Demonstration of a 220-GHz Continuous Wave Traveling Wave Tube

被引：14
|
作者：
Jiang, Yi [1 ]
Lei, Wenqiang [1 ]
Hu, Peng [1 ]
Song, Rui [1 ]
Ma, Guowu [1 ]
Chen, Hongbin [1 ]
Jin, Xiao [1 ]
机构：
[1] China Acad Engn Phys, Inst Appl Elect, Mianyang 621900, Sichuan, Peoples R China
来源：
IEEE TRANSACTIONS ON ELECTRON DEVICES | 2021年 / 68卷 / 06期
关键词：
Power generation; Solid modeling; Gain; Couplers; Bandwidth; Earth Observing System; Surface roughness; Continuous wave (CW); experimental details; folded waveguide (FWG); high output power; traveling wave tube (TWT);
D O I：
10.1109/TED.2021.3075922
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：
The 220-GHz continuous wave (CW) folded waveguide (FWG) traveling wave tube (TWT) is presented as the high-power amplifier for the terahertz (THz) communication system in this article. This tube is designed and fabricated including FWG circuit, electron gun, periodical permanent magnet system, coupling window, and thermal management structure. The test results show that with the pencil beam of 20.5 kV and 52.4 mA, the output power is 16 W and the corresponding bandwidth is 7 GHz from 213 to 220 GHz, and the maximum power and the corresponding gain are 30 W and 31.2 dB at the frequency of 217 GHz.
引用
收藏
页码：3051 / 3055
页数：5
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