Parallel analog-to-digital converter

Details Parallel analog-to-digital converter Parallel analog-to-digital converter

1989-03-07

1991-02-05

Shoop, Jr., William M.

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

341138, H03M 136

Patent

active

049909177

ABSTRACT:
A parallel analog-to-digital converter having reference-voltage generating means dividing the fundamental reference voltage into exponential reference voltages according to an exponential scale, and further dividing each voltage between two consecutive exponential reference voltages into a plurality of individual reference voltages. As a result, the individual reference voltages have a nonlinear (exponential) characteristic that as the amplitude of an analog input voltage increases, the increment of the individual reference voltages becomes larger exponentially, thus greatly reducing the number of comparators.

REFERENCES:
patent: 3688221 (1972-08-01), Fruhalf
patent: 3735264 (1973-05-01), Mauduech
patent: 3736586 (1973-05-01), Donjon

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