Study of Sheet Beam Electron Optical System and Energy Coupler for Wideband 340GHz TWT

被引：0
|
作者：
Wang, Kaicheng [1 ]
Shao, Wei [1 ]
Tian, Hanwen [1 ]
Wang, Zhanliang [1 ]
Lu, Zhigang [1 ]
Gong, Huarong [1 ]
Tang, Tao [1 ]
Duan, Zhaoyun [1 ]
Wei, Yanyu [1 ]
Gong, Yubin [1 ]
Feng, Jinjun [2 ]
机构：
[1] Univ Elect Sci & Technol China, Natl Key Lab Sci & Technol Vacuum Elect, Chengdu 610054, Sichuan, Peoples R China
[2] Beijing Vacuum Elect Res Inst, Vacuum Elect Natl Lab, Beijing 100016, Peoples R China
来源：
2019 INTERNATIONAL VACUUM ELECTRONICS CONFERENCE (IVEC) | 2019年
基金：
美国国家科学基金会;
关键词：
sheet beam; traveling wave tube; emission current density; transmission efficiency; long-range electron gun;
D O I：
10.1109/ivec.2019.8745316
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：
An electron optical system with long-range low emission current density electron gun and H-plane double-slit coupling input-output RF coupler are studied for 340GHz sheet beam staggered double vane traveling wave tube (TWT). The long-range sheet beam electron gun can reduce the difficulties in assembling and adjusting of the whole magnetic system. Low emission current density can reduce the processing difficulty and improve the life of the electron gun. The bandwidth of the microwave circuits with H-plane double-slit input and output couplers is so broad that can approach 45GHz. Taking the high frequency loss of copper into account, the beam-wave interaction simulation shows that the whole design provides 14.6W of output power and 31.6dB gain at 340GHz.
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页数：2
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