采用增益补偿方案的1.2V, 0.1-6.0 GHz两级差分LNA

2008 IEEE Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems Pub Date : 2008-02-01 DOI:10.1109/SMIC.2008.50

J. Wadatsumi, S. Kousai, D. Miyashita, M. Hamada

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引用次数: 4

摘要

提出了一种基于0.13 μ m CMOS的宽带低噪声放大器。LNA由两个级联增益级组成。第一级是用于输入阻抗匹配的电阻反馈放大器，第二级是用于增益补偿的感应峰值放大器。测量结果显示，在0.1至6.0 GHz的频率范围内，电压增益为14 dB，增益变化小于1.7 dB。其输入回波损耗低于-8.3 dB，噪声系数在整个带宽范围内为4.0至4.7 dB。LNA的功耗为16mw，电源电压为1.2 V，占地面积为0.13 mm2。

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A 1.2V, 0.1-6.0 GHz, Two-Stage Differential LNA Using Gain Compensation Scheme

A broadband low-noise amplifier (LNA) in a 0.13 mum CMOS is presented. The LNA consists of two cascaded gain stages. The first stage is a resistive feedback amplifier for an input impedance matching, and the second stage is an inductive peaking amplifier for gain compensation. Measurement results exhibit a voltage gain of 14 dB and a gain variation less than 1.7 dB over the frequency range of 0.1 to 6.0 GHz. Its input return loss is below -8.3 dB and the noise figure is 4.0 to 4.7 dB across the bandwidth. The LNA consumes 16 mW from a 1.2 V supply and occupies 0.13 mm2.

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2008 IEEE Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems

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