W0UN -- John Brosnahan wrote:
> I have looked in the amps reflector as well as in the ARRL index for
> QST and QEX
> and I have been unable to locate an article that I would like to read
> again. This is
> especially frustrating since I made a copy of it and put it SOMEWHERE and can
> not find the copy either.
>
> It was probably 5 to 10 years ago (but not sure) and the article was
> on regulating
> a HV supply using AC mains control. It had an SCR or Triac controller on the
> AC mains not unlike a basic lamp dimmer circuit and sampled the HV output
> with a voltage divider that drove an op amp and that controlled the
> SCR/Triac.
I think there was such an article in VHF Communications some years ago.
Steve
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