Development and demonstration of high-average power W-Band gyro-amplifiers for radar applications

被引：28
|
作者：
Blank, M [1 ]
Felch, K
James, BG
Borchand, P
Cahalan, P
Chu, TS
Jory, H
Danly, BG
Levush, B
Calame, JP
Nguyen, KT
Pershing, DE
机构：
[1] Commun & Power Ind, Microwave Power Prod Div, Palo Alto, CA 94303 USA
[2] USN, Res Lab, Vacuum Elect Branch, Washington, DC 20375 USA
[3] KN Res, Silver Spring, MD 20905 USA
[4] Mission Res Corp, Newington, VA 22122 USA
来源：
IEEE TRANSACTIONS ON PLASMA SCIENCE | 2002年 / 30卷 / 03期
关键词：
amplifier; gyro-amplifier; gyrotron; millimeter wave; W-band;
D O I：
10.1109/TPS.2002.801658
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
The results of a focused program to develop high-power W-band gyro-amplifiers, which culminated in the demonstration of record average output powers from amplifiers in this band, are described. Following an experimental and theoretical study of low-duty prototype amplifiers, two high-average power devices were designed, built, and demonstrated. The first high-average power amplifier achieved 10.1-kW average output power at 33% efficiency in the TE01 mode at 93.8 GHz. The instantaneous bandwidth was 420 MHz and the saturated gain at the 10.1-kW point was 32 dB. The second high-average power gyroklystron, designed for improved bandwidth, demonstrated 10.2-kW average power at 31% efficiency with 700-MHz instantaneous bandwidth and 33-dB saturated gain. The measured results of the low-duty prototype amplifiers and the high-average power gyroklystrons are described in detail. In addition, theoretically predicted results for a high-average-power W-band gyrotwystron amplifier, which is currently in construction, are presented.
引用
收藏
页码：865 / 875
页数：11
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