A low-voltage BiCMOS transconductor with improved linearity for VHF continuous-time filters

被引：0

作者：

Tsung-Sum Lee

机构：

[1] National Yunlin University of Science and Technology,Department of Electronic Engineering

来源：

Circuits, Systems and Signal Processing | 2001年 / 20卷

关键词：

Transconductor; continuous-time filters;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

A new low-voltage Bipolar Complementary Metal Oxide Semiconductor (BiCMOS) triode transconductor with improved linearity suitable for very-high frequency continuous-time filters is proposed. The transconductance is tunable with a control voltage. Improved linearity is achieved using a translinear cross-coupled circuit that suppresses the major cause of nonlinearity. The output resistance of the transconductor is compensated, and the resulting output resistance can be fine-tuned by means of a separate voltage. The transconductor has a large bandwidth due to its parasitic poles that are at extremely high frequencies. The performance of the transconductor is demonstrated by simulation results.

引用

页码：27 / 36

页数：9

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