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.
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收藏
页数：4
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