光电隔离抗干扰技术及应用

Technique & Application of Optical-Electrical Isolation Resisting Disturbance

光电耦合技术主要是为了解决模拟电路和数字电路的集成、交叉应用时的相互干扰问题 ,同时具有信号整形、降低误操作等功能。本文就光电隔离抗干扰技术的特性及在微机接口、功率驱动、远距离传送。

The technique of the opticalelectrical co upling is mainly to solve the interferential problem of the integration and alternative a pplication of analog and digital circuits Besides,it has other functions suc h as signal plastic and the reduction of error operation The aim of this article is to give a brief introduction to the features of the technique of the optical electrical isolation antidisturbance and its use in the junction of the microco mputer,power drive,longdistance transmission and zero crossing circu its