{"title":"An Open Boundary Quad-Ridged Horn Antenna Operating at 1-18 GHz","authors":"Lei Chang, Ling-Lu Chen, Jian-qiang Zhang, Dan Li","doi":"10.1109/APCAP50217.2020.9246141","DOIUrl":null,"url":null,"abstract":"A dual-polarized open boundary quad-ridged horn antenna operating at 1-18 GHz is presented. The antenna consists of a coaxial-line to ridged-waveguide transition, a conical cavity, and a quad-ridge with an open boundary. By introducing a metal tapered ridge composed of exponential and elliptic sections, a conical cavity, the proposed antenna achieves stable unidirectional radiation and good impedance matching. The simulated results reveal that the impedance bandwidth of VSWR < 2.2 is from 1 to 18 GHz. The proposed antenna has stable radiation patterns, high isolation, and low cross polarization over the whole frequency band.","PeriodicalId":146561,"journal":{"name":"2020 9th Asia-Pacific Conference on Antennas and Propagation (APCAP)","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2020-08-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2020 9th Asia-Pacific Conference on Antennas and Propagation (APCAP)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/APCAP50217.2020.9246141","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
A dual-polarized open boundary quad-ridged horn antenna operating at 1-18 GHz is presented. The antenna consists of a coaxial-line to ridged-waveguide transition, a conical cavity, and a quad-ridge with an open boundary. By introducing a metal tapered ridge composed of exponential and elliptic sections, a conical cavity, the proposed antenna achieves stable unidirectional radiation and good impedance matching. The simulated results reveal that the impedance bandwidth of VSWR < 2.2 is from 1 to 18 GHz. The proposed antenna has stable radiation patterns, high isolation, and low cross polarization over the whole frequency band.
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