使用开关电源的产品的电磁干扰抑制对策实例

A Sample of Suppression Countermeasure to EMI of Products Using Switch Power

本文简要介绍了开关电源产生电磁干扰的机理以及滤波的原理,并结合实例论述了一种较为实用的开关电源电磁干扰抑制方法。

This paper discusses the cause of electromagnetic interference introduced by switching power and the principle of filtering, and introduces one effective countermeasure to solve EMI problem cause by switching power based on the author＇s experience.