Realization of current-mode third order Butterworth filters employing equal valued passive elements and unity gain buffers

被引：11

作者：

Kuntman, H ^{[1
]}

Çiçekoglu, O

Özcan, S

机构：

[1] Istanbul Tech Univ, Fac Elect & Elect Engn, TR-80626 Istanbul, Turkey

[2] Bogazici Univ, Istanbul, Turkey

来源：

ANALOG INTEGRATED CIRCUITS AND SIGNAL PROCESSING | 2002年 / 30卷 / 03期

关键词：

Butterworth filters; active filters; unity-gain buffers;

D O I：

10.1023/A:1014488619452

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

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

引用

页码：253 / 256

页数：4

共 42 条

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