对具有可控特性的电流跟随器和放大器概念的另一种方法

2011 34th International Conference on Telecommunications and Signal Processing (TSP) Pub Date : 2011-10-13 DOI:10.1109/TSP.2011.6043726

R. Sotner, J. Jerabek, N. Herencsar, T. Dostál, K. Vrba

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引用次数: 10

摘要

在贡献中提出了具有电子可调输入(本征)电阻和电流增益(在放大器的情况下)的电流从动器(或放大器)的几个建模概念。在考虑重要的寄生小信号特性时，通过符号分析记录了所提出模型的特征。通过PSpice仿真验证了该模型的性能。所描述的方法允许设计没有外部(在IC情况下)浮动电阻的应用程序。包括两种功能可调电压模式双管和振荡器的简单示例。

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Additional approach to the conception of current follower and amplifier with controllable features

Several modeled conceptions of current follower (or amplifier) with electronically adjustable input (intrinsic) resistance and current gain (in case of amplifier) are presented in the contribution. Features of proposed models are documented by symbolical analyses when considering important parasitic small signal properties. An example of behavior of such model is verified by simulations in PSpice. Described approaches allow design of applications without external (in IC case) floating resistors. Simple examples of two functional adjustable voltage mode biquad and oscillator are included.

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来源期刊

2011 34th International Conference on Telecommunications and Signal Processing (TSP)

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