Version 4
SHEET 1 1156 2252
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FLAG -2288 -1488 0
FLAG -2288 -1616 V1
FLAG -2464 -1680 0
FLAG -2288 -2048 0
FLAG -2288 -2112 V1
FLAG -2592 -2096 15
IOPIN -2592 -2096 In
FLAG -1712 -2064 nf
FLAG -1776 -1904 0
FLAG -1936 -2160 VCOinB
IOPIN -1936 -2160 Out
FLAG -2096 -2160 0
FLAG -1696 -1760 COMP
IOPIN -1696 -1760 Out
FLAG -2464 -1856 SIG1
IOPIN -2464 -1856 Out
FLAG -2304 -528 V1
FLAG -2080 -384 R
FLAG -2080 -528 S
FLAG -2208 -464 0
FLAG -2432 -448 SIG1
IOPIN -2432 -448 In
FLAG -2432 -304 COMP
IOPIN -2432 -304 In
FLAG -1808 -992 SIG1
IOPIN -1808 -992 In
FLAG -1808 -944 COMP
IOPIN -1808 -944 In
FLAG -1472 -400 0
FLAG -1680 -528 SIG1
IOPIN -1680 -528 In
FLAG -1664 -368 COMP
IOPIN -1664 -368 In
FLAG -912 -512 SIG1
IOPIN -912 -512 In
FLAG -912 -368 COMP
IOPIN -912 -368 In
FLAG -432 -1344 15
IOPIN -432 -1344 Out
FLAG -2352 -1984 V2
FLAG -1952 -1376 SIG1
IOPIN -1952 -1376 In
FLAG -1920 -1280 COMP
IOPIN -1920 -1280 In
SYMBOL voltage -2288 -1600 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value 7
SYMBOL Misc\\signal -2464 -1808 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V6
SYMATTR Value PULSE(0 +5 0 20n 20n 14u 28u)
SYMBOL res -2448 -2112 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R6
SYMATTR Value 9.5k
SYMBOL Opamps\\LT1006 -2288 -2144 R0
SYMATTR InstName U6
SYMBOL res -2256 -2208 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R7
SYMATTR Value 3.2k
SYMBOL cap -2288 -2288 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C3
SYMATTR Value 5.2n
SYMBOL SpecialFunctions\\modulate -1616 -2064 R0
WINDOW 3 16 -20 Left 0
SYMATTR Value mark={fmax} space={fmin}
SYMATTR InstName A10
SYMBOL Digital\\buf1 -1408 -2192 R0
WINDOW 3 -24 -6 Left 0
SYMATTR Value ref=0 Vhigh={vcc1} vlow=0
SYMATTR InstName A11
SYMATTR Value2 td={tdel1} tripdt={tripdt1}
SYMBOL bv -1776 -2016 R0
WINDOW 3 31 120 Left 0
SYMATTR Value V=Table(V(VCOinB), 0,0, 0.9, 0, {vcc1-0.9}, 1)
SYMATTR InstName B2
SYMBOL res -1200 -2112 M270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R9
SYMATTR Value 100
SYMBOL res -1968 -2144 M270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R10
SYMATTR Value 100k
SYMBOL cap -2256 -2176 R270
WINDOW 0 32 32 VTop 0
WINDOW 3 0 32 VBottom 0
SYMATTR InstName 2n
SYMATTR Value 51n
SYMBOL Digital\\buf1 -1280 -1824 M0
WINDOW 3 -24 -6 Invisible 0
WINDOW 123 40 37 Left 0
SYMATTR Value ref=2.5 Vhigh={vcc1} vlow=0
SYMATTR InstName A12
SYMBOL Digital\\srflop -1472 -1024 R0
WINDOW 3 -40 28 Invisible 0
WINDOW 0 -20 66 Left 0
SYMATTR Value vhigh=5 td=30n
SYMATTR InstName A1
SYMBOL Digital\\inv -1600 -1040 R0
WINDOW 3 8 60 Invisible 0
SYMATTR Value ref=1.5 vhigh=5 td={tdp}
SYMATTR InstName A5
SYMBOL Digital\\srflop -1152 -1024 R0
WINDOW 3 -40 28 Invisible 0
SYMATTR Value vhigh=5 td=50n
SYMATTR InstName A2
SYMBOL Digital\\inv -1600 -992 R0
WINDOW 3 8 60 Invisible 0
SYMATTR Value vhigh=5 td={tdp}
SYMATTR InstName A3
SYMBOL Digital\\inv -1280 -992 R0
WINDOW 3 8 60 Invisible 0
WINDOW 0 12 100 Left 0
SYMATTR Value ref=1.5 vhigh=5 td={tdp}
SYMATTR InstName A4
SYMBOL Digital\\inv -1280 -1040 R0
WINDOW 3 8 60 Invisible 0
SYMATTR Value ref=1.5 vhigh=5 td=50n
SYMATTR InstName A6
SYMBOL Digital\\srflop -2000 -544 R0
WINDOW 3 -40 152 Invisible 0
SYMATTR Value Vhigh=6 ref=3
SYMATTR InstName A9
SYMATTR Value2 Td={td1}
SYMBOL Digital\\dflop -2208 -400 M180
WINDOW 3 8 168 Invisible 0
WINDOW 0 8 -16 Invisible 0
SYMATTR Value Vhigh={Vhigh1} ref=0.1
SYMATTR InstName A13
SYMATTR Value2 Td={td1}
SYMBOL Digital\\dflop -2208 -400 R0
WINDOW 3 8 168 Invisible 0
WINDOW 0 8 -16 Invisible 0
SYMATTR Value Vhigh={Vhigh1} ref=0.1
SYMATTR InstName A14
SYMATTR Value2 Td={td1}
SYMBOL Digital\\inv -2384 -512 R0
WINDOW 3 8 104 Invisible 0
SYMATTR Value Vhigh={Vhigh1} ref={ref1}
SYMATTR InstName A15
SYMBOL Digital\\inv -2368 -368 R0
WINDOW 3 8 104 Invisible 0
SYMATTR Value Vhigh={Vhigh1} ref={ref1}
SYMATTR InstName A16
SYMATTR Value2 Td={60*td1}
SYMBOL EXTRA\\CD4000\\CD4013B -1360 -560 R0
SYMATTR InstName U9
SYMATTR SpiceLine VDD=5  SPEED=1  TRIPDT=5e-9
SYMBOL EXTRA\\CD4000\\CD4073B -1280 -672 R90
SYMATTR InstName U12
SYMBOL EXTRA\\CD4000\\CD4073B -1440 -208 R270
SYMATTR InstName U13
SYMBOL Digital\\inv -1584 -544 R0
WINDOW 3 0 0 Invisible 0
SYMATTR Value vhigh=5 td={tdp}
SYMATTR InstName A18
SYMBOL Digital\\inv -1584 -464 R0
WINDOW 3 8 60 Invisible 0
SYMATTR Value vhigh=5 td={tdp}
SYMATTR InstName A19
SYMBOL Digital\\srflop -528 -528 R0
SYMATTR InstName A7
SYMATTR Value2 vlow=-1 vhigh=4.5 td=10n
SYMBOL Digital\\and -720 -560 R0
SYMATTR InstName A8
SYMATTR Value2 vhigh=5 td=10n
SYMBOL Digital\\and -720 -448 R0
SYMATTR InstName A17
SYMATTR Value2 vhigh=5 td=10n
SYMBOL Digital\\inv -848 -464 R0
WINDOW 3 0 0 Invisible 0
SYMATTR Value vhigh=5 td={tdp}
SYMATTR InstName A21
SYMBOL Digital\\buf1 -1184 -544 R0
WINDOW 3 8 60 Left 0
SYMATTR Value vhigh=5
SYMATTR InstName A22
SYMBOL Digital\\inv -848 -544 R0
WINDOW 3 0 0 Invisible 0
SYMATTR Value vhigh=5 td={tdp}
SYMATTR InstName A20
SYMBOL Digital\\and -1680 -1056 R0
SYMATTR InstName A24
SYMATTR Value2 vhigh=5 td=10n
SYMBOL Digital\\and -1680 -848 M180
SYMATTR InstName A25
SYMATTR Value2 vhigh=5 td=10n
SYMBOL Digital\\and -1344 -1056 R0
SYMATTR InstName A26
SYMATTR Value2 vhigh=5 td=10n
SYMBOL Digital\\and -1344 -848 M180
SYMATTR InstName A27
SYMATTR Value2 vhigh=5 td=10n
SYMBOL Digital\\dflop -848 -2224 R0
WINDOW 3 8 168 Invisible 0
WINDOW 0 8 -16 Invisible 0
SYMATTR Value Vhigh={Vhigh1} ref=0.1
SYMATTR InstName A28
SYMATTR Value2 Td={td1}
SYMBOL Digital\\inv -1776 -1344 R0
WINDOW 3 -52 103 Invisible 0
SYMATTR Value td={0.5*tdel1} tripdt={tripdt1}
SYMATTR InstName A29
SYMBOL Digital\\inv -1776 -1440 R0
WINDOW 3 -52 103 Invisible 0
SYMATTR Value td={0.5*tdel1} tripdt={tripdt1}
SYMATTR InstName A30
SYMBOL Digital\\inv -848 -1408 R0
WINDOW 3 -52 103 Invisible 0
SYMATTR Value td={0.5*tdel1} tripdt={tripdt1}
SYMATTR InstName A31
SYMBOL Digital\\and -1616 -1456 R0
WINDOW 3 16 52 Invisible 0
SYMATTR Value td={tdel1} tripdt={tripdt1}
SYMATTR InstName A32
SYMBOL Digital\\and -1616 -1328 R0
WINDOW 3 16 52 Invisible 0
SYMATTR Value td={tdel1} tripdt={tripdt1}
SYMATTR InstName A33
SYMBOL Digital\\and -1408 -1456 R0
WINDOW 3 16 52 Invisible 0
SYMATTR Value td={tdel1} tripdt={tripdt1}
SYMATTR InstName A34
SYMBOL Digital\\and -1232 -1456 R0
WINDOW 3 16 52 Invisible 0
SYMATTR Value td={tdel1} tripdt={tripdt1}
SYMATTR InstName A35
SYMBOL Digital\\and -1408 -1328 R0
WINDOW 3 16 52 Invisible 0
SYMATTR Value td={tdel1} tripdt={tripdt1}
SYMATTR InstName A36
SYMBOL Digital\\and -1232 -1296 R0
WINDOW 3 16 52 Invisible 0
SYMATTR Value td={tdel1} tripdt={tripdt1}
SYMATTR InstName A37
SYMBOL Digital\\and -1072 -1424 R0
WINDOW 3 16 52 Invisible 0
SYMATTR Value td={tdel1} tripdt={tripdt1}
SYMATTR InstName A38
SYMBOL Digital\\and -1072 -1296 R0
WINDOW 3 16 52 Invisible 0
SYMATTR Value td={tdel1} tripdt={tripdt1}
SYMATTR InstName A39
SYMBOL Digital\\buf1 -656 -1408 R0
WINDOW 3 -47 95 Invisible 0
WINDOW 39 -87 108 Left 0
SYMATTR Value td={tdel1} tripdt={tripdt1}
SYMATTR SpiceLine vhigh={vcc1}
SYMATTR InstName A40
SYMATTR Value2 ref=0.5
SYMBOL Digital\\inv -752 -1408 R0
WINDOW 3 -52 103 Invisible 0
SYMATTR Value td={0.5*tdel1} tripdt={tripdt1}
SYMATTR InstName A41
SYMBOL res -592 -1328 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R1
SYMATTR Value 100
TEXT -1744 -1856 Left 0 !.param   VCC1=5 FMIN=6.35e4 FMAX=7.65e4 SPEED=1.0 TDEL1=20n TRIPDT1=8n
TEXT -2056 -1448 Left 0 !.include CD4000.lib
TEXT -2176 -1496 Left 0 !.tran 0 10mm 10u 500n startup uic
TEXT -2352 -648 Left 0 !.params: Vhigh1=5 ref1=2.5 Td1=50n
TEXT -2352 -608 Left 0 !.ic V(15)=0 V(R)=0 V(S)=5
TEXT -896 -616 Left 0 !.param tdp=100n
TEXT -1280 -1456 Left 0 ;x_delay
TEXT -1280 -1304 Left 0 ;x_delay
TEXT -1728 -784 Left 0 ;From Texas Datasheet
TEXT -2448 -184 Left 0 ;From user files (Induction Heater)
TEXT -904 -288 Left 0 ;From Phillips Datasheet
TEXT -1792 -248 Left 0 ;My own implementation
TEXT -1680 -1128 Left 0 ;From 74HC4046 in files list
TEXT -2016 -1688 Left 0 ;The additional inverter (with a suitable delay) combined with the AND gate generates a short pulse that trips the latch.
TEXT -2016 -1648 Left 0 ;This avoids the instability I have not tested this beyond 50kHz.
TEXT -2016 -1616 Left 0 ;To test the different version move the port flag 15 to the output of the various detectors.