System and method for calibration of autoranging architectures

Details System and method for calibration of autoranging architectures System and method for calibration of autoranging architectures

2006-05-30

2006-05-30

Barnie, Rexford (Department: 2819)

Coded data generation or conversion

Converter calibration or testing

C341S118000, C341S138000, C341S141000, C378S098800

Reexamination Certificate

active

07053806

ABSTRACT:
A method for calibrating a segmented analog to digital signal conversion system is provided. The method includes segmenting a desired relationship between DAC output values and desired ADC input values into a plurality of segments. Each of the plurality of segments includes an offset value and a gain value. The method also includes computing the offset value and an offset coefficient for each of the plurality of segments, computing the gain value and an gain coefficient for each of the plurality of segments, and storing the offset value and the gain value for each of the plurality of segments in a memory unit for reference in converting an analog signal to a digital signal based upon the gain value and offset value.

REFERENCES:
patent: 5543795 (1996-08-01), Fernald
patent: 5568530 (1996-10-01), Saito et al.
patent: 5635937 (1997-06-01), Lim et al.
patent: 6798864 (2004-09-01), Petrick et al.

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