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Re: question for Eli...

You are using a choke I/P filter, aren't you?

Turn on surges are something seen when cap. I/P filters are used.

Also, to properly simulate real world operating conditions, a breadboarded choke I/P filter must be loaded down. A 10 H. 1st inductor needs a 10 KOhm HIGH wattage resistor in parallel with the 1st filter capacitor. By hook or by crook, the critical current must be drawn in order to obtain good regulation. If the critical current is not drawn, cap. I/P filter behavior is observed.

Eli D.


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