Design and Multipactor Analysis of a High Power RF Window

被引：0
|
作者：
Joshi, Mohit Kumar [1 ]
Tiwari, Tapeshwar [2 ]
Bhattachrjee, Ratnajit [1 ]
机构：
[1] IIT Guwahati, Dept EEE, Gauhati 781039, India
[2] IIT Guwahati, SAMEER, Ctr HPMTCT, Gauhati 781039, India
来源：
2019 INTERNATIONAL VACUUM ELECTRONICS CONFERENCE (IVEC) | 2019年
关键词：
Multipactor analysis; Mixed mode RF window; Magnetron window; Overmoded RF window;
D O I：
10.1109/ivec.2019.8745233
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：
This paper presents the design of a high power RF window for X-band megawatt class pulsed coaxial magnetron. In this proposed design, overmoded cavity, with TE012 like mode (mixed with TE312) is considered instead of conventional pillbox cavity. Frequency domain simulation is carried out in CST and return loss, insertion loss, VSWR are obtained as 51.52 dB, 0.07 dB, and 1.005, respectively at 9.3 GHz. Mixed mode operation makes the bandwidth broad, and 40.8 MHz bandwidth is achieved for VSWR less than 1.05. The multipactor analysis is carried out in SPARK3D, and multipactor threshold is obtained as 16 MW. This makes the window suitable for the operation up to 16 MW peak power at 9.3 GHz.
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页数：2
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