Characteristics of {HEAD ~ the jittering test signal} that is output from the variable delay unit are dependent on {TAIL ~ the jitter control signal} 
Characteristics of { HEAD ~ the jittering test signal } that is output from the variable delay unit are dependent on { TAIL ~ the jitter control signal }
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL