冷阴极行波管电子枪设计  

Design of Electron Gun for Cold Cathode Traveling Wave Tube

作　　者：杨金生[1] 李兴辉[1] 王伟[1] YANG Jin-sheng;LI Xing-hui;WANG Wei(National Key Laboratory of Science and Technology on Vacuum Electronics(NKLST-VE),Beijing Vacuum Electronics Research Institute(BVERI),Beijing 100015,China)

机构地区：[1]中国电子科技集团公司第十二研究所微波电真空器件国家级重点实验室,北京100015

出　　处：《微波学报》2020年第S01期362-365,共4页Journal of Microwaves

摘　　要：针对X波段冷阴极小型化螺旋线行波管电子枪设计,基于皮尔斯型电子枪结构,采用CST粒子工作室对工作电流为30mA的行波管电子枪与PPM聚焦系统进行了电子光学联合仿真与优化设计,确定了电子枪结构参数和工作条件,获得了满意的电子注聚焦参数,实现了小型化PPM聚焦行波管的电子注良好聚焦。Aiming at the design of X band cold cathode miniature helix traveling wave tube(TWT)electron gun,based on the structure of Pierce type electron gun,the joint simulation and optimization design of the TWT electron gun with 30 mA working current and PPM focusing system are carried out by using CST particle studio,the structure parameters and working parameters of the electron gun are determined,and the satisfied electron beam focusing parameters are obtained.The miniaturized PPM focusing TWT with good electron beam focusing is realized.

关 键 词：行波管 冷阴极 皮尔斯型电子枪结构 PPM磁聚焦 

分 类 号：TN124[电子电信—物理电子学]