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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