Jitter is a type of timing error between the expected or ideal timing of a signal and {HEAD ~ the actual timing} of {TAIL ~ a signal} in which the characteristics of the timing error change with time 
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Jitter is a type of timing error between the expected or ideal timing of a signal and { HEAD ~ the actual timing } of { TAIL ~ a signal } in which the characteristics of the timing error change with time
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH