Flexible analog-to-digital converter

Details Flexible analog-to-digital converter Flexible analog-to-digital converter

2007-01-18

2010-11-09

Nguyen, Khai M (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

C341S154000, C341S159000

Reexamination Certificate

active

07830291

ABSTRACT:
An analog-to-digital converter (1). The analog to digital converter (1) comprises a first range-control unit (100) adapted to generate a first range-control value for controlling a size of an input range of the analog-to-digital converter (1). The analog to digital converter further comprises a second range-control unit (200) adapted to generate a second range-control value for controlling a midpoint of the input range. Further, the analog-to-digital converter (1) comprises a reference-level unit (300) operatively connected to the first range-control unit (100) and the second range-control unit (200). The reference-level unit (300) is arranged to generate a plurality of reference levels at least based on the first and the second range-control value. The analog-to-digital converter further comprises a comparison unit (400) operatively connected to the second range-control unit (200) and the reference-level unit (300). The comparison unit (400) is arranged to perform at least one comparison between a difference between an analog input value of the analog-to-digital converter (1) and the second range-control value and individual reference levels of the plurality of reference levels. The comparison unit (400) is further arranged to generate a digital output value of the analog-to-digital converter (1) based on the at least one comparison.

REFERENCES:
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patent: 7102424 (2006-09-01), Vorenkamp
patent: 7279960 (2007-10-01), Lee
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patent: 0 729 234 (1996-08-01), None
International Search Report corresponding to PCT/EP2007/050505, mailing date of Jun. 8, 2007.

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