Version 4
SHEET 1 1052 680
WIRE 720 -80 304 -80
WIRE 864 -80 720 -80
WIRE 384 16 224 16
WIRE 224 32 224 16
WIRE 720 48 720 -80
WIRE 176 80 144 80
WIRE 384 80 384 16
WIRE 304 176 304 -80
WIRE 864 176 864 -80
WIRE 144 192 144 80
WIRE 272 192 144 192
WIRE 384 208 384 160
WIRE 384 208 336 208
WIRE 416 208 384 208
WIRE 528 208 496 208
WIRE 576 208 528 208
WIRE 720 208 720 128
WIRE 720 208 656 208
WIRE 272 224 240 224
WIRE 240 320 240 224
WIRE 528 320 528 208
WIRE 528 320 240 320
WIRE 720 320 720 208
WIRE 720 320 656 320
WIRE 144 336 144 192
WIRE 720 352 720 320
WIRE 384 368 384 208
WIRE 656 368 656 320
WIRE 144 480 144 384
WIRE 304 480 304 240
WIRE 304 480 144 480
WIRE 384 480 384 432
WIRE 384 480 304 480
WIRE 656 480 656 416
WIRE 656 480 384 480
WIRE 720 480 720 432
WIRE 720 480 656 480
WIRE 864 480 864 256
WIRE 864 480 720 480
WIRE 864 528 864 480
FLAG 864 528 0
SYMBOL cap2 176 336 R0
SYMATTR InstName C1
SYMATTR Value 100µ
SYMBOL cap2 688 368 R0
WINDOW 0 -96 14 Left 0
WINDOW 3 -102 44 Left 0
SYMATTR InstName C2
SYMATTR Value 4.7µ
SYMBOL res3 704 336 R0
SYMATTR InstName R5
SYMATTR Value 4.7k
SYMBOL res3 704 32 R0
SYMATTR InstName R4
SYMATTR Value 4.7k
SYMBOL Misc\\battery 864 160 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName B1
SYMATTR Value 9V
SYMBOL Opamps\\opamp2 304 144 R0
WINDOW 3 -133 1 Left 0
SYMATTR Value LM741/NS
SYMATTR InstName U1
SYMBOL res3 400 176 R180
WINDOW 0 31 76 Left 0
WINDOW 3 31 40 Left 0
SYMATTR InstName R1
SYMATTR Value 1k
SYMBOL res3 512 192 R90
WINDOW 0 5 56 VBottom 0
WINDOW 3 27 56 VTop 0
SYMATTR InstName R2
SYMATTR Value 47k
SYMBOL res3 672 192 R90
WINDOW 0 5 56 VBottom 0
WINDOW 3 27 56 VTop 0
SYMATTR InstName R3
SYMATTR Value 47k
SYMBOL potentiometer2 160 96 R270
WINDOW 3 118 -101 VRight 0
SYMATTR Value Rtot=100K wiper=.01
SYMATTR InstName U2
TEXT 304 544 Left 0 !.tran 30
TEXT 432 544 Left 0 !.include LM741.MOD
TEXT 432 592 Left 0 !.include potentiometer.sub
TEXT 344 400 Left 0 ;Output