RE: [SI-LIST] : Dielectric Material Comparison

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From: Clewell, Craig W (ClewelCW@bergelect.com)
Date: Mon Apr 17 2000 - 05:25:26 PDT


Lisa,

Very simply put...it will slow down. Tpd = (c/(sqr.root Er))

c = the speed of light.

:>)

-----Original Message-----
From: Lisa Desandoli [mailto:Lisa_Desandoli@pmc-sierra.com]
Sent: Friday, April 14, 2000 5:41 PM
To: 'SI'
Subject: [SI-LIST] : Dielectric Material Comparison

Hi,

Does anyone know of a good paper or text that gives an introductory
explanation of how dielectric materials affect signal quality? I have
information comparing the physical properties of commonly used dielectric
materials (FR-4, GETEK, Teflon, etc) but I don't understand the relationship
between these properties and what will actually happen to a signal that's
traveling through that material.

Thanks,

Lisa DeSandoli
Test Technology Engineer
PMC-Sierra, Inc

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