Basic principles and application methods of power supply noise filters

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Basic principles and application methods of power supply noise filters [Copy link]

Basic principles and application methods of power supply noise filters

With the rapid development of modern science and technology, electronics, power electronics, and electrical equipment are increasingly widely used. The high-density, wide-spectrum electromagnetic signals generated by them during operation fill the entire space, forming a complex electromagnetic environment. The complex electromagnetic environment requires electronic equipment and power supplies to have higher electromagnetic compatibility. Therefore, the technology of suppressing electromagnetic interference has received more and more attention. Grounding, shielding, and filtering are the three major measures to suppress electromagnetic interference. The following mainly introduces the EMI filter used in the power supply and its basic principles and correct application methods.

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