[K6BW] Homebrew SSB Transciever for portable Digital Application

[W B Reese]

Dear Bill & the Gang,

Here is a thought.

I have a Heath GR-81 regren receiver.  It's very nice with isolation 
transformer, one stage of audio amplification, and a very nice cabinet with 
included loudspeaker,  I believe you can pick them up for about $25 and it 
might be a very nice starting point for such a project as this.

My GR-81 sits on my desk at work and I listen to KUBA Yuba City almost 
every day, it makes my life more pleasant.

TR WB6TMY

At 07:36 PM 4/25/2004 -0700, you wrote:
>Thought it might also be useful as a QRP rig for Field Day, here is a 
>circuit for an 80 meter SSB transceiver.  The concept is to marry this 
>unit together with a laptop computer or Palm Pilot to make a low-cost, 
>very portable, battery-operated field station with MT-63 or PSK-31 text 
>transmission capability.   Target cost is $100, though don't know if the 
>entire station can be built for that amount.  Perhaps it could be possible 
>with visits to swap meets, or use of refurbished Palms.
>
>I don't think a circuit board is available, but there is a beautiful 
>picture of a prototype built on a Radio Shack circuit board (not sure I 
>recommend that board, though).  Also, if it is to be used for PSK-31 or 
>MT-63, it may be useful, but not necessary, to replace the mechanical 
>switches with reed relays (or other) so that transmit can be software 
>controlled.
>
>http://www.qrp.pops.net/Idaho.htm
>
>Another idea worth exploring is a DDS transceiver (all digital).  Think 
>experiments/development is underway.  Haven't explored Internet fully to 
>find out, though.  DDS, if available would really be the way to go!
>
>Regarding this project.  Might we make this a club project?  Are you 
>interested in getting together and putting this assembly together as a 
>group?  Please send your thoughts to the reflector.  k6bw@mailman.qth.net
>
>73 de Bill, AB6MT
>billsmith@ispwest.com
>
>
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