Meander-Line Slow-Wave Structure for High-Power Millimeter-Band Traveling-Wave Tubes With Multiple Sheet Electron Beam

被引：35
|
作者：
Torgashov, Gennadiy V. [1 ]
Torgashov, Roman A. [1 ,2 ]
Titov, Vladimir N. [2 ,3 ]
Rozhnev, Andrey G. [1 ,2 ]
Ryskin, Nikita M. [1 ,2 ]
机构：
[1] Russian Acad Sci, Inst Radio Engn & Elect, Saratov Branch, Saratov 410019, Russia
[2] Saratov NG Chernyshevskii State Univ, Fac Nonlinear Proc, Saratov 410012, Russia
[3] St Petersburg Electrotech Univ LETI, Fac Elect, St Petersburg 197376, Russia
来源：
IEEE ELECTRON DEVICE LETTERS | 2019年 / 40卷 / 12期
基金：
俄罗斯科学基金会;
关键词：
Slow-wave structures; multiple sheet beams; millimeter wave circuits; traveling wave tubes;
D O I：
10.1109/LED.2019.2945502
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：
For advanced telecommunications and radar systems, high-power miniaturized millimeter-band traveling-wave tubes (TWTs) are required. In this letter, we propose a meander-line slow-wave structure (SWS) that is suitable for multiple sheet beam interaction that helps achieve high power. The simulation of cold electromagnetic parameters of the V-band SWS demonstrates good transmission characteristics, wide bandwidth, and high interaction impedance. Hot performance of the V-band TWT amplifier with the proposed SWS is also studied. The 3-D particle-in-cell (PIC) simulation predicts that the designed circuit yields a stable gain in the 50 - 70 GHz frequency range with a 25 - 30-dB small-signal gain. 250-W average output power is attained from a 1.5 - 2.0-W input driving signal at 68.1 GHz.
引用
收藏
页码：1980 / 1983
页数：4
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