268 lines
5.1 KiB
Plaintext
268 lines
5.1 KiB
Plaintext
EESchema Schematic File Version 2
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LIBS:power
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LIBS:device
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LIBS:transistors
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LIBS:conn
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LIBS:linear
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LIBS:regul
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LIBS:74xx
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LIBS:cmos4000
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LIBS:adc-dac
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LIBS:memory
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LIBS:xilinx
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LIBS:microcontrollers
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LIBS:dsp
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LIBS:microchip
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LIBS:analog_switches
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LIBS:motorola
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LIBS:texas
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LIBS:intel
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LIBS:audio
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LIBS:interface
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LIBS:digital-audio
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LIBS:philips
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LIBS:display
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LIBS:cypress
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LIBS:siliconi
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LIBS:opto
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LIBS:atmel
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LIBS:contrib
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LIBS:valves
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LIBS:nocko
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LIBS:bmi-8ch-cache
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EELAYER 25 0
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EELAYER END
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$Descr A4 11693 8268
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encoding utf-8
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Sheet 1 2
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Title ""
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Date "2017-03-23"
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Rev "AA"
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Comp ""
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Comment1 ""
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Comment2 ""
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Comment3 ""
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Comment4 ""
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$EndDescr
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$Sheet
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S 950 2350 950 750
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U 58D4647E
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F0 "channel0-1" 60
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F1 "channel0.sch" 60
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F2 "OUTPUT0" O R 1900 2450 87
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F3 "OUTPUT1" O R 1900 2800 87
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F4 "GUARD0" O R 1900 2600 87
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F5 "GUARD1" O R 1900 2950 87
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$EndSheet
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$Comp
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L CONN_01X02 J?
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U 1 1 58D57064
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P 7150 1100
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F 0 "J?" H 7150 1250 50 0000 C CNN
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F 1 "External 5V Ref" V 7250 1100 50 0000 C CNN
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F 2 "" H 7150 1100 50 0001 C CNN
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F 3 "" H 7150 1100 50 0001 C CNN
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1 7150 1100
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-1 0 0 1
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$EndComp
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$Comp
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L GNDA #PWR?
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U 1 1 58D5726E
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P 7350 1150
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F 0 "#PWR?" H 7350 900 50 0001 C CNN
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F 1 "GNDA" H 7350 1000 50 0000 C CNN
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F 2 "" H 7350 1150 50 0001 C CNN
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F 3 "" H 7350 1150 50 0001 C CNN
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1 7350 1150
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1 0 0 -1
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$EndComp
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Wire Wire Line
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7350 1050 7850 1050
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Wire Wire Line
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7850 1250 7850 1700
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Wire Wire Line
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7850 1700 8550 1700
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Wire Wire Line
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8550 1700 8550 1150
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Wire Wire Line
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8450 1150 8850 1150
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$Comp
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L GNDA #PWR?
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U 1 1 58D57376
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P 8050 1450
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F 0 "#PWR?" H 8050 1200 50 0001 C CNN
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F 1 "GNDA" H 8050 1300 50 0000 C CNN
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F 2 "" H 8050 1450 50 0001 C CNN
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F 3 "" H 8050 1450 50 0001 C CNN
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1 8050 1450
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1 0 0 -1
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$EndComp
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Text GLabel 8850 1150 2 87 Input ~ 0
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Vref
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Connection ~ 8550 1150
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$Comp
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L PWR_FLAG #FLG?
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U 1 1 58D574A1
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P 8750 1150
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F 0 "#FLG?" H 8750 1225 50 0001 C CNN
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F 1 "PWR_FLAG" H 8750 1300 50 0000 C CNN
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F 2 "" H 8750 1150 50 0001 C CNN
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F 3 "" H 8750 1150 50 0001 C CNN
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1 8750 1150
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1 0 0 -1
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$EndComp
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$Comp
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L R R?
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U 1 1 58D5759A
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P 8900 1400
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F 0 "R?" V 8980 1400 50 0000 C CNN
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F 1 "10k" V 8900 1400 50 0000 C CNN
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F 2 "" V 8830 1400 50 0001 C CNN
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F 3 "" H 8900 1400 50 0001 C CNN
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1 8900 1400
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0 1 1 0
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$EndComp
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$Comp
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L R R?
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U 1 1 58D57637
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P 9300 1400
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F 0 "R?" V 9380 1400 50 0000 C CNN
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F 1 "10k" V 9300 1400 50 0000 C CNN
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F 2 "" V 9230 1400 50 0001 C CNN
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F 3 "" H 9300 1400 50 0001 C CNN
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1 9300 1400
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0 1 1 0
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$EndComp
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Wire Wire Line
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8750 1150 8750 1400
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Connection ~ 8750 1150
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Wire Wire Line
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9050 1400 9150 1400
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Wire Wire Line
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9100 1400 9100 2000
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Connection ~ 9100 1400
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$Comp
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L GNDA #PWR?
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U 1 1 58D577C3
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P 9450 1400
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F 0 "#PWR?" H 9450 1150 50 0001 C CNN
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F 1 "GNDA" H 9450 1250 50 0000 C CNN
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F 2 "" H 9450 1400 50 0001 C CNN
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F 3 "" H 9450 1400 50 0001 C CNN
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1 9450 1400
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0 -1 -1 0
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$EndComp
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$Comp
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L GNDA #PWR?
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U 1 1 58D577F5
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P 9350 2400
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F 0 "#PWR?" H 9350 2150 50 0001 C CNN
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F 1 "GNDA" H 9350 2250 50 0000 C CNN
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F 2 "" H 9350 2400 50 0001 C CNN
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F 3 "" H 9350 2400 50 0001 C CNN
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1 9350 2400
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1 0 0 -1
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$EndComp
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Wire Wire Line
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9100 2000 9150 2000
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Wire Wire Line
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9150 2200 9150 2700
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Wire Wire Line
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9150 2700 9950 2700
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Wire Wire Line
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9950 2700 9950 2100
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Wire Wire Line
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9950 2100 9750 2100
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Text GLabel 9950 2100 2 87 Input ~ 0
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Vref/2
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$Comp
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L LP2985LV U?
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U 1 1 58D57CC7
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P 5000 1450
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F 0 "U?" H 5200 1000 50 0000 C CNN
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F 1 "LP2985LV" H 5000 1900 50 0000 C CNN
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F 2 "" H 5000 1450 50 0001 C CNN
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F 3 "" H 5000 1450 50 0001 C CNN
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1 5000 1450
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1 0 0 -1
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$EndComp
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$Comp
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L VBATT #PWR?
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U 1 1 58D57D74
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P 4200 1150
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F 0 "#PWR?" H 4200 1000 50 0001 C CNN
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F 1 "VBATT" H 4200 1300 50 0000 C CNN
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F 2 "" H 4200 1150 50 0000 C CNN
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F 3 "" H 4200 1150 50 0000 C CNN
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1 4200 1150
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1 0 0 -1
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$EndComp
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Wire Wire Line
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4200 1350 4200 1150
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$Comp
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L C C?
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U 1 1 58D57E78
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P 4050 1850
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F 0 "C?" H 4075 1950 50 0000 L CNN
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F 1 "10nF" H 4075 1750 50 0000 L CNN
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F 2 "" H 4088 1700 50 0001 C CNN
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F 3 "" H 4050 1850 50 0001 C CNN
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1 4050 1850
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1 0 0 -1
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$EndComp
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Wire Wire Line
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4050 2000 4050 2150
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Wire Wire Line
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4050 2150 5000 2150
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$Comp
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L GNDA #PWR?
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U 1 1 58D57FC1
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P 5000 2150
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F 0 "#PWR?" H 5000 1900 50 0001 C CNN
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F 1 "GNDA" H 5000 2000 50 0000 C CNN
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F 2 "" H 5000 2150 50 0001 C CNN
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F 3 "" H 5000 2150 50 0001 C CNN
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1 5000 2150
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1 0 0 -1
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$EndComp
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Wire Wire Line
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4050 1700 4050 1650
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Wire Wire Line
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4050 1650 4200 1650
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$Comp
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L +5V #PWR?
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U 1 1 58D58154
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P 5950 1150
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F 0 "#PWR?" H 5950 1000 50 0001 C CNN
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F 1 "+5V" H 5950 1290 50 0000 C CNN
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F 2 "" H 5950 1150 50 0001 C CNN
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F 3 "" H 5950 1150 50 0001 C CNN
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1 5950 1150
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1 0 0 -1
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$EndComp
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Wire Wire Line
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5800 1150 5950 1150
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$Comp
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L VBATT #PWR?
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U 1 1 58D58272
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P 8050 850
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F 0 "#PWR?" H 8050 700 50 0001 C CNN
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F 1 "VBATT" H 8050 1000 50 0000 C CNN
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F 2 "" H 8050 850 50 0000 C CNN
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F 3 "" H 8050 850 50 0000 C CNN
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1 8050 850
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1 0 0 -1
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$EndComp
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$Comp
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L VBATT #PWR?
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U 1 1 58D58313
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P 9350 1800
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F 0 "#PWR?" H 9350 1650 50 0001 C CNN
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F 1 "VBATT" H 9350 1950 50 0000 C CNN
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F 2 "" H 9350 1800 50 0000 C CNN
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F 3 "" H 9350 1800 50 0000 C CNN
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1 9350 1800
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1 0 0 -1
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$EndComp
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$EndSCHEMATC
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