基于新型左右复合传输线结构的小型化支路耦合器设计

2019 IEEE International Conference on Computational Electromagnetics (ICCEM) Pub Date : 2019-03-20 DOI:10.1109/COMPEM.2019.8779071

L. Geng, Guangming Wang, Peng Peng, Yawei Wang

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引用次数: 2

摘要

提出了一种包含指间结构和双螺旋缺陷共振单元的新型复合左/右传输线。数字间结构提供负-μ的印象，双螺旋缺陷共振单元提供负-ε的印象，因此所提出的结构是右/左复合结构。然后利用所提出的传输线设计了一种小型化的支路耦合器。设计的耦合器工作在左/右复合传输线的左手带宽上，因此与传统支路耦合器相比，其尺寸减小了66%。

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Design of Miniaturized Branch-Line Coupler Based on Novel Composite Right/Left-Handed Transmission Line Structure

A novel composite right/left-handed transmission line which includes interdigtial structure and double-spiral-defected resonant cell is proposed. The interdigital structure provides the impression of the negative-μ, and the double-spiral-defected resonant cell provides the impression of the negative-ε, so the proposed structure is composite right/left-handed structure. Then a miniaturized branch-line coupler using the proposed transmission line is designed. The designed coupler works at the left-handed bandwidth of the proposed composite right/left-handed transmission line, so it has a size reduction of 66% compared to the traditional branch-line coupler.

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2019 IEEE International Conference on Computational Electromagnetics (ICCEM)

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