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