A novel tunable transconductance amplifier based on voltage-controlled resistance by MOS transistors

被引:18
作者
Han, Il-Song [1 ]
机构
[1] Univ Sheffield, Dept Elect & Elect Engn, Sheffield S1 3JD, S Yorkshire, England
来源
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS | 2006年 / 53卷 / 08期
关键词
analog MOS integrated circuits; tunable amplifiers; tunable filters; voltage-controlled conductance;
D O I
10.1109/TCSII.2006.875309
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 new tunable transconductance amplifier is proposed for the programmable analog signal processing or low power filter applications. The transconductor linearization is based on the compensation of nonlinear behaviour by two MOS transistors. The transconductance amplifier in this brief exhibits the good common-mode dynamic range and the voltage-controlled transconductance. HSPICE circuit simulation using 0.18-mu m standard CMOS technology shows the +/- 50% tunable transconductance range with the +/- 0.2-V control voltage, and the linearity of less than 60 dB in the total harmonic distortion for the 0.6 V-PP input signal.
引用
收藏
页码:662 / 666
页数:5
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