Version 4 SHEET 1 2020 1976 WIRE -1248 448 -1296 448 WIRE -1120 448 -1184 448 WIRE -2064 528 -2144 528 WIRE -1888 528 -2064 528 WIRE -1696 528 -1824 528 WIRE -1568 528 -1616 528 WIRE -1456 528 -1488 528 WIRE -1296 544 -1296 448 WIRE -1296 544 -1360 544 WIRE -1248 544 -1296 544 WIRE -1120 544 -1120 448 WIRE -1120 544 -1168 544 WIRE -1072 544 -1120 544 WIRE -2064 560 -2064 528 WIRE -1456 608 -1456 528 WIRE -1360 608 -1360 544 WIRE -1072 608 -1072 544 WIRE -1024 608 -1024 560 WIRE -1024 608 -1072 608 WIRE -896 608 -1024 608 WIRE -752 608 -816 608 WIRE -576 608 -576 560 WIRE -576 608 -640 608 WIRE -496 608 -576 608 WIRE -256 608 -384 608 WIRE -1072 640 -1072 608 WIRE -2064 704 -2064 640 WIRE -1360 720 -1360 688 WIRE -1072 720 -1072 704 WIRE -1072 720 -1360 720 WIRE -1360 784 -1360 720 WIRE -1456 816 -1456 688 WIRE -1568 992 -1568 960 WIRE -1024 992 -1040 992 WIRE -1040 1024 -1040 992 WIRE -1040 1024 -1104 1024 WIRE -1312 1072 -1312 992 WIRE -1264 1072 -1312 1072 WIRE -1056 1072 -1088 1072 WIRE -1632 1120 -1680 1120 WIRE -1568 1120 -1568 1072 WIRE -1568 1120 -1632 1120 WIRE -1408 1120 -1568 1120 WIRE -1680 1168 -1680 1120 WIRE -1568 1168 -1568 1120 WIRE -1728 1184 -1744 1184 WIRE -1184 1216 -1184 1120 WIRE -1184 1216 -1312 1216 WIRE -1728 1232 -1744 1232 WIRE -1408 1232 -1408 1120 WIRE -1376 1232 -1408 1232 WIRE -1680 1296 -1680 1248 WIRE -1568 1296 -1568 1232 FLAG -2064 704 0 FLAG -1456 816 0 FLAG -1360 784 0 FLAG -256 608 out_norm FLAG -1568 1296 0 FLAG -1568 960 0 FLAG -1680 1296 0 FLAG -1744 1184 0 FLAG -1744 1232 _mf_out FLAG -1632 1120 ctime FLAG -1024 992 mf_out IOPIN -1024 992 Out FLAG -1056 1072 _mf_out FLAG -1312 992 out_norm IOPIN -1312 992 In FLAG -1024 560 in_schmidt FLAG -2144 528 in FLAG -576 560 ou_schmidt SYMBOL voltage -2064 544 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 WINDOW 3 -417 100 Left 0 SYMATTR InstName V5 SYMATTR Value PULSE(0 15 0 10n 10n {per/2} {per}) SYMBOL ind2 -1472 592 R0 SYMATTR InstName L4 SYMATTR Value 10m SYMATTR Type ind SYMBOL ind2 -1376 592 R0 SYMATTR InstName L5 SYMATTR Value 10m SYMATTR Type ind SYMBOL zener -1056 704 R180 WINDOW 0 56 44 Left 0 WINDOW 3 24 0 Left 0 SYMATTR InstName D2 SYMATTR Value BZX84C15L SYMATTR Description Diode SYMATTR Type diode SYMBOL ind -1472 512 R90 WINDOW 0 5 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName L6 SYMATTR Value 250µ SYMBOL res -1600 512 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R6 SYMATTR Value 1k SYMBOL cap -1824 512 R90 WINDOW 0 -12 37 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C4 SYMATTR Value 220n SYMBOL res -800 592 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R10 SYMATTR Value 1k SYMBOL res -1152 528 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R5 SYMATTR Value {rx} SYMBOL Dig_Add\\CD4xxx\\cd40106b -704 560 R0 SYMATTR InstName U1 SYMATTR SpiceLine VDD=15 SPEED=1.0 TRIPDT=5e-9 SYMBOL Dig_Add\\CD4xxx\\cd40106b -448 560 R0 SYMATTR InstName U2 SYMATTR SpiceLine VDD=15 SPEED=1.0 TRIPDT=5e-9 SYMBOL cap -1584 1168 R0 SYMATTR InstName C1 SYMATTR Value {CTIME*1m} SYMBOL current -1568 992 R0 SYMATTR InstName I1 SYMATTR Value 1m SYMBOL sw -1680 1152 R0 SYMATTR InstName S1 SYMATTR Value SW1 SYMBOL Digital\\dflop -1184 976 R0 WINDOW 39 -87 172 Left 0 SYMATTR SpiceLine Ref=0.5 Vhigh=15 SYMATTR InstName A1 SYMATTR Value2 trise=5n tripdt=1n SYMBOL Digital\\schmitt -1376 1168 R0 WINDOW 123 -3 118 Left 0 SYMATTR Value2 vt=1 vh=0.01 SYMATTR InstName A2 SYMBOL cap -1184 432 R90 WINDOW 0 -12 37 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C2 SYMATTR Value 3n2 TEXT -1640 104 Left 0 !.options plotwinsize=0 TEXT -1640 144 Left 0 !.include CD4049UB.sub TEXT -1456 472 Left 0 !K1 l4 l5 0.99 TEXT -1296 264 Left 0 !.step param per list 1m 10u\n.step param rx list 1k 4k7 12k TEXT -2024 808 Left 0 !.tran 2m TEXT -1808 1344 Left 0 !.model sw1 sw(Ron=1 Roff=1G Vt=0.5) TEXT -1872 952 Left 0 !.param CTIME=2.5u