Publication de 12 numéros par an
ISSN Imprimer: 0040-2508
ISSN En ligne: 1943-6009
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Prospects of Applying a Computational Experiment to the Concept and the Use of Crossed-Field Devices
RÉSUMÉ
Lately, there has been less interest in crossed-field devices among radio electronic designers. This is confirmed by a decrease in the amount of published literature on magnetrons (as compared, for example, to the middle of the seventies [1-3]) and in the number and range of produced magnetron devices.
Among possible reasons for such a decrease, the growing competition of O-type vacuum electronic devices with magnetron ones can be mentioned. This is primarily related to the fact that the multiple-beam designs of lamps (traveling-wave tubes, klystrons, and klystrodes) appeared. For example [4], multiple-beam klystrons, which are widely used in general-purpose radars, are designed; their parameters are: much broader amplification band, low accelerating voltage (as compared to single-beam devices), higher efficiency, significantly lower weight, and much reduced size. For comparison, the use of multiple-beam klystrons in the 3-cm band provides output peak power ranging from 20 to 70 kW (with average power of at least 3 kW), a cathode operating voltage of 11−13 kW, a control electrode voltage of 2.5−3 kW, and the device weight does not exceed 16 kg.