Version 4
SHEET 1 944 680
WIRE 64 144 64 112
WIRE 32 160 -112 160
WIRE -112 176 -112 160
WIRE 176 176 96 176
WIRE 272 176 176 176
WIRE 32 192 0 192
WIRE 0 224 0 192
WIRE 176 224 176 176
WIRE 176 224 0 224
WIRE 64 240 64 208
WIRE 176 272 176 224
WIRE 272 272 272 176
WIRE -112 320 -112 256
WIRE 384 320 384 304
WIRE 464 320 464 304
WIRE 592 320 592 304
WIRE 176 416 176 352
WIRE 272 416 272 352
WIRE 384 432 384 400
WIRE 464 432 464 400
WIRE 592 432 592 400
FLAG 64 240 +V
FLAG 64 112 -V
FLAG 592 432 0
FLAG 592 304 +V
FLAG 464 432 0
FLAG 464 304 -V
FLAG -112 320 0
FLAG 176 416 0
FLAG 384 432 0
FLAG 272 416 0
FLAG 384 304 -V
SYMBOL opamps\\LT1115 64 240 M180
WINDOW 0 8 96 Left 2
WINDOW 3 13 28 Left 2
SYMATTR InstName U1
SYMBOL voltage 592 304 R0
WINDOW 123 0 0 Left 2
WINDOW 39 24 124 Left 2
SYMATTR InstName V1
SYMATTR Value 18
SYMBOL voltage 464 416 R180
WINDOW 123 0 0 Left 2
WINDOW 39 -29 170 Left 2
WINDOW 0 -54 96 Left 2
WINDOW 3 -57 18 Left 2
SYMATTR InstName V2
SYMATTR Value 18
SYMBOL res 160 256 R0
SYMATTR InstName R1
SYMATTR Value 1K
SYMBOL voltage -112 160 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 3 20 129 Left 2
SYMATTR InstName V3
SYMATTR Value SINE(0 {u} 10)
SYMBOL current 272 272 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName I1
SYMATTR Value {I}
SYMBOL current 384 400 R180
WINDOW 0 24 80 Left 2
WINDOW 3 24 0 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName I2
SYMATTR Value {I}
TEXT -144 496 Left 2 !.tran 0 1 0.8
TEXT 16 496 Left 2 !.param I 4m
TEXT 16 528 Left 2 !.step param u list 1 2 3 4
TEXT 328 128 Left 2 ;Eintakt-A bis 1mA bei 4mA von der Stromquelle
TEXT 328 160 Left 2 ;Für Eintakt-A Betrieb gilt etwa: I=3mA+I(R1)s