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Re: [Discuss-gnuradio] Re: how does software radio works.

From: Eric Blossom
Subject: Re: [Discuss-gnuradio] Re: how does software radio works.
Date: Mon, 23 Jul 2001 16:53:39 -0700
User-agent: Mutt/1.2.5i

On Mon, Jul 23, 2001 at 04:49:21PM -0700, Benjamin J. Tarval wrote:
> > From address@hidden  Mon Jul 23 13:55:00 2001
> > Message-ID: <address@hidden>
> > 
> > Thanks Ben,
> > 
> > I concur and am a big fan of the "extreme programming" point of view: 
> > 
> >     What's the simplest thing that could possibly work?
> > 
> > Eric
> I suspect a Soundblaster card with an antenna on it. And the appropriate
> circuitry to interface the antenna with the card.
> Towards that goal, I'm moving towards hooking up the Line-Out of an 
> ordinary radio (receiver-only) with the Line-In of the Soundblaster. 
> That, at the least, will allow me to work with getting some of the pspectra 
> code working with ALSA. I'm targeting VrAudioSource for starters.
> Does this sound like a reasonable plan to start with? Please let me know
> your thoughts ASAP, as I've now got all the hardware and software ready to 
> go, 
> and was planning on starting on it tomorrow.
>       -ben-

Works for me, though I'd probably start with output first, since it's
easy to generate a 350 Hz sine wave at 8000 samples/second for
testing.  FWIW, US dial tone is 350 Hz + 440 Hz.  It's really easy to
tell if it's working or not...


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