摘要
介绍新型精密线性光耦器件HCNR200的工作原理,给出两种用HCNR200和运算放大器实现的检测电机电流的隔离传输电路,并推导出其外围电阻的计算方法。
The principle of a new type of delicate linear optical coupler HCNR200 is introduced, and two kinds of isolation circuit monitoring electric current of motor with HCNR200 and operational amplifier are shown, and calculating method of envirommental resistances in these circuits are given.
出处
《电子元器件应用》
2004年第1期17-19,共3页
Electronic Component & Device Applications
关键词
线性光耦
线性隔离
模拟信号
应用
linear optical coupler
linear isolation
analog signal
application