A Ka-Band Second Harmonic Gyroklystron Amplifier
Plasma Science, IEEE Transactions(2012)
摘要
The design and experiment of a ka-band second harmonic gyroklytron amplifier are reported. The three-cavity 35-GHz second harmonic gyroklystron operates in the TE021 circular electric mode. Based on the numerical simulation, a three-cavity, second harmonic gyroklystron amplifier prototype has been fabricated. Experiments show a peak output power of 212 kW at 35 GHz with a 3-dB bandwidth of 155 MHz (0.44%) when utilizing a 58 kV, 23 A, v⊥/vP = 1.45 electron beam from a magnetron injection gun. The efficiency is approximately 16%, and the gain is about 24 dB.
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关键词
Klystrons,Harmonic analysis,Power generation,Cavity resonators,Cathodes,Power amplifiers,Electron beams
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