Current-mode filters based on current mirror arrays

被引：22

作者：

Souliotis, George ^{[1
]}

Haritantis, Loannis ^{[1
]}

机构：

[1] Univ Patras, Dept Phys, Elect Lab, GR-26504 Rion, Greece

来源：

INTERNATIONAL JOURNAL OF CIRCUIT THEORY AND APPLICATIONS | 2008年 / 36卷 / 02期

关键词：

current-mode filters; current-mode integrators; integrated filters; analogue integrated circuits;

D O I：

10.1002/cta.419

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A technique is proposed for obtaining current-mode filters based on current mirror arrays that operate as unity gain current amplifiers. These amplifiers by properly driving capacitors realize active lossless integrators which are the basic active elements for the derivation of filters according to the leapfrog method. Due to the fact that both the structure of the amplifiers and the adapted method for filter design are simple, the proposed technique is attractive for filter design and implementation. A design and the implementation of two third-order low-pass filters are presented. The array of the amplifiers has been implemented in a 0.8 mu m CMOS technology. Copyright (C) 2007 John Wiley & Sons, Ltd.

引用

页码：173 / 183

页数：11

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