A Transformer-Based Up-Conversion Mixer With Wide IF Bandwidth for Multi-Beam 5G New Radio

被引：0

作者：

Liu, Runyu ^{[1
]}

Ouyang, Zijian ^{[1
]}

Yu, Yiming ^{[1
]}

Tian, Wenbo ^{[1
]}

Chen, Zhilin ^{[1
]}

Zhao, Chenxi ^{[1
]}

Liu, Huihua ^{[1
]}

Wu, Yunqiu ^{[1
]}

Kang, Kai ^{[1
]}

机构：

[1] Univ Elect Sci & Technol China, Chengdu, Peoples R China

来源：

2022 IEEE MTT-S INTERNATIONAL MICROWAVE WORKSHOP SERIES ON ADVANCED MATERIALS AND PROCESSES FOR RF AND THZ APPLICATIONS, IMWS-AMP | 2022年

基金：

中国国家自然科学基金; 国家重点研发计划;

关键词：

CMOS; 5G; high linearity; high-order matching network; millimeter-wave; mixer; transformer; wideband; LOW-NOISE; AMPLIFIER; BAND;

D O I：

10.1109/IMWS-AMP54652.2022.10106882

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 letter presents a wideband millimeter-wave (mm-Wave) up-conversion mixer with high linearity for multibeam 5G new radio. It consists of a double-balanced switch stage designed by a ring topology and a separated gain stage realized by the common-source (CS) structure with crosscoupled capacitors. To improve the linearity of the circuit, the passive switch stage is placed before the gain stage. Transformer-based high-order matching networks for the mixer are also developed to broaden the RF, LO, and IF terminals' impedance matching. The measured results show the mixer achieves an output 1-dB compression point (OP1dB) of 2.48 dBm with a conversion gain of 2.5 dB. Thanks to the transformerbased matching networks, the fractional matching bandwidths of IF, LO, and RF are up to 88%, 47.6%, and 26.4%, respectively.

引用

页数：3

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