[SI-LIST] : Multi-GHz EMI from a static (DC) field

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From: Douglas C. Smith ([email protected])
Date: Wed May 02 2001 - 18:05:54 PDT

Hi All,

It is a new month and here is my latest article.

Hidden Threats to Electronic Equipment

Sometimes the connection between equipment malfunction and
its cause can be difficult to make. This month's Technical
Tidbit at http://www.dsmith.org covers a hidden form of ESD
that has caused design engineers a lot of trouble in recent
years. The article describes how simply bringing a coffee
cup (or other object)that has a static charge near a piece
of equipment can, under the right conditions, cause strong
EMI with bandwidths to several GHz to originate inside of
the equipment! Also described is a method to know when it
is happening and to measure the potential for problems from
the EMI.

Click on the picture of the CD Player and coffee cup to see
the article.

    ___          _           Doug Smith
     \          / )          P.O. Box 1457
      =========              Los Gatos, CA 95031-1457
   _ / \     / \ _           TEL/FAX: 408-356-4186/358-3799
 /  /\  \ ] /  /\  \         Mobile:  408-858-4528
|  q-----( )  |  o  |        Email:   [email protected]
 \ _ /    ]    \ _ /         Website: http://www.dsmith.org

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