gain and tune it to an out of band frequency.
Sent from my iPhone > On Mar 3, 2021, at 9:32 AM, Kelvin Lok <[email protected]> wrote: > > > Thanks Marcus, I realised it might just have been the lo offset. Is there a > way to "turn off" the lo linkage to the front-end output whenever I'm done > with the usrp? Ideally, I would like to avoid power cycling the radio > whenever I'm done. > >> On Wed, 3 Mar 2021, 10:18 pm Marcus D Leech, <[email protected]> wrote: >> 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
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