Version 4
SHEET 1 2680 756
WIRE -1824 -416 -1920 -416
WIRE -1728 -416 -1824 -416
WIRE -1264 -416 -1728 -416
WIRE -1728 -384 -1728 -416
WIRE -1264 -384 -1264 -416
WIRE -1920 -368 -1920 -416
WIRE -1264 -272 -1264 -304
WIRE -1920 -256 -1920 -288
WIRE -1472 -240 -1648 -240
WIRE -1408 -240 -1472 -240
WIRE -1264 -240 -1264 -272
WIRE -1264 -240 -1328 -240
WIRE -1472 -176 -1472 -240
WIRE -1584 -80 -1584 -128
WIRE -1872 -64 -1920 -64
WIRE -1680 -64 -1792 -64
WIRE -1648 -64 -1648 -240
WIRE -1648 -64 -1680 -64
WIRE -1616 -64 -1648 -64
WIRE -1264 -64 -1264 -240
WIRE -1504 -48 -1552 -48
WIRE -1472 -48 -1472 -112
WIRE -1472 -48 -1504 -48
WIRE -1424 -48 -1472 -48
WIRE -1312 -48 -1344 -48
WIRE -1728 -32 -1728 -304
WIRE -1680 -32 -1728 -32
WIRE -1616 -32 -1680 -32
WIRE -1584 32 -1584 -16
WIRE -1920 48 -1920 -64
WIRE -1264 48 -1264 32
WIRE -1216 48 -1264 48
WIRE -1728 64 -1728 -32
WIRE -1264 80 -1264 48
WIRE -1920 176 -1920 128
WIRE -1728 176 -1728 144
WIRE -1264 192 -1264 160
WIRE -1840 256 -1920 256
WIRE -1760 256 -1840 256
WIRE -1920 288 -1920 256
WIRE -1760 288 -1760 256
WIRE -1920 400 -1920 368
WIRE -1760 400 -1760 368
WIRE -1872 512 -1920 512
WIRE -1920 544 -1920 512
WIRE -1920 656 -1920 624
FLAG -1728 176 0
FLAG -1264 192 0
FLAG -1920 -256 0
FLAG -1920 176 0
FLAG -1920 -64 In
FLAG -1504 -48 op
FLAG -1680 -32 in+
FLAG -1680 -64 in-
FLAG -1920 400 0
FLAG -1760 400 0
FLAG -1920 656 0
FLAG -1872 512 Vs
FLAG -1264 -272 S
FLAG -1840 256 VL
FLAG -1216 48 L
FLAG -1824 -416 Vcc
FLAG -1584 -128 Vcc
FLAG -1584 32 0
SYMBOL res -1744 -400 R0
SYMATTR InstName R3
SYMATTR Value {1k*(1+x)}
SYMBOL res -1744 48 R0
SYMATTR InstName R4
SYMATTR Value {1k*(1-x)}
SYMBOL res -1312 -256 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value {1k*(1-x)}
SYMBOL res -1280 -400 R0
SYMATTR InstName Rm
SYMATTR Value {1*(1-x)}
SYMBOL res -1280 64 R0
SYMATTR InstName RL
SYMATTR Value 1
SYMBOL res -1440 -32 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R6
SYMATTR Value 100
SYMBOL pmos -1312 32 M180
SYMATTR InstName M1
SYMATTR Value FDS4885C_P
SYMBOL res -1776 -80 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value {1k*(1+x)}
SYMBOL voltage -1920 -384 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL voltage -1920 32 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName VIN
SYMATTR Value 1
SYMBOL cap -1488 -176 R0
SYMATTR InstName C1
SYMATTR Value 200p
SYMBOL bi -1920 368 M180
WINDOW 0 24 80 Left 2
WINDOW 3 -14 -68 Left 2
SYMATTR InstName BIL
SYMATTR Value I = ( Vcc*(R4/(R3+R4))*(1 - R2/R1) + V(in)*R2/R1 ) / Rm - (Vcc*R4/(R3+R4) -V(in))/R1
SYMBOL res -1776 272 R0
SYMATTR InstName R5
SYMATTR Value 1
SYMBOL bv -1920 528 R0
WINDOW 3 20 102 Left 2
SYMATTR InstName B3
SYMATTR Value V=Vcc/2*(1+R2/R1) - V(in)*R2/R1
SYMBOL Opamps\\AD8642 -1584 -112 R0
SYMATTR InstName U1
TEXT -1920 -496 Left 2 ;.tran 500m
TEXT -1920 -536 Left 2 !.dc VIN 0 1 0.001
TEXT -1920 -624 Left 2 !.step param x list -0.01 0 0.01 ; 0.01=1%
TEXT -1920 -664 Left 2 ;Rtol +/-1% --> Itol +/-0,23A Fehler
TEXT -1920 -576 Left 2 !.param x=0
TEXT -1920 -464 Left 2 !.op
TEXT -1688 384 Left 2 !.param Vcc=12 R1=1k R2=1k R3=1k R4=1k Rm=1
TEXT -1920 -728 Left 2 ;Irl = ( Vcc*(R4/(R3+R4))*(1 - R2/R1) + V(in)*R2/R1 ) / Rm - (Vcc*R4/(R3+R4) -V(in))/R1
TEXT -1936 472 Left 2 ;I=( Vcc/2*(1 - R2/R1) + V(in)*R2/R1 ) / Rm -(Vcc/2-V(in))/R1
TEXT -1648 280 Left 4 ;Formeltest
RECTANGLE Normal -896 688 -1968 224 2