{TAIL ~ The system}, according to the invention, positively employs a narrow portion of the width of {HEAD ~ the lock frequency range} of the phase locked loop 
{ TAIL ~ The system } , according to the invention , positively employs a narrow portion of the width of { HEAD ~ the lock frequency range } of the phase locked loop
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH