Version 4
SHEET 1 880 680
WIRE -32 16 -224 16
WIRE 128 16 48 16
WIRE 176 16 128 16
WIRE 304 16 256 16
WIRE -224 32 -224 16
WIRE -224 128 -224 112
WIRE 208 144 208 128
WIRE 128 160 128 16
WIRE 176 160 128 160
WIRE 304 176 304 16
WIRE 304 176 240 176
WIRE 368 176 304 176
WIRE -32 192 -224 192
WIRE 128 192 48 192
WIRE 176 192 128 192
WIRE -224 208 -224 192
WIRE 128 224 128 192
WIRE 208 224 208 208
WIRE -224 304 -224 288
WIRE 128 352 128 304
WIRE 128 384 128 352
WIRE 304 384 304 368
WIRE 416 384 416 368
WIRE 128 480 128 464
WIRE 304 480 304 464
WIRE 416 480 416 464
FLAG -224 128 0
FLAG -224 304 0
FLAG 128 480 0
FLAG 304 480 0
FLAG 416 480 0
FLAG 208 128 +V
FLAG 304 368 +V
FLAG 416 368 -V
FLAG 208 224 -V
FLAG -224 16 Ue1
FLAG -224 192 Ue2
FLAG 128 352 U3
FLAG 368 176 Ua
SYMBOL Opamps\\UniversalOpamp2 208 176 R0
SYMATTR InstName U1
SYMATTR SpiceModel level.3a
SYMBOL Misc\\EuropeanResistor 160 32 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R2
SYMATTR Value 10k
SYMBOL Misc\\EuropeanResistor -48 32 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R1
SYMATTR Value 2k
SYMBOL Misc\\EuropeanResistor -48 208 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R3
SYMATTR Value 2k
SYMBOL Misc\\EuropeanResistor 112 208 R0
SYMATTR InstName R4
SYMATTR Value 10k
SYMBOL voltage -224 16 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value SINE(1 0.5 1k 0 0 180)
SYMBOL voltage -224 192 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value SINE(1 0.5 1k 0 0 0)
SYMBOL voltage 128 368 R0
SYMATTR InstName V3
SYMATTR Value -5
SYMBOL voltage 304 368 R0
SYMATTR InstName V4
SYMATTR Value +15
SYMBOL voltage 416 368 R0
SYMATTR InstName V5
SYMATTR Value -15
TEXT -240 -152 Left 2 !.tran 0 2m 0 1u
TEXT -240 -128 Left 2 !.options plotwinsize=0
TEXT 72 -128 Left 4 ;Ua = (Ue2-Ue1)*5 +U3
RECTANGLE Normal 208 512 48 320