Design of EBG microstrip directional coupler with high directivity and coupling

被引：0

作者：

Chudzik, M. ^{[1
]}

Arnedo, I. ^{[1
]}

Lujambio, A. ^{[1
]}

Arregui, I. ^{[1
]}

Teberio, F. ^{[1
]}

Benito, D. ^{[1
]}

Lopetegi, T. ^{[1
]}

Laso, M. A. G. ^{[1
]}

机构：

[1] Univ Publ Navarra, Dept Elect & Elect Engn, Pamplona 31006, Spain

来源：

2012 42ND EUROPEAN MICROWAVE CONFERENCE (EUMC) | 2012年

关键词：

Directional coupler; coupled lines; directivity; coupling factor; EBG structures; microstrip technology; LINES;

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：

In this paper, a novel microstrip directional coupler with high directivity and coupling is proposed. It is based on the introduction of an electromagnetic bandgap (EBG) structure on the coupled lines to strongly enhance the desired backward coupling at the design frequency. The use of microstrip technology implies that the even and odd modes propagate at different speeds. This property causes a frequency dependent interchange of the energy between the direct and isolated ports. By adjusting the total length of the device in order to achieve a null of energy at the isolated port at the design frequency, a very high directivity and coupling (51.2 dB and 1.36 dB, respectively, at 10 GHz in the example presented) is achieved in the novel directional coupler proposed.

引用

页码：483 / 486

页数：4

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