Development and Investigation of a Slow-Wave Structure for a Miniature Multiple-Beam W-Band Traveling Wave Tube

被引：1
作者：
Torgashov, R. A. [1 ,2 ]
Nozhkin, D. A. [1 ,2 ]
Starodubov, A. V. [1 ,2 ]
Ryskin, N. M. [1 ,2 ]
机构：
[1] Russian Acad Sci, Kotelnikov Inst Radioengn & Elect, Saratov Branch, Saratov 410019, Russia
[2] Saratov Natl Res State Univ, Saratov 410012, Russia
来源：
JOURNAL OF COMMUNICATIONS TECHNOLOGY AND ELECTRONICS | 2023年 / 68卷 / 10期
基金：
俄罗斯科学基金会;
关键词：
Scanning electron microscopy - Sheet metal;
D O I：
10.1134/S1064226923100182
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：
The results of the development of a meander-line slow-wave system (SWS) with metal supports for a miniature high-power W-band traveling-wave tube (TWT) with two sheet electron beams are presented. Using a three-dimensional finite element software package, the electromagnetic parameters of the SWS were studied. A two-section model of a TWT amplifier with a sever to prevent self-excitation has been developed. Three-dimensional modeling of the beam-wave interaction has been carried out. It was found that with a total beam current of 200 mA in the linear mode, the gain exceeds 30 dB in the frequency band 95.4-97.75 GHz, and the output power in the saturation mode reaches 120 W. A technology for manufacturing SWSs based on laser micromachining of thin copper plates is proposed. Test samples of the SWS were fabricated and verified using optical and scanning electron microscopy.
引用
收藏
页码：1209 / 1213
页数：5
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