Electromagnetic Interference of Switching Power Supplies and Corresponding Restraining Measures
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Starting from the mechanism of electromagnetic interference, this paper analyzes the causes of electromagnetic interference in switching power supplies, and summarizes measures which can restrain the electromagnetic interference. Effective restraining measures include absorption circuit, soft-switching technology, filter technique, as well as shielding and grounding technology.
Switching power supply, electromagnetic interference, restrain, filtering, shielding, ground connection.