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Three-Way Multiple-Mode Cavity Filtering Crossover for Narrowband and Broadband Applications
Jing-Yu Lin1; Sai-Wai Wong2; Yu-Ming Wu3; Yang Yang1; Lei Zhu4; Yejun He2
2018-12-28
Source PublicationIEEE Transactions on Microwave Theory and Techniques
ISSN0018-9480
Pages1-10
Abstract

In this paper, the design of a cavity crossover with three intersecting channels is presented. The three fundamental modes of a cavity resonator, namely, TE₀₁₁, TE₁₀₁, and TM₁₁₀ modes, are adopted to resonate at each of three channels, respectively. Due to the modal orthogonality of these fundamental modes, high isolation among three channels can be achieved. Two kinds of crossovers, for narrowband and broadband applications, are presented. For the narrowband case, the proposed crossover resonates at 2.91 GHz with the fractional bandwidth of 1.4%. For the broadband case, the proposed crossover resonates at 3 GHz with the fractional bandwidth of 24%. The isolations of both designs reach more than 50 dB. For a proof of concept, the broadband example of the cavity crossover structures is fabricated and measured. A good agreement between the simulated and the measured results verifies the accuracy of the proposed design methodology.

KeywordBroadband Cavity Crossover Multiple Mode Rectangular Cavity Slot Coupling Three Channel Triple-mode Resonator (Tmr)
DOIhttps://doi.org/10.1109/TMTT.2018.2886835
Indexed BySCI
Language英语
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Document TypeJournal article
专题Faculty of Science and Technology
DEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Corresponding AuthorSai-Wai Wong
Affiliation1.School of Electrical and Data Engineering, University of Technology Sydney, Ultimo, NSW 2007, Australia
2.College of Information Engineering, Shenzhen University, Shenzhen 518060, China
3.School of Electronic and Information Engineering, South China University of Technology, Guangzhou 510641, China
4.Department of Electrical and Computer Engineering, University of Macau, Macau 999078, China
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GB/T 7714
Jing-Yu Lin,Sai-Wai Wong,Yu-Ming Wu,et al. Three-Way Multiple-Mode Cavity Filtering Crossover for Narrowband and Broadband Applications[J]. IEEE Transactions on Microwave Theory and Techniques,2018:1-10.
APA Jing-Yu Lin,Sai-Wai Wong,Yu-Ming Wu,Yang Yang,Lei Zhu,&Yejun He.(2018).Three-Way Multiple-Mode Cavity Filtering Crossover for Narrowband and Broadband Applications.IEEE Transactions on Microwave Theory and Techniques,1-10.
MLA Jing-Yu Lin,et al."Three-Way Multiple-Mode Cavity Filtering Crossover for Narrowband and Broadband Applications".IEEE Transactions on Microwave Theory and Techniques (2018):1-10.
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