Novel G-Band Slot-Loaded Folded Waveguide Traveling Wave Tube

IF 4.1 2区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Electron Device Letters Pub Date : 2025-04-21 DOI:10.1109/LED.2025.3563026

Luqi Zhang;Wenqiang Lei;Rui Song;Yi Jiang;Jun Guo;Xu Yao;Dimin Sun;Peng Hu;Guowu Ma

引用次数: 0

Abstract

In this letter, we report a novel G-band high-power traveling wave tube (TWT) using a modified slot-loaded folded waveguide (SLFWG) slow-wave structure (SWS). Firstly, it can be found that the coupling impedance of the modified SWS is greatly improved compared with the conventional structure by simulation results. Next, the whole tube is designed and fabricated using the SLFWG SWS. Finally, under the condition of 10% duty cycle, the experimental results show that the device has a maximum output power of 215 W at the frequency of 219 GHz, a 3-dB bandwidth of more than 3 GHz, and a power-bandwidth product of 666.5 W

$\cdot $

GHz, which is basically consistent with the simulation results.

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新型g波段槽载折叠波导行波管

在这封信中，我们报告了一种新型的g波段高功率行波管（TWT），它采用了改进的槽加载折叠波导（SLFWG）慢波结构（SWS）。首先，通过仿真结果可以发现，与传统结构相比，改进后的SWS结构的耦合阻抗有了很大的提高。然后，使用SLFWG SWS设计和制造整个管。最后，在占空比为10%的条件下，实验结果表明，该器件在219 GHz频率下的最大输出功率为215 W， 3db带宽大于3ghz，功率带宽积为666.5 W $\cdot $ GHz，与仿真结果基本一致。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

IEEE Electron Device Letters 工程技术-工程：电子与电气

CiteScore

8.20

自引率

10.20%

发文量

551

审稿时长

1.4 months

期刊介绍： IEEE Electron Device Letters publishes original and significant contributions relating to the theory, modeling, design, performance and reliability of electron and ion integrated circuit devices and interconnects, involving insulators, metals, organic materials, micro-plasmas, semiconductors, quantum-effect structures, vacuum devices, and emerging materials with applications in bioelectronics, biomedical electronics, computation, communications, displays, microelectromechanics, imaging, micro-actuators, nanoelectronics, optoelectronics, photovoltaics, power ICs and micro-sensors.