The present invention concerns {HEAD ~ a phase detector circuit} comprising {TAIL ~ a control circuit}, a pump up circuit, and a pump down circuit 
The present invention concerns { HEAD ~ a phase detector circuit } comprising { TAIL ~ a control circuit } , a pump up circuit , and a pump down circuit
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH