Speaking of Merlins

[Rene Schmitz]

At 22:15 07.02.1998 +1030, you wrote:
>Y-ellow Y'all.
>        If memory serves correct, zeners drift with temperature. Is this so
>and by how much? 

Hmm, If I remember it right the zener-diodes use 
two different physical effects, first the zener effect
(from 0 to about 6V) and secondly the avalanche effect (from 6V on).
The Zener effect and the avalanche effect have opposite drift, 
so the most stable zener-diodes are arround 5.1 to 6.2V. 
Zener-type zener diodes have decreasing voltage with increasing 
temperature. Avalanche-type zener diodes (Hell, what a confusion!!!!) 
have increasing voltage with increasing temp.

Hope its not to confusing...

Bye
  Rene

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