DC Coupled, wide band width high voltage modulator

Details DC Coupled, wide band width high voltage modulator DC Coupled, wide band width high voltage modulator

1979-04-30

1980-10-28

Blum, Theodore M.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

315 30, H01J 2952

Patent

active

042309735

ABSTRACT:
Apparatus for controlling the intensity of a display on a cathode ray tube wherein the control signals are DC through several megahertz and a control loop maintains the average value of the control signal on the grid of a cathode ray tube relatively constant. Low frequency and high frequency signals are applied to the tube through separate circuits which are coupled together to provide coincident high pass and low pass -3 db crossover points so that all control signals applied to the tube are substantially equal over the entire bandwidth.

REFERENCES:
patent: 2884562 (1959-04-01), Solow
patent: 3403291 (1968-09-01), Lazarchick, Jr. et al.

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