FIELD: electrical engineering.
SUBSTANCE: present invention relates to electronic devices. The cathode of a magnetron is divided into electrical or thermal sections of arbitrary shape, size or location, connected to voltage proportional to the required power. According to this method, the filament-type cathode of the magnetron is made from a ring with a slit. Filament voltage is applied at the ends of the ring, depending on the power output from the electron-emitting layer deposited on the filament.
EFFECT: wider assortment of apparatus used for regulating power of the magnetron.
3 cl, 7 dwg
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