摘要
电子产品容易受到来自于自然界和人类活动造成的的电磁干扰(EMI),这些干扰源向设备设计工程师和元器件工程师提出了挑战,需要找到一种好的解决办法来克服电磁干扰的影响。在多数情况下,只要在信号的通路上加一个旁路滤波器把干扰信号旁路接地,就可以解决问题。这个看起来很简单的解决方案,实际上会引起一系列其他问题。本文就具体应用中由于设备的电磁干扰滤波器性能不足而引起的一些常见问题进行讨论。
Electromagnetic interference (EMI) is all around us. It is created naturally from everyday sources and cosmic noise formed within and fromoutside our own solar system. These sources of EMI challenge the equipment designer and component engineer to find a solution to keepall products working well. In most cases, a feed-thru filter is selected and placed in the signal path to shunt any interference to ground.Sometimes this seemingly simple solution is actually the start of just another series of problems. This article will address some of the commonmaladies that can compromise EMI filter performance in an application.
出处
《电子产品世界》
2003年第22期54-58,共5页
Electronic Engineering & Product World
