大功率毫米波螺旋线通信行波管的研究  

High Power Millimeter Wave Communication Traveling Wave Tubes Based on Helix Slow-Wave Structures

作　　者：杨小萌[1] 李伟[1] 李紫琳[1] 田艳艳[1] 孙宝成[1] 陈志强[1] YANG Xiao-meng;LI Wei;LI Zi-lin;TIAN Yan-yan;SUN Bao-cheng;CHEN Zhi-qiang(Beijing Vacuum Electronics Research Institute,Beijing100015,China)

机构地区：[1]北京真空电子技术研究所,北京100015

出　　处：《真空电子技术》2019年第1期65-69,共5页Vacuum Electronics

摘　　要：本文研究了一种大功率毫米波螺旋线通信行波管,提出四种关键技术来克服螺旋线高频散热问题,实现毫米波通信频段连续波功率大于300W的研制目标。四种关键技术分别是:高流通率电子光学系统设计、标准复合管壳夹持技术、提高天线热稳定性技术、高线性度慢波结构设计。最后研制的大功率毫米波螺旋线通信行波管在毫米波通信频段连续波功率大于320W,整管效率大于42%,同时线性副特性指标优良,满足卫星通信系统需求。High power millimeter wave communication traveling wave tubes based on helix slow-wave structures were studied.In order to overcome the high frequency heat dissipation of the helix slow-wave structure,four key technologies were put forward to achieve the development goal of millimeter wave output power greater than300 W.The four key technologies are the design of high flow rate electronic optical system,the standard compound pipe shell clamping,the antenna thermal stability improving and the design of high linearity slow wave structure.The average power and efficiency of the fabricated high power millimeter wave communication traveling wave tubes can reach 320 Wand 42%respectively.Meanwhile the tubes have good liner characteristics which can meet the requirements of satellite communication systems.

关 键 词：天线热稳定性技术 高频散热 螺旋线慢波系统 大功率通信行波管 

分 类 号：TN124[电子电信—物理电子学]