【摘要】 开关电源模块的电磁兼容性（ＥＭＣ）问题常常是制约我国通信电子产品出口的一个重要原因。主要介绍了通信电源模块的电磁干扰（ＥＭＩ）源、抑制电路设计方法及一些应用的实例。更多还原

【Abstract】 the electromagnetic compatibility (EMC) of the switch power supply module has always been a problem that restrains the export of our electronic communication products. This paper introduces the electromagnetic interference source of the communication power supply module, the designing method of inhibit circuit and some application examples.更多还原