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线性光隔离电路主要用在隔离传送模拟信号.本文论述了借助于偏置方法和差分技术,用普通的非线性光电耦合器构成线性度好、漂移小的光隔离电路的工作原理.
The linear optical isolation circuit is mainly used to separate and transmit the analog signals.This paper discusses the working principle of an optical isolation circuit with good linearity and small drift by using a common nonlinear optical coupler by means of a bias method and a differential technique.