Amplification of Frequency-Swept Signals in a W-Band Gyrotron Travelling Wave Amplifier

被引：19
|
作者：
Zhang, Liang [1 ]
Donaldson, Craig R. [1 ]
Cain, Peter [2 ]
Cross, Adrian W. [1 ]
He, Wenlong [1 ]
机构：
[1] Univ Strathclyde, Dept Phys, SUPA, Glasgow G4 0NG, Lanark, Scotland
[2] Keysight Technol UK Ltd, Edinburgh EH12 9DJ, Midlothian, Scotland
来源：
IEEE ELECTRON DEVICE LETTERS | 2018年 / 39卷 / 07期
基金：
英国工程与自然科学研究理事会;
关键词：
Gyrotron travelling-wave amplifier; helically corrugated waveguide; gyro-devices; frequency-swept signal; GUIDE; POWER;
D O I：
10.1109/LED.2018.2836868
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 frequency agility of a W-band gyrotron travelling wave amplifier (gyro-TWA) was demonstrated by the amplification of a frequency-swept input signal (chirp signal). The gyro-TWA was developed to provide high output power and wide bandwidth by using a helically corrugated interaction region. In the experiment a similar to 0.5-W signal of linearly swept frequency bandwidth of 1 GHz was amplified and a gain of over 30 dB was measured when driven by a 40 keV, 1.5 A, and axis-encircling electron beam.
引用
收藏
页码：1077 / 1080
页数：4
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