一种高效率多注毫米波行波管的设计模拟  

A Design Simulation of High Efficiency Multi-Beam Millimeter-Wave Traveling Wave Tube

作　　者：杨丽娜[1] 杨军[1] 邓光晟[1] 吕国强[1] 

机构地区：[1]合肥工业大学光电技术研究院,安徽合肥230009

出　　处：《真空电子技术》2011年第5期32-36,共5页Vacuum Electronics

摘　　要：对某Ka波段7注耦合腔行波管慢波系统进行了模拟,分析了多注耦合腔行波管的单腔冷测特性、周期永磁聚焦(PPM)系统以及PPM聚焦系统下的注-波互作用,模拟结果表明:在中心频率34.5GHz处,其饱和输出功率达到829W,增益43.16dB,带宽约1.4GHz,电子效率高达30.37%。In this paper,we have simulated a slow-wave system of Ka band seven-beam coupled-cavity TWT,analyzed the multi-beam coupled-cavity TWT cold-cavity characteristic,periodic permanent magnet focusing（PPM） system and the beam-wave interaction under PPM focusing system.The simulation results show that at the center frequency of 34.5 GHz,the saturated output power of 829 W,Gain of 43.16 dB,Bandwidth is about 1.4 GHz,Electronic efficiency as high as 30.37%.

关 键 词：多注毫米波 耦合腔行波管 冷测特性 周期永磁聚焦 粒子模拟 

分 类 号：TN124[电子电信—物理电子学]