用于车载雷达接收机的77 GHz CMOS低噪声放大器

2012 IEEE International Symposium on Radio-Frequency Integration Technology (RFIT) Pub Date : 2012-11-01 DOI:10.1109/RFIT.2012.6401651

H. V. Le, H. T. Duong, C. Ta, A. Huynh, Robin J. Evans, E. Skafidas

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引用次数: 20

摘要

本文设计了一种工作频率为76 ~ 77 GHz的汽车雷达低噪声放大器(LNA)。LNA由5个级联共源放大器组成。每个级的输出靠近下一级的栅极，产生LC谐振输出负载，因此消除了复杂的级间匹配网络。此外，传输线(tl)被用来创建匹配和负载电感器。因此，芯片尺寸显著减小。所提出的LNA采用65 nm CMOS技术实现，测量结果显示电压增益为11 dB，噪声系数(NF)为7.8 dB, 1.2 V电源功耗为21.5 mA。

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A 77 GHz CMOS low noise amplifier for automotive radar receiver

This paper presents the design of a low noise amplifier (LNA) for automotive radar application operating at 76-77 GHz. The LNA consists of 5 cascade common source amplifiers. The output of each stage is positioned close to the gate of the next stage creating a LC resonance output load, therefore complex interstage matching networks are eliminated. Moreover, transmission lines (T Ls) are utilized to create matching and load inductors. As a result, chip size is significantly reduced. The proposed LNA is implemented in a 65 nm CMOS technology and measurement results show 11 dB voltage gain, and 7.8 dB noise figure (NF) while dissipating 21.5 mA from 1.2 V supply.

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2012 IEEE International Symposium on Radio-Frequency Integration Technology (RFIT)

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