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。
This paper discusses an useful method by which the multiple nodes circuit composed of the operational amplifier is described using admittance matrix.
如果电路中故障数不超出端口数，则利用这个方法只要经过一些代数运算就可以分析电路中的故障。
If the number of faults in a circuit does not greater than the number of ports, the faults can be analysed by this method only using some algebraic computations.
本文提出了一种完全依照理想运算放大器的特性，对含这类元件的线性时不变电路利用PSPICE进行计算机仿真的新方法。
New systematic approach to the simulation of circuits containing ideal operationamplifiers using the standard simulators such as PSPICE is first presented.
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