Large-Signal 2-D Modeling of Folded-Waveguide Traveling Wave Tubes

被引：21
|
作者：
Chernyavskiy, Igor A. [1 ]
Antonsen, Thomas M., Jr. [2 ]
Vlasov, Alexander N. [1 ]
Chernin, David [2 ]
Nguyen, Khanh T. [3 ]
Levush, Baruch [1 ]
机构：
[1] Naval Res Lab, Washington, DC 20375 USA
[2] Leidos Inc, Reston, VA 20190 USA
[3] Beam Wave Res Inc, Bethesda, MD 20814 USA
来源：
IEEE TRANSACTIONS ON ELECTRON DEVICES | 2016年 / 63卷 / 06期
关键词：
Folded-waveguide (FW); large-signal simulation; transmission line model; traveling wave tube (TWT); CIRCUITS; OPTIMIZATION;
D O I：
10.1109/TED.2016.2555801
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：
A new computationally efficient 2-D large-signal code TESLA-FW has been developed to model traveling wave tubes (TWTs) using folded (or serpentine) waveguide (FW) slow-wave structures. The code incorporates a recently published shunt-loaded transmission line model of the structure and takes advantage of a new time advance algorithm recently implemented in the code TESLA-CC. The new code has been applied to modeling G-band (220 GHz) serpentine and FW TWTs. Results compare very favorably with those obtained from the 3-D particle-in-cell (PIC) code MAGIC3D and with experimental data. Typical running times of TESLA-FW are 1-2 orders of magnitude less than those of 3-D PIC codes.
引用
收藏
页码：2531 / 2537
页数：7
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