Tunable linear CMOS current mirror

被引：4
|
作者：
Zeki, Ali [1 ]
Toker, Ali [1 ]
机构：
[1] Istanbul Tech Univ, Fac Elect & Elect Engn, Elect & Commun Eng Dept, TR-34469 Istanbul, Turkey
来源：
ANALOG INTEGRATED CIRCUITS AND SIGNAL PROCESSING | 2007年 / 50卷 / 03期
关键词：
continuous-time filters; current mirrors; tunable filters; tuning;
D O I：
10.1007/s10470-007-9030-3
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
Based on triode MOSFETs as tunable devices, a tunable linear current mirror is proposed, whose current gain is tunable over a wide range. Simulations show that, total harmonic distortion on the output current is within 2% for a tuning range of almost five octaves. Although the structure is in the form of an active-input current mirror, keeping the tuned MOSFETs in triode region significantly relaxes the stability problems of an active-input current mirror. This issue is revealed by theoretical analyses and further simulations are included for demonstration. An application example is also supplied.
引用
收藏
页码：261 / 269
页数：9
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