Version 4 SHEET 1 1036 680 WIRE -464 112 -464 48 WIRE -464 336 -464 192 WIRE -464 416 -464 336 WIRE -464 608 -464 496 WIRE -416 336 -464 336 WIRE -416 592 -416 336 WIRE -384 48 -464 48 WIRE -384 432 -384 48 WIRE -368 480 -368 464 WIRE -368 592 -416 592 WIRE -368 592 -368 560 WIRE -352 464 -368 464 WIRE -320 192 -320 160 WIRE -320 336 -416 336 WIRE -320 336 -320 272 WIRE -288 432 -384 432 WIRE -288 592 -368 592 WIRE -288 592 -288 480 WIRE -256 160 -320 160 WIRE -256 240 -256 160 WIRE -256 400 -256 320 WIRE -192 560 -192 528 WIRE -176 208 -176 192 WIRE -176 336 -320 336 WIRE -176 336 -176 288 WIRE -144 272 -144 224 WIRE -144 432 -224 432 WIRE -144 432 -144 272 WIRE -144 528 -192 528 WIRE -144 528 -144 432 WIRE -144 608 -464 608 WIRE -144 608 -144 528 WIRE -112 160 -256 160 WIRE -112 608 -112 160 WIRE -96 160 -112 160 WIRE -96 192 -176 192 WIRE -96 224 -144 224 WIRE -48 432 -144 432 WIRE -48 608 -112 608 WIRE -16 336 -32 336 WIRE -16 400 -16 336 WIRE 0 336 -16 336 WIRE 112 224 96 224 WIRE 112 336 80 336 WIRE 112 336 112 224 WIRE 112 608 32 608 WIRE 112 608 112 560 WIRE 144 48 -384 48 WIRE 144 160 96 160 WIRE 144 160 144 48 WIRE 144 432 16 432 WIRE 144 432 144 160 WIRE 176 192 96 192 WIRE 176 192 176 128 WIRE 192 480 -288 480 WIRE 192 480 192 224 WIRE 224 192 176 192 WIRE 224 224 192 224 WIRE 240 496 240 320 WIRE 256 48 144 48 WIRE 256 176 256 48 WIRE 256 272 -144 272 WIRE 256 272 256 240 WIRE 304 128 240 128 WIRE 304 208 288 208 WIRE 304 208 304 128 WIRE 304 320 240 320 WIRE 304 320 304 208 WIRE 304 368 304 320 WIRE 304 608 112 608 WIRE 304 608 304 480 FLAG 240 496 Tri IOPIN 240 496 Out FLAG 112 560 Pul IOPIN 112 560 Out FLAG -32 336 Vc IOPIN -32 336 In FLAG -352 464 Vc IOPIN -352 464 Out FLAG -192 560 0 SYMBOL 3080 0 176 R0 WINDOW 38 -53 -45 Left 0 WINDOW 0 -24 16 Left 0 SYMATTR SpiceModel LM3080/NS SYMATTR InstName U1 SYMBOL res -336 176 R0 WINDOW 0 -30 30 Left 0 WINDOW 3 -39 63 Left 0 SYMATTR InstName R1 SYMATTR Value 3K3 SYMATTR SpiceLine tol=1 pwr=0.1 SYMBOL res -272 224 R0 WINDOW 0 -33 37 Left 0 WINDOW 3 -38 66 Left 0 SYMATTR InstName R3 SYMATTR Value 1E7 SYMATTR SpiceLine tol=1 pwr=0.1 SYMBOL res -192 192 R0 WINDOW 0 -31 30 Left 0 WINDOW 3 -34 65 Left 0 SYMATTR InstName R4 SYMATTR Value 3K3 SYMATTR SpiceLine tol=1 pwr=0.1 SYMBOL cap 240 112 R90 WINDOW 0 -30 30 VBottom 0 WINDOW 3 -32 28 VTop 0 SYMATTR InstName C1 SYMATTR Value 100p SYMBOL voltage -464 96 R0 WINDOW 0 9 10 Left 0 WINDOW 3 -16 57 Left 0 WINDOW 123 0 0 Left 0 WINDOW 39 -44 -5 VRight 0 SYMATTR InstName V1 SYMATTR Value 7.5 SYMATTR SpiceLine Rser=1 Cpar=100n SYMBOL voltage -464 400 R0 WINDOW 0 6 8 Left 0 WINDOW 3 -16 57 Left 0 WINDOW 123 0 0 Left 0 WINDOW 39 -45 -4 VRight 0 SYMATTR InstName V2 SYMATTR Value 7.5 SYMATTR SpiceLine Rser=1 Cpar=100n SYMBOL res 48 592 R90 WINDOW 0 16 112 VBottom 0 WINDOW 3 -12 -19 VTop 0 SYMATTR InstName R7 SYMATTR Value 270K SYMATTR SpiceLine tol=1 pwr=0.1 SYMBOL res 96 320 R90 WINDOW 0 -10 83 VBottom 0 WINDOW 3 -37 34 VTop 0 SYMATTR InstName R8 SYMATTR Value 4K7 SYMATTR SpiceLine tol=1 pwr=0.1 SYMBOL voltage -368 464 R0 WINDOW 0 4 106 Left 0 WINDOW 3 -16 57 Invisible 0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V4 SYMATTR Value PWL(0 -7.5 1 -7.5 1.001 -6.75 2.1 -6.75 2.101 -6.7 3 -6.7 3.001 -6.65 3.1 -6.65 3.5 -6.65 3.501 -6.6 3.75 -6.6 3.751 -6.5 3.8 -6.5 3.8001 -6.4 3.81 -6.4 3.8101 -6.3 3.814 -6.3 3.8141 -6.2) SYMBOL Dig_Add\\CD4xxx\\CD40106B 352 416 R90 WINDOW 3 -82 82 Left 0 WINDOW 0 48 81 Left 0 SYMATTR InstName U3 SYMATTR SpiceLine VDD=15 SPEED=1.0 TRIPDT=5e-9 SYMBOL OPAMP5 256 144 R0 WINDOW 0 -26 65 Left 0 WINDOW 38 -74 17 Left 0 SYMATTR InstName U2 SYMATTR SpiceModel TL062 SYMBOL Robertugo\\pote -192 416 R90 WINDOW 0 50 31 VRight 0 WINDOW 3 1 -44 VRight 0 WINDOW 123 1 126 VCenter 0 SYMATTR InstName Simet SYMATTR Value Rt=1e5 SYMBOL Robertugo\\pote 48 416 R90 WINDOW 0 47 37 VRight 0 WINDOW 3 3 -42 VRight 0 WINDOW 123 3 120 VCenter 0 SYMATTR InstName Freq SYMATTR Value Rt=1e7 TEXT -378 70 Left 0 !.tran 0 3.815 20u startup TEXT -80 72 Left 0 !.option noopiter