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