{"title":"A back-to-back horn-antenna quasi-optical amplifier","authors":"Chen-Yu Chi, Gabriel M. Rebeiz","doi":"10.1109/APS.1993.385260","DOIUrl":null,"url":null,"abstract":"A quasi-optical amplifier suitable for Gaussian-beam applications is presented. The amplifier is based on the integrated horn antenna and uses polarization duplexing to isolate the output beam from the input beam. A prototype hybrid amplifier with a measured gain of 10.6 dB at 6 GHz is reported. The amplifier design is uniplanar and compact, and is compatible with the fabrication process of high electron mobility transistors (HEMTs) at millimeter-wave frequencies. The design is single-moded and therefore can be used in existing mm-wave systems as a low-noise amplifier stage before the RF mixer or as an amplifier stage in the transmitting circuit.<<ETX>>","PeriodicalId":138141,"journal":{"name":"Proceedings of IEEE Antennas and Propagation Society International Symposium","volume":"18 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1993-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of IEEE Antennas and Propagation Society International Symposium","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/APS.1993.385260","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 quasi-optical amplifier suitable for Gaussian-beam applications is presented. The amplifier is based on the integrated horn antenna and uses polarization duplexing to isolate the output beam from the input beam. A prototype hybrid amplifier with a measured gain of 10.6 dB at 6 GHz is reported. The amplifier design is uniplanar and compact, and is compatible with the fabrication process of high electron mobility transistors (HEMTs) at millimeter-wave frequencies. The design is single-moded and therefore can be used in existing mm-wave systems as a low-noise amplifier stage before the RF mixer or as an amplifier stage in the transmitting circuit.<>
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