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Subject: Re: Decoupling Caps And Via's
Date: Wed, 25 Sep 2002 12:08:37 +0100
Organization: Kijoma Solutions Ltd
NNTP-Posting-Date: 25 Sep 2002 11:09:06 GMT
X-Newsreader: Microsoft Outlook Express 5.50.4807.1700
At 10MHz probably not.
at a few GHz yes!
If its a high frequency application then use more than one small via hole to
reduce the impedance.
The inductance of the capacitor will dominate then.
Kijoma Solutions Ltd
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"Geraldo Sazias" wrote in message
> What is the effect of placing decoupling caps on the other side of the
> and using via's to wire it to the IC if the cap is close to the IC pin? I
> assume it will increase the impedance but is it big enough to render the
> decoupling ineffective?
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