{"title":"Development of a high average power W-band TWT","authors":"A. Theiss, C. Meadows, K. Montgomery, M. Martin","doi":"10.1109/IVELEC.2008.4556335","DOIUrl":null,"url":null,"abstract":"A first-unit full-gain W-Band folded-waveguide TWT has been rebuilt and is scheduled for hot test. This light-weight integral pole piece TWT is expected to achieve high average power by utilizing multiple L-3 proprietary features: a PPM-type, folded-waveguide circuit that has close-proximity copper-block heat-sinks [1]; a broadband block-type RF window that demonstrated 1500 watts of average-power transmission with a 33% bandwidth match at Ka- band [1]; a tetrode gun that provides high-PRF modulation to diode-gun-quality electron beams [2] [3]; and voided iron parts that permit pole pieces with thicknesses that exceed an RF period to supply focusing fields with lambdaP/L values around 10 for 4-kilowatt beams [4].","PeriodicalId":113971,"journal":{"name":"2008 IEEE International Vacuum Electronics Conference","volume":"33 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2008-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"10","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2008 IEEE International Vacuum Electronics Conference","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IVELEC.2008.4556335","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 10
Abstract
A first-unit full-gain W-Band folded-waveguide TWT has been rebuilt and is scheduled for hot test. This light-weight integral pole piece TWT is expected to achieve high average power by utilizing multiple L-3 proprietary features: a PPM-type, folded-waveguide circuit that has close-proximity copper-block heat-sinks [1]; a broadband block-type RF window that demonstrated 1500 watts of average-power transmission with a 33% bandwidth match at Ka- band [1]; a tetrode gun that provides high-PRF modulation to diode-gun-quality electron beams [2] [3]; and voided iron parts that permit pole pieces with thicknesses that exceed an RF period to supply focusing fields with lambdaP/L values around 10 for 4-kilowatt beams [4].
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