一种用于UWB接收机的CMOS线性- db高线性变增益放大器

2007 IEEE Asian Solid-State Circuits Conference Pub Date : 2007-11-01 DOI:10.1109/ASSCC.2007.4425742

Chan Tat Fu, H. Luong

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引用次数: 31

摘要

本文介绍了一种CMOS线性-in-dB可变增益放大器(VGA)，它在54 dB增益下提供超过90db的可变增益范围，3db带宽大于400mhz。最大输出1db压缩点为9dbm。最大增益误差为+/-2 dB。它的总功耗为22mw, 1.8 V电源，包括控制电路。该VGA采用台积电0.18 um CMOS工艺制造，并展示了所提出的db线性VGA的性能。

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A CMOS linear-in-dB high-linearity variable-gain amplifier for UWB receivers

This paper presents a CMOS linear-in-dB variable gain amplifier (VGA) that provides a variable gain range over 90 dB with 3 dB bandwidth greater than 400 MHz at 54 dB gain. The maximum output 1 dB compression point is 9 dBm. Maximum gain error is +/-2 dB. It consumes total 22 mW with 1.8 V supply, including control circuit. This VGA is fabricated in TSMC 0.18 um CMOS process and demonstrate the performance of the proposed dB-linear VGA.

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2007 IEEE Asian Solid-State Circuits Conference

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