V波段方形环对角双杆行波管研究  

Investigation of a V-Band Traveling-Wave Tube Based on Square-Ring Vertex Double-bar Slow Wave Structure

作　　者：姜宇 魏望和[1] 陶聪 董燕平 JIANG Yu;WEI Wang-he;TAO Cong;DONG Yan-ping(School of Science,Jiangxi University of Science and Technology,Ganzhou 341000,China)

机构地区：[1]江西理工大学理学院,江西赣州341000

出　　处：《真空电子技术》2023年第6期45-49,56,共6页Vacuum Electronics

基　　金：国家自然科学基金项目(61761022,61988102,62101519)。

摘　　要：为适应行波管宽频带、小型化和高功率的发展趋势,开展了V波段方形环对角双杆慢波结构行波管研究。相对传统的环杆结构,方形环对角双杆慢波结构与微加工技术具有更好的兼容性,有利于行波管的小型化。基于电磁仿真软件研究了方形环对角双杆的高频特性,优化了慢波结构参数。注-波互作用研究结果表明,在电压为22.3 kV和电流为0.09 A的工作条件下,方形对角双杆行波管在60 GHz处可获得148 W的峰值输出功率,对应增益和电子效率分别是34.7 dB和7.4%,瞬时3 dB带宽达到13 GHz(52~65 GHz)。To meet the requirements of the traveling-wave tubes(TWTs)with wide bandwidth,miniaturization,and larger output power,a wide bandwidth V-band TWT based on square-ring vertex double-bar(SRVDB)slow-wave structure(SWS)is studied.Compared with traditional ring-bar SWS,the SRVDB SWS is more compatible with the MEMS fabrication techniques,which is beneficial to the miniaturization of the TWT.The high frequency characteristics of the SRVDB are studied,and the parameters are optimized by electromagnetic simulation.The research results of beam-wave reaction show that,with an operating voltage of 22.3 kV and a current of 0.09 A,the SRVDB TWT can produce a peak output power of 148 W at 60 GHz,with a gain of 34.7 dB and an electronic efficiency of 7.4%.The instantaneous 3 dB bandwidth can reach 13 GHz(52~65 GHz).

关 键 词：方形环对角双杆 慢波结构 行波管 

分 类 号：TN124[电子电信—物理电子学]