Version 4
SHEET 1 2648 680
WIRE 1744 -160 496 -160
WIRE 1648 -96 1136 -96
WIRE 496 -64 496 -160
WIRE 512 -64 496 -64
WIRE 608 -64 576 -64
WIRE 1648 -48 1648 -96
WIRE 1744 -48 1744 -160
WIRE 1136 -32 1136 -96
WIRE 1152 -32 1136 -32
WIRE 1248 -32 1216 -32
WIRE 544 64 544 48
WIRE 272 80 224 80
WIRE 384 80 352 80
WIRE 496 80 496 -64
WIRE 496 80 464 80
WIRE 512 80 496 80
WIRE 1504 80 1504 32
WIRE -96 96 -96 0
WIRE 608 96 608 -64
WIRE 608 96 576 96
WIRE 672 96 608 96
WIRE 800 96 752 96
WIRE 512 112 496 112
WIRE 944 112 864 112
WIRE 1024 112 1008 112
WIRE 1136 112 1136 -32
WIRE 1136 112 1104 112
WIRE 1152 112 1136 112
WIRE 800 128 768 128
WIRE 1248 128 1248 -32
WIRE 1248 128 1216 128
WIRE 1312 128 1248 128
WIRE 1424 128 1392 128
WIRE 544 144 544 128
WIRE 1152 144 1104 144
WIRE 832 160 832 144
WIRE 1424 176 1392 176
WIRE 1648 176 1648 32
WIRE 1648 176 1600 176
WIRE 1744 176 1744 32
WIRE 1744 176 1648 176
WIRE 1824 176 1744 176
WIRE -96 224 -96 176
WIRE 496 224 496 112
WIRE 768 224 768 128
WIRE 1104 256 1104 144
WIRE 1392 256 1392 176
WIRE 1504 272 1504 224
FLAG -96 224 0
FLAG -96 0 +5V
IOPIN -96 0 Out
FLAG 224 80 0
FLAG 544 144 0
FLAG 544 48 +5V
IOPIN 544 48 Out
FLAG 832 160 0
FLAG 416 224 0
FLAG 576 224 +5V
IOPIN 576 224 Out
FLAG 688 224 0
FLAG 848 224 +5V
IOPIN 848 224 Out
FLAG 832 80 +5V
IOPIN 832 80 Out
FLAG 1024 256 0
FLAG 1184 256 +5V
IOPIN 1184 256 Out
FLAG 1184 160 0
FLAG 1184 96 +5V
IOPIN 1184 96 Out
FLAG 1504 272 0
FLAG 1392 336 0
FLAG 1504 32 0
SYMBOL voltage -96 80 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL voltage 368 80 R90
WINDOW 0 -32 56 VBottom 2
WINDOW 3 32 56 VTop 2
WINDOW 123 60 56 VTop 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value SINE(2.5 1 1k)
SYMATTR Value2 AC 1 0
SYMBOL Opamps\\LT1006 544 32 R0
SYMATTR InstName U1
SYMBOL cap 576 -80 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 820p
SYMATTR SpiceLine V=50 Irms=6.038 Rser=0.017 Lser=0
SYMBOL res 768 80 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 1k
SYMBOL Comparators\\LT1720 832 48 R0
SYMATTR InstName U2
SYMBOL res 592 208 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 10k
SYMBOL res 512 208 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 10k
SYMBOL res 864 208 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 10k
SYMBOL res 784 208 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 10k
SYMBOL Digital\\schmtinv 944 48 R0
WINDOW 3 -6 -1 Left 2
SYMATTR Value vhigh=5
SYMATTR InstName A1
SYMBOL res 1120 96 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R7
SYMATTR Value 10k
SYMBOL res 1200 240 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R8
SYMATTR Value 10k
SYMBOL res 1120 240 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R9
SYMATTR Value 10k
SYMBOL res 1408 112 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R10
SYMATTR Value 1k
SYMBOL Digital\\dflop 1504 80 R0
WINDOW 3 46 182 Left 2
SYMATTR Value vhigh=5
SYMATTR InstName A2
SYMBOL res 1632 -64 R0
SYMATTR InstName R11
SYMATTR Value 20k
SYMBOL voltage 1392 240 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value PULSE(0 5 0 1n 1n 1.25u 2.5u)
SYMBOL cap 1216 -48 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 100p
SYMATTR SpiceLine V=50 Irms=6.038 Rser=0.017 Lser=0
SYMBOL Opamps\\LT1006 1184 64 R0
SYMATTR InstName U3
SYMBOL res 1728 -64 R0
SYMATTR InstName R12
SYMATTR Value 20k
SYMBOL res 480 64 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 10k
TEXT -24 360 Left 2 !.tran 0 20ms 0 100n
TEXT -32 400 Left 2 !.options plotwinsize=0
TEXT -32 440 Left 2 !;ac dec 101 1 200MEG