A 2.2-4.2-GHz Wideband Analog Phase Shifter MMIC With Low RMS Phase/Amplitude Error

被引：7

作者：

Wu, Xiao-Liang ^{[1
]}

Wang, Jian-Bo ^{[1
]}

Ye, Jian-Yu ^{[1
]}

Jiang, Xin ^{[2
]}

Hua, Guang ^{[1
]}

机构：

[1] Southeast Univ, Sch Informat Sci & Engn, State Key Lab Millimeter Wave, Nanjing, Peoples R China

[2] Nanjing Milliway Microelect Technol Co Ltd, Nanjing, Peoples R China

来源：

IEEE MICROWAVE AND WIRELESS TECHNOLOGY LETTERS | 2023年 / 33卷 / 04期

关键词：

Phase shifters; Gallium arsenide; Phase measurement; Wideband; Microwave circuits; Wireless communication; Voltage measurement; Analog phase shifter (PS); Gallium arsenide (GaAs); monolithic microwave integrated circuit (MMIC); varactor diode; ALL-PASS NETWORK; COMPACT;

D O I：

10.1109/LMWT.2022.3221460

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 2.2-4.2-GHz 360 degrees continuous-tuned phase shifter (PS) using the Gallium arsenide (GaAs) heterojunction bipolar transistor (HBT) technology. A new method for broadband analog PS design based on a tunable low-pass network (LPN), a tunable high-pass network (HPN), and a magnetically coupled all-pass network (MCAPN) configuration is proposed to achieve uniform phase shifting and flat amplitude response at the same time for each phase-shifting state. The fabricated PS demonstrates a low average insertion loss (IL) of 4.9 dBC a low root-mean-square (rms) phase error of less than 5.5 degrees, and a low rms amplitude error of less than 0.47 dB between 2.2 and 4.2 GHz. The proposed analog PS has the most flattened phase performance compared with previously reported pass PSs over a wide bandwidth.

引用

页码：415 / 418

页数：4

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