[AMRadio] 833 AM rig


John Lawson jpl15 at panix.com
Sun Feb 8 17:39:43 EST 2009




  Here is a .pdf of the RCA BTA1MX and BTA500MX 1KW AM transmitter - a pair 
of 833s modulating either one (the '500' model) or two (the '1' model) 
833s.


http://bama.edebris.com/manuals/rca/bta1mx/


   I've owned the 1MX; and soon to take delivery of a 500.


   An easy, simple, robust circuit - modify the input-output tanks for the 
ham bands and then the hardest part will be finding the modulator 
transformer - but if you intend make a single 833 amplifier-only rig, then 
that's not an issue.

  At any rate having a look over the schematic (on the very last two pages 
of the .pdf) will perhaps suggest a good "departure point" for your design 
efforts...



    Cheers

John KB6SCO
Carson City, NV
DM09fg



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