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Old 8th Jul 2020, 5:36 am   #29
Diabolical Artificer
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Join Date: Jul 2009
Location: Sleaford, Lincs. UK.
Posts: 5,452
Default Re: High voltage regulator circuit.

+/- 5% David according to yon datasheet for the 807. However this is for AB2 conditions, so I don't need that level of accuracy right now but while I'm at it.... "My guess is you are seeing the effects of the current-limiting resistor, not Zener variation" could be.

"To get better performance you will need feedback but that doesn't have to be an op-amp" I'm all ears Dave 2.

Andy.
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