Analysis and design of current probe transition from grounded coplanar to substrate integrated rectangular waveguides

被引：105

作者：

Deslandes, D ^{[1
]}

Wu, K ^{[1
]}

机构：

[1] Ecole Polytech, Dept Genie Elect, Polygrames Res Ctr, Montreal, PQ H3V 1A2, Canada

来源：

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 2005年 / 53卷 / 08期

基金：

加拿大自然科学与工程研究理事会;

关键词：

coplanar waveguides (CPWs); modeling; substrate integrated rectangular waveguides (SIRWs); transition;

D O I：

10.1109/TMTT.2005.852778

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：

The transition between a grounded coplanar waveguide (GCPW) and a substrate integrated rectangular waveguide (SIRW) is investigated in this paper. The proposed scheme makes use of a current probe to transfer power between the two dissimilar transmission lines. A computer-aided-design-oriented analytical model is developed in order to optimize the geometrical dimensions of the transition. By using the GCPW instead of the microstrip line to interface the SIRW, substrate thickness can be increased without incurring a penalty due to transmission loss. Therefore, it is possible to achieve higher Q components. Experiments at 28 GHz show that an effective bandwidth of 10% can easily be obtained. The insertion loss is less than 0.73 dB over the bandwidth of interest.

引用

页码：2487 / 2494

页数：8

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