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Wideband bandpass filter using u-slotted substrate integrated waveguide (SIW) cavities
Chen R.S.1; Wong S.-W.1; Zhu L.2; Chu Q.-X.1
2015
Source PublicationIEEE Microwave and Wireless Components Letters
ISSN15311309
Volume25Issue:1Pages:1
Abstract

A wideband fifth-order bandpass filter (BPF) is proposed and designed using the U-slotted substrate integrated waveguide (SIW) cavities. The U-shape slots, etched on the SIW cavity, are used to form up a new multiple-mode resonator (MMR) in order to achieve a wide passband of operation while keeping the overall size of the filter circuit to be much compact. The proposed fifth-order SIW filter is 2.5 times in size reduction compared with the traditional fifth-order SIW filters using the single-mode SIW cavities. In order to prove the validity, one wideband SIW BPF on a single layer printed circuit board (PCB) is designed and experimentally examined. The measured results show that the filter achieves an insertion loss of 1.1 dB at 8.5 GHz, return loss of higher than 11 dB and 3 dB fractional bandwidth of 42%. The measured results are in good agreement with the simulated results. © 2001-2012 IEEE.

KeywordBAndpass Filter (Bpf) And Wide passbAnd Multiple-mode Resonator (Mmr) Substrate Integrated Waveguide (Siw) U-shape Slot
DOI10.1109/LMWC.2014.2363291
URLView the original
Indexed BySCI
Language英语
WOS Research AreaEngineering
WOS SubjectEngineering, Electrical & Electronic
WOS IDWOS:000347695700001
The Source to ArticleScopus
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被引频次[WOS]:44   [WOS记录]     [WOS相关记录]
Document TypeJournal article
专题DEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Affiliation1.School of Electronic and Information Engineering, South China University of Technology, Guangzhou, China
2.Department of Electrical and Computer Engineering, University of Macau, Macau, China
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Chen R.S.,Wong S.-W.,Zhu L.,et al. Wideband bandpass filter using u-slotted substrate integrated waveguide (SIW) cavities[J]. IEEE Microwave and Wireless Components Letters,2015,25(1):1.
APA Chen R.S.,Wong S.-W.,Zhu L.,&Chu Q.-X..(2015).Wideband bandpass filter using u-slotted substrate integrated waveguide (SIW) cavities.IEEE Microwave and Wireless Components Letters,25(1),1.
MLA Chen R.S.,et al."Wideband bandpass filter using u-slotted substrate integrated waveguide (SIW) cavities".IEEE Microwave and Wireless Components Letters 25.1(2015):1.
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