Electromagnetic Compatibility, also known as EMC, is the ability of a device and systems to operate in the electromagnetic environment without impairing functions and without faults.
Say, for example, that you use a microwave in your house. The microwave can affect the wireless LAN and Bluetooth connections and cause some problems. It is a case where the microwave is causing electromagnetic interference to devices via wireless LAN or Bluetooth.
Similar cases are found when a vacuum cleaner or hair dryer is used near the TV. Many forms of electromagnetic interference may prevent regular operation. The EMC measure ensures that a variety of different items of electronic equipment can operate nearby without causing any undue interference.
In other words, the EMC has compatibility to suppress noise emissions as well as immunity to noise.
The Electromagnetic Interference, also known as emissions, is related to the noise generated by electronic equipment and components during operation. And Electromagnetic Susceptibility or EMS refers to the sensitivity of electromagnetic equipment and components to noise during operation, also called immunity.
Nowadays, many things are electronic, and many wirelessly connected electronic devices operate simultaneously. EMC is of increasing importance.
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