Deflection amplifier

Details Deflection amplifier Deflection amplifier

1986-09-02

1988-01-12

Blum, Theodore M.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

315389, H01J 2970, H01J 2976

Patent

active

047193930

ABSTRACT:
A deflection amplifier for a CRT display device which generates a sweep ramp by means of a low distortion complimentary push-pull amplifier. The amplifier generates a compliance voltage which is fed back to an initial push-pull differential amplifier input stage and which is also used to generate a current through a deflection yoke coil. A sense resistor in series with the deflection yoke coil operates with a differential amplifier to direct a negative feedback signal to the input for the complimentary push-pull amplifier.

REFERENCES:
patent: 3500221 (1970-03-01), Mercier
patent: 3638130 (1972-01-01), Freeborn
patent: 3786303 (1974-01-01), Hilburn
patent: 3816792 (1974-06-01), Spencer, Jr.
patent: 4164688 (1979-08-01), Cushing
patent: 4297621 (1981-10-01), Spilsbury

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