A new approach to design of directional couplers

被引：0

作者：

Gwarek, Wojciech ^{[1
]}

机构：

[1] Warsaw Univ Technol, Inst Radioelect, Nowowiejska 15-19, PL-00665 Warsaw, Poland

来源：

2012 19th International Conference on Microwave Radar and Wireless Communications (MIKON), Vols 1 and 2 | 2012年

关键词：

Directional coupler; passive components; waveguides; microstrip circuits; power monitoring; reflection coefficient measurements;

D O I：

暂无

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 paper introduces a fundamentally new approach to a classical problem of design of coupled line directional couplers. It is applicable mainly to short couplers of weak coupling. Unlike the classical approach, the new one does not require the coupler outputs to be well matched and the even and odd mode velocities in the coupled line segment to be equal. Instead, high directivity is obtained by a proper choice of impedances terminating the output ports and shunt impedance between those ports. Examples show exceptionally good results for waveguide and microstrip couplers.

引用

页码：691 / 694

页数：4

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