采用缺陷接地结构的新型紧凑型支路耦合器的设计与实现

2008 9th International Conference on Solid-State and Integrated-Circuit Technology Pub Date : 2008-12-30 DOI:10.1109/ICSICT.2008.4734818

Huaming Wang, Xueguan Liu, Wenfeng Cai, Hongfang Cao

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引用次数: 10

摘要

将t型支路耦合器与缺陷接地结构(DGS)相结合，提出了一种新型紧凑型支路定向耦合器。利用传动理论，首先讨论了t型等效结构的参数选择极限。然后，提出了一种带DGS的t型支路耦合器，并利用仿真软件进行了优化设计。测量结果表明，该耦合器结构紧凑，通带平整度好。

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Design and realization of a new compact branch-line coupler using defected ground structure

A new compact branch-line directional coupler is proposed combined the T-model branch line coupler with defected ground structure (DGS). Using transmission theory, the parameter selection limit about the T-Model equivalent structure is discussed firstly. Then a T-model branch line coupler with DGS is proposed and optimum designed with simulation software. The measurement results show that the proposed coupler has the advantages as compact and well passband flatness.

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2008 9th International Conference on Solid-State and Integrated-Circuit Technology

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