Experimental study of a W-band Gyroklystron amplifier operated in the high-order TE021 cavity mode

被引：0
|
作者：
E. V. Zasypkin
I. G. Gachev
I. I. Antakov
机构：
[1] Institute of Applied Physics of the Russian Academy of Sciences,
来源：
Radiophysics and Quantum Electronics | 2012年 / 55卷
关键词：
Output Power; Electron Beam; Cavity Mode; Drift Tube; Peak Output Power;
D O I：
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学科分类号：
摘要：
We present experimental results for a 93.2-GHz gyroklystron amplifier operated in the high-order TE021 cavity mode in a cryomagnet. In a three-cavity gyroklystron, a peak output power of 340 kW with 27% efficiency, 23-dB saturated gain, and 0.41% (380 MHz) bandwidth was obtained with a 75-kV, 17-A electron beam. The output-power and efficiency restriction was due to the selfexcitation of the TE021 operating mode in the output cavity. The influence of the electron beam current and intermediate cavity Q-factor on output characteristics of a three-cavity gyroklystron has been studied experimentally.
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页码：309 / 317
页数：8
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