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Triple-Mode and Triple-Band Cavity Bandpass Filter on Triplet Topology With Controllable Transmission Zeros
Wong, Sai-Wai1; Guo, Zai-Cheng2; Lin, Jing-Yu3; Zhu, Lei2; Zhang, Qingfeng4
2018
Source PublicationIEEE ACCESS
ISSN2169-3536
Volume6Pages:29452-29459
Abstract

On the basis of triplet and its properties, a class of triple-mode and triple-band narrow-band bandpass filters is presented and designed by simultaneously exploiting the three resonant modes in a single rectangular cavity: TE101, TE011, and TM110 modes. The input/output ports of the proposed filter are formed by coupling a waveguide feed to a slot on the side wall of a rectangular cavity. These resonant modes are excited by making use of the position and shape of the slots at input/output of the rectangular cavity without any intra-cavity coupling structure. Besides three poles within the desired passband, a pair of transmission zeros (TZs) can be produced and controlled to appear at the inner or outer sides of this passband. Due to emergence of the three resonant modes and realization of a pair of TZs, a highly attenuated and sharpened filtering selectivity is achieved. In order to verify the proposed approach, two filter prototypes are in final fabricated and measured.

KeywordTriplet Triple-mode Triple-band Rectangular Cavity Bandpass Filter Slots
DOI10.1109/ACCESS.2018.2837138
URLView the original
Indexed BySCI
Language英语
WOS Research AreaComputer Science ; Engineering ; Telecommunications
WOS SubjectComputer Science, Information Systems ; Engineering, Electrical & Electronic ; Telecommunications
WOS IDWOS:000435522600002
PublisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
The Source to ArticleWOS
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Cited Times [WOS]:2   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionFaculty of Science and Technology
DEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Affiliation1.College of Information Engineering, Shenzhen University, Shenzhen 518320, China
2.2Department of Electrical and Computer Engineering, Faculty of Science and Technology, University of Macau, Macau 999078, China
3.School of Electronic and Information Engineering, South China University of Technology, Guangzhou 510640, China
4.Department of Electronics and Electrical Engineering, South University of Science and Technology of China, Shenzhen 518055, China
Recommended Citation
GB/T 7714
Wong, Sai-Wai,Guo, Zai-Cheng,Lin, Jing-Yu,et al. Triple-Mode and Triple-Band Cavity Bandpass Filter on Triplet Topology With Controllable Transmission Zeros[J]. IEEE ACCESS,2018,6:29452-29459.
APA Wong, Sai-Wai,Guo, Zai-Cheng,Lin, Jing-Yu,Zhu, Lei,&Zhang, Qingfeng.(2018).Triple-Mode and Triple-Band Cavity Bandpass Filter on Triplet Topology With Controllable Transmission Zeros.IEEE ACCESS,6,29452-29459.
MLA Wong, Sai-Wai,et al."Triple-Mode and Triple-Band Cavity Bandpass Filter on Triplet Topology With Controllable Transmission Zeros".IEEE ACCESS 6(2018):29452-29459.
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