Get a softrock 40. I/Q sampler based on the quadrature sampling detector (fully balanced. Virtual ground, thus not Tayloe). High performance, good sensitivity. Yields I/Q in stereo audio for baseband processing. If you already have a USRP, get the LFRX.
http://groups.yahoo.com/group/softrock40/ http://www.amqrp.org/kits/softrock40/ Frank Brickle and I wrote the SDR core for the software in the GUI shown in the second link (PowerSDR). Bob McGwier ARRL SDR Working Group Chair Member: ARRL, AMSAT, AMSAT-DL, TAPR, Packrats, NJQRP, QRP ARCI, QCWA, FRC. "Trample the slow .... Hurdle the dead" From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of sriram s Sent: Tuesday, September 02, 2008 12:33 AM To: [EMAIL PROTECTED] Cc: gnu radio Subject: [Discuss-gnuradio] Re: gnu radio with a soundcard Hi, You could try tapping the IF out of an old radio (which uses FETs) . But you will need a mixer and band pass filters to bring the signal down to a range which your soundcard can handle. Regards, Ram On Sat, Aug 30, 2008 at 11:25 PM, Mathew George <[EMAIL PROTECTED] <http://us.mc592.mail.yahoo.com/mc/[EMAIL PROTECTED]> >wrote: > Hi all, > > Can someone explain how we may build a FM/SW receiver using A/D D/A > converter in a sound card and minimal additional hardware? Somewhere I have > read that this is possible, in principle, but could not yet gather info > suitable for a novice. > > Thanks for the help. > > Cheers, > Mathew > > ------------------------------ > Movies, sports & news! Get your daily entertainment fix, only on <http://live.com> live.com Try > it now! < <http://www.live.com/?scope=video&form=MICOAL> http://www.live.com/?scope=video&form=MICOAL> > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org <http://us.mc592.mail.yahoo.com/mc/[EMAIL PROTECTED]> > http://lists.gnu.org/mailman/listinfo/discuss-gnuradio > >
_______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
