[Discuss-gnuradio] SDR in the HF band: a cheap solution.

[Maitland Bottoms]

Poul-Henning Kamp writes:
 > 
 > TenTec makes a a cheap computer-controlled DSP receiver called RX-320.
 > 
 > The receiver widely acclaimed for its basic qualities, and as a user
 > I can only agree: it does work great.
 > 
 > In the context of SDR it has a special quality: a 3rd stage IF
 > frequency of 12 kHz.
 > 
 > Internally they use a normal sound-card class chip for digitizing
 > that IF so they can feed it to the DSP for demodulation.
 > 
 > It is perfectly feasible to "steal" that IF signal, plug it into 
 > a PC's soundcard and do the demodulation yourself.
 > 
 > Full diagrams and technical information is available on the RX320
 > from TenTec's web-page. 
 > 
 > Highly recommended as a way to play to SDR demodulation.
 > 
 > Poul-Henning
 > 
 > PS: TenTec also have a tranceiver version of the same design, but
 > I don't have a HAM license and am not interested in transmitting
 > anyway.
 > 
 > -- 
 > Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
 > phk@FreeBSD.ORG         | TCP/IP since RFC 956
 > FreeBSD committer       | BSD since 4.3-tahoe
 > Never attribute to malice what can adequately be explained by incompetence.
 > 
 > _______________________________________________
 > Discuss-gnuradio mailing list
 > Discuss-gnuradio@gnu.org
 > http://mail.gnu.org/mailman/listinfo/discuss-gnuradio