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4635 5400 4635 4 0 0 50 -1 0 12 0.0000 4 135 240 10485 765 5V\001 4 0 0 20 -1 16 6 0.0000 4 75 90 10890 1620 Q\001 4 0 0 20 -1 16 6 0.0000 4 75 90 10890 2295 Q\001 4 0 0 0 -1 16 6 0.0000 4 75 60 11115 1530 1\001 4 0 0 0 -1 16 6 0.0000 4 75 60 11115 2160 2\001 4 0 0 0 -1 16 6 0.0000 4 75 60 9990 1530 5\001 4 0 0 0 -1 16 6 0.0000 4 75 60 9990 2205 3\001 4 0 0 20 -1 16 6 0.0000 4 75 360 10170 2070 RESET\001 4 0 0 0 -1 16 6 0.0000 4 75 60 9990 1755 6\001 4 0 0 0 -1 16 6 0.0000 4 75 60 9990 1980 4\001 4 0 0 20 -1 16 6 0.0000 4 75 210 10170 1845 SET\001 4 0 0 20 -1 16 6 0.0000 4 75 75 10170 1620 D\001 4 0 0 20 -1 16 6 0.0000 4 75 210 10260 2295 CLK\001 4 0 0 10 -1 16 6 0.0000 4 75 60 10665 2610 7\001 4 0 0 7 -1 16 6 0.0000 4 75 120 10620 1260 14\001 4 0 0 50 -1 0 12 0.0000 4 135 375 11295 1980 U3A\001 4 0 0 7 -1 16 6 0.0000 4 75 195 10485 1485 Vdd\001 4 0 0 10 -1 16 6 0.0000 4 75 195 10485 2430 Vss\001 4 0 0 50 -1 0 12 0.0000 4 135 240 1620 855 5V\001 4 0 0 50 -1 0 12 0.0000 4 135 525 2205 1800 100nF\001 4 0 0 50 -1 0 12 0.0000 4 135 420 720 1800 10uF\001 4 0 0 50 -1 0 12 0.0000 4 135 2070 5130 2655 4069 CMOS Hex Inverter\001 4 0 0 0 -1 16 6 0.0000 4 75 60 4635 3780 4\001 4 0 0 10 -1 16 6 0.0000 4 75 60 5130 3780 8\001 4 0 0 50 -1 0 12 0.0000 4 135 240 4725 4635 U2\001 4 0 0 50 -1 0 12 0.0000 4 135 240 3510 2790 5V\001 4 0 0 0 -1 16 6 0.0000 4 75 60 4140 4185 7\001 4 0 0 0 -1 16 6 0.0000 4 75 60 4140 4590 6\001 4 0 0 0 -1 16 6 0.0000 4 75 60 4140 4905 2\001 4 0 0 7 -1 16 6 0.0000 4 75 60 4635 5535 1\001 4 0 0 0 -1 16 6 0.0000 4 75 60 5130 5535 5\001 4 0 0 50 -1 0 12 0.0000 4 135 1845 5670 5130 LM7555 CMOS Timer\001 4 0 0 50 -1 0 12 0.0000 4 180 1845 11025 2970 4013 Dual D Flip-Flop\001 4 0 0 50 -1 0 12 0.0000 4 135 420 5265 5940 10nF\001 4 0 0 20 -1 16 6 0.0000 4 75 180 4365 4320 DIS\001 4 0 0 20 -1 16 6 0.0000 4 75 210 4365 4680 THR\001 4 0 0 20 -1 16 6 0.0000 4 75 255 4365 4995 TRIG\001 4 0 0 20 -1 16 6 0.0000 4 75 270 4950 5310 CTRL\001 4 0 0 20 -1 16 6 0.0000 4 75 240 4455 5310 GND\001 4 0 0 20 -1 16 6 0.0000 4 75 360 4410 4005 RESET\001 4 0 0 20 -1 16 6 0.0000 4 75 195 4995 4005 Vcc\001 4 0 0 0 -1 16 6 0.0000 4 75 60 5490 4545 3\001 4 0 0 20 -1 16 6 0.0000 4 75 225 5130 4680 OUT\001 4 0 0 50 -1 0 12 0.0000 4 180 570 12105 1620 Output\001 4 0 0 50 -1 0 12 0.0000 4 135 315 3105 5400 1nF\001 4 0 0 50 -1 0 12 0.0000 4 135 390 3060 4680 1.2K\001 4 0 0 50 -1 0 12 0.0000 4 135 240 3150 4005 R1\001 4 0 0 50 -1 0 12 0.0000 4 135 1890 945 3870 Choose R1 for between\001 4 0 0 50 -1 0 12 0.0000 4 135 345 7200 4500 56R\001 4 0 0 50 -1 0 12 0.0000 4 180 1980 900 4140 100 and 200 kHz output\001 4 0 0 50 -1 0 12 0.0000 4 135 660 1485 4410 from U2\001 4 0 0 50 -1 0 12 0.0000 4 180 3315 8280 5895 Place U1 and U2 on opposite sides of the\001 4 0 0 50 -1 0 12 0.0000 4 180 3540 8280 6120 PCB layout to avoid the regular signal from\001 # or 4 0 0 50 -1 0 12 0.0000 4 180 3465 8280 6345 U2 affecting the ring oscillator's behaviour\001