Version 4
SHEET 1 1208 680
WIRE 368 -32 368 -48
WIRE -64 -16 -176 -16
WIRE 16 -16 -64 -16
WIRE 96 -16 16 -16
WIRE 336 -16 96 -16
WIRE 432 0 400 0
WIRE 480 0 432 0
WIRE 592 0 560 0
WIRE 640 0 592 0
WIRE 336 16 288 16
WIRE 432 32 432 0
WIRE 592 32 592 0
WIRE 16 48 -176 48
WIRE 160 48 16 48
WIRE 288 48 288 16
WIRE 288 48 240 48
WIRE 368 48 368 32
WIRE -64 80 -64 -16
WIRE 16 80 16 48
WIRE 432 112 432 96
WIRE 592 112 592 96
WIRE -176 176 -176 160
WIRE -64 176 -64 144
WIRE 16 176 16 144
WIRE 96 176 96 -16
WIRE 288 176 288 48
WIRE -176 272 -176 256
WIRE 96 272 96 256
WIRE 288 272 288 256
FLAG 368 -48 V+
IOPIN 368 -48 In
FLAG 368 48 V-
IOPIN 368 48 In
FLAG 640 0 OUT
IOPIN 640 0 Out
FLAG 288 272 V-
FLAG 96 272 V-
FLAG -176 272 V-
FLAG -176 160 V+
FLAG -176 -16 -In
IOPIN -176 -16 In
FLAG -176 48 +In
IOPIN -176 48 In
FLAG -64 176 -V
FLAG 16 176 -V
FLAG 592 112 -V
FLAG 432 112 -V
SYMBOL Opamps\\UniversalOpamp2 368 0 R0
WINDOW 123 32 174 Left 2
WINDOW 39 31 226 Left 2
WINDOW 40 33 200 Left 2
WINDOW 38 31 254 Left 2
SYMATTR Value2 Avol=10k GBW=67Meg Slew=1350Meg
SYMATTR SpiceLine ilimit=70m rail=1.4 Vos=0 phimargin=32
SYMATTR SpiceLine2 en=11n enk=300 in=0.7p ink=300 Rin=500Meg
SYMATTR InstName U1
SYMATTR SpiceModel level.3b
SYMBOL Misc\\EuropeanResistor 576 -16 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 35
SYMBOL current 96 176 R0
SYMATTR InstName I1
SYMATTR Value 0.25u
SYMBOL current 288 176 R0
SYMATTR InstName I2
SYMATTR Value 0.25u
SYMBOL voltage 144 48 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 -32 56 VBottom 2
SYMATTR InstName Voffs
SYMATTR Value {Voffs}
SYMBOL current -176 176 R0
SYMATTR InstName I3
SYMATTR Value 0.55m
SYMBOL cap -80 80 R0
SYMATTR InstName C1
SYMATTR Value 1f
SYMBOL cap 0 80 R0
SYMATTR InstName C2
SYMATTR Value 1f
SYMBOL cap 0 -16 R0
SYMATTR InstName C3
SYMATTR Value 1f
SYMBOL cap 576 32 R0
SYMATTR InstName C4
SYMATTR Value 1f
SYMBOL cap 416 32 R0
SYMATTR InstName C5
SYMATTR Value 1f
TEXT -112 -120 Left 2 !.param Voffs=0