Version 4
SHEET 1 880 680
WIRE 176 80 176 16
WIRE -96 128 -368 128
WIRE 112 128 -16 128
WIRE 336 144 240 144
WIRE 112 160 80 160
WIRE -96 192 -272 192
WIRE 80 192 80 160
WIRE 80 192 -16 192
WIRE 112 192 96 192
WIRE -368 208 -368 128
WIRE -272 208 -272 192
WIRE 96 224 96 192
WIRE 112 224 96 224
WIRE -368 336 -368 288
WIRE -272 336 -272 288
WIRE 144 336 144 272
FLAG 144 336 0
FLAG 176 -64 0
FLAG -368 336 0
FLAG -272 336 0
FLAG 336 224 0
SYMBOL Comparators\\LTC1444 176 80 R0
SYMATTR InstName U1
SYMBOL voltage 176 32 R180
WINDOW 0 24 96 Left 2
WINDOW 3 24 16 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL voltage -272 192 R0
WINDOW 0 24 96 Left 2
WINDOW 3 -293 -128 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value PULSE(2.5 5 0 0 0 50u 100u)
SYMBOL res -112 144 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 91 53 VBottom 2
SYMATTR InstName R1
SYMATTR Value 100
SYMBOL res -112 208 R270
WINDOW 0 -32 56 VTop 2
WINDOW 3 -41 58 VBottom 2
SYMATTR InstName R2
SYMATTR Value 100
SYMBOL voltage -368 192 R0
WINDOW 0 24 96 Left 2
WINDOW 3 -202 -93 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value PULSE(0 2.5 50u 0 0 50u 100u)
SYMBOL res 320 128 R0
SYMATTR InstName R3
SYMATTR Value 100k
TEXT -420 312 Left 2 !.tran 10m