EESchema Schematic File Version 2
LIBS:power
LIBS:device
LIBS:transistors
LIBS:conn
LIBS:linear
LIBS:regul
LIBS:74xx
LIBS:cmos4000
LIBS:adc-dac
LIBS:memory
LIBS:xilinx
LIBS:microcontrollers
LIBS:dsp
LIBS:microchip
LIBS:analog_switches
LIBS:motorola
LIBS:texas
LIBS:intel
LIBS:audio
LIBS:interface
LIBS:digital-audio
LIBS:philips
LIBS:display
LIBS:cypress
LIBS:siliconi
LIBS:opto
LIBS:atmel
LIBS:contrib
LIBS:valves
LIBS:diy_regulators
LIBS:diy_switches
LIBS:diy_tubes
LIBS:diy_triac
LIBS:diy_diodes
LIBS:diy_transistors
LIBS:diy_rcl
LIBS:diy_ics
LIBS:diy_connectors
LIBS:diy_transformers
LIBS:Devices-BJH
LIBS:pulse-cache
EELAYER 25 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L LM358 U1
U 1 1 57D76773
P 1750 1600
F 0 "U1" H 1700 1800 50  0000 L CNN
F 1 "LM358" H 1700 1350 50  0000 L CNN
F 2 "SMD_Packages:SOIC-8-N" H 1750 1600 50  0001 C CNN
F 3 "" H 1750 1600 50  0000 C CNN
	1    1750 1600
	1    0    0    -1  
$EndComp
$Comp
L R R2
U 1 1 57D76813
P 1700 850
F 0 "R2" V 1780 850 50  0000 C CNN
F 1 "2M" V 1700 850 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 1630 850 50  0001 C CNN
F 3 "" H 1700 850 50  0000 C CNN
	1    1700 850 
	0    1    1    0   
$EndComp
$Comp
L GND #PWR01
U 1 1 57D7686E
P 1650 1900
F 0 "#PWR01" H 1650 1650 50  0001 C CNN
F 1 "GND" H 1650 1750 50  0000 C CNN
F 2 "" H 1650 1900 50  0000 C CNN
F 3 "" H 1650 1900 50  0000 C CNN
	1    1650 1900
	1    0    0    -1  
$EndComp
$Comp
L VCC #PWR02
U 1 1 57D76886
P 1650 1300
F 0 "#PWR02" H 1650 1150 50  0001 C CNN
F 1 "VCC" H 1650 1450 50  0000 C CNN
F 2 "" H 1650 1300 50  0000 C CNN
F 3 "" H 1650 1300 50  0000 C CNN
	1    1650 1300
	1    0    0    -1  
$EndComp
Wire Wire Line
	1850 850  2050 850 
Wire Wire Line
	2050 850  2050 1600
Wire Wire Line
	900  850  1550 850 
$Comp
L GND #PWR03
U 1 1 57D768F4
P 900 1900
F 0 "#PWR03" H 900 1650 50  0001 C CNN
F 1 "GND" H 900 1750 50  0000 C CNN
F 2 "" H 900 1900 50  0000 C CNN
F 3 "" H 900 1900 50  0000 C CNN
	1    900  1900
	1    0    0    -1  
$EndComp
Wire Wire Line
	900  1700 1450 1700
$Comp
L LM193 U5
U 1 1 57D76984
P 4650 1900
F 0 "U5" H 4800 2050 50  0000 C CNN
F 1 "LM193" H 4900 1750 50  0000 C CNN
F 2 "SMD_Packages:SOIC-8-N" H 4650 1900 50  0001 C CNN
F 3 "" H 4650 1900 50  0000 C CNN
	1    4650 1900
	1    0    0    -1  
$EndComp
$Comp
L VCC #PWR04
U 1 1 57D769F9
P 3500 1400
F 0 "#PWR04" H 3500 1250 50  0001 C CNN
F 1 "VCC" H 3500 1550 50  0000 C CNN
F 2 "" H 3500 1400 50  0000 C CNN
F 3 "" H 3500 1400 50  0000 C CNN
	1    3500 1400
	1    0    0    -1  
$EndComp
$Comp
L VCC #PWR05
U 1 1 57D76A20
P 4550 1600
F 0 "#PWR05" H 4550 1450 50  0001 C CNN
F 1 "VCC" H 4550 1750 50  0000 C CNN
F 2 "" H 4550 1600 50  0000 C CNN
F 3 "" H 4550 1600 50  0000 C CNN
	1    4550 1600
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR06
U 1 1 57D76A3F
P 3500 1800
F 0 "#PWR06" H 3500 1550 50  0001 C CNN
F 1 "GND" H 3500 1650 50  0000 C CNN
F 2 "" H 3500 1800 50  0000 C CNN
F 3 "" H 3500 1800 50  0000 C CNN
	1    3500 1800
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR07
U 1 1 57D76A56
P 4550 2200
F 0 "#PWR07" H 4550 1950 50  0001 C CNN
F 1 "GND" H 4550 2050 50  0000 C CNN
F 2 "" H 4550 2200 50  0000 C CNN
F 3 "" H 4550 2200 50  0000 C CNN
	1    4550 2200
	1    0    0    -1  
$EndComp
Wire Wire Line
	4000 1600 4200 1600
Wire Wire Line
	4200 1600 4200 1800
Wire Wire Line
	4200 1800 4350 1800
$Comp
L VCC #PWR08
U 1 1 57D77CCE
P 3100 2200
F 0 "#PWR08" H 3100 2050 50  0001 C CNN
F 1 "VCC" H 3100 2350 50  0000 C CNN
F 2 "" H 3100 2200 50  0000 C CNN
F 3 "" H 3100 2200 50  0000 C CNN
	1    3100 2200
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR09
U 1 1 57D77CE8
P 3100 2800
F 0 "#PWR09" H 3100 2550 50  0001 C CNN
F 1 "GND" H 3100 2650 50  0000 C CNN
F 2 "" H 3100 2800 50  0000 C CNN
F 3 "" H 3100 2800 50  0000 C CNN
	1    3100 2800
	1    0    0    -1  
$EndComp
Wire Wire Line
	3500 2500 4200 2500
Wire Wire Line
	4200 2500 4200 2000
Wire Wire Line
	4200 2000 4350 2000
$Comp
L LM358 U1
U 2 1 57D77FB1
P 1950 4250
F 0 "U1" H 1900 4450 50  0000 L CNN
F 1 "LM358" H 1900 4000 50  0000 L CNN
F 2 "SMD_Packages:SOIC-8-N" H 1950 4250 50  0001 C CNN
F 3 "" H 1950 4250 50  0000 C CNN
	2    1950 4250
	1    0    0    -1  
$EndComp
$Comp
L R R3
U 1 1 57D781EA
P 1850 3700
F 0 "R3" V 1930 3700 50  0000 C CNN
F 1 "10k" V 1850 3700 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 1780 3700 50  0001 C CNN
F 3 "" H 1850 3700 50  0000 C CNN
	1    1850 3700
	0    1    1    0   
$EndComp
$Comp
L R R4
U 1 1 57D78511
P 1850 4800
F 0 "R4" V 1930 4800 50  0000 C CNN
F 1 "175k" V 1850 4800 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 1780 4800 50  0001 C CNN
F 3 "" H 1850 4800 50  0000 C CNN
	1    1850 4800
	0    1    1    0   
$EndComp
$Comp
L C C1
U 1 1 57D7856F
P 1150 3700
F 0 "C1" H 1175 3800 50  0000 L CNN
F 1 "1uF" H 1175 3600 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805" H 1188 3550 50  0001 C CNN
F 3 "" H 1150 3700 50  0000 C CNN
	1    1150 3700
	0    1    1    0   
$EndComp
$Comp
L R R1
U 1 1 57D78622
P 1150 4800
F 0 "R1" V 1230 4800 50  0000 C CNN
F 1 "100k" V 1150 4800 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 1080 4800 50  0001 C CNN
F 3 "" H 1150 4800 50  0000 C CNN
	1    1150 4800
	0    1    1    0   
$EndComp
Wire Wire Line
	1300 3700 1700 3700
Wire Wire Line
	2000 3700 2250 3700
Wire Wire Line
	2250 3700 2250 4800
Wire Wire Line
	1650 3700 1650 4150
Connection ~ 1650 3700
Wire Wire Line
	1300 4800 1700 4800
Wire Wire Line
	2250 4800 2000 4800
Connection ~ 2250 4250
Wire Wire Line
	1650 4350 1650 4800
Connection ~ 1650 4800
$Comp
L GND #PWR010
U 1 1 57D78747
P 900 3750
F 0 "#PWR010" H 900 3500 50  0001 C CNN
F 1 "GND" H 900 3600 50  0000 C CNN
F 2 "" H 900 3750 50  0000 C CNN
F 3 "" H 900 3750 50  0000 C CNN
	1    900  3750
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR011
U 1 1 57D78770
P 900 4900
F 0 "#PWR011" H 900 4650 50  0001 C CNN
F 1 "GND" H 900 4750 50  0000 C CNN
F 2 "" H 900 4900 50  0000 C CNN
F 3 "" H 900 4900 50  0000 C CNN
	1    900  4900
	1    0    0    -1  
$EndComp
Wire Wire Line
	1000 4800 900  4800
Wire Wire Line
	900  4800 900  4900
Wire Wire Line
	1000 3700 900  3700
Wire Wire Line
	900  3700 900  3750
$Comp
L GND #PWR012
U 1 1 57D787E3
P 1850 4550
F 0 "#PWR012" H 1850 4300 50  0001 C CNN
F 1 "GND" H 1850 4400 50  0000 C CNN
F 2 "" H 1850 4550 50  0000 C CNN
F 3 "" H 1850 4550 50  0000 C CNN
	1    1850 4550
	1    0    0    -1  
$EndComp
$Comp
L VCC #PWR013
U 1 1 57D7880C
P 2100 3900
F 0 "#PWR013" H 2100 3750 50  0001 C CNN
F 1 "VCC" H 2100 4050 50  0000 C CNN
F 2 "" H 2100 3900 50  0000 C CNN
F 3 "" H 2100 3900 50  0000 C CNN
	1    2100 3900
	1    0    0    -1  
$EndComp
Wire Wire Line
	1850 3950 2100 3950
Wire Wire Line
	2100 3950 2100 3900
Text GLabel 2550 4250 2    60   Input ~ 0
OSC_OUT
Wire Wire Line
	2250 4250 2550 4250
$Comp
L 74AHC1G14 U2
U 1 1 57D78BE7
P 3000 4650
F 0 "U2" H 3145 4765 50  0000 C CNN
F 1 "74AHC1G14" H 3200 4550 50  0000 C CNN
F 2 "TO_SOT_Packages_SMD:SOT-353" H 3095 4515 50  0001 C CNN
F 3 "" H 3145 4765 50  0000 C CNN
	1    3000 4650
	1    0    0    -1  
$EndComp
Wire Wire Line
	2450 4250 2450 4650
Wire Wire Line
	2450 4650 2550 4650
Connection ~ 2450 4250
Text GLabel 3650 4650 2    60   Input ~ 0
TIMING_OUT
Wire Wire Line
	3650 4650 3450 4650
Wire Notes Line
	700  3450 4250 3450
Wire Notes Line
	700  3450 700  5250
Wire Notes Line
	700  5250 4250 5250
Wire Notes Line
	4250 5250 4250 3450
Text Notes 850  3550 0    60   ~ 12
Oscillator and Timing Generator
Text Notes 4750 3600 0    60   ~ 12
LED Driver\n
Text Notes 4750 3700 0    60   ~ 0
1/16 Duty Cycle
Text GLabel 5050 3800 0    60   Input ~ 0
TIMING_OUT
Text GLabel 5350 3800 2    60   Input ~ 0
LED_OUT
Wire Wire Line
	5350 3800 5050 3800
Wire Notes Line
	4400 3450 5900 3450
Wire Notes Line
	5900 3450 5900 4000
Wire Notes Line
	5900 4000 4400 4000
Wire Notes Line
	4400 4000 4400 3450
$Comp
L LM741 U3
U 1 1 57D7876D
P 3200 2500
F 0 "U3" H 3200 2750 50  0000 L CNN
F 1 "LM741" H 3200 2650 50  0000 L CNN
F 2 "Housings_DFN_QFN:DFN-6-1EP_2x2mm_Pitch0.5mm" H 3250 2550 50  0001 C CNN
F 3 "" H 3350 2650 50  0000 C CNN
	1    3200 2500
	1    0    0    -1  
$EndComp
Wire Wire Line
	3100 2200 2900 2200
Wire Wire Line
	2900 2200 2900 2400
Wire Wire Line
	3100 2800 2900 2800
Wire Wire Line
	2900 2800 2900 2600
$Comp
L PHOTODIODE D1
U 1 1 57D788F0
P 900 1500
F 0 "D1" H 800 1600 50  0000 C CNN
F 1 "PHOTODIODE" H 900 1400 50  0000 C CNN
F 2 "Pin_Headers:Pin_Header_Angled_1x02" H 900 1500 60  0001 C CNN
F 3 "" H 900 1500 60  0000 C CNN
	1    900  1500
	0    -1   -1   0   
$EndComp
Wire Wire Line
	1450 1500 1450 850 
Connection ~ 1450 850 
Wire Wire Line
	900  850  900  1300
Wire Wire Line
	900  1700 900  1900
Text Notes 950  750  0    60   ~ 12
Preamp
Text Notes 3400 1150 0    60   ~ 12
Buffer
Text Notes 4450 1350 0    60   ~ 12
Comparitor
$Comp
L 74AHC1G14 U4
U 1 1 57D76921
P 3550 1600
F 0 "U4" H 3695 1715 50  0000 C CNN
F 1 "74AHC1G14" H 3750 1500 50  0000 C CNN
F 2 "TO_SOT_Packages_SMD:SOT-353" H 3645 1465 50  0001 C CNN
F 3 "" H 3695 1715 50  0000 C CNN
	1    3550 1600
	1    0    0    -1  
$EndComp
$Comp
L C C2
U 1 1 57D7901D
P 2350 1600
F 0 "C2" H 2375 1700 50  0000 L CNN
F 1 "C" H 2375 1500 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805" H 2388 1450 50  0001 C CNN
F 3 "" H 2350 1600 50  0000 C CNN
	1    2350 1600
	0    1    1    0   
$EndComp
$Comp
L R R5
U 1 1 57D79054
P 2850 1600
F 0 "R5" V 2930 1600 50  0000 C CNN
F 1 "R" V 2850 1600 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 2780 1600 50  0001 C CNN
F 3 "" H 2850 1600 50  0000 C CNN
	1    2850 1600
	0    1    1    0   
$EndComp
Wire Wire Line
	2050 1600 2200 1600
Wire Wire Line
	2500 1600 2700 1600
Wire Wire Line
	3000 1600 3100 1600
Text GLabel 5150 1900 2    60   Input ~ 12
S
Wire Wire Line
	5150 1900 4950 1900
$Comp
L 74HC74 U7
U 1 1 57D799CB
P 6400 1300
F 0 "U7" H 6550 1600 50  0000 C CNN
F 1 "74HC74" H 6700 1005 50  0000 C CNN
F 2 "SMD_Packages:SOIC-14_N" H 6400 1300 50  0001 C CNN
F 3 "" H 6400 1300 50  0000 C CNN
	1    6400 1300
	1    0    0    -1  
$EndComp
$Comp
L 74HC74 U8
U 1 1 57D79A3D
P 9350 1300
F 0 "U8" H 9500 1600 50  0000 C CNN
F 1 "74HC74" H 9650 1005 50  0000 C CNN
F 2 "SMD_Packages:SOIC-14_N" H 9350 1300 50  0001 C CNN
F 3 "" H 9350 1300 50  0000 C CNN
	1    9350 1300
	1    0    0    -1  
$EndComp
Text GLabel 5650 1100 0    60   Input ~ 12
D
$Comp
L 74HC74 U7
U 2 1 57D79CA1
P 8000 1300
F 0 "U7" H 8150 1600 50  0000 C CNN
F 1 "74HC74" H 8300 1005 50  0000 C CNN
F 2 "SMD_Packages:SOIC-14_N" H 8000 1300 50  0001 C CNN
F 3 "" H 8000 1300 50  0000 C CNN
	2    8000 1300
	1    0    0    -1  
$EndComp
Wire Wire Line
	5650 1100 5800 1100
Wire Wire Line
	7000 1100 7400 1100
$Comp
L 74LS10 U9
U 1 1 57D79FF0
P 10300 2400
F 0 "U9" H 10300 2450 50  0000 C CNN
F 1 "74LS10" H 10300 2350 50  0000 C CNN
F 2 "SMD_Packages:SOIC-14_N" H 10300 2400 50  0001 C CNN
F 3 "" H 10300 2400 50  0000 C CNN
	1    10300 2400
	1    0    0    -1  
$EndComp
$Comp
L 74LS10 U9
U 2 1 57D7A039
P 10300 2950
F 0 "U9" H 10300 3000 50  0000 C CNN
F 1 "74LS10" H 10300 2900 50  0000 C CNN
F 2 "SMD_Packages:SOIC-14_N" H 10300 2950 50  0001 C CNN
F 3 "" H 10300 2950 50  0000 C CNN
	2    10300 2950
	1    0    0    -1  
$EndComp
Wire Wire Line
	7200 1100 7200 2550
Connection ~ 7200 1100
Wire Wire Line
	8600 1100 8750 1100
Wire Wire Line
	8650 1100 8650 2400
Connection ~ 8650 1100
Wire Wire Line
	7200 2550 9700 2550
Wire Wire Line
	8650 2400 9700 2400
Wire Wire Line
	9950 1100 10150 1100
Wire Wire Line
	10150 1100 10150 1900
Wire Wire Line
	10150 1900 9650 1900
Wire Wire Line
	9650 1900 9650 2250
Wire Wire Line
	9650 2250 9700 2250
Wire Wire Line
	7000 1500 7000 3100
Wire Wire Line
	7000 3100 9700 3100
Wire Wire Line
	8600 1500 8600 2950
Wire Wire Line
	8600 2950 9700 2950
Wire Wire Line
	9950 1500 9950 1850
Wire Wire Line
	9950 1850 9550 1850
Wire Wire Line
	9550 1850 9550 2800
Wire Wire Line
	9550 2800 9700 2800
$Comp
L 74LS00 U6
U 1 1 57D7A8BF
P 6200 2650
F 0 "U6" H 6200 2700 50  0000 C CNN
F 1 "74LS00" H 6200 2550 50  0000 C CNN
F 2 "SMD_Packages:SOIC-14_N" H 6200 2650 50  0001 C CNN
F 3 "" H 6200 2650 50  0000 C CNN
	1    6200 2650
	1    0    0    -1  
$EndComp
Text GLabel 5250 2550 0    60   Input ~ 12
U
Wire Wire Line
	5250 2550 5600 2550
Wire Wire Line
	6800 1300 6800 2650
Wire Wire Line
	5800 2400 8300 2400
Wire Wire Line
	5800 2400 5800 1300
Wire Wire Line
	6800 1300 7400 1300
Connection ~ 6800 2400
Wire Wire Line
	8300 2400 8300 1900
Wire Wire Line
	8300 1900 8750 1900
Wire Wire Line
	8750 1900 8750 1300
$Comp
L 74LS00 U6
U 2 1 57D7AB6C
P 10100 3550
F 0 "U6" H 10100 3600 50  0000 C CNN
F 1 "74LS00" H 10100 3450 50  0000 C CNN
F 2 "SMD_Packages:SOIC-14_N" H 10100 3550 50  0001 C CNN
F 3 "" H 10100 3550 50  0000 C CNN
	2    10100 3550
	-1   0    0    1   
$EndComp
$Comp
L 74LS00 U6
U 3 1 57D7AC29
P 10100 4100
F 0 "U6" H 10100 4150 50  0000 C CNN
F 1 "74LS00" H 10100 4000 50  0000 C CNN
F 2 "SMD_Packages:SOIC-14_N" H 10100 4100 50  0001 C CNN
F 3 "" H 10100 4100 50  0000 C CNN
	3    10100 4100
	-1   0    0    1   
$EndComp
Wire Wire Line
	10900 2400 11100 2400
Wire Wire Line
	11100 2400 11100 4200
Wire Wire Line
	11100 4200 10700 4200
Wire Wire Line
	10900 2950 10900 3450
Wire Wire Line
	10900 3450 10700 3450
Wire Wire Line
	9500 3550 9500 3800
Wire Wire Line
	9500 3800 10700 3800
Wire Wire Line
	10700 3800 10700 4000
Wire Wire Line
	9500 4100 9500 3850
Wire Wire Line
	9500 3850 10750 3850
Wire Wire Line
	10750 3850 10750 3650
Wire Wire Line
	10750 3650 10700 3650
Text GLabel 9050 3550 0    60   Input ~ 12
DISCRIM_OUT
Wire Wire Line
	9050 3550 9500 3550
$Comp
L CONN_01X02 P1
U 1 1 57D79859
P 6950 3850
F 0 "P1" H 6950 4000 50  0000 C CNN
F 1 "CONN_01X02" V 7050 3850 50  0000 C CNN
F 2 "Pin_Headers:Pin_Header_Angled_1x02" H 6950 3850 50  0001 C CNN
F 3 "" H 6950 3850 50  0000 C CNN
	1    6950 3850
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR014
U 1 1 57D798E3
P 6750 3900
F 0 "#PWR014" H 6750 3650 50  0001 C CNN
F 1 "GND" H 6750 3750 50  0000 C CNN
F 2 "" H 6750 3900 50  0000 C CNN
F 3 "" H 6750 3900 50  0000 C CNN
	1    6750 3900
	1    0    0    -1  
$EndComp
$Comp
L VCC #PWR015
U 1 1 57D799D4
P 6750 3800
F 0 "#PWR015" H 6750 3650 50  0001 C CNN
F 1 "VCC" H 6750 3950 50  0000 C CNN
F 2 "" H 6750 3800 50  0000 C CNN
F 3 "" H 6750 3800 50  0000 C CNN
	1    6750 3800
	1    0    0    -1  
$EndComp
$EndSCHEMATC
