A jitter unit converts a stable input test signal into {HEAD ~ a jittering output test signal} used to test {TAIL ~ the jitter tolerance} of electronic equipment 
used to test
A jitter unit converts a stable input test signal into { HEAD ~ a jittering output test signal } used to test { TAIL ~ the jitter tolerance } of electronic equipment
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH