Re: [SI-LIST] : A Question About Power Noise.

Mark Randol ([email protected])
Wed, 17 Mar 1999 12:26:47 -0700

Pat Zabinski wrote:
> Quite a few years ago, I performed a small study on capacitors
> used for decoupling, and the results showed:
> * given the same package style/size, use as large as
> capacitance as available (i.e., decreases impedance)

As long as the capacitor still is capacitive and not inductive at the
frequency of interest, yes.

> * use the smallest package size that you can (i.e.,
> extends usable frequency range)

Which ties into #1.

Mark Randol, RF Systems Engineer        | Motorola SPS, Inc.
(602)413-8052 Voice                     | M/S EL379
(602)413-4150 FAX                       | 2100 E. Elliot Road
[email protected]                | Tempe, AZ 85284

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