Design and Equivalent Circuit Model Extraction of a Fractal Slot-Loaded 3–40 GHz Super Wideband Antenna

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aut.relation.issue22
aut.relation.journalElectronics
aut.relation.pages20
aut.relation.volume13
dc.contributor.authorAlamro, Wasan
dc.contributor.authorSeet, Boon-Chong
dc.contributor.authorWang, Lulu
dc.contributor.authorParthiban, Prabakar
dc.date.accessioned2024-11-11T23:11:49Z
dc.date.available2024-11-11T23:11:49Z
dc.date.issued2024-11-08
dc.description.abstractIn this paper, we present the design and equivalent circuit model (ECM) of a fractal slot-loaded super wideband (SWB) antenna for compact and high-performance applications operating in the 3–40 GHz range. The proposed antenna features a compact dimension of 40 × 35 × 1.57 mm³, a measured bandwidth ratio of 13:1, a peak gain of 9.7 dBi, an average radiation efficiency of 94%, and a low cross-polarization level across the entire bandwidth. The presented ECM is derived using transmission line theory and incorporates the individual behavior of each constituting element of the antenna. A dual sequential optimization approach is employed to determine the optimal element values. The ECM results show good agreement with both simulated and measured results in terms of the magnitude of reflection coefficient |𝑆11| and both real and imaginary impedances with low mean absolute percentage errors of 4.9%, 7.5%, and 7.7%, respectively, demonstrating the model’s ability to accurately predict the antenna’s performance.
dc.identifier.citationElectronics, ISSN: 2079-9292 (Print); 2079-9292 (Online), MDPI, 13(22). doi: 10.3390/electronics13224380
dc.identifier.doi10.3390/electronics13224380
dc.identifier.issn2079-9292
dc.identifier.issn2079-9292
dc.identifier.urihttp://hdl.handle.net/10292/18261
dc.languageen
dc.publisherMDPI
dc.relation.urihttps://www.mdpi.com/2079-9292/13/22/4380
dc.rights© 2024 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
dc.rights.accessrightsOpenAccess
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subject0906 Electrical and Electronic Engineering
dc.subject4009 Electronics, sensors and digital hardware
dc.titleDesign and Equivalent Circuit Model Extraction of a Fractal Slot-Loaded 3–40 GHz Super Wideband Antenna
dc.typeJournal Article
pubs.elements-id574326
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