A dual-band dual-mode microstrip Yagi antenna with quasi-end-fire radiation
Shi,Jiaqi1; Zhu,Lei2; Liu,Neng Wu2; Wu,Wen1
2020-04-01
Source PublicationInternational Journal of RF and Microwave Computer-Aided Engineering
ISSN1096-4290
Volume30Issue:4
AbstractA dual-band dual-mode microstrip Yagi antenna with quasi-end-fire radiation patterns is proposed in this paper. It consists of five radiating patches driven by a single slot-loaded patch placed in the middle. Meanwhile, two slot-loaded parasitic patches are symmetrically located on two sides of the driven patch, respectively. In the lower band, the five patches involved resonate at TM mode. While in the upper band, all the patches resonate at TM mode. In order to ensure quasi-end-fire radiations in the both bands, four slots are symmetrically etched around the strongest surface currents of each patch resonating at TM mode. As a result, the resonant frequency of TM mode is decreased dramatically, while the resonant frequency of TM mode almost remains unchanged. With these arrangements, the separations between any two of the adjacent patches at their centers satisfy the requirements in design of the microstrip Yagi antenna in both bands, so as to realize the dual-band dual-mode microstrip Yagi antenna on a single-layer substrate. Finally, an antenna prototype is fabricated and tested. The measured results reveal that the dual operating bands of 2.76~2.88 and 4.88~5.03 GHz for |S| < −10 dB are satisfactorily achieved. Most importantly, the proposed antenna can indeed realize the quasi-end-fire radiation patterns in dual operating bands.
Keyworddual band dual mode microstrip Yagi antenna quasi-end-fire slot loaded
DOI10.1002/mmce.22132
URLView the original
Language英语
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Cited Times [WOS]:0   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionDEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Corresponding AuthorZhu,Lei
Affiliation1.Ministerial Key Laboratory of JGMT,Nanjing University of Science and Technology,Xiaolingwei 200, Nanjing,China
2.Electrical and Computer Engineering,Faculty of Science and Technology,University of Macau,Macau,China
Corresponding Author AffilicationFaculty of Science and Technology
Recommended Citation
GB/T 7714
Shi,Jiaqi,Zhu,Lei,Liu,Neng Wu,et al. A dual-band dual-mode microstrip Yagi antenna with quasi-end-fire radiation[J]. International Journal of RF and Microwave Computer-Aided Engineering,2020,30(4).
APA Shi,Jiaqi,Zhu,Lei,Liu,Neng Wu,&Wu,Wen.(2020).A dual-band dual-mode microstrip Yagi antenna with quasi-end-fire radiation.International Journal of RF and Microwave Computer-Aided Engineering,30(4).
MLA Shi,Jiaqi,et al."A dual-band dual-mode microstrip Yagi antenna with quasi-end-fire radiation".International Journal of RF and Microwave Computer-Aided Engineering 30.4(2020).
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