[SI-LIST] : Comments from your SI seminar

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From: Grasso, Charles (Chaz) (GrassC@LOUISVILLE.STORTEK.COM)
Date: Wed Oct 27 1999 - 11:21:01 PDT


A collegue of mine has recently taken your SI class.
In discussing the class with him I came across two
statements from the class that I would like to discuss
with you and others in the EMC profession.

Comment 1. On page 109 there is a slide that states:

Traces crossing cuts in planes can function properly.

Please explain your rationale.

Comment 2: On page 110 there is a slide title:

A bad grounding idea.

The picture is of a board with multiple ground connections
and distances maked off as lambda/20

Clearly this is a shot at the multiple stitching concept that
is prevalent in the EMC world.

One of the problems in the EMC/SI world is that there is
contradictory information provided to the poor consumer.

I look forward to a lively debate on these issues.

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