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Triple-mode cavity bandpass filter under excitation via U-shaped slots
Guo, Zai-Cheng1; Wong, Sai-Wai2; Lin, Jing-Yu1; Zhu, Lei3; Chu, Qing-Xin1
2017-11-23
Source PublicationELECTRONICS LETTERS
ISSN0013-5194
Volume53Issue:24Pages:1580-1582
Abstract

A triple-mode narrow-band bandpass filter is presented by exploiting three fundamental resonant modes, TE101, TE011 and TM110 modes, in a single air-filled rectangular cavity. Compared with the conventional multimode cavity filter, the proposed filter is to simultaneously excite these three resonant modes without installing any cuts or screws inside the cavity, so as to keep the integrity of the cavity and decrease the fabrication cost. In particular, an inclined U-shaped slot is utilised at each of the microstrip feed line to properly excite these three modes such that not only three poles are achieved within the desired passband but also a pair of transmission zeros are generated in the lower and upper stop-bands. A single metal rectangular filter is finally fabricated and tested. The measured results have well validated the simulated results.

DOI10.1049/el.2017.3037
URLView the original
Indexed BySCI
Language英语
WOS Research AreaEngineering
WOS SubjectEngineering, Electrical & Electronic
WOS IDWOS:000417106200014
PublisherINST ENGINEERING TECHNOLOGY-IET
The Source to ArticleWOS
Fulltext Access
Citation statistics
Document TypeJournal article
CollectionDEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Corresponding AuthorZhu, Lei
Affiliation1.South China Univ Technol, Sch Elect & Informat Engn, Guangzhou 510640, Guangdong, Peoples R China
2.Shenzhen Univ, Coll Informat Engn, Shenzhen 518060, Peoples R China
3.Univ Macau, Dept Elect & Comp Engn, Fac Sci & Technol, Macau, Peoples R China
Corresponding Author AffilicationUniversity of Macau
Recommended Citation
GB/T 7714
Guo, Zai-Cheng,Wong, Sai-Wai,Lin, Jing-Yu,et al. Triple-mode cavity bandpass filter under excitation via U-shaped slots[J]. ELECTRONICS LETTERS,2017,53(24):1580-1582.
APA Guo, Zai-Cheng,Wong, Sai-Wai,Lin, Jing-Yu,Zhu, Lei,&Chu, Qing-Xin.(2017).Triple-mode cavity bandpass filter under excitation via U-shaped slots.ELECTRONICS LETTERS,53(24),1580-1582.
MLA Guo, Zai-Cheng,et al."Triple-mode cavity bandpass filter under excitation via U-shaped slots".ELECTRONICS LETTERS 53.24(2017):1580-1582.
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