1 EESchema Schematic File Version 2 date Fri 25 May 2012 10:34:43 PM CEST
33 LIBS:arduino_shieldsNCL
38 LIBS:modular-half-dual-cache
57 F 0 "#PWR01" H 7850 2650 40 0001 C CNN
58 F 1 "AGND" H 7850 2580 50 0000 C CNN
66 F 0 "#PWR02" H 9000 2650 40 0001 C CNN
67 F 1 "AGND" H 9000 2580 50 0000 C CNN
77 F 0 "P7" H 2780 1150 40 0000 L CNN
78 F 1 "CONN_1" H 2700 1205 30 0001 C CNN
86 F 0 "P8" H 2780 1800 40 0000 L CNN
87 F 1 "CONN_1" H 2700 1855 30 0001 C CNN
95 F 0 "P14" H 3130 4150 40 0000 L CNN
96 F 1 "CONN_1" H 3050 4205 30 0001 C CNN
104 F 0 "P11" H 3130 4050 40 0000 L CNN
105 F 1 "CONN_1" H 3050 4105 30 0001 C CNN
109 Text GLabel 8700 2750 2 60 Input ~ 0
111 Text GLabel 7550 2750 2 60 Input ~ 0
129 Connection ~ 8650 1400
154 Connection ~ 7800 4650
175 Connection ~ 3900 1200
178 Connection ~ 3900 800
203 Connection ~ 7850 4650
208 Connection ~ 7900 4650
267 F 0 "P13" H 5430 3300 40 0000 L CNN
268 F 1 "CONN_1" H 5350 3355 30 0001 C CNN
276 F 0 "P12" H 5430 3200 40 0000 L CNN
277 F 1 "CONN_1" H 5350 3255 30 0001 C CNN
281 Text Label 5500 2300 2 60 ~ 0
283 Text Label 5500 2400 2 60 ~ 0
285 Text Label 5500 2600 2 60 ~ 0
287 Text Label 5500 3100 2 60 ~ 0
289 Text Label 5500 3000 2 60 ~ 0
291 Text Label 5500 2900 2 60 ~ 0
297 F 0 "P10" H 5430 1800 40 0000 L CNN
298 F 1 "CONN_1" H 5350 1855 30 0001 C CNN
306 F 0 "P9" H 5430 1700 40 0000 L CNN
307 F 1 "CONN_1" H 5350 1755 30 0001 C CNN
315 F 0 "P5" H 3130 2100 40 0000 L CNN
316 F 1 "CONN_1" H 3050 2155 30 0001 C CNN
324 F 0 "P6" H 3130 2600 40 0000 L CNN
325 F 1 "CONN_1" H 3050 2655 30 0001 C CNN
333 F 0 "#PWR03" H 3100 6100 40 0001 C CNN
334 F 1 "DGND" H 3100 6030 40 0000 C CNN
342 F 0 "#PWR04" H 2850 6100 40 0001 C CNN
343 F 1 "DGND" H 2850 6030 40 0000 C CNN
351 F 0 "R4" V 2930 5850 50 0000 C CNN
352 F 1 "R" V 2850 5850 50 0000 C CNN
360 F 0 "R8" V 3180 5850 50 0000 C CNN
361 F 1 "R" V 3100 5850 50 0000 C CNN
369 F 0 "D2" H 3100 5500 50 0000 C CNN
370 F 1 "LED" H 3100 5300 50 0000 C CNN
378 F 0 "D1" H 2850 5500 50 0000 C CNN
379 F 1 "LED" H 2850 5300 50 0000 C CNN
387 F 0 "#PWR05" H 7850 2450 40 0001 C CNN
388 F 1 "AGND" H 7850 2380 50 0000 C CNN
396 F 0 "#PWR06" H 9000 2450 40 0001 C CNN
397 F 1 "AGND" H 9000 2380 50 0000 C CNN
405 F 0 "P1" V 7150 2600 50 0000 C CNN
406 F 1 "CONN_4" V 7250 2600 50 0000 C CNN
410 Text Label 7850 2550 2 60 ~ 0
412 Text Label 9000 2550 2 60 ~ 0
418 F 0 "P3" V 8300 2600 50 0000 C CNN
419 F 1 "CONN_4" V 8400 2600 50 0000 C CNN
423 Text Notes 7800 2250 0 60 ~ 0
424 extension connector 1
429 F 0 "20k1" V 5830 2800 50 0000 C CNN
430 F 1 "20k" V 5750 2800 50 0000 C CNN
434 Text Label 6250 2800 2 60 ~ 0
440 F 0 "#PWR07" H 6150 1250 40 0001 C CNN
441 F 1 "DGND" H 6150 1180 40 0000 C CNN
449 F 0 "#PWR08" H 5800 1250 40 0001 C CNN
450 F 1 "AGND" H 5800 1180 50 0000 C CNN
454 Text GLabel 6150 850 1 60 Input ~ 0
456 Text GLabel 5800 850 1 60 Input ~ 0
462 F 0 "C4" H 6200 1150 50 0000 L CNN
463 F 1 "1000n" H 6200 950 50 0000 L CNN
471 F 0 "C3" H 5850 1150 50 0000 L CNN
472 F 1 "1000n" H 5850 950 50 0000 L CNN
480 F 0 "#PWR09" H 7050 1800 40 0001 C CNN
481 F 1 "AGND" H 7050 1730 50 0000 C CNN
485 Text GLabel 7050 800 1 60 Input ~ 0
487 Text GLabel 7850 1000 1 60 Input ~ 0
493 F 0 "#PWR010" H 7850 1800 40 0001 C CNN
494 F 1 "AGND" H 7850 1730 50 0000 C CNN
502 F 0 "#PWR011" H 8650 1800 40 0001 C CNN
503 F 1 "AGND" H 8650 1730 50 0000 C CNN
507 Text GLabel 8850 1400 2 60 Input ~ 0
513 F 0 "C2" H 8700 1700 50 0000 L CNN
514 F 1 "100n" H 8700 1500 50 0000 L CNN
522 F 0 "R7" V 7130 1550 50 0000 C CNN
523 F 1 "R" V 7050 1550 50 0000 C CNN
531 F 0 "R6" V 7130 1050 50 0000 C CNN
532 F 1 "R" V 7050 1050 50 0000 C CNN
540 F 0 "U1" H 8100 1700 70 0000 C CNN
541 F 1 "TL071" H 8100 1600 70 0000 C CNN
545 Text Label 6250 2700 2 60 ~ 0
547 Text Label 6250 2200 2 60 ~ 0
549 Text Label 6250 2100 2 60 ~ 0
551 Text Label 6250 1900 2 60 ~ 0
557 F 0 "R5" V 5830 2700 50 0000 C CNN
558 F 1 "20k" V 5750 2700 50 0000 C CNN
566 F 0 "R3" V 5830 2200 50 0000 C CNN
567 F 1 "20k" V 5750 2200 50 0000 C CNN
575 F 0 "R2" V 5830 2100 50 0000 C CNN
576 F 1 "20k" V 5750 2100 50 0000 C CNN
584 F 0 "R1" V 5830 1900 50 0000 C CNN
585 F 1 "20k" V 5750 1900 50 0000 C CNN
593 F 0 "#PWR012" H 4850 1200 40 0001 C CNN
594 F 1 "DGND" H 4850 1130 40 0000 C CNN
602 F 0 "#PWR013" H 3200 2400 40 0001 C CNN
603 F 1 "DGND" H 3200 2330 40 0000 C CNN
607 Text Label 1200 1100 0 60 ~ 0
609 Text Label 1200 1200 0 60 ~ 0
611 Text Label 1200 1750 0 60 ~ 0
613 Text Label 1200 1850 0 60 ~ 0
615 Text GLabel 3150 2200 0 60 Input ~ 0
617 Text Label 5500 2000 2 60 ~ 0
624 F2 "inv" I R 6200 4650 60
625 F3 "non-inv" I R 6200 4550 60
627 Text Label 6500 4550 2 60 ~ 0
629 Text Label 6500 4650 2 60 ~ 0
631 Text Label 6500 4050 2 60 ~ 0
633 Text Label 6500 3950 2 60 ~ 0
640 F2 "inv" I R 6200 4050 60
641 F3 "non-inv" I R 6200 3950 60
643 Text Label 8850 4450 2 60 ~ 0
649 F 0 "R49" V 8380 4450 50 0000 C CNN
650 F 1 "20k" V 8300 4450 50 0000 C CNN
658 F 0 "#PWR014" H 7950 4700 40 0001 C CNN
659 F 1 "AGND" H 7950 4630 50 0000 C CNN
667 F 0 "J2" H 7925 5065 60 0000 C CNN
668 F 1 "SMA" H 7990 4990 60 0000 C CNN
669 F 2 "SMA" H 7975 4920 50 0000 C CNN
673 Text Label 1300 5150 0 60 ~ 0
675 Text Label 1300 5050 0 60 ~ 0
677 Text Label 2900 4150 2 60 ~ 0
679 Text Label 2900 4350 2 60 ~ 0
681 Text Label 2900 4250 2 60 ~ 0
683 Text Label 3250 4850 2 60 ~ 0
685 Text GLabel 2700 4750 2 60 Input ~ 0
688 Text Label 2900 4650 2 60 ~ 0
690 Text Label 2900 4450 2 60 ~ 0
692 Text Label 2900 4050 2 60 ~ 0
694 Text Label 1300 4450 0 60 ~ 0
696 Text Label 1300 4350 0 60 ~ 0
698 Text Label 1300 4150 0 60 ~ 0
700 Text Label 1300 4050 0 60 ~ 0
703 S 1600 3850 1000 1500
707 F2 "rldin" I L 1600 4950 60
708 F3 "rldinv" I L 1600 5050 60
709 F4 "rldout" I L 1600 5150 60
710 F5 "in2n" I L 1600 4350 60
711 F6 "in1n" I L 1600 4050 60
712 F7 "in3n" I L 1600 4650 60
713 F8 "in3p" I L 1600 4750 60
714 F9 "in2p" I L 1600 4450 60
715 F10 "in1p" I L 1600 4150 60
716 F11 "cs" I R 2600 4050 60
717 F12 "drdy" I R 2600 4150 60
718 F13 "dout" I R 2600 4250 60
719 F14 "din" I R 2600 4350 60
720 F15 "sclk" I R 2600 4450 60
721 F16 "clk" I R 2600 4550 60
722 F17 "start" I R 2600 4650 60
723 F18 "clksel" I R 2600 4750 60
724 F19 "pwdn/reset" I R 2600 4850 60
725 F20 "gpio2" I R 2600 5150 60
726 F21 "gpio1" I R 2600 5050 60
732 F 0 "#PWR015" H 3750 1200 40 0001 C CNN
733 F 1 "AGND" H 3750 1130 50 0000 C CNN
737 Text GLabel 3750 800 0 60 Input ~ 0
743 F 0 "#PWR016" H 3250 2390 20 0001 C CNN
744 F 1 "+5V" H 3250 2390 30 0000 C CNN
752 F 0 "#PWR017" H 4800 890 20 0001 C CNN
753 F 1 "+5V" H 4800 890 30 0000 C CNN
761 F 0 "L2" V 4250 1200 40 0000 C CNN
762 F 1 "INDUCTOR" V 4400 1200 40 0000 C CNN
770 F 0 "L1" V 4250 800 40 0000 C CNN
771 F 1 "INDUCTOR" V 4400 800 40 0000 C CNN
779 F 0 "C1" H 3950 1100 50 0000 L CNN
780 F 1 "1µ" H 3950 900 50 0000 L CNN
784 Text Label 2550 1150 2 60 ~ 0
786 Text Label 2550 1800 2 60 ~ 0
789 L ARDUINO_SHIELD SHIELD1
792 F 0 "SHIELD1" H 3850 3450 60 0000 C CNN
793 F 1 "ARDUINO_SHIELD" H 4250 1550 60 0000 C CNN
802 F2 "Vout" I R 2300 1800 60
803 F3 "inputn" I L 1450 1850 60
804 F4 "inputp" I L 1450 1750 60
811 F2 "Vout" I R 2300 1150 60
812 F3 "inputn" I L 1450 1200 60
813 F4 "inputp" I L 1450 1100 60
815 Text Notes 7050 6950 0 60 ~ 0
816 (c) 2012 by Sebastian Götte <s@jaseg.de>\nReleased under a Creative Commons by-sa license (creativecommons.org)\nNo warranty for anything. Try on your own risk. Or dont.
817 Text Notes 10650 7650 0 60 ~ 0
819 Text Notes 550 7650 0 60 ~ 0
820 Intended to be used with some microcontroller's internal ADC (e.g. an AVR's internal 10-12 bit ADC)
821 Text Notes 550 7500 0 60 ~ 0
822 Modeled after http://people.ece.cornell.edu/land/courses/ece4760/FinalProjects/s2012/cwm55/cwm55_mj294/index.html#
823 Text Notes 7350 7550 0 60 ~ 0
824 Modular, µC-based EEG