Analog to digital converter with second order error correction

Details Analog to digital converter with second order error correction Analog to digital converter with second order error correction

1990-04-02

1991-01-15

Shoop, Jr., William M.

Coded data generation or conversion

Converter compensation

341155, H03M 106

Patent

active

049857029

ABSTRACT:
An analog to digital converter with second order error correction provides a more accurate digital output code for a high frequency input analog signal. A slope of the input signal is determined from the digital output code of a quantizer, and the slope is used to provide a correction value that is a function of the slope. The correction value may also be a function of a level range of the quantizer. The correction value is added to the digital output code to produce a corrected digital output code.

REFERENCES:
patent: 4746902 (1988-05-01), Tol et al.
patent: 4903023 (1990-02-01), Evans et al.
patent: 4903024 (1990-02-01), Evans et al.
patent: 4908621 (1990-03-01), Polonio et al.

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