基于SPICE的运放非线性宏模型的实现

China., 1991 International Conference on Circuits and Systems Pub Date : 1991-06-16 DOI:10.1109/CICCAS.1991.184508

Wu Rei-Heng

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引用次数: 0

摘要

本文采用一种较为理想的非线性函数曲线拟合技术来逼近运放输入级的大信号饱和非线性特性，从而可以在SPICE上精确模拟含非线性运放宏模型电路的时域响应。实现了相应的曲线拟合程序，并对两个电路进行了分析，得到了满意的结果。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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The realization of op amp nonlinear macromodel on SPICE

In this paper a comparatively ideal curve fitting technique for a nonlinear function is used to approach the large signal saturation nonlinear characteristics of an op amp input stage, so that the time domain response of circuits containing nonlinear op amp macromodels can be simulated precisely on SPICE. A relevant curve fitting program is realized and two circuits are analysed, giving satisfactory results.<>

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China., 1991 International Conference on Circuits and Systems

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