负反馈放大电路变换分析法的讨论

Discussion on Transformation Analysis of Negative Feedback Amplifying Circuit

本文首先阐述了负反馈放大电路变换为基本反馈电路的方法,在此基础上总结了利用变换分析法计算负反馈放大电路动态参数(闭环增益、输入电阻、输出电阻)的步骤,并举例讨论了变换分析法在负反馈放大电路分析中的应用。

This paper firstly demonstrates the method of transforming negative feedback amplifying circuit to basic feedback circuit.On this basis,the step of using transformation analysis to calculate the dynamic parameters including closed-loop gain,input resistance and output resistance is summarized.By giving examples,the application of transformation analysis to analyse negative feedback amplifying circuit is discussed.