C-band 6-bit phase shifter for a phase array antenna

被引：2

作者：

Yang Xiaofeng ^{[1
]}

Shi Jiangyi ^{[1
]}

机构：

[1] Xidian Univ, Sch Microelect, Minist Educ, Key Lab Wide Band Gap Semicond Mat & Devices, Xian 710071, Peoples R China

来源：

JOURNAL OF SEMICONDUCTORS | 2013年 / 34卷 / 04期

关键词：

MMIC; high-pass/low-pass network; all-pass network; series scatter restrain;

D O I：

10.1088/1674-4926/34/4/045009

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

A C-band 6-bit digital phase shifter is presented. The phase shifter is based on the synthetic design of a high-pass/low-pass network and the all-pass network. The series scatter restrain method is also discussed. The phase shifter is fabricated in 0.25 mu m GaAs PHEMT technology and developed for C-band phased arrays, and the relative phase shift varies from 0 to 360 in step of 5.625 degrees. The phase shifter, with a chip size of 4 x 1.95 mm(2), has achieved an insertion loss better than 6.4 dB, RMS phase error of less than 1.73 degrees, and an input and output VSWR less than 1.6 at all conditions.

引用

页数：4

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