Re: [SI-LIST] : Power-plane resonance article

Mike Mayer ([email protected])
Tue, 15 Sep 1998 09:34:54 -0500 (CDT)

= As a matter of curiosity I was wondering how many of the si-list subscribers
=involved with high performance systems are currently modeling the effects of the
=power distribution system in their design work. Any comments why or why not ?
=What kind of tools do you use ? Difficulties encountered ?

This is a second try -- the "From" line from our domain is different
than when I first subscribed to this group.

I am looking into trying to model the power planes in an upcoming
design. I have no trouble modelling the capacitors and the planes, but
getting a "good" model for the power supply and the devices is not as
easy to do. I'll probably end up using what I can find and trying to
correlate the simulated results with the actual board.

One item I picked up in an IBM app note was the idea of putting the
pads in place for an SMA connector connected directly to the
planes. It should make it easier to connect to the planes without
picking up noise.

Mike Mayer                               Artesyn Communication Products, Inc
                                         Madison, WI

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