Version 4
SHEET 1 880 680
WIRE 64 -128 -16 -128
WIRE 224 -128 64 -128
WIRE 64 -112 64 -128
WIRE 64 -16 64 -32
WIRE 144 -16 64 -16
WIRE 64 0 64 -16
WIRE 224 80 224 -128
WIRE 64 96 64 80
WIRE 144 112 144 -16
WIRE 192 112 144 112
WIRE 384 112 272 112
WIRE 496 112 464 112
WIRE 192 144 -224 144
WIRE 224 192 224 176
WIRE 240 192 240 176
WIRE 240 192 224 192
WIRE -224 208 -224 144
WIRE -16 208 -16 -128
WIRE 208 208 208 176
WIRE 384 208 208 208
WIRE -16 304 -16 288
WIRE 384 304 384 288
WIRE -224 336 -224 288
WIRE -16 384 -16 368
WIRE 240 384 240 192
WIRE 240 384 -16 384
WIRE 384 384 384 368
WIRE 384 384 240 384
WIRE 240 400 240 384
FLAG 240 400 0
FLAG -224 336 0
FLAG 64 96 0
SYMBOL Comparators\\LT1016 224 64 R0
WINDOW 0 20 23 Left 2
SYMATTR InstName COMP
SYMBOL voltage -16 192 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 0 -115 8 Left 2
WINDOW 3 -58 67 Left 2
SYMATTR InstName +SUPPLY
SYMATTR Value 5
SYMBOL voltage -224 192 R0
WINDOW 3 -357 109 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 0 -108 8 Left 2
SYMATTR Value SINE(0.2 0.2 80000000)
SYMATTR InstName PULSE
SYMBOL res 480 96 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName Rt
SYMATTR Value 50
SYMBOL cap -32 304 R0
WINDOW 0 25 6 Left 2
WINDOW 3 23 59 Left 2
SYMATTR InstName C1
SYMATTR Value 0.1µ
SYMBOL res 48 -128 R0
SYMATTR InstName R1
SYMATTR Value 4.9k
SYMBOL res 48 -16 R0
SYMATTR InstName R2
SYMATTR Value 220
SYMBOL voltage 384 304 R180
WINDOW 0 -115 98 Left 2
WINDOW 3 -51 44 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName -SUPPLY
SYMATTR Value 5
SYMBOL cap 400 368 R180
WINDOW 0 24 56 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C2
SYMATTR Value 0.1µ
TEXT 512 112 Left 2 ;OUT
TEXT -272 48 Left 2 !.tran 0 200n 150n uic
TEXT 152 -8 Left 2 ;Vreff
TEXT 104 168 Left 2 ;IN