SYNTHESIS OF CURRENT DIFFERENCING TRANSCONDUCTANCE AMPLIFIER-BASED CURRENT LIMITERS AND ITS APPLICATIONS

被引：21
|
作者：
Tangsrirat, Worapong [1 ]
Pukkalanun, Tattaya [1 ]
Surakampontorn, Wanlop [1 ]
机构：
[1] KMITL, Fac Engn, Bangkok 10520, Thailand
来源：
JOURNAL OF CIRCUITS SYSTEMS AND COMPUTERS | 2011年 / 20卷 / 02期
关键词：
Current differencing transconductance amplifier (CDTA); current limiter (CL); current-mode circuits; rectifier; CONVEYOR PRECISION RECTIFIER; CURRENT-MODE FILTERS; QUADRATURE OSCILLATOR; RECTIFICATION; REALIZATION;
D O I：
10.1142/S0218126611007190
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
A synthesis of analog current limiter (CL) building blocks based on a current differencing transconductance amplifier (CDTA) is proposed. The breakpoint and the slope of the resulting transfer characteristic obtained from the proposed CDTA-based CL are electronically programmable through the external bias currents. To demonstrate versatility of the proposed electronically tunable CLs, some nonlinear applications to programmable current-mode precision full-wave rectifiers and piecewise-linear function approximation generators are also presented. PSPICE simulation and experimental results confirm the effectiveness of the proposed circuits.
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页码：185 / 206
页数：22
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