Deflection circuit

Details Deflection circuit Deflection circuit

1983-06-10

1984-09-18

Blum, Theodore M.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

315408, H01J 2970, H01J 2976

Patent

active

044726627

ABSTRACT:
A high efficiency cathode-ray tube magnetic deflection circuit, providing a sawtooth current waveform at a frequency of 100 kilohertz that includes a FET transistor (11) connected to an anti-phased step-down transformer (15,16,17) for driving an output transistor (18). A co-phased step-up transformer (33,34,35) connected to the deflection yoke (19) provides deflection "S" correction, and also a dynamic focus waveform. The transformers have litz wire windings.

REFERENCES:
patent: 3931545 (1976-01-01), Marino
patent: 4088138 (1978-05-01), Diack et al.
patent: 4227125 (1980-10-01), Bohringer
patent: 4316128 (1982-02-01), Shiratsuchi
patent: 4323826 (1982-04-01), Lehman
patent: 4400652 (1983-08-01), Sunderland
Zworykin, Television, 2nd Edition, Wiley, 1954, pp. 567-568.

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