Analysis of the injection-locked magnetron with a mismatched circulator

Based on the scatter matrix of the four-port lossless mismatched circulator, the phase differential equation of the injection-locked magnetron is derived by comparing different effects of the mismatched and perfect circulator on the injection ratio. Besides, the locking range of the injection-locked...

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Bibliographic Details
Published in:Chinese physics B 2014-08, Vol.23 (8), p.616-621
Main Authors: Yue, Song, Zhang, Zhao-Chuan, Gao, Dong-Ping
Format: Article
Language:English
Subjects:
Bandwidth
Circulation
Differential equations
Locking
Lossless
Mathematical analysis
Reflection coefficient
Scatter
不匹配
反射系数
循环分析
微分方程
数值计算分析
注入锁定
环行器
磁控管
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Summary:Based on the scatter matrix of the four-port lossless mismatched circulator, the phase differential equation of the injection-locked magnetron is derived by comparing different effects of the mismatched and perfect circulator on the injection ratio. Besides, the locking range of the injection-locked magnetron with the mismatched circulator is deduced by functional operation. In addition, the phase differential equation and the locked bandwidth of the injection-locked system with a mismatched circulator are compared with those of the small injection-ratio case with a perfect circulator. The in- fluence of the circulator reflection coefficient on the injection-locked magnetron is also analyzed by numerical calculation. Theoretical analysis shows that the decrement of the locked bandwidth is less than 1% and decrement of the stable phase difference is less than 1.2% when the reflection coefficient is less than 0.1.
ISSN:1674-1056
2058-3834
1741-4199
DOI:10.1088/1674-1056/23/8/088402