Quote:
Originally Posted by Skywave
Bazz: using Zener diodes for this application. I ruled that option out on two grounds:
1. Past experience showed that the temp. coefficient of H.V. Zeners seriously degrades the stabilized voltage;
2. I have more N.O.S. 0B2 valves in stock than I am ever going to need.
Al.
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To avoid that problem, use a longer string of lower voltage zeners. Distributes the dissipation as well so you can use lower power ones.