System and apparatus for reducing the effects of circuit...

Coded data generation or conversion – Analog to or from digital conversion – Analog to digital conversion

Reexamination Certificate

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C341S120000

Reexamination Certificate

active

07075473

ABSTRACT:
A system and apparatus for reducing the effects of circuit mismatch in analog-to-digital converters is disclosed. In one form, an analog-to-digital converter (ADC) includes a switching network operable to couple an analog input received by a sample and hold module to a folding amplifier operable to process the analog input. The ADC further includes an averaging resistive network coupled to the folding amplifier and operable to provide an output representative of a portion of the analog input received by the folding amplifier to produce a digital representation of the analog input.

REFERENCES:
patent: 5376937 (1994-12-01), Colleran
patent: 5719578 (1998-02-01), Bohme
patent: 6157257 (2000-12-01), Murphy
patent: 6628167 (2003-09-01), Morton et al.

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