標題: Dual-Band Ring Coupler Based on the Composite Right/Left-Handed Folded Substrate-Integrated Waveguide
作者: Chi, Pei-Ling
Chen, Tse-Yu
電機資訊學士班
Undergraduate Honors Program of Electrical Engineering and Computer Science
關鍵字: Composite right/left-handed (CRLH);dual-band;folded substrate-integrated waveguide (FSIW);ring coupler
公開日期: 1-五月-2014
摘要: In this letter, a dual-band ring coupler based on the folded substrate-integrated waveguide (FSIW) is proposed. The artificial structure, the composite right/left-handed (CRLH) transmission lines were implemented in the FSIW by loading the interdigital capacitors in the middle metallic layer to generate a left-handed passband region below the cutoff frequency of the ordinary waveguide mode for coupler miniaturization. The FSIW is the folded counterpart of the substrate-integrated waveguide (SIW) and thus can prevent the CRLH transmission lines from radiation loss by shielding the interdigital capacitors in the waveguide. Besides, the FSIW-based coupler is able to eliminate the electromagnetic interference (noise) with adjacent objects and lend itself to multilayer circuit integration. A ring coupler that operates at 4.3 and 7.6 GHz was developed and experimentally verified. To the best of the authors\' knowledge, it is the first time that a dual-band rat-race was implemented and reported based on the CRLH-FSIW structure.
URI: http://dx.doi.org/10.1109/LMWC.2014.2309087
http://hdl.handle.net/11536/24442
ISSN: 1531-1309
DOI: 10.1109/LMWC.2014.2309087
期刊: IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS
Volume: 24
Issue: 5
起始頁: 330
結束頁: 332
顯示於類別:期刊論文


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