Re: Help on

[Lorenzo Mainardi]

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
> >
>
>


-- 
LORENZO MAINARDI