Re: Help on

[Marcus Müller]

Is 32k a supported sampling rate? Sounds two orders of magnitude too low.

On 27.03.22 21:22, Lorenzo Mainardi wrote:
> 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
> <fabian@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