{"title":"Multi-ring element FSS for multi-band applications","authors":"T. Wu, K. Woo, S. Lee","doi":"10.1109/APS.1992.221506","DOIUrl":null,"url":null,"abstract":"NASA's CRAF/Cassini (C/C) project requires the use of multiple RF frequencies at S, X, Ku, and Ka bands for science investigations and data communications links. A single high-gain antenna (HGA) will be used. It incorporates a frequency-selective subreflector (FSS) to allow a Cassegrain configuration at X (7.2 and 8.4 GHz) and Ka (32 and 34.5 GHz) bands, and a prime focus configuration at S (2.3 GHz) and Ku (13.8 GHz) bands. A four-based FSS design for the C/C application is reported. The selection of the concentric ring elements is based on the fact that the ring's geometry is particularly conformable to the present circular polarization requirement and ease of manufacture.<<ETX>>","PeriodicalId":289865,"journal":{"name":"IEEE Antennas and Propagation Society International Symposium 1992 Digest","volume":"20 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1992-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"31","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"IEEE Antennas and Propagation Society International Symposium 1992 Digest","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/APS.1992.221506","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 31
Abstract
NASA's CRAF/Cassini (C/C) project requires the use of multiple RF frequencies at S, X, Ku, and Ka bands for science investigations and data communications links. A single high-gain antenna (HGA) will be used. It incorporates a frequency-selective subreflector (FSS) to allow a Cassegrain configuration at X (7.2 and 8.4 GHz) and Ka (32 and 34.5 GHz) bands, and a prime focus configuration at S (2.3 GHz) and Ku (13.8 GHz) bands. A four-based FSS design for the C/C application is reported. The selection of the concentric ring elements is based on the fact that the ring's geometry is particularly conformable to the present circular polarization requirement and ease of manufacture.<>
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