[chbot] OT: SDR

[Paul Davey]

What this does is bypass the tuner entirely, if you put an ESD diode on
your new connection it will then have ESD protection, also note that a
number of the dongles do not actually have the ESD diode installed.

On Wed, Jan 2, 2013 at 9:16 AM, Solor Vox <solorvox at epic.geek.nz> wrote:

>
> Paul, I did read about that one with the direct trace.  However, I also
> read that this removes the ESD protection and will most likely end up
> frying the chip.
>
> I have the R820T tuner and am able to do 22MHz-1.7GHz.  I haven't got to
> build my antenna yet.  So I am just using an indoor TV aerial to play with
> the SDR software.
>
> I've been having trouble with good software (drivers work well) on Linux.
>  I'd much prefer to use Gqrx on Linux... but I'm stuck using SDRSharp on
> Windows at the moment.  (Mono seems to hate Linux)
>
> Cheers
>
> On Tue, January 1, 2013 23:30, Paul Davey wrote:
> > By the way it is not necessary to use an upconverter for the 0-28.8MHz
> > band, there is an alternate branch of the librtlsdr library that can use
> > the RTL2832 in direct sampling mode and the internal DDC to get that
> band.
> >
> > This only requires an antenna feed into the RTL chip that bypasses the
> > tuner chip, so a spare RTL based stick can be used even if the tuner is
> > horrible.
> >
> > If you want the band between 28.8MHz and 54MHz though you would still
> need
> > an upconverter.
> >
> > Paul
> >
>
>
> --
> http://epic.geek.nz/
>
>
>
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