Difference between EMI and EMC?

RF Basics Test & Measurement 
What is the difference between Electromagnetic Interference and Electromagnetic Compatibility?
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Editorial Team - everything RF

Nov 13, 2017

All electronic devices emit electromagnetic waves while operating, if these emissions are excessive then they can impact other devices that are operating around it by causing interference. The measure of the level of emission of electromagnetic waves from a device is called EMC (Electromagnetic Compatibility) testing.

EMI (Electromagnetic Interference) testing is a test to check the amount of electromagnetic interference exists in an environment due to the emission of electromagnetic waves/signals from devices present in that environment or from other external factors. So it there is TV, Microwave, Phone and Computer in a room, each device emits some electromagnetic waves. The combination of these EM signals from all these devices in the room, is called Electromagnetic Interference.