Design of a tapered helix for suppressing backward wave oscillations in MMW TWT's

被引：1
|
作者：
Liu, SK
机构：
[1] Department of Electronic Engineering, Southeast University
来源：
INTERNATIONAL JOURNAL OF INFRARED AND MILLIMETER WAVES | 1997年 / 18卷 / 06期
关键词：
Wave Oscillation; Travel Wave Tube; Backward Wave Oscillation; Start Current; Coupling Impedence;
D O I：
10.1007/BF02678236
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Backward wave oscillations are easy occurred in high power helix millimeter wave traveling wave tubes (MMW TWT's), owing to larger ka value and higher operating voltage. The start current of backward wave is calculated for helix TWT in Ka band. It is shown that start current will increase by used a tapered helix. Backward wave oscillations can be suppressed in tube. The design method of the tapered helix is given in this paper.
引用
收藏
页码：1317 / 1321
页数：5
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