Re: [SI-LIST] : SSN and Power Plane Bounce, 8th February Presentation

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From: Lee Ritchey (leeritchey@earthlink.net)
Date: Thu Feb 03 2000 - 09:02:46 PST


Hans,

Thanks for taking the time to send this to us.

Lee

Hans Mellberg wrote:

> The Santa Clara Valley Chapter of the EMC Society is
> presenting on the 8th of February, 2000
>
> Simultaneous Switch Noise and Power Plane Bounce, by
> Larry Smith, Sun Microsystems.
>
> Free admission, all welcome.
>
> 5:30-7:30 pm. social, food and refreshements (there is
> a charge for food and refreshements)
>
> 7:30-8:30 pm. Presentation:
>
> Simultaneous Switch Noise (SSN) has traditionally been
> thought of as an inductance problem. Modern
> electronic packages with solder bumps, solder balls
> and power planes have very low inductance. The SSN
> problem is shifting from an inductance problem to a
> power plane bounce problem. Return current from
> signal transmission lines can be used to explain and
> account for power plane bounce. Noisy power planes
> are
> known to be the root cause of many SI and EMI
> problems. The key to managing power plane bounce is
> in managing return currents and power plane
> decoupling.
>
> Larry D Smith received the BSEE degree from Rose
> Hulman Institute of Technology in 1975 and the MS
> dregree in Material Science from the University of
> Vermont in 1983. After joining IBM in 1978, he worked
> in the areas of reliability, characterization, failure
> analysis, power supply and analog curcuit design,
> packaging and signal integrity at Sun Microsystems
> since 1996. His current area of concentration is
> design of power distribution systems and reduction of
> simultaneous switch noise.
>
> SCV IEEE EMC Society Dinner & Meeting Locations
> The dinner and meeting will be held at the Silicon
> Graphics’ Café Iris, Building 5, on 2025 Stierlin
> Court in Mountain View, CA.
>
> For additional information and directions visit our
> website:
>
> www.scvemc.org
>
> =====
> Best Regards
> Hans Mellberg
> EMC Consultant
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