Power supply induced signal jitter compensation
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United States of America Patent
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May 7, 2013
Grant Date -
Jul 19, 2012
app pub date -
Jan 13, 2011
filing date -
Jan 13, 2011
priority date (Note) -
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Abstract
Examples of circuits and methods for compensating for power supply induced signal jitter in path elements sensitive to power supply variation. An example includes a signal path coupling an input to an output, the signal path including a delay element having a first delay and a bias-controlled delay element having a second delay. The first delay of the delay element exhibits a first response to changes in power applied thereto and the second delay of the bias-controlled delay element exhibits a second response to changes in the power applied such that the second response compensates at least in part for the first response.
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