Analog to digital converter

Details Analog to digital converter Analog to digital converter

1974-06-20

1976-07-06

Miller, Charles D.

Communications: electrical

Audible indication

Percussion-type sound producer

H03K 13175

Patent

active

039684865

ABSTRACT:
An electronic analog to digital converter utilizing a plurality of analog comparators, all comparators receiving a common analog input and separate respective reference voltages for comparison. The outputs of the comparators provide respectively the digital word output of the analog to digital converter wherein the output state of the comparators are dependent upon the output state of the prior higher order comparator and where the resolution of the analog to digital converter is dependent on the number of stages of comparators utilized. The referenced voltage for the least significant digital bit is determined by all prior, high order digital output. The analog to digital converter disclosed is of the asynchronous type not requiring a clock signal and the total analog to digital conversion time is nT.sub.c, where n is the number of comparator stages and T.sub.c is the response time of the comparator.

REFERENCES:
patent: 2453454 (1948-11-01), Norwine
patent: 2950469 (1960-08-01), Raasch
patent: 3100298 (1963-08-01), Fluhr
patent: 3225347 (1965-12-01), Doyle
patent: 3255447 (1966-06-01), Sharples
patent: 3315251 (1967-04-01), Kaneko

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