Design and experiment of a Kα-band TE01 modefundmetal wave gyroklystron amplifier | Zendy

Xu Yong | Zendy; Yong Luo | Zendy; Xiong Cai-Dong | Zendy; Hongfu Li | Zendy; Xue Deng | Zendy; Youlei Pu | Zendy; Hui Wang | Zendy; Wang Jianxun | Zendy; Ran Yan | Zendy

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Design and experiment of a Kα-band TE01 modefundmetal wave gyroklystron amplifier

Author(s) -

Xu Yong,

Yong Luo,

Xiong Cai-Dong,

Hongfu Li,

Xue Deng,

Youlei Pu,

Hui Wang,

Wang Jianxun,

Ran Yan

Publication year - 2011

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.60.048403

Subject(s) - amplifier , klystron , physics , bandwidth (computing) , optics , full width at half maximum , rf power amplifier , cathode ray , power (physics) , materials science , beam (structure) , optoelectronics , electron , telecommunications , computer science , nuclear physics , cmos , quantum mechanics

Based on the analyses and the calculations of the gyroklystron amplifiers self-consistent nonlinear theory, a scheme of Kα-band, TE01 mode, four-cavity fundmetal wave gyroklystron is designed.At the same time, a gyroklystron amplifier is made and tested. The hot test experiment shows that the gyroklystron amplifier can produce 245 kW peak output power, and 3 kW average power at a 35% efficiency and saturated gain of 36.1 dB at central frequency 34 GHz, when using 60 W driving power, and a 70 kV, 10 A annular electron beam in a magnetic field of 1.31 T. The full width half maximum (FWHM) bandwidth is higher than 280 MHz. The amplifier is zero-drive stable. Experimental results are found to be in excellent agreement with theoretical predictions.

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