A simple class-AB transconductor in CMOS

被引：4
|
作者：
Minch, Bradley A. [1 ]
机构：
[1] Franklin W Olin Coll Engn, Needham, MA USA
来源：
PROCEEDINGS OF 2008 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS, VOLS 1-10 | 2008年
关键词：
D O I：
10.1109/ISCAS.2008.4541356
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, we present a simple class-AB CMOS transconductor, which is based on Delbruck's bump/antibump circuit, whose differential output current is an expansive nonlinear function of its differential-mode input voltage. We describe the operation of the new transconductor qualitatively and derive an analytical model of its output currents from the Enz-Krummenacher-Vittoz (EKV) model of the MOS transistor. We also provide experimental measurements of the DC transfer characteristics of a version of the circuit that was fabricated in a 0.5-mu m CMOS process through MOSIS.
引用
收藏
页码：69 / 72
页数：4
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