Version 4
SHEET 1 880 680
WIRE 160 -32 -240 -32
WIRE 272 -32 160 -32
WIRE 352 -32 272 -32
WIRE 352 0 352 -32
WIRE 272 96 272 -32
WIRE 320 96 272 96
WIRE 352 112 352 80
WIRE 320 128 320 96
WIRE 352 128 352 112
WIRE -240 144 -240 -32
WIRE -240 144 -256 144
WIRE 272 144 -208 144
WIRE 432 176 400 176
WIRE 496 176 432 176
WIRE -224 192 -256 192
WIRE -208 192 -208 144
WIRE -208 192 -224 192
WIRE 256 208 240 208
WIRE 272 208 256 208
WIRE -240 240 -256 240
WIRE -208 256 -208 192
WIRE -128 256 -208 256
WIRE 16 256 -48 256
WIRE 96 256 16 256
WIRE 240 256 240 208
WIRE 240 256 176 256
WIRE 304 256 240 256
WIRE 432 256 432 176
WIRE 432 256 384 256
WIRE -240 288 -240 240
WIRE -240 320 -240 288
FLAG 496 176 AUS
IOPIN 496 176 Out
FLAG -240 320 0
FLAG 352 112 UB
FLAG 160 -32 VDD
FLAG -224 192 UREF
FLAG -240 288 VSS
FLAG 256 208 UX
FLAG 16 256 UIN
SYMBOL current 352 0 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName I1
SYMATTR Value 10µ
SYMBOL voltage -32 256 R90
WINDOW 0 -32 56 VBottom 2
WINDOW 3 32 56 VTop 2
WINDOW 123 46 56 VTop 2
WINDOW 39 0 0 Left 2
SYMATTR InstName VIN
SYMATTR Value 0
SYMATTR Value2 AC 1
SYMBOL power -320 192 M0
SYMATTR InstName POW
SYMBOL opa3 320 176 R0
SYMATTR InstName X1
SYMBOL res 400 240 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 1Meg
SYMBOL res 192 240 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 100k
TEXT -216 72 Left 2 !;dc VIN -0.225 0.235 1m
TEXT -216 0 Left 2 !.include C:/Programs/LTspiceIV/lib/sub/GFlev8.sub
TEXT -216 32 Left 2 !.ac dec 9 10 100MEG