{"title":"A VO2-based 30 GHz variable attenuator","authors":"Junwen Jiang, Ka Wai Wong, R. Mansour","doi":"10.1109/MWSYM.2017.8058732","DOIUrl":null,"url":null,"abstract":"This paper presents a millimeter-wave variable attenuator using vanadium dioxide (VO2)-based variable resistors. The thin-films VO2 are integrated monolithically with a 0-dB coupler to realize the variable attenuator. A 30 GHz variable attenuator is designed, fabricated, and tested to verify the concept. It exhibits a continuous attenuation tuning range of 13 dB, and a return loss of 15 dB over a bandwidth of 5 GHz. The proposed VO2 based variable attenuators have a great potential to be used in a wide range of millimeter-wave applications.","PeriodicalId":6481,"journal":{"name":"2017 IEEE MTT-S International Microwave Symposium (IMS)","volume":"32 1","pages":"911-913"},"PeriodicalIF":0.0000,"publicationDate":"2017-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"9","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2017 IEEE MTT-S International Microwave Symposium (IMS)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/MWSYM.2017.8058732","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 9
Abstract
This paper presents a millimeter-wave variable attenuator using vanadium dioxide (VO2)-based variable resistors. The thin-films VO2 are integrated monolithically with a 0-dB coupler to realize the variable attenuator. A 30 GHz variable attenuator is designed, fabricated, and tested to verify the concept. It exhibits a continuous attenuation tuning range of 13 dB, and a return loss of 15 dB over a bandwidth of 5 GHz. The proposed VO2 based variable attenuators have a great potential to be used in a wide range of millimeter-wave applications.
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