The error about PLL should be just "cosmetic" and not have any impact. Anyway, I think I setup correctly both the correct frequency (I would like to test the broadband FM, so 100e6) both the sampling frequency (32k). The real issue is the "Return code -11" error, I cannot find anything about that.
Il giorno dom 27 mar 2022 alle ore 18:52 Fabian Schwartau <fab...@opencode.eu> ha scritto: > > Hi, > did you set the correct frequency? If it is outside the allowed range, > it is expected that the PLL cannot lock. > > Best, > Fabian > > Am 27.03.22 um 18:46 schrieb Lorenzo Mainardi: > > Hello everyone, I am trying to make a cheap USB dongle working with > > gnuradio and gnuradio-companion. > > I just tried to use a source block and link to a waterfall sink. > > This is the error that I got: > > > > <<< Welcome to GNU Radio Companion 3.10.1.1 >>> > > > > Block paths: > > /usr/share/gnuradio/grc/blocks > > > > Loading: "/home/lorenzo/Scaricati/fm_demod_mono.grc" > >>>> Converting from XML > >>>> Done > > > > Generating: '/home/lorenzo/Scaricati/top_block.py' > > > > Executing: /usr/bin/python3 -u /home/lorenzo/Scaricati/top_block.py > > > > gr-osmosdr 0.2.0.0 (0.2.0) gnuradio 3.10.0.0 > > built-in source types: file fcd rtl rtl_tcp uhd hackrf bladerf rfspace > > airspy airspyhf soapy redpitaya freesrp > > Using device #0 Realtek RTL2838UHIDIR SN: 00000001 > > Found Rafael Micro R820T tuner > > [R82XX] PLL not locked! > > [R82XX] PLL not locked! > > > >>>> Done (return code -11) > > > > What does this mean? How can solve this problem? > > The dongle is working fine with SDRSharp or rtl_fm. > > > > Thank you > > > > -- LORENZO MAINARDI
