Method of correction of the error introduced by a multibit...

Details Method of correction of the error introduced by a multibit... Method of correction of the error introduced by a multibit...

2005-03-15

2005-03-15

Young, Brian (Department: 2819)

Coded data generation or conversion

Converter compensation

C341S120000

Reexamination Certificate

active

06867718

ABSTRACT:
A method corrects the error in an output digital signal (Out) of an analog/digital converter (ADC) (100), in which the error is introduced by a multibit digital/analog converter (DAC) (125) incorporated in the ADC. The method calculates (905) coefficients (pi,piri) of a linear combination of vectors of a vector space representative of the error introduced by the DAC; calculates (910-1, . . . , 910-7) the correlation of a signal (Res1d) containing the error introduced by the DAC, to extract an estimation of each vector; calculates a linear combination representative of the estimation of the error introduced by the DAC, and uses the estimation of the error introduced by the DAC to correct the ADC output signal.

REFERENCES:
patent: 6049298 (2000-04-01), Knudsen
patent: 20020041248 (2002-04-01), Galton
European Search Report dated Nov. 4, 2003 for European Application No. 03425032.4.

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