[AMPS] Shunt regulated high voltage psu

[George T. Daughters]

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


--
FAQ on WWW:               http://www.contesting.com/FAQ/amps
Submissions:              amps@contesting.com
Administrative requests:  amps-REQUEST@contesting.com
Problems:                 owner-amps@contesting.com