As shown in FIG 2, {HEAD ~ the loop filter} 22 is located electrically between the phase detector 24 of the PLL 20 and {TAIL ~ the VCO} 18 
As shown in FIG 2 , { HEAD ~ the loop filter } 22 is located electrically between the phase detector 24 of the PLL 20 and { TAIL ~ the VCO } 18
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH