Theoretical and experimental study on frequency pushing effect of magnetron

作     者：Kang Li Yi Zhang Hua-Cheng Zhu Ka-Ma Huang Yang Yang 李慷;张益;朱铧丞;黄卡玛;杨阳

作者机构：School of Electronics and Information EngineeringSichuan UniversityChengdu 610064China Key Laboratory of Wireless Power Transmission of Ministry of EducationChengdu 610064China 

出 版 物：《Chinese Physics B》 (中国物理B（英文版）)

年 卷 期：2019年第28卷第11期

页      面：377-381页

核心收录：

学科分类：07[理学] 0805[工学-材料科学与工程（可授工学、理学学位）] 070204[理学-等离子体物理] 0704[理学-天文学] 0702[理学-物理学] 

基　　金：Project supported by the Sichuan Science and Technology Program,China(Grant No.2019YFG0419) the National Natural Science Foundation of China(Grant No.61601312) 

主　　题：magnetron injection locking pushing effect 

摘      要：The applications of magnetrons are greatly limited because of the poor output spectrum of the free-running ***, one of the best ways to solve this problem is injection locking. However, the injection locking theory which is widely used nowadays is based on the simplified oscillator, which does not include the frequency pushing effect of the magnetron. In this paper, the theory of injection locking magnetrons with frequency pushing effect is systematically *** analysis shows that the locking bandwidth turns larger with the consideration of the pushing parameter(α), and the increase of locking bandwidth is expanded with α increasing. Experimental results show that the locking bandwidth is expanded by 0.3 MHz, 1 MHz, and 1.6 MHz compared with the locking bandwidth from the conventional locking theory under an injection ratio(ρ) of 0.05, 0.075, and 0.1, respectively. This research provides a more accurate prediction of the properties of the injection-locked magnetron.