The sensitivity is whether it is susceptible to a cold. To be easy to understand, we like to compare electronic devices to humans, and compare electromagnetic energy to a cold virus. Therefore, EMI standards and EMI testing are to determine the state of the electricity being processed, to determine how to detect, and how to evaluate.ĮMS (Electro Magnetic Susceptibility) literal translation is "electromagnetic sensitivity." It is intended to mean the ease with which performance is degraded due to electromagnetic energy. Electromagnetic waves are generated if the direction and magnitude of the current continue to change.Įlectricity exists in various states, and we collectively refer to all of these states as electromagnetic. When different potentials move in unison, an electrostatic discharge occurs, a current is generated, and a magnetic field is generated around the current. If the charge is stationary, it is called static electricity. So which part of EMI is the EMI standard and EMI detection? Of course, the second layer of meaning, the source of interference, also includes the electromagnetic energy before being disturbed.įollowed by "electromagnetic". These can be referred to as "BC I" "TV I" "Tel I", these abbreviations have the same "I" (interference) (BC: broadcast) When the motorcycle is driving nearby, the TV screen appears snowflake, pick up the phone and hear the radio sound, etc. The first layer means that lightning causes the radio to produce noise. The so-called "interference" refers to the meaning of the interference source after the device is interfered with and the interference source that interferes with the device. This is a compound word, we should consider "electromagnetic" and "interference" separately. EMI (Electro Magnetic Interference) literal translation is electromagnetic interference.
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