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[AMPS] Shunt regulated high voltage psu

To: <amps@contesting.com>
Subject: [AMPS] Shunt regulated high voltage psu
From: gdaught6@leland.stanford.edu (George T. Daughters)
Date: Tue, 29 Jan 2002 14:40:15 -0800
On 29 Jan 02, at 14:28, rich wrote:

< snip >

> To do the job at hand, a zener must exhibit a high dynamic resistance
> with only a small change in V.  Otherwise it would not be able to
> maintain a constant V as the screen current varies. 

No.  That's a SMALL dynamic resistance. You want delta V to be small 
with a given delta I.  

Dynamic Resistance = (delta V)/(delta I)  

Good voltage regulation is "constant V as the ... current varies"... 
Rich has that right, but that's LOW dynamic resistance. 

73,
 
George Daughters, K6GT


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