Version 4 SHEET 1 1264 1552 WIRE -224 240 -224 176 WIRE -224 176 -80 176 WIRE -224 320 -224 480 WIRE -80 640 -32 640 WIRE 768 176 768 256 WIRE 768 432 768 480 WIRE 768 336 768 368 WIRE 656 176 656 256 WIRE 656 336 656 368 WIRE 656 176 688 176 WIRE 656 432 656 480 WIRE 768 640 768 720 WIRE 768 896 768 944 WIRE 768 800 768 832 WIRE 656 640 656 720 WIRE 656 800 656 832 WIRE 656 640 688 640 WIRE 656 896 656 944 WIRE 48 640 144 640 WIRE -80 640 -80 176 WIRE -80 176 -48 176 WIRE 528 480 528 464 WIRE 528 192 528 176 WIRE 528 304 528 272 WIRE 528 384 528 368 WIRE 528 176 592 176 WIRE 528 944 528 928 WIRE 528 768 528 736 WIRE 528 848 528 832 WIRE 528 656 528 640 WIRE 528 640 592 640 WIRE 592 640 656 640 WIRE 592 176 656 176 WIRE 32 176 128 176 WIRE 288 176 528 176 WIRE 128 496 128 480 WIRE 128 320 128 288 WIRE 128 400 128 384 WIRE 128 208 128 176 WIRE 128 176 224 176 WIRE 144 944 144 928 WIRE 144 768 144 736 WIRE 144 848 144 832 WIRE 144 656 144 640 WIRE 144 640 528 640 WIRE 768 1104 768 1184 WIRE 768 1360 768 1408 WIRE 768 1264 768 1296 WIRE 656 1104 656 1184 WIRE 656 1264 656 1296 WIRE 656 1104 688 1104 WIRE 656 1360 656 1408 WIRE 48 1104 528 1104 WIRE 528 1408 528 1392 WIRE 528 1232 528 1200 WIRE 528 1312 528 1296 WIRE 528 1120 528 1104 WIRE 528 1104 592 1104 WIRE -32 1104 -80 1104 WIRE -80 1104 -80 640 WIRE 592 1104 656 1104 FLAG -224 480 0 FLAG 768 480 0 FLAG 656 480 0 FLAG 768 944 0 FLAG 656 944 0 FLAG 528 480 0 FLAG 528 944 0 FLAG 592 176 n002 FLAG 592 640 n008 FLAG 128 496 0 FLAG 144 944 0 FLAG 768 1408 0 FLAG 656 1408 0 FLAG 528 1408 0 FLAG 592 1104 n021 SYMBOL voltage -224 224 R0 WINDOW 0 64 16 Center 0 WINDOW 123 24 132 Left 0 WINDOW 39 24 160 Left 0 SYMATTR InstName Source SYMATTR Value2 AC 1 SYMATTR SpiceLine Rser=0.1 SYMATTR Value "" SYMBOL res 48 160 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName ZA1 SYMATTR Value {R} SYMBOL res 64 624 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName ZA SYMATTR Value {R} SYMBOL cap 640 368 R0 SYMATTR InstName C1 SYMATTR Value 28p SYMBOL cap 752 368 R0 SYMATTR InstName C2 SYMATTR Value 3.6n SYMBOL res 640 240 R0 SYMATTR InstName R1 SYMATTR Value 1R SYMBOL res 752 240 R0 SYMATTR InstName R2 SYMATTR Value 6R8 SYMBOL ind 672 192 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 5 56 VBottom 0 SYMATTR InstName L1 SYMATTR Value 5.18n SYMBOL cap 640 832 R0 SYMATTR InstName C3 SYMATTR Value 28p SYMBOL cap 752 832 R0 SYMATTR InstName C4 SYMATTR Value 3.6n SYMBOL res 640 704 R0 SYMATTR InstName R3 SYMATTR Value 1R SYMBOL res 752 704 R0 SYMATTR InstName R4 SYMATTR Value 6R8 SYMBOL ind 672 656 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 5 56 VBottom 0 SYMATTR InstName L2 SYMATTR Value 5.18n SYMBOL ind 512 176 R0 SYMATTR InstName L3 SYMATTR Value 1.94n SYMBOL cap 512 304 R0 SYMATTR InstName C5 SYMATTR Value 100n SYMBOL res 512 368 R0 SYMATTR InstName R5 SYMATTR Value 0.050R SYMBOL ind 512 640 R0 SYMATTR InstName L4 SYMATTR Value 1.94n SYMBOL cap 512 768 R0 SYMATTR InstName C6 SYMATTR Value 100n SYMBOL res 512 832 R0 SYMATTR InstName R6 SYMATTR Value 0.050R SYMBOL FerriteBead2 256 176 R90 WINDOW 0 -9 0 VBottom 0 SYMATTR InstName L5 SYMATTR Value 141n SYMATTR SpiceLine Ipk=3 Rser=0.025 Rpar=100 Cpar=712f mfg="Wurth Elektronik eiSos" pn="742 792 063" SYMBOL ind 112 192 R0 SYMATTR InstName L6 SYMATTR Value 1.94n SYMBOL cap 112 320 R0 SYMATTR InstName C7 SYMATTR Value 100n SYMBOL res 112 384 R0 SYMATTR InstName R7 SYMATTR Value 0.050R SYMBOL ind 128 640 R0 SYMATTR InstName L7 SYMATTR Value 1.94n SYMBOL cap 128 768 R0 SYMATTR InstName C8 SYMATTR Value 100n SYMBOL res 128 832 R0 SYMATTR InstName R8 SYMATTR Value 0.050R SYMBOL res 64 1088 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName ZA2 SYMATTR Value {R} SYMBOL cap 640 1296 R0 SYMATTR InstName C9 SYMATTR Value 28p SYMBOL cap 752 1296 R0 SYMATTR InstName C10 SYMATTR Value 3.6n SYMBOL res 640 1168 R0 SYMATTR InstName R9 SYMATTR Value 1R SYMBOL res 752 1168 R0 SYMATTR InstName R10 SYMATTR Value 6R8 SYMBOL ind 672 1120 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 5 56 VBottom 0 SYMATTR InstName L8 SYMATTR Value 5.18n SYMBOL ind 512 1104 R0 SYMATTR InstName L9 SYMATTR Value 1.94n SYMBOL cap 512 1232 R0 SYMATTR InstName C11 SYMATTR Value 100n SYMBOL res 512 1296 R0 SYMATTR InstName R11 SYMATTR Value 0.050R TEXT -370 1536 Left 0 !.ac oct 100 1E6 1E9 TEXT -32 -24 Left 0 ;Modelling of insertion loss on a VCC-Power-Filter with different type of Filters TEXT 120 8 Left 0 ;1) the filtered system with FB selected (n002) ==>Pi-Filter & (n008) two C parallel TEXT 120 40 Left 0 ;2) the system setup as original (n021) TEXT -160 72 Left 0 ;and then plot by (ALT+Double Click) expression: e.g. V(n002)/V(n021) and V(n008)/V(n021) to plot INSERTION LOSS TEXT -352 1472 Left 0 !.step param R LIST 1 10 50 100 TEXT 560 528 Left 0 ;equivalent circuit of Integrated Circuit TEXT 568 1008 Left 0 ;equivalent circuit of Integrated Circuit TEXT 568 1456 Left 0 ;equivalent circuit of Integrated Circuit RECTANGLE Normal 848 512 640 112 RECTANGLE Normal 848 992 640 592 RECTANGLE Normal 848 1440 640 1056