[AMRadio] Modulator design needed

rbethman at comcast.net rbethman at comcast.net
Sun Mar 26 12:59:34 EST 2006


Take a look at a Heathkit Apache schematic, (TX-1), for ideas.

There is NO driver transformer.  The 5763 driver goes to the Mod transformer and the EL-34s feed it for audio.

Bob - N0DGN

 -------------- Original message ----------------------
From: "W1EOF" <w1eof at hamnutz.com>
> I've been gifted a nice mod transformer so I can build a modulator for my
> Johnson 6N2. I don't have a driver transformer so I'm looking for a design
> which doesn't need one. I'm sure the schematics are out there, but I keep
> finding ones with the driver transformer. Same with all my old radio books
> that I've looked at so far. Can someone point me in the direction of a good
> design that is online, or one that you can share with me via email? Thanks!

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