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Subject: Re: Designing a switching power supply

Date: 11/05/03 at 9:22 PM
Posted by: Russ Kincaid
E-mail: russlk-nospam[AT55]yahoo.com (replace [AT55] with @ to reply)
Message Posted:

In Reply to: Re: Designing a switching power supply posted by Josh on 11/05/03 at 7:33 AM:

The problem is, that most of the noise generated by the switching supply is differential, not common mode. You need an L-C filter that cuts off well below the switching frequency.

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