带冷二次发射阴极的ka波段磁控管

2015 IEEE International Vacuum Electronics Conference (IVEC) Pub Date : 2015-04-27 DOI:10.1109/IVEC.2015.7223962

Shengen Li, T. Yan, Jinsheng Yang, Fengling Li, M. Ding

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引用次数: 0

摘要

冷阴极技术是磁控管的重大发展。该磁控管具有良好的稳定性和可靠性，启动速度快。比较了四种冷磁控管的冷启动性能，最终选择了合金阴极作为冷阴极磁控管的发射极。该合金阴极磁控管无需灯丝即可启动，启动时间小于5s。同时，该磁控管的脉冲宽度和输出功率与传统的热离子阴极磁控管一致。

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Ka-band magnetron with cold secondary-emission cathode

Cold cathode technology is significant development of magnetron. This magnetron has good stability and reliability, and could start up fast. Comparing the cold starting-up performance of four kind cold magnetrons, an alloy cathode is selected as the emitter of cold cathode magnetron finally. This alloy cathode magnetron could start up without filament and the starting-up time is less than 5s. At the same time, pulse width and output power of this magnetron is in accordance with conventional thermionic cathode magnetron.

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2015 IEEE International Vacuum Electronics Conference (IVEC)

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