Version 4
SHEET 1 880 680
WIRE 416 -32 128 -32
WIRE 272 16 224 16
WIRE 352 16 272 16
WIRE 224 32 224 16
WIRE 352 32 352 16
WIRE 352 144 352 112
WIRE 416 160 416 -32
WIRE 416 160 384 160
WIRE 0 176 0 128
WIRE 0 176 -16 176
WIRE 80 176 80 128
WIRE 128 176 128 -32
WIRE 128 176 80 176
WIRE 224 176 224 112
WIRE 224 176 208 176
WIRE 320 176 224 176
WIRE 416 192 384 192
WIRE 0 224 0 176
WIRE 80 224 80 176
WIRE 352 240 352 208
WIRE 0 256 0 224
WIRE 80 336 0 336
WIRE 224 336 224 176
WIRE 224 336 160 336
WIRE 272 336 272 16
WIRE 352 336 352 320
WIRE 352 336 272 336
WIRE 0 384 0 336
WIRE 416 384 416 192
WIRE 416 384 0 384
FLAG -16 176 0
SYMBOL voltage 352 16 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL voltage 352 224 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value 12
SYMBOL voltage -16 128 R270
WINDOW 3 121 -9 VRight 0
WINDOW 123 121 -8 VRight 0
WINDOW 39 96 -9 VRight 0
WINDOW 0 23 91 VRight 0
SYMATTR Value SINE(0 325 50)
SYMATTR SpiceLine Rser=1
SYMATTR InstName V3
SYMBOL res 224 160 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R1
SYMATTR Value {R1}
SYMBOL res 96 208 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R2
SYMATTR Value 3k
SYMBOL res -16 240 R0
SYMATTR InstName R3
SYMATTR Value 100k
SYMBOL res 176 320 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R4
SYMATTR Value 500
SYMBOL res 208 16 R0
SYMATTR InstName R5
SYMATTR Value 1k
SYMBOL Opamps\\LT1013 352 240 R180
SYMATTR InstName U1
SYMBOL Opamps\\LT1013 352 240 R180
SYMATTR InstName U2
SYMBOL Opamps\\LT1013 352 240 R180
SYMATTR InstName U3
SYMBOL Opamps\\LT1013 352 240 R180
SYMATTR InstName U4
SYMBOL Opamps\\LT1013 352 240 R180
SYMATTR InstName U5
SYMBOL Opamps\\LT1013 352 240 R180
SYMATTR InstName U6
SYMBOL Opamps\\LT1013 352 240 R180
SYMATTR InstName U7
SYMBOL Opamps\\LT1013 352 240 R180
SYMATTR InstName U8
TEXT -184 296 Left 0 !.tran .1
TEXT -184 232 Left 0 !.param A 325
TEXT -200 336 Left 0 ;V3 = Stromnetz
TEXT -184 264 Left 0 !.param R1 15
TEXT -200 360 Left 0 ;R2 = Verbraucher