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An ultra-wideband bandpass frequency selective structure based on hybrid multimode resonators
Hanxuan Li1; Bo Li1; Lei Zhu2
2020-03-19
Conference NameAsia-Pacific Conference on Microwave
Source PublicationAsia-Pacific Microwave Conference Proceedings, APMC
Volume2019-December
Pages393-395
Conference Date10-13 Dec. 2019
Conference PlaceSingapore
Abstract

In this paper, an ultra-wideband (UWB) bandpass frequency selective structure (FSS) based on hybrid multimode slotline-microstrip-slotline resonators is presented. The proposed FSS consists of a periodic array of stacked slotline-microstrip-slotline structures, which can achieve mode conversion between the incident spatial waves and the guided waves. Then, by constructing multimode resonators in the hybrid slotline-microstrip-slotline structures, a UWB bandpass response can be achieved with multiple in-band transmission poles. Furthermore, by introducing cross-couplings between the first and last slotline resonators, a pair of transmission zeros are generated at both sides of the desired passband to enhance the roll-off-slopes and the out-of-band performance. In order to verify the concept, a proposed FSS example is designed and fabricated. The measured results exhibit UWB bandpass filtering responses with seven inband transmission poles and a pair of transmission zeros close to the passband, which indicates 117% fractional bandwidth.

KeywordFrequency Selective Structure (Fss) Multimode Resonators Transmission Zeros Ultrawideband (Uwb) Bandpass
DOI10.1109/APMC46564.2019.9038616
URLView the original
Indexed ByCPCI-S
Language英語English
WOS Research AreaTelecommunications
WOS SubjectTelecommunications
WOS IDWOS:000565730300132
Scopus ID2-s2.0-85082984989
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Cited Times [WOS]:0   [WOS Record]     [Related Records in WOS]
Document TypeConference paper
CollectionUniversity of Macau
Affiliation1.College of Electronic and Optical Engineering & College of Microelectronics, Nanjing University of Posts and Telecommunications, Nanjing, China
2.Department of Electrical and Computer Engineering, Faculty of Science and Technology, University of Macau, Macau, China
Recommended Citation
GB/T 7714
Hanxuan Li,Bo Li,Lei Zhu. An ultra-wideband bandpass frequency selective structure based on hybrid multimode resonators[C],2020:393-395.
APA Hanxuan Li,Bo Li,&Lei Zhu.(2020).An ultra-wideband bandpass frequency selective structure based on hybrid multimode resonators.Asia-Pacific Microwave Conference Proceedings, APMC,2019-December,393-395.
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