High-power X-band amplification from an overmodedthree-cavity gyroklystron with a tunable penultimate cavity |
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| Authors: | Tantawi SG Main WT Latham PE Nusinovich GS Lawson WG Striffler CD Granatstein VL |
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| Institution: | Lab. for Plasma Res., Maryland Univ., College Park, MD; |
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| Abstract: | Experimental results for a 10 GHz TE01 mode three-cavity gyroklystron with a tunable penultimate cavity are presented. The electron beam was produced by a pulse line modulator and a magnetron injection gun which operates to 433 kV and 225 A with 1 μs flat-top. Three-cavity circuits have produced a peak power of 27 MW with efficiency of 32% and pulse energy of 39 J. A maximum gain of 50 dB was achieved at a peak power of 20 MW, and a maximum efficiency of 37% was achieved at a peak power of 16 MW |
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