The integrated circuit 1, wherein the PLL further comprises a loop filter between {TAIL ~ an output} of the charge pump and an input of {HEAD ~ the VCO}, and wherein the loop filter is provided externally to the IC via a loop filter port of the IC, such that a user of the IC can adjust parameters of the loop filter specifically tailored to specific operations of the PLL 
The integrated circuit 1 , wherein the PLL further comprises a loop filter between { TAIL ~ an output } of the charge pump and an input of { HEAD ~ the VCO } , and wherein the loop filter is provided externally to the IC via a loop filter port of the IC , such that a user of the IC can adjust parameters of the loop filter specifically tailored to specific operations of the PLL
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH