This paper discusses an useful method by which the multiple nodes circuit composed of the operational amplifier is described using admittance matrix.

本文讨论用导纳矩阵描述多节点运算放大器电路的有用方法。

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Also, having made use of reverse transmission to describe an operational amplifier, a unified rule of the constraint admittance matrix of networks containing operational amplifiers is obtained.

对于运算放大器，借助逆传输表示，统一了运算放大器网络的约束导纳矩阵规则。

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According to the network theories this article leads four kinds of basic types feedback amplifier of enlargeing the basic amplifier circuit with the matrix method.

本文基于网络理论用矩阵法导出四种基本类型反馈放大器的基本放大电路，得出矩阵法导出基本放大电路的方法。

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