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Subject: Re: Ceramic Capacitors
Date: Wed, 25 Sep 2002 11:37:46 +0100
Organization: Kijoma Solutions Ltd
NNTP-Posting-Date: 25 Sep 2002 10:38:40 GMT
X-Newsreader: Microsoft Outlook Express 5.50.4807.1700
you found nothing on the net?
try searching for "peizoelectric effect"
Kijoma Solutions Ltd
RF - Analogue - Digital - Software
Electronic Product Design & Consultancy
Email : news@kiSPjoAMma.com ( remove the spam)
There are only 10 types of the people in the world
those who understand binary and those who don't
"dhrm77" wrote in message
> I just found out that ceramic capacitors can exibit a piezoelectric effect
> that in presence of mechanical vibrations on a board, can produce
> noise on a line that the capacitor is suppose to decouple...
> The phenomenon may not be negligeable on big size surface mount caps.
> The paper said "some" ceramic capacitor..
> Does anyone have any information on precisely what kind of ceramic
> would particularly exibit this behavior ? ( NPO, X7R, X5R, Y5V, Z5U ...
> Searches onthe net didn't bring anything relevant.
> Thanks in advance.
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