Version 4
SHEET 1 1272 680
WIRE -176 -176 -256 -176
WIRE -256 -128 -256 -176
WIRE -176 -128 -176 -176
WIRE 160 -96 96 -96
WIRE 320 -96 224 -96
WIRE 480 -48 480 -96
WIRE -448 -16 -576 -16
WIRE -416 -16 -448 -16
WIRE -384 -16 -416 -16
WIRE -256 -16 -256 -64
WIRE -256 -16 -304 -16
WIRE -144 -16 -256 -16
WIRE 64 -16 -64 -16
WIRE 96 -16 96 -96
WIRE 96 -16 64 -16
WIRE 160 -16 96 -16
WIRE 320 -16 320 -96
WIRE 320 -16 240 -16
WIRE 992 -16 784 -16
WIRE -448 16 -448 -16
WIRE -256 32 -256 -16
WIRE 704 32 704 -96
WIRE 480 64 480 32
WIRE 864 96 864 64
WIRE -448 112 -448 96
WIRE 208 112 208 80
WIRE 784 112 784 -16
WIRE 832 112 784 112
WIRE 96 128 96 -16
WIRE 176 128 96 128
WIRE 992 128 992 -16
WIRE 992 128 896 128
WIRE 1040 128 992 128
WIRE 1232 128 1040 128
WIRE 320 144 320 -16
WIRE 320 144 240 144
WIRE 368 144 320 144
WIRE 560 144 368 144
WIRE 704 144 704 96
WIRE 704 144 640 144
WIRE 832 144 704 144
WIRE -448 160 -576 160
WIRE -416 160 -448 160
WIRE -384 160 -416 160
WIRE -256 160 -256 96
WIRE -256 160 -304 160
WIRE -144 160 -256 160
WIRE 0 160 -64 160
WIRE 96 160 0 160
WIRE 144 160 96 160
WIRE 176 160 144 160
WIRE 704 192 704 144
WIRE 864 192 864 160
WIRE -448 208 -448 160
WIRE 0 208 0 160
WIRE 96 208 96 160
WIRE 208 208 208 176
WIRE -256 224 -256 160
WIRE 368 240 368 208
WIRE 480 240 480 208
WIRE -448 304 -448 288
WIRE -256 320 -256 288
WIRE 0 320 0 272
WIRE 48 320 0 320
WIRE 96 320 96 288
WIRE 96 320 48 320
WIRE 48 352 48 320
WIRE 368 352 368 320
WIRE 480 352 480 320
WIRE 704 352 704 256
FLAG 48 352 0
FLAG -448 112 0
FLAG -448 304 0
FLAG 480 352 0
FLAG 368 352 0
FLAG -416 160 In_P
FLAG -416 -16 In_N
FLAG 368 144 U1_Out
FLAG 368 208 Vcc
FLAG 208 80 Vcc
FLAG 208 208 Vee
FLAG 480 208 Vee
FLAG 864 64 Vcc
FLAG 864 192 Vee
FLAG 1040 128 U2_Out
FLAG 704 352 0
FLAG 480 64 0
FLAG 480 -96 Vdd
FLAG 704 -96 Vdd
FLAG -256 320 0
FLAG -176 -128 0
FLAG 64 -16 OPV_IN_N
FLAG 144 160 OPV_IN_P
FLAG -256 -16 n001
FLAG -256 160 n003
DATAFLAG 480 144 ""
DATAFLAG -528 -16 ""
DATAFLAG -528 160 ""
DATAFLAG 96 -96 ""
DATAFLAG 16 160 ""
DATAFLAG 1168 128 ""
SYMBOL Opamps\\LT1001A 208 80 R0
WINDOW 0 -42 16 Left 2
WINDOW 3 6 16 Left 2
SYMATTR InstName U1
SYMBOL res -400 0 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R1
SYMATTR Value 2.2K
SYMBOL res -400 176 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R2
SYMATTR Value 2.2K
SYMBOL res 144 0 R270
WINDOW 0 -28 21 VTop 2
WINDOW 3 -1 89 VBottom 2
SYMATTR InstName R3
SYMATTR Value 2.2K
SYMBOL res 80 192 R0
SYMATTR InstName R4
SYMATTR Value 2.2K
SYMBOL cap 160 -80 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 60 67 VBottom 2
SYMATTR InstName C1
SYMATTR Value 1n
SYMBOL cap -16 208 R0
SYMATTR InstName C2
SYMATTR Value 1n
SYMBOL voltage -448 192 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 3 -33 200 Left 2
SYMATTR Value PULSE(0 25 1m 100n 100n 1m 2m)
SYMATTR InstName V1
SYMBOL voltage -448 0 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 3 -34 353 Left 2
SYMATTR Value PULSE(0 20 1m 100n 100n 1m 2m)
SYMATTR InstName V2
SYMBOL voltage 368 224 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value 12
SYMBOL voltage 480 336 R180
WINDOW 0 -43 102 Left 2
WINDOW 3 -39 17 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V4
SYMATTR Value 5
SYMBOL Opamps\\LT1001A 864 64 R0
WINDOW 0 -42 16 Left 2
WINDOW 3 6 16 Left 2
SYMATTR InstName U2
SYMBOL res 544 160 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R5
SYMATTR Value 22K
SYMBOL schottky 720 96 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky 720 256 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D2
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL voltage 480 -64 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V5
SYMATTR Value 3.3
SYMBOL cap -272 32 R0
SYMATTR InstName C3
SYMATTR Value 10n
SYMBOL cap -272 -128 R0
SYMATTR InstName C4
SYMATTR Value 10n
SYMBOL cap -272 224 R0
SYMATTR InstName C5
SYMATTR Value 10n
SYMBOL res -160 0 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R6
SYMATTR Value 20K
SYMBOL res -160 176 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R7
SYMATTR Value 20K
TEXT -368 416 Left 2 !;op
TEXT 272 -216 Left 2 ;Differenzverstärker
TEXT 160 312 Left 2 ;Faktor 0.1
TEXT 768 304 Left 2 ;Begrenzung -0.2 ... +3.5 V
TEXT -224 440 Left 2 !.tran 10m