{"title":"A wideband double dipole quasi-Yagi antenna using a microstrip-slotline transition feed","authors":"S. Ta, Jea Jin Han, H. Choo, I. Park","doi":"10.5515/JKIEES.2013.13.1.22","DOIUrl":null,"url":null,"abstract":"This paper describes a wideband double dipole quasi-Yagi antenna fed by a microstrip-to-slotline transition. The transition feed consists of a microstrip radial stub and a slot radial stub, each with the same angle of 90°, but with different radii to achieve wideband impedance matching. Double dipoles with different lengths are utilized as primary radiation elements to enhance bandwidth and achieve stable radiation patterns. The antenna has a bandwidth of 3.65-8.90 GHz for a -10 dB reflection coefficient, and a flat gain of 6.4-7.6 dB across the bandwidth. The proposed antenna could be widely applicable to wideband wireless communication systems due to wideband characteristics, planar structure, and stable radiation pattern.","PeriodicalId":6341,"journal":{"name":"2012 IEEE International Workshop on Antenna Technology (iWAT)","volume":"5 1","pages":"84-87"},"PeriodicalIF":0.0000,"publicationDate":"2012-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"14","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2012 IEEE International Workshop on Antenna Technology (iWAT)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.5515/JKIEES.2013.13.1.22","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 14
Abstract
This paper describes a wideband double dipole quasi-Yagi antenna fed by a microstrip-to-slotline transition. The transition feed consists of a microstrip radial stub and a slot radial stub, each with the same angle of 90°, but with different radii to achieve wideband impedance matching. Double dipoles with different lengths are utilized as primary radiation elements to enhance bandwidth and achieve stable radiation patterns. The antenna has a bandwidth of 3.65-8.90 GHz for a -10 dB reflection coefficient, and a flat gain of 6.4-7.6 dB across the bandwidth. The proposed antenna could be widely applicable to wideband wireless communication systems due to wideband characteristics, planar structure, and stable radiation pattern.
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