1-V continuously tunable CMOS bulk-driven transconductor for Gm-C filters

被引：19
|
作者：
Carrillo, Juan M. [1 ]
Duque-Carrillo, J. Francisco [1 ]
Torelli, Guido [2 ]
机构：
[1] Univ Extremadura, Dept Elect, E-06071 Badajoz, Spain
[2] Univ Pavia, Dept Elect, I-27100 Pavia, Italy
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.2008.4541563
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
A bulk-driven transconductor including a continuous tuning scheme and operated from a 1-V supply is presented in this paper. The voltage-to-current conversion is carried out by means of the source degeneration of a bulk-driven differential pair, while transconductance tuning is obtained by modifying the gain of a current mirror. The proposed circuit has been included in a continuous-time transconductance-C (G(m)-C) biquadratic cell designed for the audio bandwidth, which features a programmability range of more than one decade and a dynamic range of 63.7 dB while consuming less than 45 mu W.
引用
收藏
页码：896 / +
页数：2
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