a first element processed to generate a functional computer executable representation of {HEAD ~ a loop filter} in {TAIL ~ a phase lock loop circuit}, the loop filter comprising: 
a first element processed to generate a functional computer executable representation of { HEAD ~ a loop filter } in { TAIL ~ a phase lock loop circuit } , the loop filter comprising :
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH