R820T and Gnuradio
rsenykoff at gmail.com
Sat Nov 17 17:23:43 UTC 2012
Sorry I had been looking online for a list of all the arguments, then
smacked my forehead after hitting rtl_fm --help.... not sure if the same
-args apply via gnuradio but I'll see what I can do. I think something I
did has helped as the AGC pumping effect isn't happening to me any more.
On Thu, Nov 15, 2012 at 3:47 PM, Steve Markgraf <steve at steve-m.de> wrote:
> On 15.11.2012 21:11, Ron Senykoff wrote:
> > I have gnuradio running with the R820D DVB. Latest GQRX has the nice rf
> > gain inside which REALLY helps. Has this been merged over to gr-osmosdr
> > ? I recompiled probably just a few days, both from source.
> gqrx uses gr-osmosdr as source block, so it's identical.
> > I'm trying to figure out how to set gain from within gnuradio (is there
> > a argument I can pass the device in the source block?).
> Yes, the 'Gain' argument.
> > Also using the OSMOSDR block I still see an LO like spike right in the
> > middle.
> gqrx uses an internal DC offset correction algorithm, which you'd need
> to implement in your flowgraph as well if you want to remove the
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