空间行波管长寿命加速评价法研究  

Accelerated Test and Life Evaluation Method for Space Traveling Wave Tubes

作　　者：宋芳芳[1] 王铁羊 SONG Fang-fang;WANG Tie-yang(China Electronic Produce Reliability and Environmental Testing Research Institute,Guangzhou 510610,China)

机构地区：[1]工业和信息化部电子第五研究所,广东广州510610

出　　处：《真空电子技术》2020年第6期12-16,19,共6页Vacuum Electronics

基　　金：工业和信息化部电子第五研究所重点实验室基金项目(JAS192800150)。

摘　　要：本文开展了对高可靠长寿命空间行波管的长寿命评价技术的研究,提出了基于空间行波管电子枪短管的加速寿命试验及评价方法,对空间行波管短管试验样品开展了加速寿命试验,获得了相应的试验数据,并提出了短期无失效数据的寿命预估方法,基于上述加速寿命试验获得的数据,获得了在阴极支取电流密度为1.5 A/cm 2下某长寿命M型空间行波管的预估寿命为25.33年,从而实现了高可靠长寿命空间行波管的寿命评估。Research on long-life evaluation technology of high reliability and long-life space traveling wave tubes is carried out.An accelerated life test and evaluation method based on the short-tube electron gun is presented.The samples are tested and the corresponding test data are obtained.A short-term zero-failure-data life estimation method is put forward.Based on the method and the accelerated life data,the lifetime of one type of space traveling wave tube with cathode current density of 1.5 A/cm 2 is estimated to be 25.33 years.The research enables the lifetime evaluation of highly reliable and long-life space traveling wave tubes.

关 键 词：行波管 阴极组件 加速试验 寿命评价 

分 类 号：TN124[电子电信—物理电子学]