Re: [SI-LIST] : What's your favourite Screwy SI Concept?

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From: Lee Ritchey (leeritchey@earthlink.net)
Date: Wed Jan 05 2000 - 09:25:08 PST


I agree. Also, this series resistance causes the Q of the parallel resonant circuit formed by the parasitic inductance of the capacitor an the powerplane
capacitance to be lower. The resulting resonant impedance peak this causes in the power subsystem is reduced.

rbmccammon@mmm.com wrote:

> Andrew Phillips wrote:
> > I would be interested to hear other people's favourite 'Screwy SI
> > Concept' - why its screwy and why you think it has hung around in the
> > literature confusing everybody.
>
> I nominate "Extremely low series resistance is important in a bypass
> capacitor."
>
> Once you launch a transient into a power distribution system, it
> has to be dissipated by something. A little series resistance
> can be a good thing.
>
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