When an input signal of a low level is outside of the lock range characteristic of the phase locked loop, {HEAD ~ a voltage controlled oscillator} of {TAIL ~ the phase} locked loop oscillates at a predetermined frequency 
of
When an input signal of a low level is outside of the lock range characteristic of the phase locked loop , { HEAD ~ a voltage controlled oscillator } of { TAIL ~ the phase } locked loop oscillates at a predetermined frequency
OTH 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 HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH