Computation of Reaction of Amplifier

T. Hui, Li Hui-zi
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Abstract

This paper provides a modeling method of nonlinear reaction of amplifier based on high-order polynomials, using measured data of the amplifier 1dB compression point and the third-order intercept point to calculate the high-order polynomial coefficients. With the coefficients, a nonlinear disturbance reaction model is built for the amplifier. The model is then used in the research for disturbance responses of the amplifier with different interfering signals injected. According to the simulation results, we analyze the nonlinear reaction characteristics of the amplifier.
放大器反应的计算
本文提出了一种基于高阶多项式的放大器非线性反应建模方法,利用放大器1dB压缩点和三阶截距点的实测数据计算高阶多项式系数。利用这些系数,建立了放大器的非线性扰动反应模型。利用该模型研究了注入不同干扰信号时放大器的扰动响应。根据仿真结果,分析了放大器的非线性反应特性。
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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