Bandwidth Enhancement of Extended Interaction Klystron by Ridge-Loaded Extended Interaction Cavity

被引：0

作者：

Naidu, Vemula Bhanu ^{[1
]}

Gope, Dipanjan ^{[2
]}

Datta, Subrata Kumar ^{[1
]}

机构：

[1] DRDO, Microwave Tube Res & Dev Ctr MTRDC, Bengaluru 560013, India

[2] Indian Inst Sci IISc, Dept Elect Commun Engn, Bengaluru 560012, India

来源：

IEEE TRANSACTIONS ON PLASMA SCIENCE | 2024年 / 52卷 / 10期

关键词：

Loading; Electric fields; Impedance; Q-factor; Bandwidth; Periodic structures; Klystrons; Tuning; Radio frequency; Solid modeling; Extended interaction cavity; extended interaction klystron (EIK); frequency enhancement; ridge loading; EIK;

D O I：

10.1109/TPS.2024.3499351

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

A scheme of symmetric ridge loading of the top and bottom shorting cavities of an extended interaction cavity is proposed in this article for the broadbanding of an extended interaction klystron (EIK). While implementing this scheme, the periodicity of the ladder circuit has not been changed. In order to demonstrate the efficacy of the ridge loading in broadbanding, 3-D electromagnetic analysis was carried out on a W-band extended interaction cavity structure. The ridge loading is found to reduce the ohmic quality factor of the extended interaction cavity by 25% against that of no loading for the cavity operating at 95 GHz. At the same time, the ridge loading has shown marginal changes on the characteristic impedance and the peak axial electric field of the structure. A particle-in-cell (PIC) analysis has shown an enhancement in the 3-dB hot bandwidth of the ridge-loaded EIK (464 MHz) by around 250% in comparison to an unloaded device (185 MHz).

引用

页码：5179 / 5183

页数：5

共 50 条

[31] Design of 340GHz Extended Interaction Klystron
Liu, Wenxin
Zhang, Fengyuan
Zhong, Jianwei
He, Peng
2022 INTERNATIONAL CONFERENCE ON MICROWAVE AND MILLIMETER WAVE TECHNOLOGY (ICMMT), 2022,
[32] Exploration of a PBG-based cavity structure for a multiple-beam extended interaction klystron
Naidu, Vemula Bhanu
Gope, Dipanjan
Datta, Subrata Kumar
JOURNAL OF ELECTROMAGNETIC WAVES AND APPLICATIONS, 2023, 37 (03) : 347 - 358
[33] Improvement of Output Performance in G-band Extended Interaction Klystron with Narrow Coupling Cavity
Li, Shasha
Li, Renjie
Ruan, Cunjun
2019 PHOTONICS & ELECTROMAGNETICS RESEARCH SYMPOSIUM - SPRING (PIERS-SPRING), 2019, : 3068 - 3072
[34] RF characteristics of multiple-gap resonant cavity for sheet beam extended interaction klystron
School of Electronic and Information Engineering, Beijing University of Aeronautics and Astronautics, Beijing
100191, China
不详
100076, China
Beijing Hangkong Hangtian Daxue Xuebao, 10 (1777-1784): : 1777 - 1784
[35] Increasing the bandwidth of an extended interaction klystron at 0.34 THz by staggered tuning of the multi-gap cavities
Li, Shuang
Wang, Dongyang
Teng, Yan
EPL, 2018, 123 (04)
[36] G-Band Broad Bandwidth Extended Interaction Klystron with Traveling-Wave Output Structure
Xu, Xiaotao
Li, Hengliang
Yuan, Xuesong
Chen, Qingyun
Zu, Yifan
Li, Hailong
Yin, Yong
Yan, Yang
ELECTRONICS, 2022, 11 (19)
[37] Investigation on a Broadband 220GHz Extended Interaction Klystron
Wang Zicheng
Qu Zhaowei
Li Lianbing
Shang Xinwen
Cao Linlin
Tang Bojun
Xiao Liu
2019 INTERNATIONAL VACUUM ELECTRONICS CONFERENCE (IVEC), 2019,
[38] Development of Ka-band Extended-Interaction Klystron
Feng, Haiping
Sun, Fujiang
Li, Dongfeng
2019 INTERNATIONAL VACUUM ELECTRONICS CONFERENCE (IVEC), 2019,
[39] DESIGN OF A 250 GHZ PHOTONIC BANDGAP EXTENDED INTERACTION KLYSTRON
Stephens, J.
Shapiro, M. A.
Temkin, R. J.
2017 IEEE INTERNATIONAL CONFERENCE ON PLASMA SCIENCE (ICOPS), 2017,
[40] Design of a Ka-band CW Extended Interaction Klystron
Ding, Haibing
Tang, Liang
Song, Yihao
Wang, Ying
Tang, Ke
Ding, Yaogen
2018 IEEE INTERNATIONAL VACUUM ELECTRONICS CONFERENCE (IVEC), 2018, : 187 - 188

← 1 2 3 4 5 →