The Importance of Electromagnetic Compatibility

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  • Author: Gary Breed
Next month (August 14-18) is the annual Symposium of the IEEE Electromagnetic Compatibility (EMC) Society. With that event as a reminder, this is a good time to comment on EMC as a regulatory matter, as well as a part of good engi-neering practice.Electromagnetic compatibility is concerned with the prevention of interference, to or from, licensed spectrum users, end-user electronic equipment, or between circuits inside the equipment. Much of the EMC engineering spe-cialty involves achieving and demonstrating compliance with national and international regulations. Another branch is concerned with the creation and coordination of those regulations. This includes more than simply determining the limits of unwanted radiated or conducted emissions—it also includes the important matters of spectrum management and fre- quency allocation, as well as international coordination of regulations to enable businesses to conduct commerce in an orderly manner.