Re: Whisiling power supply

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Article #9088

#9088

From: Peter Brooks
Date: Thu, 20 Dec 1990 19:46

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I trust you mean that the noise is acoustic.  This used to be
a problem in cheap TVs, and the problem was with loose
laminations in the flyback transformer.  considering a
switching supply is similar, you might want to start there.

Pete Brooks

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From: brooksp@hpcc01.HP.COM (Peter Brooks)
Newsgroups: sci.electronics
Subject: Re: Whisiling power supply
Message-ID: <4450002@hpcc01.HP.COM>
Date: 20 Dec 90 19:46:57 GMT
References: <steveh.661527877@tasman>
Organization: HP Corp Computing & Services
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