A 77-GHz Fully Integrated Power Amplifier for Automotive Radar Application in 40-nm CMOS

被引：0

作者：

Zhou, Peigen ^{[1
,2
]}

Chen, Jixin ^{[1
]}

Hong, Wei ^{[1
]}

Gao, Hao ^{[2
]}

机构：

[1] Southeast Univ, State Key Lab Millimeter Waves, Nanjing, Peoples R China

[2] Eindhoven Univ Technol, Eindhoven, Netherlands

来源：

2021 IEEE MTT-S INTERNATIONAL WIRELESS SYMPOSIUM (IWS 2021) | 2021年

基金：

中国国家自然科学基金;

关键词：

Automotive radar; CMOS; coplanar waveguide differential transmission line; E-band; power amplifier; voltage-current power combining;

D O I：

10.1109/IWS52775.2021.9499703

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper presents a compact 77-GHz four-way differential power combined power amplifier for automotive radar application. At E-band, the insertion loss of matching network and power combining network are the limiting factor for the power amplifier's performance. In this work, the insertion loss of the matching networks is reduced by taking advantage of the proposed coplanar waveguide differential transmission line with floating substrate noise shielding grids. The voltage-current power combining method that takes care of impedance matching and power combining is adopted to decrease the insertion loss from power combining and output matching network The power amplifier is implemented in a 40 nm CMOS process. From 69 to 85 GHz, the power amplifier delivers more than 19 dBm output power with the maximum P-sat of 19.7 GHz at 77 GHz. The final layout power amplifier achieves 19.4 dB peak small signal gain, and the maximum PAE is 22.7 %.

引用

页数：3

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