Nonlinearity compensation in an electric signal processing circu

Details Nonlinearity compensation in an electric signal processing circu Nonlinearity compensation in an electric signal processing circu

1997-07-25

1999-09-21

Mottola, Steven J.

Amplifiers

Signal feedback

Variable impedance in feedback path varied by separate...

330282, 330284, H03G 312

Patent

active

059559195

ABSTRACT:
An electric signal processing circuit with an operational amplifier having a signal input, a feedback input and a signal output, and a nonlinear circuit device having a characteristic with a distortion-producing nonlinearity and located in the input signal circuit or in the feedback circuit of the operational amplifier, wherein a compensating circuit device having a characteristic with generally the same nonlinearity as the characteristic of the nonlinear circuit device is disposed in the feedback circuit or in the input signal circuit of the operational amplifier for compensating the distortion of the nonlinear circuit device.

REFERENCES:
patent: 4509021 (1985-04-01), Van Uden
patent: 4551685 (1985-11-01), Kerns, Jr. et al.
patent: 5266905 (1993-11-01), Johnson
patent: 5523721 (1996-06-01), Segawa et al.

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