Design and Experiment of 4MW Ka Band Sheet Electron Beam TWT

被引：1
|
作者：
Wang, Zhanliang [1 ]
Zhang, Yabin [2 ]
Gong, Huarong [1 ]
Duan, Zhaoyun [1 ]
Feng, Jinjun [3 ]
Li, Shifeng [1 ,4 ]
Gong, Yubin [1 ]
机构：
[1] UESTC, Sch Elect Sci & Engn, Chengdu 610054, Sichuan, Peoples R China
[2] Nanjing Res Inst Elect Technol, Nanjing 210013, Jiangsu, Peoples R China
[3] BVERI, Beijing 100015, Peoples R China
[4] CAEP, Inst Appl Elect, Mianyang 621900, Sichuan, Peoples R China
来源：
JOURNAL OF INFRARED MILLIMETER AND TERAHERTZ WAVES | 2019年 / 40卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Sheet electron beam; Traveling wave tube; Rectangular waveguide grating;
D O I：
10.1007/s10762-019-00591-3
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
High-power vacuum electron devices (VEDs) are attractive, because of their broad applications, such as advance radars, electromagnetic warfare, and plasma reactors. In this paper, a Ka band mega-watt sheet electron beam traveling wave tube (TWT) is reported. A two-staged rectangular waveguide grating slow wave structure (SWS) driven by a sheet electron beam (20mmx1mm, 164.8kV, 850A, 20ns) is used in this TWT. In order to suppress the self-excited oscillation, a rectangular BeO attenuator is inserted between the two-staged SWSs. The experimental results show that the TWT can produce more than 2MW output power from 34.2 to 35.5GHz. And the maximum output power is 4.24MW at 35GHz, corresponding to the gain of 25.9dB. In the future, the TWT will be used to perform research on biomedical effects and imaging.
引用
收藏
页码：637 / 647
页数：11
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