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Subject: Re: Help with a power supply circuit

Date: 04/08/03 at 7:28 PM
Posted by: Russ Kincaid
E-mail: russlk@netzero.com
Message Posted:

In Reply to: Help with a power supply circuit posted by ramesh on 04/07/03 at 5:48 PM:

Using approximations, the average voltage across the 10 meg load is 8500 volts, so the discharge current is 850 uamp. Using the approximate relation: dE/dT = I/C then C = .04*850/3000 ufarad = .01 uf. evidently, it will take 850/50 = 17 times longer to charge the cap than to discharge it. I don't think there is a solution to the problem.

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