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Subject: Re: Designing a switching power supply

Date: 11/05/03 at 7:33 AM
Posted by: Josh
E-mail: jsmith2[AT55]actelesys.com (replace [AT55] with @ to reply)
Message Posted:

In Reply to: Re: Designing a switching power supply posted by Russ Kincaid on 11/04/03 at 5:26 PM:

We did. We had a common mode choke and a big 0.1uF 250V ceramic capacitor on the input. That puppy was still screaming. What else could we have done? Were there some equations we should have considered for choosing the values of our capacitor and common mode choke? IF you would have used other parts, what equations should we consider for the input and output filtering?

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