Re: [SI-LIST] : 20-H Rule for Power Planes

Mike Mayer (Mike.Mayer@cp.artesyn.com)
Fri, 28 May 1999 08:31:26 -0500 (CDT)

>>>>> "Chris" == Chris Padilla <cpad@cisco.com> writes:

[...]

> The results? The one with most metal left in the front end and
> tied to zero-potential metal had better results in the anechoic
> chamber by a rough average of 4-5 dB for this board's particular
> clocks and associated harmonics.

I found the paper I was referring to:

"Report on the Efficacy of Split Groundplanes as an EMI Deterrent"

http://www.emclab.umr.edu/pdf/tr97-1.pdf

-- 
=============================================================================
Mike Mayer                               Artesyn Communication Products, Inc
                                         Madison, WI
                                         http://www.artesyn.com/cp
=============================================================================

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