Analog to digital converter

Details Analog to digital converter Analog to digital converter

1988-12-15

1992-04-21

Shoop, Jr., William M.

Coded data generation or conversion

Analog to or from digital conversion

Digital to analog conversion

341155, 341162, H03M 144

Patent

active

051072653

ABSTRACT:
A continuous ADC for generating a digital representation, corresponding to a given quantized voltage level, of an analog input signal and for updating the digital representation at times when the approximate amplitude of the analog signal changes from one quantized level to another. A preferred embodiment includes a set of serially connected output stages with each stage for generating a bit output signal included in the digital representation and an analog residual output signal having an amplitude equal to a linear combination of the amplitude of the input analog signal and the prior bit output signals.

REFERENCES:
patent: 3936820 (1976-02-01), Goldstone et al.
patent: 4179687 (1979-12-01), van de Plassche et al.
patent: 4275386 (1981-06-01), Michel et al.
patent: 4336525 (1982-06-01), Chapple, III
patent: 4379285 (1983-04-01), Dooley
patent: 4593268 (1986-06-01), Blauschild

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