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September 4th 03, 04:33 AM

Mike Knudsen

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In article ,
(Michael Black) writes:

Also noteworthy is that the high voltage for the final was generated
by the modulator stage. The transmitter was transistorized up to
the final, and so was the modulator. There was a separate winding
on the modulation transformer, which fed a rectifier and filter capacitor,
and that supplied the high voltage to the final amplifier.

Wow. Does this mean that the listener receiving would see a "carrier
controlled" effect (well known from the DX-40 and -60 Heathkit rigs), whereby
the S-meter would pump up with the modulation? It appears that the final plate
voltage would vary a lot with the audio. Actually not a bad idea, though a lot
of extra work for the modulator.

--73, Mike K. AA1UK

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