Version 4
SHEET 1 880 680
WIRE -16 160 -48 160
WIRE 96 160 48 160
WIRE 128 160 96 160
WIRE 208 160 128 160
WIRE 240 160 208 160
WIRE 96 176 96 160
WIRE 368 176 304 176
WIRE 224 192 144 192
WIRE 240 192 224 192
WIRE -48 304 -48 160
WIRE 144 304 144 192
WIRE 240 304 144 304
WIRE 368 304 368 176
WIRE 368 304 320 304
WIRE 144 336 144 304
WIRE 224 368 224 192
WIRE 352 368 224 368
WIRE 208 448 208 160
WIRE 352 448 352 368
WIRE 144 464 144 416
WIRE 144 544 144 528
WIRE 208 544 208 528
WIRE 352 544 352 528
FLAG -320 224 0
FLAG -240 224 0
FLAG -320 144 +15V
FLAG -240 144 -15V
FLAG 144 544 0
FLAG 96 256 0
FLAG 368 176 out
FLAG -48 384 0
FLAG 128 160 indc
FLAG -48 160 inac
FLAG 272 144 -15V
FLAG 272 208 +15V
FLAG 208 544 0
FLAG 352 544 0
SYMBOL Opamps\\UniversalOpamp2 272 176 M180
WINDOW 0 16 -32 Invisible 0
SYMATTR InstName U1
SYMATTR Value2 Avol=1e5 GBW=1e6 Slew=0.5e6
SYMATTR SpiceLine ilimit=25m rail=0 Vos=1m phimargin=45
SYMATTR SpiceLine2 en=0 enk=0 in=0 ink=0 Rin=500K
SYMBOL voltage -320 128 R0
WINDOW 0 24 16 Invisible 0
WINDOW 3 -29 58 Left 0
SYMATTR InstName V1
SYMATTR Value +15V
SYMBOL voltage -240 128 R0
WINDOW 0 24 16 Invisible 0
WINDOW 3 -27 59 Left 0
SYMATTR InstName V2
SYMATTR Value -15V
SYMBOL res 336 288 R90
WINDOW 0 0 56 Invisible 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R1
SYMATTR Value 10K
SYMBOL res 160 432 R180
WINDOW 0 36 76 Invisible 0
WINDOW 3 41 57 Left 0
SYMATTR InstName R2
SYMATTR Value 100
SYMBOL cap 128 464 R0
WINDOW 0 24 8 Invisible 0
WINDOW 3 -65 34 Left 0
SYMATTR InstName C1
SYMATTR Value 10µF
SYMBOL res 80 160 R0
WINDOW 0 36 40 Invisible 0
SYMATTR InstName R3
SYMATTR Value 1Meg
SYMBOL cap 48 144 R90
WINDOW 0 0 32 Invisible 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C2
SYMATTR Value 0.1µF
SYMBOL voltage -48 288 R0
WINDOW 0 24 16 Invisible 0
WINDOW 3 -144 135 Left 0
WINDOW 123 -141 204 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value SINE(0 0.1 440)
SYMATTR Value2 AC 1V
SYMBOL current 352 528 M180
WINDOW 0 24 88 Left 0
WINDOW 3 23 2 Left 0
SYMATTR InstName Ib-Ios/2
SYMATTR Value 75nA
SYMBOL current 208 528 M180
WINDOW 0 24 88 Left 0
WINDOW 3 24 0 Left 0
SYMATTR InstName Ib+Ios/2
SYMATTR Value 85nA
TEXT -192 464 Left 0 !.ac dec 10 0.1Hz 1kHz