Apparatus for providing a nonlinear output in response to a line

Details Apparatus for providing a nonlinear output in response to a line Apparatus for providing a nonlinear output in response to a line

1996-12-30

1998-05-19

Pascal, Robert

Electric lamp and discharge devices: systems

Current and/or voltage regulation

Automatic regulation

315149, 327346, 327350, H05B 4136, G06F 7556

Patent

active

057540136

ABSTRACT:
An amplifier which outputs a nonlinear function in response to a linear input. The nonlinear response is a piece-wise linear approximation. The circuit includes an op amp which outputs a ramping voltage and a series of stages which change the scope of the ramping voltage. As the output of the op amp reaches a particular breakpoint, an additional stage of the circuit is activated so as to change the slope of the output. The new line segment has a new slope such that the combination of all these stages approximates a nonlinear response.

REFERENCES:
patent: 4980584 (1990-12-01), Goff et al.
patent: 4990803 (1991-02-01), Gilbert
patent: 5027034 (1991-06-01), Ruby et al.
patent: 5258323 (1993-11-01), Sarma et al.
patent: 5489868 (1996-02-01), Gilbert
patent: 5506537 (1996-04-01), Kimura

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