Temperature compensated square function generator

Details Temperature compensated square function generator Temperature compensated square function generator

2007-04-24

2007-04-24

Mai, Tan V. (Department: 2193)

Electrical computers: arithmetic processing and calculating

Electrical analog calculating computer

Particular function performed

Reexamination Certificate

active

10458970

ABSTRACT:
Temperature compensation may be provided to a square function generator by adjusting a tail current of the square function generator. Temperature compensation of the square function generator may be provided, for example, by a second square function generator circuit and an error amplifier. The second square function generator may be substantially similar to the first square function generator. The error amplifier is arranged in cooperation with the first and second square function generators such that the output of the error amplifier adjusts the tail current of the square function generators. A plurality of temperature square function generators may be configured to provide a temperature-compensated cubic function. The temperature compensated cubic function may be used for S-correction in a display system such as a cathode ray tube.

REFERENCES:
patent: 3942074 (1976-03-01), Graham
patent: 5412290 (1995-05-01), Helfrich

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