A 4-bit CMOS phase shifter for millimeter-wave phased arrays

被引：1

作者：

Zhou, Chunyuan ^{[1
]}

Zhang, Lei ^{[1
]}

Wang, Yan ^{[1
]}

Yu, Zhiping ^{[1
]}

Qian, He ^{[1
]}

机构：

[1] Tsinghua Univ, Inst Microelect, Beijing 100084, Peoples R China

来源：

ANALOG INTEGRATED CIRCUITS AND SIGNAL PROCESSING | 2014年 / 79卷 / 03期

基金：

中国国家自然科学基金;

关键词：

Active phase shifter; Millimeter wave; Phased array; CMOS;

D O I：

10.1007/s10470-014-0287-z

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

A 4-bit active phase shifter for millimeter-wave phased arrays is presented in this brief. The proposed phase shifter has achieved a phase-shifting range of with a resolution over 40 to 50-GHz. Thanks to the careful dimension designs of digitally controlled gain stage in the programmable weighted combiner, the active phase shifter achieves root-mean-square phase and gain errors of and 1.25-dB at 45-GHz, respectively. The measurement results also show that the input and output return losses are better than 7-dB from 40 to 50-GHz. The whole chip dissipates only 10.7-mA from 1.2-V supply excluding output driven buffer.

引用

页码：461 / 468

页数：8

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