The voltage controlled oscillator oscillates at {HEAD ~ a frequency} equal to {TAIL ~ the center frequency} of the carrier of the input angle modulated wave, when the phase locked loop becomes unlocked 
The voltage controlled oscillator oscillates at { HEAD ~ a frequency } equal to { TAIL ~ the center frequency } of the carrier of the input angle modulated wave , when the phase locked loop becomes unlocked
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH