Method and apparatus for determining inter-symbol interference for estimating data dependent jitter
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United States of America Patent
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Dec 18, 2007
Grant Date -
Jul 15, 2004
app pub date -
Oct 17, 2003
filing date -
Oct 18, 2002
priority date (Note) -
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Abstract
A method and apparatus for displaying substantially noise-free segments of serial data waveforms. The method comprises the steps of dividing an acquired waveform into a plurality of waveform slices and categorizing each of the plurality of waveform slices according to at least a sequence of N bit values prior to a bit value being observed. The waveform slices in each category are then averaged resulting in an average pattern for each category. Each of the averaged patterns is then displayed on a display in an overlayed manner.
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