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Multiband Waveguide Filters with Compact Size and Large Frequency Ratio
Zai-Cheng Guo1; Gang Zhang1; Yun-Peng Lyu2; Lei Zhu3
Source PublicationIEEE Transactions on Plasma Science

In this article, a class of multiband filters, including dual- and triple-band filters, are proposed using thin rectangular waveguide cavities, which are stacked and coupled to the input-output ports in parallel, leading to a multilayer configuration. Each layer could independently control the filtering response of each individual passband, including the operational frequency, insertion loss (IL), and bandwidth. Compared to the reported multiband filters, the proposed multiband filters could simultaneously achieve a large frequency ratio, compact size, independent control of each passband. Moreover, the proposed configuration could be easily extended to filters with more passbands by increasing the number of layers. The design procedures are detailed and one dual-band filter is fabricated. The measured results validate the proposed approach.

KeywordCompact Size Large Frequency Ratio Multiband Filter Rectangular Waveguide Transmission Zero (Tz)
URLView the original
Indexed BySCIE
WOS Research AreaPhysics
WOS SubjectPhysics, Fluids & Plasmas
WOS IDWOS:000769997000029
Scopus ID2-s2.0-85122290750
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Cited Times [WOS]:0   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
Corresponding AuthorGang Zhang
Affiliation1.Jiangsu Key Laboratory of 3D Printing Equipment and Manufacturing, School of Electrical and Automation Engineering, Nanjing Normal University, Nanjing, China
2.College of Telecommunications and Information Engineering, Nanjing University of Posts and Telecommunications, Nanjing, China
3.Department of Electrical and Computer Engineering, Faculty of Science and Technology, University of Macau, Macao
Recommended Citation
GB/T 7714
Zai-Cheng Guo,Gang Zhang,Yun-Peng Lyu,et al. Multiband Waveguide Filters with Compact Size and Large Frequency Ratio[J]. IEEE Transactions on Plasma Science,2022,50(3):761-766.
APA Zai-Cheng Guo,Gang Zhang,Yun-Peng Lyu,&Lei Zhu.(2022).Multiband Waveguide Filters with Compact Size and Large Frequency Ratio.IEEE Transactions on Plasma Science,50(3),761-766.
MLA Zai-Cheng Guo,et al."Multiband Waveguide Filters with Compact Size and Large Frequency Ratio".IEEE Transactions on Plasma Science 50.3(2022):761-766.
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