Six-port reflectometer based on modified hybrid couplers

被引：34

作者：

Yao, Ji Jun ^{[1
]}

Yeo, Swee Ping ^{[2
]}

机构：

[1] ST Elect, Singapore 119260, Singapore

[2] Natl Univ Singapore, Dept Elect & Comp Engn, Singapore 119260, Singapore

来源：

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 2008年 / 56卷 / 02期

关键词：

coplanar-waveguide (CPW) couplers; six-port reflectometers;

D O I：

10.1109/TMTT.2007.914626

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：

Six-port reflectometers have traditionally employed hybrid couplers as their building blocks, but the instruments reported thus far in the literature do not comply with the optimum design specifications. This paper describes a six-port reflectometer based on four-port coplanar-waveguide couplers that have been modified so as to meet such design requirements. Additional design parameters have been incorporated so that adjustments may be made to correct for residual hardware imperfections. Laboratory tests have confirmed an operating bandwidth of 90% (from 1.1 to 2.9 GHz) for the resulting reflectometer.

引用

页码：493 / 498

页数：6

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