空间行波管慢波结构及注波互作用模拟设计

›› 2012, Vol. 25 ›› Issue (3): 72-.

空间行波管慢波结构及注波互作用模拟设计

刘毅,阮久福,杨军,邓光晟,吕国强,张文丙

(1.合肥工业大学特种显示技术教育部重点实验室,安徽合肥 230009;2.合肥工业大学光电技术研究院,安徽合肥 230009;
3.合肥工业大学仪器科学与光电工程学院,安徽合肥 230009;4.安徽华东光电技术研究所第5研究室,安徽芜湖 241002)

出版日期:2012-03-15 发布日期:2012-03-21
作者简介:刘毅(1984—),男,硕士研究生。研究方向:微波电子学和微波放大器件。

Design and Simulation of Slow-Wave Structure and Beam-Wave Interaction for Space TWT

LIU Yi, RUAN Jiu-Fu, YANG Jun, DENG Guang-Sheng, LV Guo-Qiang, ZHANG Wen-Bing

(1.Key Laboratory of Special Display Technology,Ministry of Education,Hefei University of Technology,Hefei 230009,China;
2.Academe of Opto-Electronic Technology,Hefei University of Technology,Hefei 230009,China;
3.School of Instrument Science and Opto-Electronic Engineering,Hefei University of Technology,Hefei 230009,China;
4.No.5 Research Room,Anhui Huadong Photoelectric Technology Institute,Wuhu 241002,China)

Online:2012-03-15 Published:2012-03-21

摘要/Abstract

摘要：

设计了Ka波段螺旋线行波管的慢波结构,分析其色散特性曲线和耦合阻抗,对高频系统进行了优化;利用PIC粒子模拟得到在工作频带内饱和输出功率＞73.5 W,增益畸变＜2%,并对试制样管进行了试验,测得在工作频带内输出功率＞45 W,电子效率＞12.5%,采用4级降压收集极后总效率大于40%,最后对模拟结果和实测结果的差异原因进行了简单分析。

关键词: 空间行波管, 冷测特性, 注波互作用, 电子效率

Abstract:

The slow-wave structure of the Ka band helix-TWT is designed.Its color scattering characteristic curve and coupling impedance are analyzed.The high-frequency system is optimized.The results of Interaction from PIC simulation show that the output power is more than 73.5 W and distortion of gain is less than 2% at the working frequency.The test results show that this device has the output power of more than 45 W,the electronic efficiency of more than 12.5%,and the overall efficiency of more than 40% at the working frequency.The difference between the simulation result and test result is analyzed.

Key words: space TWT;cold-test characteristics;beam-wave interaction;electronic efficiency

中图分类号:

TN124

刘毅, 阮久福, 杨军, 邓光晟, 吕国强, 张文丙. 空间行波管慢波结构及注波互作用模拟设计[J]. , 2012, 25(3): 72-.

LIU Yi, RUAN Jiu-Fu, YANG Jun, DENG Guang-Sheng, LV Guo-Qiang, ZHANG Wen-Bing. Design and Simulation of Slow-Wave Structure and Beam-Wave Interaction for Space TWT[J]. , 2012, 25(3): 72-.

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