METHOD AND DEVICE FOR IMPROVING CONVERGENCE TIME IN CORRELATION-BASED ALGORITHMS
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United States of America Patent
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Sep 16, 2014
Grant Date -
Sep 18, 2014
app pub date -
May 20, 2013
filing date -
Mar 15, 2013
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Abstract
A method and a corresponding device reduce the convergence time of a correlation algorithm that uses random signals injected into an analog-to-digital converter (ADC) as input to the algorithm. The method and device involve, at a processor of a pipelined ADC, injecting a random signal into each of a plurality of stages in the pipeline and obtaining digital values generated in response to the random signals. Noise components of residue signals in the plurality of stages are calculated as a function of the digital values and values of the random signals. The noise components correspond to the random signals.
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