Photomultiplier tube with gain control

Details Photomultiplier tube with gain control Photomultiplier tube with gain control

1987-10-16

1989-02-14

Blum, Theodore M.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

250207, 250214A, 250214AL, H01J 2952, H01J 4014

Patent

active

048048917

ABSTRACT:
Improved gain control in a photomultiplier tube having a plurality of dynode stages is achieved through manual or automatic change of the bias voltage on at least one of the several dynodes between the anode and cathode of the tube. By such means, maximum tube gain change is obtained with a minimum of bias voltage swing.

REFERENCES:
patent: 3321629 (1967-05-01), Hobrough
patent: 3465157 (1969-09-01), Martens
patent: 3943458 (1976-03-01), Cohn
patent: 4367404 (1983-01-01), Kaye
patent: 4590368 (1986-05-01), Govaert
patent: 4649269 (1987-03-01), Persyk

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