Version 4 SHEET 1 1780 772 WIRE 688 -208 640 -208 WIRE 784 -192 752 -192 WIRE 864 -192 784 -192 WIRE 576 -176 560 -176 WIRE 656 -176 576 -176 WIRE 688 -176 656 -176 WIRE 784 -176 784 -192 WIRE 560 -112 560 -176 WIRE 784 -80 784 -96 WIRE 864 -80 784 -80 WIRE 784 -64 784 -80 WIRE 720 0 720 -16 WIRE 656 16 656 -176 WIRE 688 16 656 16 WIRE 784 32 784 16 WIRE 784 32 752 32 WIRE 864 32 784 32 WIRE 560 48 560 -32 WIRE 592 48 560 48 WIRE 640 48 640 -208 WIRE 640 48 592 48 WIRE 688 48 640 48 WIRE 608 176 560 176 WIRE 752 176 608 176 WIRE 752 192 752 176 WIRE 608 208 608 176 WIRE 16 288 -16 288 WIRE 128 288 96 288 WIRE 160 288 128 288 WIRE 240 320 224 320 WIRE 464 320 432 320 WIRE 608 320 608 288 WIRE 688 320 608 320 WIRE 608 336 608 320 WIRE 464 352 432 352 WIRE -64 368 -80 368 WIRE -16 368 -16 288 WIRE 0 368 -16 368 WIRE 160 368 160 288 WIRE 160 384 160 368 WIRE 240 384 160 384 WIRE 496 384 432 384 WIRE 752 384 752 368 WIRE 752 384 704 384 WIRE 832 384 752 384 WIRE 464 416 432 416 WIRE 528 416 464 416 WIRE 608 432 608 416 WIRE -160 448 -160 368 WIRE 160 448 160 384 WIRE 160 448 -160 448 WIRE 464 448 432 448 WIRE 704 448 704 384 WIRE 464 480 432 480 WIRE 528 480 528 416 WIRE 544 480 528 480 WIRE 832 480 832 464 WIRE 832 480 768 480 WIRE 768 496 768 480 WIRE 832 496 832 480 WIRE 464 512 432 512 WIRE 608 592 608 528 WIRE 608 592 560 592 WIRE 704 592 704 512 WIRE 704 592 608 592 WIRE 768 592 768 576 WIRE 768 592 704 592 WIRE 832 592 832 576 WIRE 832 592 768 592 FLAG -160 96 0 FLAG -64 96 0 FLAG 464 320 Q1 FLAG 464 352 Q2 FLAG 496 384 Q3 FLAG 464 416 Q4 FLAG 464 448 Q5 FLAG 464 480 Q6 FLAG 464 512 Q7 FLAG -160 16 Vcc FLAG -64 16 Vdd FLAG 864 -192 @A FLAG 720 -16 Vcc FLAG 720 64 Vdd FLAG 224 320 Vdd FLAG 560 592 Vdd FLAG 560 176 Vcc FLAG 864 -80 Vcc FLAG 720 -224 Vcc FLAG 720 -160 Vdd FLAG 864 32 @B FLAG 128 288 CK0 SYMBOL voltage -160 0 R0 WINDOW 123 0 0 Left 0 WINDOW 39 24 132 Left 0 WINDOW 0 -23 45 Left 0 WINDOW 3 0 67 Left 0 SYMATTR InstName V1 SYMATTR Value 4 SYMBOL voltage -64 0 R0 WINDOW 123 0 0 Left 0 WINDOW 39 24 132 Left 0 WINDOW 0 -21 47 Left 0 WINDOW 3 6 65 Left 0 SYMATTR InstName V2 SYMATTR Value -4 SYMBOL pnp 544 528 M180 WINDOW 0 32 34 Left 0 WINDOW 3 26 53 Left 0 SYMATTR InstName Q1 SYMATTR Value 2N5087 SYMBOL pnp 688 368 M180 WINDOW 0 42 40 Left 0 WINDOW 3 36 59 Left 0 SYMATTR InstName Q2 SYMATTR Value 2N5087 SYMBOL res 624 320 M0 SYMATTR Value 4k7 SYMATTR InstName R3 SYMBOL res 768 176 M0 SYMATTR Value 33 SYMATTR InstName R4 SYMBOL res 624 192 M0 SYMATTR Value 1k SYMATTR InstName R6 SYMBOL cap 688 448 R0 WINDOW 3 22 -10 Left 0 SYMATTR Value .44µ SYMATTR InstName C1 SYMBOL ind2 816 368 R0 WINDOW 0 -41 71 Left 0 WINDOW 3 -59 52 Left 0 SYMATTR InstName Ltx SYMATTR Value .0025 SYMATTR Type ind SYMATTR SpiceLine Rser=3 Cpar=345p SYMBOL ind2 816 480 R0 WINDOW 0 -32 29 Left 0 WINDOW 3 -29 56 Left 0 SYMATTR InstName LTXR SYMATTR Value 10µ SYMATTR Type ind SYMATTR SpiceLine Rpar=.1 SYMBOL ind2 576 -128 M0 WINDOW 0 -34 47 Left 0 WINDOW 3 -42 67 Left 0 SYMATTR InstName LRXR SYMATTR Value 100µ SYMATTR Type ind SYMATTR SpiceLine Rpar=.5 SYMBOL res 784 592 R180 WINDOW 0 31 47 Left 0 WINDOW 3 31 77 Left 0 SYMATTR InstName R7 SYMATTR Value 1 SYMBOL res 800 -80 M0 SYMATTR InstName R13 SYMATTR Value 40k SYMBOL CD4024B 352 400 R0 SYMATTR InstName U5 SYMATTR SpiceLine VDD=8 SPEED=1.0 TRIPDT=5e-9 SYMATTR SpiceModel Vcc Vdd SYMBOL res 800 -80 R180 WINDOW 0 31 47 Left 0 WINDOW 3 31 77 Left 0 SYMATTR InstName R29 SYMATTR Value 40k SYMBOL LM393+ 720 -192 R0 WINDOW 38 75 -13 Right 0 WINDOW 0 30 -26 Left 0 SYMATTR InstName U2 SYMBOL LM393+ 720 32 R0 WINDOW 0 14 40 Left 0 WINDOW 38 58 22 Right 0 SYMATTR InstName U4 SYMBOL 3rdParty\\X1G 576 -160 R180 SYMATTR InstName U12 SYMBOL 3rdParty\\X1G 592 32 R0 SYMATTR InstName U14 SYMBOL CD4049B -128 304 R0 WINDOW 0 2 99 Left 0 WINDOW 3 -28 125 Left 0 SYMATTR InstName U1 SYMATTR SpiceLine VDD=8 SPEED=1.0 TRIPDT=5e-9 SYMATTR SpiceModel Vcc Vdd SYMBOL CD4049B 112 304 R0 WINDOW 0 -13 102 Left 0 WINDOW 3 -71 120 Left 0 SYMATTR InstName U3 SYMATTR SpiceLine VDD=8 SPEED=1.0 TRIPDT=5e-9 SYMATTR SpiceModel Vcc Vdd SYMBOL cap -16 352 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C2 SYMATTR Value 47p SYMBOL res -16 384 R270 WINDOW 0 30 56 VTop 0 WINDOW 3 2 56 VBottom 0 SYMATTR InstName R1 SYMATTR Value 1Meg SYMBOL res 112 272 R90 WINDOW 0 2 56 VBottom 0 WINDOW 3 30 56 VTop 0 SYMATTR InstName R2 SYMATTR Value 94k SYMBOL 3rdParty\\X1G 160 432 R0 SYMATTR InstName U6 TEXT -176 -112 Left 0 !.tran 12m TEXT -184 -88 Left 0 !k1 LTXR LRXR 1 TEXT -200 -64 Left 0 !.inc D:\\LTC\\Models\\CD4000.lib.txt TEXT 784 216 Left 0 ;Fo=~4.83kc TEXT 200 -256 Left 0 ;X1G symbol can be placed where ground \nreference is required for spice to converge. \nAlternative, here, is to place high value \nresistances on both sides of LRXR \nor else use center tapped coil. TEXT -104 496 Left 0 ;This X1G may be necessary. \nOtherwise, .ic statements may \nbe ignored as more subcircuits \nare added. TEXT 224 248 Left 0 !.ic v(ck0)=4 i(Ltx)=-5m LINE Normal 144 464 32 480 LINE Normal 144 464 144 464 RECTANGLE Normal 928 128 176 -304