仪表放大器电路以其高输入阻抗、高共模抑制比、低漂移等特点在传感器输出的小信号放大领域得到了广泛的应用。
Instrumental amplifiers with high input impedance, high CMRR and low drift are widely used in the small signal amplifying field.
开关变换器的负载效应对变换器升压比、输出效率、输入相位差、小信号稳定度、输入与输出阻抗之比等有着非常重要的影响。
Switching boost converter's load effect has great effect on input phase, stability of small signal, ratio of input and output impedance, and the ratio of Boost converter's output efficiency.
本文简要地介绍了不定导纳矩阵的基本概念，讨论了应用于高频小信号放大器的分析方法，给出了应用实例，并得出放大器的增益和输入阻抗表达式。
In this paper the concept of IAM is introduced and the method Used for analyzing H. F. small signal amplifier is discussed. The expressions of gain and input impedance of amplifier are given.
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