Television vertical ramp generator

Details Television vertical ramp generator Television vertical ramp generator

1977-08-31

1980-12-23

Dixon, Harold A.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

315364, 315410, H03K 408

Patent

active

042412650

ABSTRACT:
A vertical sawtooth generator adaptable for integrated circuit application self-oscillates under control of a latch circuit. A circuit controls the linearity of the charging capacitor ramp voltage. High frequency components of the recurrent ramp occurring due to the retrace discharge current are reduced by controlling the discharge currents. The ramp rate is controlled by a single resistor external to an integrated circuit.

REFERENCES:
patent: 2835809 (1958-05-01), Taylor
patent: 2874311 (1959-02-01), Turnage
patent: 2914685 (1959-11-01), McVey
patent: 3229151 (1966-01-01), Attwood
patent: 3341716 (1967-09-01), Chilton
patent: 3659141 (1972-04-01), Kubala

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