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This paper describes the self-oscillation phenomenon which was detected in the course of hot-test of an S-band 22kW Average-Power-Klystron with 7.14% relative bandwidth [1], the oscillation frequency is in the vicinity of 8.9GHz and in accord with the high-order mode of TE311 of cylindrical cavity by the means simulation of the double-gap output cavity. In order to eliminate the self-oscillation,...
This paper analyses the failure phenomena of output window of high average power klystron briefly. According to the performance features of beryllia and alumina, we made the corresponding output windows and applied into certain type of S-band 50kW high average power klystron. It is proved that the beryllia output window is superior than alumina output window after the comparison of test data attained...
This paper reports the design considerations, simulation results, and test results of an S-band 70-MHz-instantaneous-bandwidth 50-kW-average-power klystron, which was developed by the Institute of Electronics, Chinese Academy of Sciences, from January 2004 to August 2007. The typical result is a 50-kW average output power with an 89-mus RF pulsewidth and a 300-Hz repetition rate during 8 h of continuous...
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