Date: Mon Nov 08 1999 - 07:48:30 PST
Spread spectrum clocking and PLL's can be compatible. It is used in most PC's
It is important not to use it for clocking a network or other functions that
requires a fixed frequency.
However it is possible to design the system so that the network front end
frequency is fixed but the
noisy processor section can use spread spectrum clocking.
For more information see:
"Design Considerations of Phase-Locked Loop Systems for Spread Spectrum Clock
Dr. Keith Hardin
Lexmark International Inc.
email@example.com on 11/08/99 09:22:24 AM
Please respond to firstname.lastname@example.org
cc: (bcc: Keith Hardin/Lex/Lexmark)
Subject: RE: [SI-LIST] : Micro Noise
Chris Cheng wrote:
> have u look into using spread spectrum clock source instead of crystals ?
Don't all the PLL's in chips these days make
spread spectrum clocking untenable?
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