UM
High selective compact dual-band filter using ring resonator with quarter-wavelength stubs
Peng, Yatao; Zhang, Lijun; Zheng, Zhanqi; Leng, Yongqing
2017-11-23
Source PublicationELECTRONICS LETTERS
ISSN0013-5194
Volume53Issue:24
AbstractA ring resonator loaded with five open stubs is proposed for the design of dual-band bandpass filters. To shrink the filter layout, a pair of loaded quarter-wavelength stubs is utilised to produce the first passband. On the other hand, the introduced coupling between the quarter-wavelength stubs and the ring resonator produced transmission zeros for enhancing the selectivity. Both bandwidth and central frequency ratio of the two passbands can be adjusted freely by the circuit parameters. Two coupling lines are added beside the resonator as feed-lines to construct a filter with high selectivity and compact size. A filter at 1.57/2.45 GHz is designed, fabricated and measured for verification.
KeywordUHF resonators UHF filters resonator filters band-pass filters poles and zeros coupled transmission lines high selective compact dual-band filter ring resonator frequency 1 57 GHz to 2 45 GHz coupling lines circuit parameters central frequency ratio selectivity enhancement transmission zeros loaded quarter-wavelength stubs filter layout dual-band bandpass filters
DOI10.1049/el.2017.3451
URLView the original
Indexed BySCI
Language英语
WOS Research AreaEngineering
WOS SubjectEngineering, Electrical & Electronic
WOS IDWOS:000417106200019
PublisherINST ENGINEERING TECHNOLOGY-IET
The Source to ArticleWOS
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Citation statistics
Cited Times [WOS]:2   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Recommended Citation
GB/T 7714
Peng, Yatao,Zhang, Lijun,Zheng, Zhanqi,et al. High selective compact dual-band filter using ring resonator with quarter-wavelength stubs[J]. ELECTRONICS LETTERS,2017,53(24).
APA Peng, Yatao,Zhang, Lijun,Zheng, Zhanqi,&Leng, Yongqing.(2017).High selective compact dual-band filter using ring resonator with quarter-wavelength stubs.ELECTRONICS LETTERS,53(24).
MLA Peng, Yatao,et al."High selective compact dual-band filter using ring resonator with quarter-wavelength stubs".ELECTRONICS LETTERS 53.24(2017).
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