Analytical synthesis of current-mode high-order OTA-C filters

被引：45

作者：

Chang, CM ^{[1
]}

Al-Hashimi, BM ^{[1
]}

机构：

[1] Univ Southampton, Dept Elect & Comp Sci, Elect Syst Design Grp, Southampton SO17 1BJ, Hants, England

来源：

IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-FUNDAMENTAL THEORY AND APPLICATIONS | 2003年 / 50卷 / 09期

关键词：

active filters; operational transconductance amplifiers (OTAs); synthesis;

D O I：

10.1109/TCSI.2003.816327

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：

This brief presents a new general synthesis method for high-order current-mode operational transconductance amplifiers and capacitors (OTA-C) filters. The method is based on the analytical solution of a single, nth-order generic filter transfer function and the, generation of n number of realizable transfer functions implemented using lossless integrators. The method provides systematic synthesis approach to high-order OTA-C filters. Furthermore, the method generates circuits that are optimal in terms of components count and without trading off any of the VLSI features of OTA-C filters. Simulation results are included validating the synthesis method.

引用

页码：1188 / 1192

页数：5

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