Version 4
SHEET 1 1640 680
WIRE 208 -704 48 -704
WIRE 304 -704 288 -704
WIRE 48 -624 48 -704
WIRE 112 -624 48 -624
WIRE 304 -624 304 -704
WIRE 304 -624 176 -624
WIRE -96 -432 -288 -432
WIRE 48 -432 48 -624
WIRE 48 -432 -16 -432
WIRE 112 -432 48 -432
WIRE 304 -416 304 -624
WIRE 304 -416 176 -416
WIRE 480 -416 304 -416
WIRE 208 -288 48 -288
WIRE 304 -288 288 -288
WIRE 48 -208 48 -288
WIRE 112 -208 48 -208
WIRE 304 -208 304 -288
WIRE 304 -208 176 -208
WIRE 1200 -128 1200 -192
WIRE 1376 -128 1200 -128
WIRE 1376 -96 1376 -128
WIRE -288 -48 -288 -432
WIRE -288 -48 -480 -48
WIRE -96 -48 -288 -48
WIRE 48 -48 48 -208
WIRE 48 -48 -16 -48
WIRE 112 -48 48 -48
WIRE 304 -32 304 -208
WIRE 304 -32 176 -32
WIRE 480 -32 304 -32
FLAG 1376 -96 0
FLAG 1200 -272 +5V
IOPIN 1200 -272 Out
FLAG 112 -400 0
FLAG 112 -16 0
FLAG 144 -448 +5V
IOPIN 144 -448 In
FLAG 144 -64 +5V
IOPIN 144 -64 In
FLAG 144 0 0
FLAG 144 -384 0
FLAG -560 -48 0
SYMBOL Opamps\\AD8572 144 -480 R0
SYMATTR InstName U2
SYMBOL res 0 -448 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 10k
SYMBOL res 0 -64 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 10k
SYMBOL cap 176 -640 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 10µ
SYMBOL cap 176 -224 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 10µ
SYMBOL voltage 1200 -288 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL voltage -464 -48 R90
WINDOW 3 -67 47 VRight 2
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V5
SYMATTR Value PWL(0 0 1m 0.2 2m 0.6 3m 0.6 5m 0 20m 0 21m 0.2 22m 0.8 23m 0.4 24m 0.2 25m 0)
SYMBOL res 304 -304 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R8
SYMATTR Value 10k
SYMBOL res 304 -720 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R9
SYMATTR Value 10k
SYMBOL Opamps\\AD8574 144 -96 R0
SYMATTR InstName U1
TEXT 754 -136 Left 2 !.tran 25m startup uic