[SI-LIST] Re: Power Supply Distribution/Filtering/Decoupling Guide

  • From: "Martin Euredjian" <martin@xxxxxxxxxxxxxx>
  • To: <si-list@xxxxxxxxxxxxx>
  • Date: Mon, 12 Jan 2004 20:29:08 -0800

Chris Cheng wrote:

> there is
> never a need for fancy decoupling scheme on PCB for properly design
> processor and package.

How, then, does one go about evaluating the problems (if there's one at
all)?  As a consumer of chips --without access to internals-- it seems to me
that the only choice you have is the empirical:  build, test, measure,
correct, repeat.  Board spins are expensive, particularly in the low-volume
world.  It might be much easier to pepper the board with a bunch of
inexpensive "insurance" capacitors.

Martin Euredjian
eCinema Systems, Inc.
voice: 661-305-9320
fax: 661-775-4876

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