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Miniaturization of Triple-Mode Wideband Bandpass Filters
Zhi-Chong Zhang1; Xu-Zhou Yu2; Sai-Wai Wong2; Bing-Xiong Zhao2; Jing-Yu Lin3; Xiao Zhang2; Kam-Weng Tam4
2022-08
Source PublicationIEEE Transactions on Components, Packaging and Manufacturing Technology
ISSN2156-3950
Abstract

In this article, a class of wideband bandpass filters (BPFs) using triple-mode coaxial resonators has been introduced. Each triple-mode resonator is utilized with TM010 mode, TE- mode, and TE+ mode orthogonal to each other. Two L-shaped feeding probes and a loading disk are adopted to implement the miniaturization of these wideband BPFs. To observe the degree of miniaturization, we set a design specification of the same fractional bandwidth (FBW) of 40% at the same central frequency of 2.5 GHz. After employing the L-shaped feeding probes and loading disk, the efficient circuit size without cavity thickness is reduced by 80% compared with the triple-mode wideband filter without L-shaped feeding probes and loading disk. In contrast the unloaded quality factors are slightly changed. In addition, another advantage of this work is that the upper stopband is extended to 2.5 f0. Three experimental wideband BPFs in the large, medium, and small sizes are designed, manufactured, and tested for demonstration. Good agreements are obtained between simulation and experiment.

DOI10.1109/TCPMT.2022.3195729
Indexed BySCIE
PublisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
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Cited Times [WOS]:0   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionDEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Faculty of Science and Technology
Affiliation1.College of Electronic and Information Engineering, Jinggangshan University, Ji’an, China
2.College of Electronics and Information Engineering, Shenzhen University, Shenzhen, China
3.School of Electrical and Data Engineering, University of Technology Sydney, Ultimo, NSW, Australia
4.Faculty of Science and Technology, University of Macau, Macau, China
Recommended Citation
GB/T 7714
Zhi-Chong Zhang,Xu-Zhou Yu,Sai-Wai Wong,et al. Miniaturization of Triple-Mode Wideband Bandpass Filters[J]. IEEE Transactions on Components, Packaging and Manufacturing Technology,2022.
APA Zhi-Chong Zhang,Xu-Zhou Yu,Sai-Wai Wong,Bing-Xiong Zhao,Jing-Yu Lin,Xiao Zhang,&Kam-Weng Tam.(2022).Miniaturization of Triple-Mode Wideband Bandpass Filters.IEEE Transactions on Components, Packaging and Manufacturing Technology.
MLA Zhi-Chong Zhang,et al."Miniaturization of Triple-Mode Wideband Bandpass Filters".IEEE Transactions on Components, Packaging and Manufacturing Technology (2022).
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