Analog-to-digital converter cyclically repeating AD conversion

Details Analog-to-digital converter cyclically repeating AD conversion Analog-to-digital converter cyclically repeating AD conversion

2005-12-20

2005-12-20

Nguyen, John B (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

C341S126000, C341S156000

Reexamination Certificate

active

06977604

ABSTRACT:
An AD converter capable of achieving both an improved processing speed and a reduced circuit area in good balance. The AD converter pipelines analog-to-digital conversion by using a two-stage configuration consisting of a first conversion unit, or the prior stage, and a second conversion unit, or the subsequent stage. The first conversion unit is a conversion unit of noncyclic type. The second conversion unit is a conversion unit of cyclic type. The second conversion unit is given a conversion processing speed higher than that of the first conversion unit so that the second conversion unit performs cyclic processing twice while the first conversion unit performs conversion processing once.

REFERENCES:
patent: 5159342 (1992-10-01), Yotsuyanagi
patent: 6195032 (2001-02-01), Watson et al.
patent: 6304206 (2001-10-01), Wada et al.
patent: 6683554 (2004-01-01), Nikai et al.
patent: 6859158 (2005-02-01), Wada et al.
patent: 11-145830 (1999-05-01), None

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