Re: Help on

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
>>>
>>
>>
>
>