CW Operation of a W-Band High-Gain Helical-Waveguide Gyrotron Traveling-Wave Tube

被引：52

作者：

Samsonov, Sergey V. ^{[1
]}

Denisov, Gregory G. ^{[1
]}

Gachev, Igor G. ^{[1
]}

Bogdashov, Alexander A. ^{[1
]}

机构：

[1] Russian Acad Sci, Inst Appl Phys, Nizhnii Novgorod 603950, Russia

来源：

IEEE ELECTRON DEVICE LETTERS | 2020年 / 41卷 / 05期

基金：

俄罗斯科学基金会;

关键词：

Electron tubes; Transmission line measurements; Frequency measurement; Power measurement; Current measurement; Power generation; Voltage measurement; Gyrotron traveling-wave tube (gyro-TWT); continuous-wave (CW) operation; W-band; helically corrugated waveguide; second cyclotron harmonic operation; single-stage depressed collector; AMPLIFIER; TWTS; MILLIMETER; EFFICIENCY;

D O I：

10.1109/LED.2020.2980572

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：

Experimental details are discussed and millimeter wave measurements presented of a W-band gyrotron traveling-wave tube (gyro-TWT) that uses a helically corrugated interaction waveguide operating at the second electron cyclotron harmonic. A method for increasing the gain by using an interaction circuit with two sections separated by a long sub-cutoff drift section has been experimentally verified. A 10-mW driving source was sufficient to enable an amplified signal output power of 3 kWs. The continuous-wave (CW) operation with a single-stage depressed collector and deposited beam power of about 20 kW is believed to be the first demonstration of its kind for a W-band gyro-TWT.

引用

页码：773 / 776

页数：4

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