Accuracy enhancement techniques for ADCs
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United States of America Patent
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Jun 30, 2015
Grant Date -
Apr 2, 2015
app pub date -
Oct 1, 2013
filing date -
Oct 1, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
Embodiments of the present invention may provide accuracy enhancement techniques to improve ADC SNRs. For example, regular bit trials from a most significant bit (MSB) to predetermined less significant bit of a digital word and extra bit trials may be performed. The results of the regular and extra bit trials may be combined to generate a digital output signal. A residue error may be measured, and the digital output signal may be adjusted based on the measured residue error.
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