一种模拟量光电隔离的实现

The Application of the Simulated Photoelectric Isolation Circuit

简述隔离电路的种类、原理及作用．介绍光电隔离电路在测量模拟信号时的作用，并系统分析以TLP521－2光电隔离为核心，则量模拟信号电路的原理。

Briefly illustrating isolation circuit's type, principle and application. It introducesthe application of the photoelectri isolation circuit surveying the simulated signal and analysesthe principle of that circuit accprdomg to the TLP521 -2 photoelectric isoation apparatus ascore.