Power-supply device for a microchannel tube

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

1978-03-22

1980-03-25

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

250207, 250214AG, H01J 3912

Patent

active

041952227

ABSTRACT:
A power supply for a microchannel image tube. Microchannel plate voltage is controlled, to adjust tube gain, as an inverse function of screen current in an intermediate illumination range. In addition, the photocathode plate voltage is controlled as a function of screen current in a second illumination range. The said second illumination range including higher illumination values than said first range and the lowest illumination value in said second range is at least equal to the minimum illumination value in said first range.

REFERENCES:
patent: 3666957 (1972-05-01), Wyess
patent: 3739178 (1973-06-01), Chow
patent: 3816744 (1974-06-01), Chow

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