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170W Ka-Band space TWT 170W ka波段空间行波管
IEEE International Vacuum Electronics Conference. International Vacuum Electronics Conference Pub Date : 2014-04-22 DOI: 10.1109/IVEC.2014.6857480
Jean Gastaud, Evelyne Gerard, A. Laurent, Heiko Stalzer
{"title":"170W Ka-Band space TWT","authors":"Jean Gastaud, Evelyne Gerard, A. Laurent, Heiko Stalzer","doi":"10.1109/IVEC.2014.6857480","DOIUrl":"https://doi.org/10.1109/IVEC.2014.6857480","url":null,"abstract":"In satellite systems, on-board repeaters shall deliver always more RF power. Specifically in Ka-Band applications like HDTV or Internet, the satellite Capacity must be increased to improve the Data Rate Transfer. This Capacity increase leads to a substantial increase of Specified RF Output Power. In order to respond to this demand, Thales Electron Devices (TED), with the support of CNES (French Space Agency), has qualified a conduction cooled TWT (TH4816C) and is currently completing the Qualification of a radiation cooled TWT (TH4816R). These TWTs deliver 170W in Ka frequency band. This paper gives the main technical characteristics of the TH4816 family design and the main performances over the full Ka frequency band from 17.3 to 21.2 GHz.","PeriodicalId":88890,"journal":{"name":"IEEE International Vacuum Electronics Conference. International Vacuum Electronics Conference","volume":"215 1","pages":"41-42"},"PeriodicalIF":0.0,"publicationDate":"2014-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74165382","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Experimental demonstration of a pulsed, self-biasing depressed collector 脉冲自偏压集电极的实验演示
IEEE International Vacuum Electronics Conference. International Vacuum Electronics Conference Pub Date : 2014-04-22 DOI: 10.1109/IVEC.2014.6857563
M. Kemp, A. Jensen, J. Neilson
{"title":"Experimental demonstration of a pulsed, self-biasing depressed collector","authors":"M. Kemp, A. Jensen, J. Neilson","doi":"10.1109/IVEC.2014.6857563","DOIUrl":"https://doi.org/10.1109/IVEC.2014.6857563","url":null,"abstract":"High peak-power RF sources common to accelerator applications have ever-increasing electrical efficiency requirements. As such, SLAC is investigating methods to increase RF source efficiency for pulsed systems. A novel self-biasing depressed collector has been proposed. This paper is a description of the experimental demonstration of the technique.","PeriodicalId":88890,"journal":{"name":"IEEE International Vacuum Electronics Conference. International Vacuum Electronics Conference","volume":"68 1","pages":"207-208"},"PeriodicalIF":0.0,"publicationDate":"2014-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74466807","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Plenary talk: Revisiting the world above 100 GHz: What has changed in six years 全体会议发言:重新审视100ghz以上的世界:六年来发生了什么变化
IEEE International Vacuum Electronics Conference. International Vacuum Electronics Conference Pub Date : 2014-04-22 DOI: 10.1109/IVEC.2014.6857462
H. Bruce Wallace
{"title":"Plenary talk: Revisiting the world above 100 GHz: What has changed in six years","authors":"H. Bruce Wallace","doi":"10.1109/IVEC.2014.6857462","DOIUrl":"https://doi.org/10.1109/IVEC.2014.6857462","url":null,"abstract":"In 2008, Dr. Mark Rosker presented a Plenary presentation describing his vision of issues and requirements above 100 GHz which would drive vacuum electronic device research and development. Since that time, the author has joined DARPA and has instituted programs that are dependent upon those device development programs discussed. This presentation will revisit those issues and requirements, discuss new DARPA programs that rely upon those developments and how the process of applying the components Dr. Rosker has taken us to the next level of challenges in vacuum electronic device development.","PeriodicalId":88890,"journal":{"name":"IEEE International Vacuum Electronics Conference. International Vacuum Electronics Conference","volume":"6 1","pages":"5-5"},"PeriodicalIF":0.0,"publicationDate":"2014-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74740347","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Fabrication and test of a 10 MW, L-band, annular beam klystron 10mw l波段环形速调管的制造与测试
IEEE International Vacuum Electronics Conference. International Vacuum Electronics Conference Pub Date : 2014-04-22 DOI: 10.1109/IVEC.2014.6857640
M. Read, P. Ferguson, D. Marsden, G. Collins, R. Ives
{"title":"Fabrication and test of a 10 MW, L-band, annular beam klystron","authors":"M. Read, P. Ferguson, D. Marsden, G. Collins, R. Ives","doi":"10.1109/IVEC.2014.6857640","DOIUrl":"https://doi.org/10.1109/IVEC.2014.6857640","url":null,"abstract":"Fabrication and testing of a 10 MW, 1.3 GHz annular beam klystron is reported.","PeriodicalId":88890,"journal":{"name":"IEEE International Vacuum Electronics Conference. International Vacuum Electronics Conference","volume":"6 1","pages":"363-364"},"PeriodicalIF":0.0,"publicationDate":"2014-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80502366","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
A new improved slow wave structure for broadband millimeter wave traveling wave tubes 一种改进的宽带毫米波行波管慢波结构
IEEE International Vacuum Electronics Conference. International Vacuum Electronics Conference Pub Date : 2014-04-22 DOI: 10.1109/IVEC.2014.6857615
R. Hwu, J. Ren, D. Kress, L. Sadwick
{"title":"A new improved slow wave structure for broadband millimeter wave traveling wave tubes","authors":"R. Hwu, J. Ren, D. Kress, L. Sadwick","doi":"10.1109/IVEC.2014.6857615","DOIUrl":"https://doi.org/10.1109/IVEC.2014.6857615","url":null,"abstract":"There continues to be increasing demands for high performance broadband traveling wave tubes (TWTs) at millimeter waves (MMW) for communications applications. The high performance requirements for these TWTs include relatively high power, efficiency, and good linearity. The smaller size and the associated effects of the small size on the manufacture of these MMW TWTs, together with the relatively high power requirements, provide motivation for innovative improvements in slow wave structures (SWSs) for high performance, high power MMW TWTs.","PeriodicalId":88890,"journal":{"name":"IEEE International Vacuum Electronics Conference. International Vacuum Electronics Conference","volume":"38 1","pages":"313-314"},"PeriodicalIF":0.0,"publicationDate":"2014-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81773189","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Wide-band TWT of X/Ku-range for microwave power module 用于微波功率模块的X/ ku量程宽带行波管
IEEE International Vacuum Electronics Conference. International Vacuum Electronics Conference Pub Date : 2014-04-22 DOI: 10.1109/IVEC.2014.6857619
G. A. Azov, M. V. Efremova, S. A. Khritkin
{"title":"Wide-band TWT of X/Ku-range for microwave power module","authors":"G. A. Azov, M. V. Efremova, S. A. Khritkin","doi":"10.1109/IVEC.2014.6857619","DOIUrl":"https://doi.org/10.1109/IVEC.2014.6857619","url":null,"abstract":"Results of numerical modeling of slow-wave structure and the electron-optical system of wide-band TWT with continuous output power above 200 W and a gain of 23 dB, for use in vacuum-solid-state amplifier module X / Ku-band have been given.","PeriodicalId":88890,"journal":{"name":"IEEE International Vacuum Electronics Conference. International Vacuum Electronics Conference","volume":"24 1","pages":"321-322"},"PeriodicalIF":0.0,"publicationDate":"2014-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81741787","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Calculation and comparison for the axial electric field profile in multi-gap Hughes-type coupled cavity chain 多间隙休斯型耦合腔链轴向电场分布的计算与比较
IEEE International Vacuum Electronics Conference. International Vacuum Electronics Conference Pub Date : 2014-04-22 DOI: 10.1109/IVEC.2014.6857708
Haiyu Zhang, Jirun Luo, Mingkui Zhu, Wei Guo
{"title":"Calculation and comparison for the axial electric field profile in multi-gap Hughes-type coupled cavity chain","authors":"Haiyu Zhang, Jirun Luo, Mingkui Zhu, Wei Guo","doi":"10.1109/IVEC.2014.6857708","DOIUrl":"https://doi.org/10.1109/IVEC.2014.6857708","url":null,"abstract":"Considering the coupling of electric field between the adjacent cavities of multi-gap Hughes-type coupled cavity chain, the axial electric field profile is analytically expressed by hyperbolic secant function and calculated by polynomial curve-fitting program to decrease the calculating error in this abstract. The analytic results are in good agreement with those calculated by CST-MWS code.","PeriodicalId":88890,"journal":{"name":"IEEE International Vacuum Electronics Conference. International Vacuum Electronics Conference","volume":"12 1","pages":"499-500"},"PeriodicalIF":0.0,"publicationDate":"2014-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89368562","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Flexibility performance in advanced Ka-band multibeam satellites 先进ka波段多波束卫星的柔性性能
IEEE International Vacuum Electronics Conference. International Vacuum Electronics Conference Pub Date : 2014-04-22 DOI: 10.1109/IVEC.2014.6857482
Juan Lizarraga, P. Angeletti, N. Alagha, M. Aloisio
{"title":"Flexibility performance in advanced Ka-band multibeam satellites","authors":"Juan Lizarraga, P. Angeletti, N. Alagha, M. Aloisio","doi":"10.1109/IVEC.2014.6857482","DOIUrl":"https://doi.org/10.1109/IVEC.2014.6857482","url":null,"abstract":"Multibeam satellite systems are typically designed assuming a uniform traffic demand, while, in reality, the uncertainty of the actual traffic creates load imbalances among different beams. In this case, the global capacity balance yields to a paradox: the system is not able to meet the demand while some of the available capacity is left unused. Multibeam systems can mitigate this effect by embarking flexible payloads that allow to allocate the available resources on demand, depending on the actual traffic conditions.","PeriodicalId":88890,"journal":{"name":"IEEE International Vacuum Electronics Conference. International Vacuum Electronics Conference","volume":"2 1","pages":"45-46"},"PeriodicalIF":0.0,"publicationDate":"2014-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87546736","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 13
W-band 100W pulsed TWT amplifiers for power combining experiment 功率组合实验用w波段100W脉冲行波管放大器
IEEE International Vacuum Electronics Conference. International Vacuum Electronics Conference Pub Date : 2014-04-22 DOI: 10.1109/IVEC.2014.6857546
Jinjun Feng, Jun Cai, Xianping Wu, Y. Hu, Yanjun Cui, Yinghua Du, Ruitong Dong, Jingkai Liu, Ji Chen, Xiaoqing Zhang, Yi Tong, Yunhai Li
{"title":"W-band 100W pulsed TWT amplifiers for power combining experiment","authors":"Jinjun Feng, Jun Cai, Xianping Wu, Y. Hu, Yanjun Cui, Yinghua Du, Ruitong Dong, Jingkai Liu, Ji Chen, Xiaoqing Zhang, Yi Tong, Yunhai Li","doi":"10.1109/IVEC.2014.6857546","DOIUrl":"https://doi.org/10.1109/IVEC.2014.6857546","url":null,"abstract":"W-band pulsed TWT Amplifiers have been developed as transmitters for weather radar of cloud detection. The test results show that two amplifiers can reach over 100W output power at 10% duty cycle in the air cooling condition.","PeriodicalId":88890,"journal":{"name":"IEEE International Vacuum Electronics Conference. International Vacuum Electronics Conference","volume":"4 1","pages":"173-174"},"PeriodicalIF":0.0,"publicationDate":"2014-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90412006","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Filter helix implementation into an S-band TWT design 螺旋滤波器实现成s波段行波管设计
IEEE International Vacuum Electronics Conference. International Vacuum Electronics Conference Pub Date : 2014-04-22 DOI: 10.1109/IVEC.2014.6857512
Elke Gehrmann, P. Birtel, T. Monsees, W. Durr, A. Jacob
{"title":"Filter helix implementation into an S-band TWT design","authors":"Elke Gehrmann, P. Birtel, T. Monsees, W. Durr, A. Jacob","doi":"10.1109/IVEC.2014.6857512","DOIUrl":"https://doi.org/10.1109/IVEC.2014.6857512","url":null,"abstract":"The performance of an S-band traveling wave tube (TWT) is enhanced by introducing a filter consisting of periodic transmission line discontinuities into its delay line. The filter is designed to suppress the second harmonic which is particularly strong in this tube especially at low frequencies. The main goal, i.e. to improve the electron velocity spectrum at the lower operating band and, thus, to extend the bandwidth of the tube, is demonstrated.","PeriodicalId":88890,"journal":{"name":"IEEE International Vacuum Electronics Conference. International Vacuum Electronics Conference","volume":"1 1","pages":"105-106"},"PeriodicalIF":0.0,"publicationDate":"2014-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89844673","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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