增益控制电阻在精确输入和输出阻抗放大器分析中的应用

Proceedings of the 43rd IEEE Midwest Symposium on Circuits and Systems (Cat.No.CH37144) Pub Date : 2000-08-08 DOI:10.1109/MWSCAS.2000.951437

I. Filanovsky

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引用次数: 2

摘要

一个具有精确输入和输出阻抗的放大器可以被认为是一个包含两种增益控制电阻模型的器件。介绍了这些模型，并说明了它们如何应用于这种放大器的分析和设计。然后将分析结果应用于实际使用的双晶体管放大器，并增加了一种新的结构。在这三种电路中，为获得输入和输出匹配，这些放大器的无源元件之间应该存在的关系是公式化的。

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Gain-controlled resistors in analysis of amplifiers featuring accurate input and output impedance

An amplifier featuring accurate input and output impedance can be considered as a device that includes two models of gain controlled resistors. The models are introduced, and it is shown how they can be used in the analysis and design of such an amplifier. Then the analysis is applied to two-transistor amplifiers used in practice, and a new configuration is added. The relationship that should exist between passive elements of these amplifiers to obtain input and output matching is formulated for all three circuits.

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Proceedings of the 43rd IEEE Midwest Symposium on Circuits and Systems (Cat.No.CH37144)

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