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Digital implementation of a mismatch-shaping successive-approximation ADC

Utilizing a two-capacitor topology, the digital implementation of an audio-band
successive-approximation analog-to-digital converter (ADC) is explored in the
context of mismatch-shaping where the mismatch estimates are accurate to the first
order. A second-order ����� loop was found to be effective in system simulations
given a 0.1% capacitor mismatch. Spectral analysis of the ADC shows dramatic
improvements in total harmonic distortion as well as 87 dB SNDR (signal to noise
and distortion ratio) for an oversampling ratio of 10. / Graduation date: 2002

Identiferoai:union.ndltd.org:ORGSU/oai:ir.library.oregonstate.edu:1957/31137
Date15 October 2001
CreatorsCoe, Matthew T.
ContributorsMoon, Un-Ku
Source SetsOregon State University
Languageen_US
Detected LanguageEnglish
TypeThesis/Dissertation

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