采用等值电容、等值电阻和单位增益有源元件的三阶巴特沃斯滤波器

ICM 2001 Proceedings. The 13th International Conference on Microelectronics. Pub Date : 1900-01-01 DOI:10.1109/ICM.2001.997509

H. Kuntman, O. Cicekoglu, S. Ozcan

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摘要

本文描述了一种采用单位增益有源元件和最小无源元件数量实现的电流型三阶巴特沃斯滤波器。所有电容器和电阻器的值都相等。该电路的核心易于实现HP、BP和LP功能。该滤波器具有高输出阻抗。实验结果验证了理论。

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Third order Butterworth filter for current-mode operation employing equal valued capacitors, equal valued resistors and unity gain active elements

This paper describes a current-mode third-order Butterworth filter realised with unity gain active elements and minimum number of passive components. All capacitors and resistors are equal valued. The core of the circuit realises HP, BP and LP functions easily. The filter exhibits high output impedance. Experimental results are included to verify theory.

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ICM 2001 Proceedings. The 13th International Conference on Microelectronics.

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