On the Importance of Electromagnetic Compatibility

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  • Author: Gary Breed
One of the themes I periodically return to in this column is EMC, electromagnetic compatibility. With the IEEE EMC Symposium taking place during July, this seems to be the right time to step up on my EMC soapbox again! My main point in this column is that engineers seem to have two distinct perspectives on EMC, and often do not realize that they are connected. The most common idea of EMC is meeting perfor-mance criteria spelled out by regulatory and industry standards for max-imum radiated emissions—and, in some parts of the world, for immunity to exposure from external fields. By establishing these standards, The FCC and its worldwide counterparts hope to minimize unwanted interference from electronic devices.