Introduction to EMI/EMC Design for Printed Circuit Boards
Electromagnetic Interference and Electromagnetic Compatibility (EMI/EMC) first became a concern in the 1940’s and 1950’s, mostly as motor noise that was conducted over power lines and into sensitive equipment. During this period, and through the 1960s, EMI/EMC was primarily of interest to the military to ensure electromagnetic compatibility. In a few notable accidents, radar emissions caused inadvertent weapons release, or EMI caused navigation systems failure, so military EMI/EMC was concerned chiefly with electromagnetic compatibility, especially within a weapons system of a airplane or ship.
KeywordsPrint Circuit Board Loop Inductance Weapon System Electromagnetic Compatibility Partial Inductance
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