{"title":"A compact wideband coupler for single-antenna microwave radar","authors":"Xiaoqiang Li, M. Cai, Wei Shi, Guangli Yang","doi":"10.1109/APCAP.2017.8420894","DOIUrl":null,"url":null,"abstract":"In this paper, a compact wideband coupler is designed and fabricated between S-Band and C-Band. And a single-antenna radar transceiver utilizing this coupler is proposed. The advantages of the coupler are wideband, compact size, ease of integration and good isolation. Measured and simulated results show that the bandwidth of the coupler is 95% (2.5 to 7.2 GHz) when the port connected to transmitter is excited, and 98% (2.5 to 7.3 GHz) when the port connected to antenna is excited. Also, isolation is more than 20dB over the operating frequencies.","PeriodicalId":367467,"journal":{"name":"2017 Sixth Asia-Pacific Conference on Antennas and Propagation (APCAP)","volume":"112 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2017 Sixth Asia-Pacific Conference on Antennas and Propagation (APCAP)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/APCAP.2017.8420894","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
In this paper, a compact wideband coupler is designed and fabricated between S-Band and C-Band. And a single-antenna radar transceiver utilizing this coupler is proposed. The advantages of the coupler are wideband, compact size, ease of integration and good isolation. Measured and simulated results show that the bandwidth of the coupler is 95% (2.5 to 7.2 GHz) when the port connected to transmitter is excited, and 98% (2.5 to 7.3 GHz) when the port connected to antenna is excited. Also, isolation is more than 20dB over the operating frequencies.
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