Power-supply device for a microchannel tube

Details Power-supply device for a microchannel tube Power-supply device for a microchannel tube

H - Electricity

01

J

355/38

H01J 40/14 (2006.01) H01J 43/30 (2006.01)

Patent

CA 1116306

ABSTRACT: A power-supply device for a microchannel tube comprising a sercen, a microchannel plate and a photocathode, which device comprises a first oscillator which via a first voltage multiplier supplies the screen voltage. This device energizes the plate via a second multiplier which is eon- nected to the first oscillator via a transformer, and a third multiplier which is connected in series with the second multiplier and is connected to a second oscillator by the transformer. The photocathode is driven by a voltage chopper which receives its power from the second oscillator, said second oscillator and consequently the chopper, being controlled by the average screen current. In another version of the invention the chopper receives its power from the first oscillator via a voltage multiplier. Used for night-vision applications. -30-

299376

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