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Re: Question and an interesting site for those that modify CDV700s and more.IF th


 

Dear Geo,

How about a rotary selector switch with different combinations of
zeners to select voltage on the fly? Old style would be a rotary
rheostat, but that would waste energy or not be practical at these
voltages and space considerations.

~Cliff

On 4/5/22, Geo Dowell <GEOelectronics@...> wrote:
not a problem P. Just curious.
Already got more projects than space-time

Well, 1 ma min isn't going to do me any good with 1kV or 2kV bias supplies..
Back to the ol' op-amp + 1G resistor.



Geo

"peter via groups.io" <epkoncept@...>
To: "CDV700CLUB" <[email protected]>
Sent: Tuesday, April 5, 2022 6:50:14 PM
Subject: Re: [CDV700CLUB] Question and an interesting site for those that
modify CDV700s and more.IF th

Geo:
Sorry I don't remember the part numbers. I saw an announcement by Microchip
a while ago, but I can't find it, must have been vapor.
TI has a TL783 ( 125V) but its a series and not a shunt regulator. Sorry
P







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