Electric lamp and discharge devices: systems – Cathode ray tube circuits – Cathode-ray deflections circuits
Patent
1981-12-14
1983-12-06
Blum, Theodore M.
Electric lamp and discharge devices: systems
Cathode ray tube circuits
Cathode-ray deflections circuits
H01J 2970, H01J 2976
Patent
active
044196083
ABSTRACT:
A horizontal deflection circuit for a television receiver includes a switching output transistor which may experience high collector current under certain receiver conditions. A resistor is placed in the transistor emitter path to provide negative feedback to the base drive circuit in order to control transistor conduction. The horizontal deflection yoke is returned to the emitter of the output transistor so that yoke current will not flow through the resistor, which would otherwise degrade deflection linearity.
REFERENCES:
patent: 3970894 (1976-07-01), Yasuda et al.
patent: 4147964 (1979-04-01), Luz et al.
patent: 4254365 (1981-03-01), Knight
Chirlian, Analysis and Design of Integrated Electronic Circuits, 1981, Harper & Row, N.Y. p. 715.
Millman et al., Integrated Electronics: Analog & Digital Circuits & Systems, 1972, McGraw-Hill, N.Y., p. 434.
Blum Theodore M.
Meise William H.
Rasmussen Paul J.
RCA Corporation
Stevens Scott J.
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