1 EESchema Schematic File Version 4
8 Title "Test signal generation"
14 Comment3 "Creative Commons Attribution Share-Alike (CC BY-SA)"
15 Comment4 "Copyright (C) 2019 John Tsiombikas"
22 F2 "D0" I L 6100 4650 50
23 F3 "D1" I L 6100 4750 50
24 F4 "D2" I L 6100 4850 50
25 F5 "D3" I L 6100 4950 50
26 F6 "D4" I L 6100 5050 50
27 F7 "AOUT" O R 6650 4900 50
34 F2 "D0" I L 7450 4650 50
35 F3 "D1" I L 7450 4750 50
36 F4 "D2" I L 7450 4850 50
37 F5 "D3" I L 7450 4950 50
38 F6 "D4" I L 7450 5050 50
39 F7 "AOUT" O R 8000 4900 50
46 F2 "D0" I L 8900 4650 50
47 F3 "D1" I L 8900 4750 50
48 F4 "D2" I L 8900 4850 50
49 F5 "D3" I L 8900 4950 50
50 F6 "D4" I L 8900 5050 50
51 F7 "AOUT" O R 9450 4900 50
57 F 0 "#PWR017" H 8950 4000 50 0001 C CNN
58 F 1 "GND" H 8955 4077 50 0000 C CNN
59 F 2 "" H 8950 4250 50 0001 C CNN
60 F 3 "" H 8950 4250 50 0001 C CNN
74 F 0 "U21" H 4300 3000 50 0000 C CNN
75 F 1 "74HC157" H 4750 3000 50 0000 C CNN
76 F 2 "Package_SO:SOIC-16_4.55x10.3mm_P1.27mm" H 4550 2250 50 0001 C CNN
77 F 3 "http://www.ti.com/lit/gpn/sn74LS157" H 4550 2250 50 0001 C CNN
125 Connection ~ 5900 3900
132 Connection ~ 5950 2550
137 Connection ~ 6000 2250
142 Connection ~ 6050 1950
149 Text Label 3350 3650 0 50 ~ 0
151 Text Label 3350 3250 0 50 ~ 0
153 Text Label 3350 2850 0 50 ~ 0
155 Text Label 3350 2450 0 50 ~ 0
157 Text Label 3350 2050 0 50 ~ 0
159 Text Label 3350 1650 0 50 ~ 0
171 F 0 "U18" H 3050 1650 50 0000 C CNN
172 F 1 "74HC86" H 3000 1450 50 0000 C CNN
173 F 2 "Package_SO:SOIC-14_3.9x8.7mm_P1.27mm" H 3050 1650 50 0001 C CNN
174 F 3 "http://www.ti.com/lit/gpn/sn74HC86" H 3050 1650 50 0001 C CNN
178 Text GLabel 2250 1550 0 50 Input ~ 0
180 Text Label 2350 1550 0 50 ~ 0
184 Text Label 2350 1750 0 50 ~ 0
186 Text GLabel 2250 1750 0 50 Input ~ 0
192 Text Label 2350 2350 0 50 ~ 0
194 Text GLabel 2250 2350 0 50 Input ~ 0
200 F 0 "U18" H 3050 2850 50 0000 C CNN
201 F 1 "74HC86" H 3000 2650 50 0000 C CNN
202 F 2 "Package_SO:SOIC-14_3.9x8.7mm_P1.27mm" H 3050 2850 50 0001 C CNN
203 F 3 "http://www.ti.com/lit/gpn/sn74HC86" H 3050 2850 50 0001 C CNN
211 F 0 "U18" H 3050 2450 50 0000 C CNN
212 F 1 "74HC86" H 3000 2250 50 0000 C CNN
213 F 2 "Package_SO:SOIC-14_3.9x8.7mm_P1.27mm" H 3050 2450 50 0001 C CNN
214 F 3 "http://www.ti.com/lit/gpn/sn74HC86" H 3050 2450 50 0001 C CNN
222 F 0 "U18" H 3050 2050 50 0000 C CNN
223 F 1 "74HC86" H 3000 1850 50 0000 C CNN
224 F 2 "Package_SO:SOIC-14_3.9x8.7mm_P1.27mm" H 3050 2050 50 0001 C CNN
225 F 3 "http://www.ti.com/lit/gpn/sn74HC86" H 3050 2050 50 0001 C CNN
229 Text GLabel 2250 3550 0 50 Input ~ 0
231 Text GLabel 2250 3150 0 50 Input ~ 0
233 Text GLabel 2250 2750 0 50 Input ~ 0
235 Text GLabel 2250 1950 0 50 Input ~ 0
237 Text Label 2350 3550 0 50 ~ 0
239 Text Label 2350 3150 0 50 ~ 0
241 Text Label 2350 2750 0 50 ~ 0
243 Text Label 2350 1950 0 50 ~ 0
257 F 0 "U19" H 3050 3650 50 0000 C CNN
258 F 1 "74HC86" H 3000 3450 50 0000 C CNN
259 F 2 "Package_SO:SOIC-14_3.9x8.7mm_P1.27mm" H 3050 3650 50 0001 C CNN
260 F 3 "http://www.ti.com/lit/gpn/sn74HC86" H 3050 3650 50 0001 C CNN
268 F 0 "U19" H 3050 3250 50 0000 C CNN
269 F 1 "74HC86" H 3000 3050 50 0000 C CNN
270 F 2 "Package_SO:SOIC-14_3.9x8.7mm_P1.27mm" H 3050 3250 50 0001 C CNN
271 F 3 "http://www.ti.com/lit/gpn/sn74HC86" H 3050 3250 50 0001 C CNN
275 Text Label 2350 3750 0 50 ~ 0
277 Text Label 2350 3350 0 50 ~ 0
279 Text Label 2350 2950 0 50 ~ 0
281 Text Label 2350 2550 0 50 ~ 0
283 Text Label 2350 2150 0 50 ~ 0
285 Text GLabel 2250 3750 0 50 Input ~ 0
287 Text GLabel 2250 3350 0 50 Input ~ 0
289 Text GLabel 2250 2950 0 50 Input ~ 0
291 Text GLabel 2250 2550 0 50 Input ~ 0
293 Text GLabel 2250 2150 0 50 Input ~ 0
313 Connection ~ 3950 2650
318 Connection ~ 3950 2350
323 Connection ~ 3950 2050
348 F 0 "U22" H 4300 5250 50 0000 C CNN
349 F 1 "74HC157" H 4750 5250 50 0000 C CNN
350 F 2 "Package_SO:SOIC-16_4.55x10.3mm_P1.27mm" H 4550 4500 50 0001 C CNN
351 F 3 "http://www.ti.com/lit/gpn/sn74LS157" H 4550 4500 50 0001 C CNN
359 F 0 "#PWR015" H 4550 3450 50 0001 C CNN
360 F 1 "VCC" H 4567 3773 50 0000 C CNN
361 F 2 "" H 4550 3600 50 0001 C CNN
362 F 3 "" H 4550 3600 50 0001 C CNN
370 F 0 "#PWR014" H 4550 1200 50 0001 C CNN
371 F 1 "VCC" H 4567 1523 50 0000 C CNN
372 F 2 "" H 4550 1350 50 0001 C CNN
373 F 3 "" H 4550 1350 50 0001 C CNN
381 Connection ~ 3950 3250
386 F 0 "#PWR016" H 4550 5250 50 0001 C CNN
387 F 1 "GND" H 4555 5327 50 0000 C CNN
388 F 2 "" H 4550 5500 50 0001 C CNN
389 F 3 "" H 4550 5500 50 0001 C CNN
393 Connection ~ 4550 5500
396 Connection ~ 3950 4900
401 Connection ~ 3950 4600
406 Connection ~ 3950 4300
411 Connection ~ 3950 4000
416 Connection ~ 3950 4800
421 Connection ~ 3950 4500
446 Connection ~ 3950 5200
451 Connection ~ 3950 2950
460 Text GLabel 2650 4650 0 50 Input ~ 0
462 Text GLabel 2650 4850 0 50 Input ~ 0
468 Connection ~ 3850 4850
471 Text GLabel 9700 4900 2 50 Output ~ 0
475 Text Label 9500 4900 0 50 ~ 0
477 Text GLabel 8250 4900 2 50 Output ~ 0
481 Text Label 8000 4900 0 50 ~ 0
487 Connection ~ 7400 1650
488 Connection ~ 7350 1950
491 Connection ~ 7300 2250
494 Connection ~ 7250 2550
497 Text Label 6700 4900 0 50 ~ 0
499 Text GLabel 6850 4900 2 50 Output ~ 0
505 F 0 "U19" H 2650 5550 50 0000 C CNN
506 F 1 "74HC86" H 2600 5350 50 0000 C CNN
507 F 2 "Package_SO:SOIC-14_3.9x8.7mm_P1.27mm" H 2650 5550 50 0001 C CNN
508 F 3 "http://www.ti.com/lit/gpn/sn74HC86" H 2650 5550 50 0001 C CNN
516 F 0 "U19" H 2650 6000 50 0000 C CNN
517 F 1 "74HC86" H 2600 5800 50 0000 C CNN
518 F 2 "Package_SO:SOIC-14_3.9x8.7mm_P1.27mm" H 2650 6000 50 0001 C CNN
519 F 3 "http://www.ti.com/lit/gpn/sn74HC86" H 2650 6000 50 0001 C CNN
527 F 0 "#PWR022" H 2350 6000 50 0001 C CNN
528 F 1 "GND" H 2355 6077 50 0000 C CNN
529 F 2 "" H 2350 6250 50 0001 C CNN
530 F 3 "" H 2350 6250 50 0001 C CNN
538 Connection ~ 2350 6100
541 Connection ~ 2350 5900
544 Connection ~ 2350 5650
549 Text GLabel 4250 1350 0 50 Input ~ 0
553 Connection ~ 4550 1350
558 F 0 "D1" H 3000 4434 50 0000 C CNN
559 F 1 "1N4148" H 3000 4525 50 0000 C CNN
560 F 2 "Diode_SMD:D_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 3000 4475 50 0001 C CNN
561 F 3 "http://www.nxp.com/documents/data_sheet/1N4148_1N4448.pdf" H 3000 4650 50 0001 C CNN
569 F 0 "D2" H 3000 5050 50 0000 C CNN
570 F 1 "1N4148" H 3000 4950 50 0000 C CNN
571 F 2 "Diode_SMD:D_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 3000 4675 50 0001 C CNN
572 F 3 "http://www.nxp.com/documents/data_sheet/1N4148_1N4448.pdf" H 3000 4850 50 0001 C CNN
580 F 0 "R49" H 3380 5004 50 0000 R CNN
581 F 1 "4.7k" H 3380 5095 50 0000 R CNN
582 F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 3380 5050 50 0001 C CNN
583 F 3 "~" H 3450 5050 50 0001 C CNN
591 Connection ~ 3450 4850
602 F 0 "#PWR026" H 3450 4950 50 0001 C CNN
603 F 1 "GND" H 3455 5027 50 0000 C CNN
604 F 2 "" H 3450 5200 50 0001 C CNN
605 F 3 "" H 3450 5200 50 0001 C CNN