That is, {TAIL ~ both the frequency} of {HEAD ~ change} in the delay and the level of delay or phase difference depend on the jitter control signal 
That is , { TAIL ~ both the frequency } of { HEAD ~ change } in the delay and the level of delay or phase difference depend on the jitter control signal
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH