Process and system for the analog-to-digital conversion of signa

Details Process and system for the analog-to-digital conversion of signa Process and system for the analog-to-digital conversion of signa

1996-01-11

1998-02-03

Gaffin, Jeffrey A.

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

341139, H03M 110, H03M 106

Patent

active

057149569

ABSTRACT:
System for analog-digital conversion of signal using at least two less highly resolving AD converters, each having a different preamplification, wherein the AD converter having the most favorable resolution of the momentary signal is utilized to compute therefrom the digital output signal of the system. The preamplifications do not have to be precisely known, but are determined by means of the digital signals formed by the conversion. Preamplification errors, such as offset errors or transmit time errors, are eliminated by choosing the appropriate computation algorithm.

REFERENCES:
patent: 4129864 (1978-12-01), Carpenter et al.
patent: 4937579 (1990-06-01), Maio et al.
patent: 4999628 (1991-03-01), Kakubo et al.
patent: 5093660 (1992-03-01), Beauducel
patent: 5499027 (1996-03-01), Karanicolas et al.
Horst Zander, "Datenwandler A/D-und D/A-Wandler-Schnittstellender diitalen ignalverareitung" Vogel Verlag und Druck KG, Wurzberg, Germany; 1990; pp. 106-117.

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