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Study of the High Frequency Characteristics of Ridge Loaded Ring Plane TWT

GONG Yu bin,WANG Wen xiang,WEI Yan yu,SUN Jia hong,LIU Sheng gang(Institute of High Energy Electronics,Univ.of Electronic Science & Technology of China,Chengdu 610054,China)  
The ridge loaded ring plane traveling wave tube (TWT) is an important type of high power broad band microwave amplifier.Making use of field matching method,combining with the variational method,the dispersion equation of the ridge loaded ring plane slow wave structure and small signal gain of this type of TWT are presented in this paper.The influences of all geometrical dimensions on the propagation characteristics,and the effects of the electron parameters on the gain are discussed,respectively.A large signal numerical calculation has also been done to investigate the nonlinear phenomena in this kind of TWT.In order to get higher power in broader operating bandwidth for this kind of TWT,the optimum opening angle,a smaller radius of the loaded ridge,and appropriate electron parameters must be chosen.This paper provides the theoretical basis for design of the ridge loaded TWT.
【CateGory Index】: TN124.2
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