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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