Repetitive Operation of an S-Band, Short Pulse Relativistic Klystron Amplifier

HUANG Hua; FENG Di-Chao; LUO Guang-Yao; CHEN Zhi-Gang; LEI Lu-Rong; LIAO Yong; ZHANG Yun-Jian; YU Ai-Ming; TAN Jie; YANG Zhou-Bin; JIN Xiao; MENG Fan-Bao

Chinese Physics C> 2007, Vol. 31> Issue(3) : 288-291

Repetitive Operation of an S-Band, Short Pulse Relativistic Klystron Amplifier

Institute of Applied Electronics, CAEP, Mianyang 621900, China

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Abstract：
The operation of a repetitively pulsed relativistic klystron amplifier at 100Hz has been reported. The electron beam was reproducibly modulated to >74%. Using a 700kV, 6.5kA, 25ns electron beam and a 500kW Magnetron as inputs, we extracted 1.2GW radiation power in 20ns FWHM pulses at 2.95GHz. The average power is 2.4kW. The efficiency is 24%, and the gain is about 34dB. Limitations attributing directly to the repetitive pulsing at these levels have not been observed.

References

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HUANG Hua, FENG Di-Chao, LUO Guang-Yao, CHEN Zhi-Gang, LEI Lu-Rong, LIAO Yong, ZHANG Yun-Jian, YU Ai-Ming, TAN Jie, YANG Zhou-Bin, JIN Xiao and MENG Fan-Bao. Repetitive Operation of an S-Band, Short Pulse Relativistic Klystron Amplifier[J]. Chinese Physics C, 2007, 31(3): 288-291.

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Received: 2006-06-26
Revised: 2006-09-01

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