Analog-to-digital converter and threshold-value correcting...

Details Analog-to-digital converter and threshold-value correcting... Analog-to-digital converter and threshold-value correcting...

2008-09-02

2008-09-02

Nguyen, Khai M (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

C341S118000, C341S154000, C341S159000

Reexamination Certificate

active

11645564

ABSTRACT:
An analog-to-digital converter includes a track-and-hold circuit, a constant-voltage source, a threshold voltage selection circuit, a first comparator to a seventh comparator, an encoder, and a reference voltage output circuit. In a correction mode where the offsets of the first to seventh comparators are to be corrected, a track-and-hold circuit shuts off the input of an analog voltage to the first to seventh comparators by turning off the track-hold switch.

REFERENCES:
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patent: 5696508 (1997-12-01), Gross et al.
patent: 5861829 (1999-01-01), Sutardja
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patent: 6107949 (2000-08-01), Gross, Jr.
patent: 6710734 (2004-03-01), Ono et al.
patent: 6778124 (2004-08-01), Hashimoto et al.
patent: 8-279752 (1996-10-01), None

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