Version 4
SHEET 1 880 680
WIRE 256 -208 176 -208
WIRE 432 -192 320 -192
WIRE 512 -192 432 -192
WIRE 432 -176 432 -192
WIRE 512 -176 512 -192
WIRE 576 -176 512 -176
WIRE 752 -160 640 -160
WIRE 752 -144 752 -160
WIRE 256 -80 256 -176
WIRE 432 -80 432 -96
WIRE 432 -80 256 -80
WIRE 432 -48 432 -80
WIRE 576 -48 576 -144
WIRE 752 -48 752 -64
WIRE 752 -48 576 -48
WIRE 752 -16 752 -48
WIRE -64 128 -64 96
WIRE 48 128 48 96
WIRE 176 144 176 -208
WIRE 272 144 176 144
WIRE 448 160 336 160
WIRE 448 176 448 160
WIRE 48 208 -64 208
WIRE 48 224 48 208
WIRE 272 272 272 176
WIRE 448 272 448 256
WIRE 448 272 272 272
WIRE 448 304 448 272
FLAG 48 224 0
FLAG -64 96 +
FLAG 48 96 -
FLAG 304 192 +
FLAG 304 128 -
FLAG 448 384 0
FLAG 176 224 0
FLAG 288 -160 +
FLAG 288 -224 -
FLAG 432 32 0
FLAG 608 -128 +
FLAG 608 -192 -
FLAG 752 64 0
SYMBOL alte_symbole\\voltage 48 112 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value -15
SYMBOL alte_symbole\\voltage -64 112 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 15
SYMBOL res 432 160 R0
SYMATTR InstName R1
SYMATTR Value 100
SYMBOL res 432 288 R0
SYMATTR InstName R2
SYMATTR Value 1
SYMBOL Opamps\\LT1013 304 224 M180
SYMATTR InstName U1
SYMBOL alte_symbole\\voltage 176 128 R0
WINDOW 123 24 124 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value ""
SYMATTR Value2 AC 1
SYMBOL res 416 -192 R0
SYMATTR InstName R3
SYMATTR Value 10
SYMBOL res 416 -64 R0
SYMATTR InstName R4
SYMATTR Value 1
SYMBOL Opamps\\LT1013 288 -128 M180
SYMATTR InstName U2
SYMBOL res 736 -160 R0
SYMATTR InstName R5
SYMATTR Value 10
SYMBOL res 736 -32 R0
SYMATTR InstName R6
SYMATTR Value 1
SYMBOL Opamps\\LT1013 608 -96 M180
SYMATTR InstName U3
TEXT -98 408 Left 2 !.ac dec 10 1 100Meg