Nonlinear integrator

Details Nonlinear integrator Nonlinear integrator

1996-03-06

1998-06-09

Tran, Toan

Miscellaneous active electrical nonlinear devices, circuits, and

Specific input to output function

By integrating

327336, 327341, 327 67, G06G 764

Patent

active

057640955

ABSTRACT:
A non-linear integrator of a closed loop integration system selectively modifies the gain of the closed loop integration system in order to avoid system saturation while still experiencing high gain in a desired linear portion of the system. A non-linear integrator structure and method allow the gain of the closed loop integration system to be selectively modified in order to avoid saturation while experiencing high gain. The non-linear integrator includes an amplifier, a current source element which generates a bias input signal, a bias circuit which provides the bias input signal to the amplifier and allows the bias input signal to be selectively modified, a storage element coupled to the amplifier, and a gain element, coupled to the storage element, which produces an output signal determined by voltage on the storage element. A voltage input signal and a bias input signal are supplied to the amplifier which generates an amplifier output signal. The gain of the amplifier may be selectively modified by modifying the bias input signal to the amplifier by means of the bias circuit.

REFERENCES:
patent: 4887048 (1989-12-01), Krenik et al.
patent: 5187448 (1993-02-01), Brooks et al.
patent: 5239210 (1993-08-01), Scott
patent: 5293445 (1994-03-01), Carobolante
patent: 5471169 (1995-11-01), Dendinger
patent: 5475323 (1995-12-01), Harris et al.
patent: 5508656 (1996-04-01), Jaffard et al.

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