Version 4
SHEET 1 880 680
WIRE -768 -176 -768 -288
WIRE -768 16 -768 -16
WIRE -768 240 -768 208
WIRE -752 -384 -768 -384
WIRE -752 -288 -768 -288
WIRE -752 -16 -768 -16
WIRE -752 208 -768 208
WIRE -656 -384 -672 -384
WIRE -656 -288 -672 -288
WIRE -656 -288 -656 -384
WIRE -656 -208 -656 -288
WIRE -656 -144 -656 -176
WIRE -640 -288 -656 -288
WIRE -640 -208 -656 -208
WIRE -640 -176 -656 -176
WIRE -624 240 -624 208
WIRE -608 -224 -608 -240
WIRE -608 -144 -608 -160
WIRE -608 48 -624 48
WIRE -608 208 -624 208
WIRE -592 -240 -608 -240
WIRE -592 -144 -608 -144
WIRE -528 -288 -576 -288
WIRE -528 -288 -528 -304
WIRE -528 -192 -576 -192
WIRE -528 -192 -528 -288
WIRE -528 48 -544 48
WIRE -512 -288 -528 -288
WIRE -400 -288 -432 -288
WIRE -400 -256 -400 -288
WIRE -400 -176 -400 -192
WIRE -368 -288 -400 -288
WIRE -352 448 -368 448
WIRE -352 448 -352 16
WIRE -304 -16 -320 -16
WIRE -304 48 -304 -16
WIRE -304 80 -304 48
WIRE -304 272 -304 240
WIRE -304 304 -304 272
WIRE -304 320 -304 304
WIRE -288 -16 -304 -16
WIRE -288 16 -352 16
WIRE -288 48 -304 48
WIRE -288 80 -304 80
WIRE -288 112 -304 112
WIRE -288 208 -304 208
WIRE -288 240 -304 240
WIRE -288 272 -304 272
WIRE -288 304 -304 304
WIRE -288 448 -352 448
WIRE -272 -416 -288 -416
WIRE -272 -400 -272 -416
WIRE -272 -288 -288 -288
WIRE -272 -288 -272 -320
WIRE -272 -192 -272 -288
WIRE -256 -192 -272 -192
WIRE -64 448 -176 448
WIRE -64 448 -64 352
WIRE -48 -192 -176 -192
WIRE -48 -192 -48 -288
WIRE 0 -16 -16 -16
WIRE 0 80 0 -16
WIRE 0 272 0 240
WIRE 0 304 0 272
WIRE 0 320 0 304
WIRE 16 -16 0 -16
WIRE 16 16 -16 16
WIRE 16 48 -16 48
WIRE 16 80 0 80
WIRE 16 112 0 112
WIRE 16 208 0 208
WIRE 16 240 0 240
WIRE 16 272 0 272
WIRE 16 304 0 304
WIRE 32 -288 -48 -288
WIRE 32 -256 16 -256
FLAG -752 208 Vs+
FLAG -592 -144 Vs-
FLAG -656 -144 0
FLAG -528 -304 o
FLAG -768 -384 q
FLAG -768 -96 0
FLAG -400 -176 0
FLAG -768 96 0
FLAG -768 -288 i
FLAG -592 -240 Vs+
FLAG 128 -368 H
FLAG 128 -144 H
FLAG -624 48 Vs+
FLAG -528 48 H
FLAG 16 -256 ck
FLAG -752 -16 ck
FLAG -304 320 0
FLAG -304 112 ck
FLAG -304 208 H
FLAG -320 -16 H
FLAG -368 448 _tc
FLAG -16 -16 H
FLAG -16 16 _tc
FLAG -16 48 q
FLAG 0 112 ck
FLAG 0 208 q
FLAG 0 320 0
FLAG -288 -416 Vs+
FLAG -768 320 0
FLAG -608 208 Vs-
FLAG -624 320 0
FLAG 224 -288 q
FLAG 240 208 d0
FLAG 240 240 d1
FLAG 240 272 d2
FLAG 240 304 d3
SYMBOL Opamps\\2pole -608 -192 R0
WINDOW 0 19 -24 Left 0
SYMATTR InstName U1
SYMBOL voltage -768 224 R0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL cap -576 -304 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C1
SYMATTR Value 3.3n
SYMBOL res -656 -400 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R1
SYMATTR Value 4.7k
SYMBOL res -656 -304 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R2
SYMATTR Value 4.7k
SYMBOL voltage -768 -192 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value SINE(-2.5 1 1k)
SYMBOL sym_new\\74hc74 128 -368 R0
SYMATTR InstName U2
SYMBOL res -416 -304 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R3
SYMATTR Value 2.2k
SYMBOL res -272 -304 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R4
SYMATTR Value 1k
SYMBOL diode -384 -192 R180
WINDOW 0 24 72 Left 0
WINDOW 3 24 0 Left 0
SYMATTR InstName D1
SYMBOL voltage -768 0 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 3 -30 141 Left 0
SYMATTR Value PULSE(0 5 0 10n 10n 5u 10u)
SYMATTR InstName V3
SYMBOL sym_new\\74hc163 -176 -96 R0
SYMATTR InstName U3
SYMBOL Misc\\jumper -576 -16 R0
SYMATTR InstName X1
SYMBOL sym_new\\74hc163 128 -96 R0
SYMATTR InstName U4
SYMBOL res -256 -416 M0
WINDOW 3 38 65 Left 0
SYMATTR InstName R5
SYMATTR Value 3.3k
SYMBOL voltage -624 224 R0
SYMATTR InstName V4
SYMATTR Value -5
SYMBOL res -160 -208 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R7
SYMATTR Value 330k
SYMBOL sym_new\\74hc04 -224 -352 R0
SYMATTR InstName U6
SYMBOL sym_new\\74hc04 -112 -352 R0
SYMATTR InstName U7
SYMBOL sym_new\\74hc04 -224 512 R180
SYMATTR InstName U10
TEXT -800 432 Left 0 !.include ./doclib/74hc.lib\n.ic V(o)=0.08\n.save v(i) v(o) v(_tc) v(q) v(d3) v(d2) v(d1) v(d0)\n.tran 1m uic