John Lyles wrote in part:
> The Continental supplies do this, and also can switch on and off
> at 70 Khz or so, so as to be able to recreate audio voltage at the
> anode of a PA tube.This does high level plate modulation.
Actually they don't all operate at 70 kHz. The end result is as you
describe but each individual switch operates at 70 / 48 kHz. This
allows the use of switches that have a relatively long on-off time.
They "rotate" as you describe in your unit.
- Jim WB6BLD
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