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Re: [Discuss-gnuradio] Sample recording


From: Rob Judd
Subject: Re: [Discuss-gnuradio] Sample recording
Date: Sun, 04 Jan 2004 15:06:35 +1100

Hi MiB,

Yes, covering that sort of range requires downconverters for sure. I'm
running the SDR-1000 at http://www.flex-radio.com for the first 70MHz
and plan to add more boards to get to at least 1GHz myself.

Rob VK3XVK



MiB wrote:
> 
> I my case I need to cover 30.-2000 Mhz and need
> probably a cascade system if no other alternative is possible. Any hints for
> this?
> 
> SM0UGT
> 
> ----- Original Message -----
> From: "Rob Judd" <address@hidden>
> To: <address@hidden>
> Sent: Friday, January 02, 2004 5:20 AM
> Subject: Re: [Discuss-gnuradio] Sample recording
> 
> > HowChee,
> >
> > The bandwidth required to download such signals would be enormous. You
> > can do a lot with a simple receiver with a homemade IF set to half the
> > nyquist frequency, in your case 12kHz.
> >
> > Rob
> >
> >
> > How Chee Hew wrote:
> > >
> > > Hi,
> > >
> > > A friend introduce to me the concept of software
> > > radio.  I became interested and was trying to capture
> > > the FM composite signal off my TV/FM tuner card using
> > > the PC sound card. Since the sound card sampling rate
> > > is only 48 kHz, I can get only the L+R channel and the
> > > the pilot tone but not the rest (RDS and L-R) .
> > > Getting the GNURadio 20 MHz ADC will be too expansive,
> > > at least for me.
> > >
> > > Does/Can GNURadio provide sample recordings of the
> > > signal (e.g FM composite at IF and baseband, AM, RTTY,
> > > HDTV signal plus whatever signal that can received) so
> > > it can be used for research and for fun as for my
> > > case.
> > > If the samples are already available, can someone
> > > point me there.
> > >
> > > Regards,
> > > HowChee
> > >
> > > __________________________________
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> >
> >
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> >




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