Design of W-band sheet beam travelling wave tubes based on staggered double vane slow wave structure

被引：3
|
作者：
Tian, Hanwen [1 ]
Shao, Wei [1 ]
Wang, Zhanliang [1 ]
Wei, Yanyu [1 ]
Duan, Zhaoyun [1 ]
Gong, Yubin [1 ]
Feng, Jinjun [2 ]
机构：
[1] Univ Elect Sci & Technol China, Natl Key Lab Sci & Technol Vacuum Elect, 4,Sect 2,North Jianshe Rd, Chengdu, Sichuan, Peoples R China
[2] Beijing Vacuum Elect Res Inst, Beijing, Peoples R China
来源：
JOURNAL OF ENGINEERING-JOE | 2018年 / 14期
基金：
美国国家科学基金会;
关键词：
electron beams; slow wave structures; staggered double vane slow wave structure; sheet electron beam gun; magnetic focusing system; beam-wave interaction; W-band sheet beam travelling wave tubes; dispersion characteristics; transposition characteristics; high-frequency system; vacuum window; periodically cusped magnetic focusing system; CST Microwave Studio; CST Particle Studio; HFSS; phase velocity taper; power; 10; 0; W; 1100; frequency; 95; GHz; 1200; 99; voltage; 20; 6; kV; current; 80; mA; gain; 41; dB;
D O I：
10.1049/joe.2018.0103
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this study, a complete and viable plan about a W-band sheet beam travelling wave tube based on a staggered double vane slow wave structure is drawn up. The dispersion characteristics, transposition characteristics of high-frequency system, sheet electron beam gun, vacuum window, periodically cusped magnetic focusing system and beam-wave interaction are analysed by CST Microwave Studio, CST Particle Studio and HFSS. An attenuator is used in this device to suppress oscillation. A phase velocity taper is used to increase output power. The operation voltage is 20.6 kV and the current is 80 mA. With a 10 W input power, the output power is 1100 W versus the gain is 20.41 dB at 95 GHz. The peak amplitude approaches 1200 W versus the gain approaches 20.79 dB at 99 GHz.
引用
收藏
页码：698 / 703
页数：6
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