110MHz 70dB CMOS variable gain amplifier

被引：0

作者：

Mostafa, Mohamed ^{[1
]}

Elwan, Hassan ^{[1
]}

Bellaour, Abdellatif ^{[1
]}

Kramer, Brad ^{[1
]}

Embabi, S.H.K. ^{[1
]}

机构：

[1] Texas A&M Univ, College Station, United States

来源：

Proceedings - IEEE International Symposium on Circuits and Systems | 1999年 / 2卷

关键词：

Bandwidth - CMOS integrated circuits - Computer simulation - Electric currents - Electric potential - Gain control - MOSFET devices - Resistors - Transconductance;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

This paper describes a CMOS variable gain amplifier (VGA) circuit that maintains a 3dB bandwidth greater than 110MHz throughout its gain range. The VGA provides a 70dB-gain control range in 2dB steps. The gain is controlled digitally through a decoder. The VGA is fully differential and is implemented in a standard 3V, 0.6 μm CMOS process. The overall supply current is below 6mA.

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