Design and Analysis of a High-gain High-power cascaded 220GHz FWGTWT

被引：0
|
作者：
Zou, Xiaochuan [1 ]
Xue, Qianzhong [1 ]
Wang, Xuewei [1 ]
机构：
[1] Chinese Acad Sci, Inst Elect, Key Lab Sci & Technol High Power Microwave Source, Beijing, Peoples R China
来源：
2019 INTERNATIONAL VACUUM ELECTRONICS CONFERENCE (IVEC) | 2019年
基金：
中国国家自然科学基金;
关键词：
FWGTWT; Terahertz; attenuator; focusing magnetic field;
D O I：
10.1109/ivec.2019.8744792
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：
A high-gain high-power cascaded folded-waveguide (FWG) traveling-wave tube (TWT) is designed. By analyzing dispersion and coupling impedance, some main structural dimensions are determined. An external attenuator with sever is designed to suppress reflection and how to load it is also discussed. The slow-wave structure and the focusing system of the electron optics system are optimized Finally, the output power may reach 100.8W at 220GHz within a practical focusing magnetic field of 0.517T. The gain is 32.3dB. And the - 3dB bandwidth is about 8GHz.
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页数：2
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