Bandwidth-enhanced branch-line coupler using the center-loaded vertical line and distributed capacitors

Tse Yu Chen*, Pei-Ling Chi

*此作品的通信作者

研究成果: Conference contribution同行評審

2 引文 斯高帕斯(Scopus)

摘要

In this paper, the technique that loads the center of the horizontal transmission lines in a conventional branch-line coupler by a vertical line section as well as the distributed capacitors is presented to enhance the coupler bandwidths. Based on the proposed structure, the numerical solution derived from the even/odd-mode decomposition analysis for optimized bandwidth enhancement is applied for structural parameters. Experimental results show that the developed 90° coupler demonstrates more than 11% return-loss/isolation bandwidth increase as compared to the conventional quadrature hybrid. Furthermore, the 3dB±1dB magnitude-and 90°±5o phase-difference bandwidths are 3% and 14% increased, respectively.

原文English
主出版物標題2012 Asia-Pacific Microwave Conference, APMC 2012 - Proceedings
頁面989-991
頁數3
DOIs
出版狀態Published - 1 十二月 2012
事件2012 Asia-Pacific Microwave Conference, APMC 2012 - Kaohsiung, Taiwan
持續時間: 4 十二月 20127 十二月 2012

出版系列

名字Asia-Pacific Microwave Conference Proceedings, APMC

Conference

Conference2012 Asia-Pacific Microwave Conference, APMC 2012
國家/地區Taiwan
城市Kaohsiung
期間4/12/127/12/12

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