Version 4
SHEET 1 880 680
WIRE -80 -128 -208 -128
WIRE 160 -128 80 -128
WIRE 624 -128 496 -128
WIRE -80 -96 -80 -128
WIRE 80 -96 80 -128
WIRE 624 -96 624 -128
WIRE -208 -80 -208 -128
WIRE 160 -80 160 -128
WIRE 496 -80 496 -128
WIRE -80 16 -80 -16
WIRE 80 16 80 -16
WIRE 80 16 -80 16
WIRE 240 16 80 16
WIRE 320 16 240 16
WIRE 624 32 624 -16
WIRE 768 32 624 32
WIRE 768 48 768 32
WIRE -208 64 -208 0
WIRE 80 64 80 16
WIRE 160 64 160 -16
WIRE 240 64 240 16
WIRE 320 64 320 16
WIRE 496 64 496 0
WIRE 416 128 384 128
WIRE 624 128 624 32
WIRE 768 160 768 128
WIRE 768 160 656 160
WIRE 416 192 416 128
WIRE 416 192 384 192
WIRE 768 192 768 160
WIRE 80 304 80 272
WIRE 240 304 240 272
WIRE 624 304 624 192
WIRE 768 304 768 272
FLAG 240 304 0
FLAG 80 304 0
FLAG -208 64 0
FLAG 496 64 0
FLAG 624 304 0
FLAG 768 304 0
SYMBOL LT1431 176 160 R0
SYMATTR InstName U1
SYMBOL res -96 -112 R0
SYMATTR InstName R1
SYMATTR Value 1k
SYMBOL voltage -208 -96 R0
SYMATTR InstName V1
SYMATTR Value 10
SYMBOL cap 144 -80 R0
SYMATTR InstName C2
SYMATTR Value 0.1µ
SYMBOL res 64 -112 R0
SYMATTR InstName R2
SYMATTR Value 10k
SYMBOL res 608 -112 R0
SYMATTR InstName R3
SYMATTR Value 1k
SYMBOL voltage 496 -96 R0
SYMATTR InstName V2
SYMATTR Value 10
SYMBOL res 752 32 R0
SYMATTR InstName R4
SYMATTR Value 5k
SYMBOL res 752 176 R0
SYMATTR InstName R5
SYMATTR Value 5k
SYMBOL LT1431Z 608 128 R0
SYMATTR InstName U2
TEXT -208 -176 Left 0 !.tran 10m