PHASE-FREQUENCY DETECTOR TOP VIEW REF IN 1 w w aD1 D .
w VAR S a t e e h 2 3 U 4 t .c om INPUT AI PD PU REF VAR UPC1008C IL08 VCC 14 13 U1 OUT 12 U2 OUT 11 PD IN 10 DF OUT 9 AI 8 AO OUT IN : : : : : FILTER AMP CHARGE PUMP DOWN CHARGE PUMP UP REFERENCE VARIABLE PU IN 4 UF OUT 5 D2 OUT 6 7 GND OUTPUT AO : D1, D2 : DF : U1, U2 : UF : FILTER AMP DOWN CHARGE PUMP DOWN UP CHARGE PUMP UP PHASE FREQ.
DET-1 FALLING EDGE SENSING TYPE INPUTS fV = fR ØV = ØR fV < fR ØV l
