A Wide Tunable Range CMOS OTA

被引：1
|
作者：
Kaewdang, Khanittha [1 ]
Surakampontorn, Wanlop [2 ]
机构：
[1] Ubon Ratchathani Univ, Fac Engn, Dept Elect & Elect Engn, Warinchamrap 34190, Ubon Ratchathan, Thailand
[2] King Mongkuts Inst Technol Ladkrabang, Bangkok 10520, Thailand
来源：
ECTI-CON 2008: PROCEEDINGS OF THE 2008 5TH INTERNATIONAL CONFERENCE ON ELECTRICAL ENGINEERING/ELECTRONICS, COMPUTER, TELECOMMUNICATIONS AND INFORMATION TECHNOLOGY, VOLS 1 AND 2 | 2008年
关键词：
D O I：
10.1109/ECTICON.2008.4600528
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
A wide linear tunable range transconductor based on CMOS technology is proposed in this paper. The realization technique is achieved by squaring the transconductance gain (g(m) of the CMOS OTA. Its g(m) can be linearly tuned by an external bias current for more than 3 decades (2u Lambda-3mA), with less than 2% nonlinearity for the input-voltage linear range of about IVp. The usefulness of the proposed linear tunable tranconductor is demonstrated through an application example, an electronically, tunable biquad filter. The performance of the proposed circuit Is discussed and confirmed through PSPICE simulation results.
引用
收藏
页码：705 / +
页数：2
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