Flash analog to digital converter with method and system for dynamic calibration
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United States of America Patent
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Jan 8, 2013
Grant Date -
Jul 12, 2012
app pub date -
Jan 12, 2011
filing date -
Jan 12, 2011
priority date (Note) -
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Abstract
A flash analog to digital converter and a method and system for dynamically calibrating the flash analog to digital converter. The analog to digital converter may include a track and hold circuit and a plurality of comparators. The analog to digital converter may also include an under-sampling circuit configured to convert a digitized reference signal into an under-sampled digitized reference signal with a frequency of the calibration frequency divided by a positive number M. The under-sampling circuit may be further configured to calibrate a subsequent signal based on the under-sampled digitized reference signal.
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