RE: [SI-LIST] : Simple question about propagation speed vs. diele ctric

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From: Michael Nudelman (mnudelman@tellium.com)
Date: Thu Feb 15 2001 - 13:14:18 PST


Use it pretty much as optical refraction coefficient; the more it is, the
less the speed.

-----Original Message-----
From: Chris Padilla [mailto:cpad@cisco.com]
Sent: Thursday, February 15, 2001 03:48
To: Kowal, Keith; 'si-list@silab.eng.sun.com'
Subject: Re: [SI-LIST] : Simple question about propagation speed vs.
dielectric

Er --> 1 is free space (and in a vacuum for the purists) and you are then
moving at the speed of light!

So yes, signals travel faster the lower the Er (everything else remaining
the same).

Chris

Folks,
  IN general , is it true or false, signals travel faster the lower the Er
,, or not //// why or whynot?

keith
Digital Networks, LLC

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