K波段螺旋线型行波管研制  

Development of a K-Band Helix Taraveling Wave Tube

作　　者：李瑶[1] 杨明华[1] 李紫琳[1] 柳宁[1] 李伟[1] 

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》2014年第3期62-64,70,共4页Vacuum Electronics

摘　　要：研制出频带覆盖K波段、输出功率分别为60 W、120 W两种行波管产品,同时在这两种产品的基础上进行部分设计改进,研制出K波段带宽1 GHz,饱和输出功率250 W通讯用的行波管。60 W/120 W行波管采用传导冷却方式,二者具有相同的外形结构及工作电压。该系列行波管采用两级降压收集极,其全频带效率达到30%附近。250 W通信用行波管在前两种管型的基础上采用小型化的结构,有效地减小行波管的体积与重量,同时采用三级降压收集极,其总效率达到40%以上。Two kinds of K band helix Traveling-Wave Tubes have been manufactured. The output power of the TWTs is from 60 to 120 W. Both have the same appearance and cathode voltage. A newTWT for communication field based on these two products has been studied. The operation frequency bandwidth is 1 GHz,and the saturated output power of is 250 W. The total efficiency of the TWT is above 40% which use 3-stage depressed collector.

关 键 词：K波段 螺旋线行波管 高效率 

分 类 号：TN124[电子电信—物理电子学]