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RE: [OM] OM-4 Family Tree

Subject: RE: [OM] OM-4 Family Tree
From: Mike Butler <abutler@xxxxxxxxx>
Date: Wed, 10 May 2000 06:09:10 -0700
Ángel Lobo. wrote:

What is EMI ?
____________________________

Electro Magnetic Interference,  a very serious problem with almost all
forms of electronic devices.  Often lumped with RFI (Radio Frequency
Interference.  Usually the problems arise from the need to cool or
ventilate the device.  A totally sealed ferro metal box is a very good
EMI shield, but the internal heat buildup would eventually fry the
device.

Mike (Too many days spent at EMI/RFI test labs) Butler
Dublin, California

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