A regulated body-driven CMOS current mirror for low-voltage applications

被引：38
|
作者：
Zhang, XG [1 ]
El-Masry, EI [1 ]
机构：
[1] Dalhousie Univ, Dept Elect & Comp Engn, Halifax, NS B3J 2X1, Canada
来源：
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS | 2004年 / 51卷 / 10期
基金：
加拿大自然科学与工程研究理事会;
关键词：
analog circuits and signal processing circuit theory and design; CMOS current mirrors (CMs); integrated electronics;
D O I：
10.1109/TCSII.2004.834536
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 CMOS current mirror (CM) based on the body-driven technique and active feedback scheme is presented. The proposed CM is immune to the threshold voltage limitation and offers much higher accuracy over wider current operating range,than other body-driven CMs. The complete analysis of the input-output characteristics, system dc current transfer error, frequency, and noise performance is provided. By using a 1.5 V/1 V single power supply and 0.18-mum n-well process, SPECTRE simulation results validate the analytical results and the overall good performance in terms of wider input-output voltage swing, lower input resistance, and larger output resistance compared with the conventional high-swing cascode CM.
引用
收藏
页码：571 / 577
页数：7
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