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首页> 外文期刊>IEEE transactions on circuits and systems . I , Regular papers >Effects of nonlinear feedback in the frequency domain
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Effects of nonlinear feedback in the frequency domain

机译:非线性反馈在频域中的影响

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摘要

A simple methodology to evaluate harmonic distortion in the frequency domain for circuits and systems made up of a nonlinear high-gain path with a nonlinear feedback network is presented. The approach provides compact closed-form expressions which constitute a direct extension of the classic ones valid at dc. The result improve our understanding of nonlinear frequency behavior in general feedback circuits and can even be used in manual design. The accuracy of the equations obtained was evaluated by comparison with computer simulations and measurements on an example circuit. Simulated and experimental data highly agree with the theoretical model.
机译:提出了一种简单的方法,用于评估由非线性高增益路径和非线性反馈网络组成的电路和系统在频域中的谐波失真。该方法提供了紧凑的封闭形式的表达式,这些表达式构成了在dc有效的经典表达式的直接扩展。结果提高了我们对通用反馈电路中非线性频率行为的理解,甚至可以用于手动设计。通过与计算机仿真和示例电路上的测量进行比较,评估了所获得方程的准确性。仿真和实验数据与理论模型高度吻合。

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