Analysis of the injection-locked magnetron with a mismatched circulator

doi:10.1088/1674-1056/23/8/088402

›› 2014, Vol. 23 ›› Issue (8): 88402-088402.doi: 10.1088/1674-1056/23/8/088402

• INTERDISCIPLINARY PHYSICS AND RELATED AREAS OF SCIENCE AND TECHNOLOGY • 上一篇下一篇

Analysis of the injection-locked magnetron with a mismatched circulator

岳松^{a b}, 张兆传^a, 高冬平^a

a Key Laboratory of High Power Micriwave Sources and Technology, Institute of Electronics, Chinese Academy of Sciences, Beijing 100190, China;
b University of Chinese Academy of Sciences, Beijing 100049, China

收稿日期:2014-01-06 修回日期:2014-02-18 出版日期:2014-08-15 发布日期:2014-08-15
基金资助:
Project supported by the National Basic Research Program of China (Grant No. 2013CB328901) and the National Natural Science Foundation of China (Grant No. 11305177).

Analysis of the injection-locked magnetron with a mismatched circulator

Yue Song (岳松)^{a b}, Zhang Zhao-Chuan (张兆传)^a, Gao Dong-Ping (高冬平)^a

a Key Laboratory of High Power Micriwave Sources and Technology, Institute of Electronics, Chinese Academy of Sciences, Beijing 100190, China;
b University of Chinese Academy of Sciences, Beijing 100049, China

Received:2014-01-06 Revised:2014-02-18 Online:2014-08-15 Published:2014-08-15
Contact: Yue Song E-mail:yuessd@163.com
Supported by:
Project supported by the National Basic Research Program of China (Grant No. 2013CB328901) and the National Natural Science Foundation of China (Grant No. 11305177).

摘要/Abstract

摘要： 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 influence 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.

关键词: injection-locked magnetron, mismatched circulator, phase difference, locked bandwidth

Abstract: 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 influence 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.

Key words: injection-locked magnetron, mismatched circulator, phase difference, locked bandwidth

中图分类号: (Microwave tubes (e.g., klystrons, magnetrons, traveling-wave, backward-wave tubes, etc.))

84.40.Fe

42.25.Kb (Coherence) 52.65.Rr (Particle-in-cell method)

岳松, 张兆传, 高冬平. Analysis of the injection-locked magnetron with a mismatched circulator[J]. , 2014, 23(8): 88402-088402.

Yue Song (岳松), Zhang Zhao-Chuan (张兆传), Gao Dong-Ping (高冬平). Analysis of the injection-locked magnetron with a mismatched circulator[J]. Chin. Phys. B, 2014, 23(8): 88402-088402.

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Analysis of the injection-locked magnetron with a mismatched circulator

Analysis of the injection-locked magnetron with a mismatched circulator

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