Version 4
SHEET 1 880 680
WIRE 464 -48 464 -64
WIRE 576 32 576 16
WIRE 192 48 144 48
WIRE 272 48 192 48
WIRE 336 48 272 48
WIRE 464 48 464 32
WIRE 464 48 416 48
WIRE 496 48 464 48
WIRE 544 48 496 48
WIRE 272 64 272 48
WIRE 672 64 608 64
WIRE 704 64 672 64
WIRE 544 80 512 80
WIRE 32 112 32 80
WIRE 144 112 144 48
WIRE 576 112 576 96
WIRE 272 160 272 144
WIRE 336 160 272 160
WIRE 480 160 416 160
WIRE 512 160 512 80
WIRE 512 160 480 160
WIRE 272 176 272 160
WIRE 32 208 32 192
WIRE 512 208 512 160
WIRE 560 208 512 208
WIRE 672 208 672 64
WIRE 672 208 640 208
WIRE 144 272 144 192
WIRE 272 272 272 256
WIRE 272 272 144 272
WIRE 144 288 144 272
FLAG 144 288 0
FLAG 32 208 0
FLAG 32 80 Vdd
FLAG 576 112 Vdd
FLAG 464 -64 0
FLAG 704 64 Vout
FLAG 576 16 0
FLAG 496 48 p
FLAG 480 160 n
FLAG 192 48 v1
SYMBOL voltage 144 96 R0
WINDOW 3 22 91 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value 10
SYMATTR InstName V1
SYMBOL res 256 48 R0
SYMATTR InstName R1
SYMATTR Value 1k
SYMBOL res 256 160 R0
SYMATTR InstName R2
SYMATTR Value 9k
SYMBOL voltage 32 96 R0
SYMATTR InstName V2
SYMATTR Value 12
SYMBOL res 656 192 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 5k
SYMBOL res 432 144 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 1k
SYMBOL res 432 32 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R7
SYMATTR Value 1k
SYMBOL res 448 -64 R0
SYMATTR InstName R8
SYMATTR Value 5k
SYMBOL Opamps\\opamp2 576 128 M180
SYMATTR InstName U1
SYMATTR Value uA741
TEXT 16 376 Left 2 !.tran 1m
TEXT 16 408 Left 2 !.inc uA741_ST.lib