High-speed analog-to-digital converter

Details High-speed analog-to-digital converter High-speed analog-to-digital converter

1998-04-14

2000-03-21

Williams, Howard L.

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

341154, H03M 112

Patent

active

060407948

ABSTRACT:
An A/D converter that settles the converted digital result requiring no timing signal for synchronously-triggered conversion operation is disclosed. The A/D converter converts analog signals into digital signals in a limited number of rippling feedback operations in short time delay periods utilizing a simple circuit configuration that includes a network of parallel comparators. Each of the comparators is fed with a corresponding voltage reference supply by a resistor network. Each of the resistor networks includes series connections of resistors and a corresponding switch means that reflects the status of a determined data bit of the converted data. The circuitry configuration is relatively simply in structure and settles to a converted digital data in short periods of time that requires no synchronizing clock signal.

REFERENCES:
patent: 4755793 (1988-07-01), Neidorff
patent: 4987417 (1991-01-01), Buckland
patent: 4989004 (1991-01-01), Kanayama
patent: 5184131 (1993-02-01), Ikeda
patent: 5194867 (1993-03-01), Fisher
patent: 5493300 (1996-02-01), Eiler et al.

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