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