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:special
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:RedunDC
LIBS:RedunDC-cache
EELAYER 27 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title ""
Date "31 mar 2015"
Rev "1"
Comp "Radio Helsinki: RedunDC"
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L FUSE F2
U 1 1 551ADED1
P 8100 2800
F 0 "F2" H 8200 2850 40  0000 C CNN
F 1 "Polyfuse" H 8100 2650 40  0000 C CNN
F 2 "~" H 8100 2800 60  0000 C CNN
F 3 "~" H 8100 2800 60  0000 C CNN
	1    8100 2800
	1    0    0    -1  
$EndComp
$Comp
L FUSE F1
U 1 1 551ADEE0
P 3900 2800
F 0 "F1" H 4000 2850 40  0000 C CNN
F 1 "Polyfuse" H 3900 2650 40  0000 C CNN
F 2 "~" H 3900 2800 60  0000 C CNN
F 3 "~" H 3900 2800 60  0000 C CNN
	1    3900 2800
	1    0    0    -1  
$EndComp
$Comp
L ZENER D1
U 1 1 551ADF4F
P 4350 3450
F 0 "D1" H 4350 3550 50  0000 C CNN
F 1 "TVS" H 4350 3350 40  0000 C CNN
F 2 "~" H 4350 3450 60  0000 C CNN
F 3 "~" H 4350 3450 60  0000 C CNN
	1    4350 3450
	0    -1   -1   0   
$EndComp
$Comp
L DIODESCH D3
U 1 1 551ADF5E
P 5200 2800
F 0 "D3" H 5200 2900 40  0000 C CNN
F 1 "DIODESCH" H 5200 2700 40  0000 C CNN
F 2 "~" H 5200 2800 60  0000 C CNN
F 3 "~" H 5200 2800 60  0000 C CNN
	1    5200 2800
	1    0    0    -1  
$EndComp
$Comp
L DIODESCH D4
U 1 1 551ADF6B
P 6700 2800
F 0 "D4" H 6700 2700 40  0000 C CNN
F 1 "DIODESCH" H 6700 2900 40  0000 C CNN
F 2 "~" H 6700 2800 60  0000 C CNN
F 3 "~" H 6700 2800 60  0000 C CNN
	1    6700 2800
	-1   0    0    1   
$EndComp
$Comp
L ZENER D6
U 1 1 551ADF85
P 7650 3500
F 0 "D6" H 7650 3600 50  0000 C CNN
F 1 "TVS" H 7650 3400 40  0000 C CNN
F 2 "~" H 7650 3500 60  0000 C CNN
F 3 "~" H 7650 3500 60  0000 C CNN
	1    7650 3500
	0    -1   -1   0   
$EndComp
$Comp
L LED D5
U 1 1 551ADFCB
P 7100 3800
F 0 "D5" H 7100 3900 50  0000 C CNN
F 1 "LED" H 7100 3700 50  0000 C CNN
F 2 "~" H 7100 3800 60  0000 C CNN
F 3 "~" H 7100 3800 60  0000 C CNN
	1    7100 3800
	0    1    1    0   
$EndComp
$Comp
L R R2
U 1 1 551ADFF8
P 7100 3250
F 0 "R2" V 7180 3250 40  0000 C CNN
F 1 "R" V 7107 3251 40  0000 C CNN
F 2 "~" V 7030 3250 30  0000 C CNN
F 3 "~" H 7100 3250 30  0000 C CNN
	1    7100 3250
	1    0    0    -1  
$EndComp
$Comp
L LED D2
U 1 1 551AE00F
P 4800 3800
F 0 "D2" H 4800 3900 50  0000 C CNN
F 1 "LED" H 4800 3700 50  0000 C CNN
F 2 "~" H 4800 3800 60  0000 C CNN
F 3 "~" H 4800 3800 60  0000 C CNN
	1    4800 3800
	0    1    1    0   
$EndComp
$Comp
L R R1
U 1 1 551AE015
P 4800 3250
F 0 "R1" V 4880 3250 40  0000 C CNN
F 1 "R" V 4807 3251 40  0000 C CNN
F 2 "~" V 4730 3250 30  0000 C CNN
F 3 "~" H 4800 3250 30  0000 C CNN
	1    4800 3250
	1    0    0    -1  
$EndComp
$Comp
L CP1 C1
U 1 1 551AE068
P 6100 2500
F 0 "C1" H 6150 2600 50  0000 L CNN
F 1 "CP1" H 6150 2400 50  0000 L CNN
F 2 "~" H 6100 2500 60  0000 C CNN
F 3 "~" H 6100 2500 60  0000 C CNN
	1    6100 2500
	0    -1   -1   0   
$EndComp
$Comp
L CONN_2 P2
U 1 1 551AE0C7
P 5950 1750
F 0 "P2" V 5900 1750 40  0000 C CNN
F 1 "Vout" V 6000 1750 40  0000 C CNN
F 2 "" H 5950 1750 60  0000 C CNN
F 3 "" H 5950 1750 60  0000 C CNN
	1    5950 1750
	0    -1   -1   0   
$EndComp
$Comp
L CONN_2 P3
U 1 1 551AE0FE
P 8950 2900
F 0 "P3" V 8900 2900 40  0000 C CNN
F 1 "Vin2" V 9000 2900 40  0000 C CNN
F 2 "" H 8950 2900 60  0000 C CNN
F 3 "" H 8950 2900 60  0000 C CNN
	1    8950 2900
	1    0    0    -1  
$EndComp
$Comp
L CONN_2 P1
U 1 1 551AE10D
P 3050 2900
F 0 "P1" V 3000 2900 40  0000 C CNN
F 1 "Vin1" V 3100 2900 40  0000 C CNN
F 2 "" H 3050 2900 60  0000 C CNN
F 3 "" H 3050 2900 60  0000 C CNN
	1    3050 2900
	-1   0    0    -1  
$EndComp
$Comp
L CONN_3 K1
U 1 1 551AE11C
P 7200 4900
F 0 "K1" V 7150 4900 50  0000 C CNN
F 1 "STATUS" V 7250 4900 40  0000 C CNN
F 2 "" H 7200 4900 60  0000 C CNN
F 3 "" H 7200 4900 60  0000 C CNN
	1    7200 4900
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR01
U 1 1 551AE12B
P 6800 5050
F 0 "#PWR01" H 6800 5050 30  0001 C CNN
F 1 "GND" H 6800 4980 30  0001 C CNN
F 2 "" H 6800 5050 60  0000 C CNN
F 3 "" H 6800 5050 60  0000 C CNN
	1    6800 5050
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR02
U 1 1 551AE138
P 7100 4050
F 0 "#PWR02" H 7100 4050 30  0001 C CNN
F 1 "GND" H 7100 3980 30  0001 C CNN
F 2 "" H 7100 4050 60  0000 C CNN
F 3 "" H 7100 4050 60  0000 C CNN
	1    7100 4050
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR03
U 1 1 551AE13E
P 7650 4050
F 0 "#PWR03" H 7650 4050 30  0001 C CNN
F 1 "GND" H 7650 3980 30  0001 C CNN
F 2 "" H 7650 4050 60  0000 C CNN
F 3 "" H 7650 4050 60  0000 C CNN
	1    7650 4050
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR04
U 1 1 551AE144
P 4800 4050
F 0 "#PWR04" H 4800 4050 30  0001 C CNN
F 1 "GND" H 4800 3980 30  0001 C CNN
F 2 "" H 4800 4050 60  0000 C CNN
F 3 "" H 4800 4050 60  0000 C CNN
	1    4800 4050
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR05
U 1 1 551AE14A
P 4350 4050
F 0 "#PWR05" H 4350 4050 30  0001 C CNN
F 1 "GND" H 4350 3980 30  0001 C CNN
F 2 "" H 4350 4050 60  0000 C CNN
F 3 "" H 4350 4050 60  0000 C CNN
	1    4350 4050
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR06
U 1 1 551AE150
P 3450 3050
F 0 "#PWR06" H 3450 3050 30  0001 C CNN
F 1 "GND" H 3450 2980 30  0001 C CNN
F 2 "" H 3450 3050 60  0000 C CNN
F 3 "" H 3450 3050 60  0000 C CNN
	1    3450 3050
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR07
U 1 1 551AE160
P 8550 3050
F 0 "#PWR07" H 8550 3050 30  0001 C CNN
F 1 "GND" H 8550 2980 30  0001 C CNN
F 2 "" H 8550 3050 60  0000 C CNN
F 3 "" H 8550 3050 60  0000 C CNN
	1    8550 3050
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR08
U 1 1 551AE166
P 6350 2500
F 0 "#PWR08" H 6350 2500 30  0001 C CNN
F 1 "GND" H 6350 2430 30  0001 C CNN
F 2 "" H 6350 2500 60  0000 C CNN
F 3 "" H 6350 2500 60  0000 C CNN
	1    6350 2500
	0    -1   -1   0   
$EndComp
$Comp
L GND #PWR09
U 1 1 551AE16C
P 6350 2150
F 0 "#PWR09" H 6350 2150 30  0001 C CNN
F 1 "GND" H 6350 2080 30  0001 C CNN
F 2 "" H 6350 2150 60  0000 C CNN
F 3 "" H 6350 2150 60  0000 C CNN
	1    6350 2150
	0    -1   -1   0   
$EndComp
$Comp
L C C2
U 1 1 551AE174
P 6450 4350
F 0 "C2" H 6450 4450 40  0000 L CNN
F 1 "100nF" H 6456 4265 40  0000 L CNN
F 2 "~" H 6488 4200 30  0000 C CNN
F 3 "~" H 6450 4350 60  0000 C CNN
	1    6450 4350
	1    0    0    -1  
$EndComp
$Comp
L VCC #PWR010
U 1 1 551AE190
P 6450 4050
F 0 "#PWR010" H 6450 4150 30  0001 C CNN
F 1 "VCC" H 6450 4150 30  0000 C CNN
F 2 "" H 6450 4050 60  0000 C CNN
F 3 "" H 6450 4050 60  0000 C CNN
	1    6450 4050
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR011
U 1 1 551AE196
P 6450 4600
F 0 "#PWR011" H 6450 4600 30  0001 C CNN
F 1 "GND" H 6450 4530 30  0001 C CNN
F 2 "" H 6450 4600 60  0000 C CNN
F 3 "" H 6450 4600 60  0000 C CNN
	1    6450 4600
	1    0    0    -1  
$EndComp
$Comp
L M74VHC1GT08 U1
U 1 1 551AE3F4
P 5900 4100
F 0 "U1" H 6100 4250 60  0000 C CNN
F 1 "M74VHC1GT08" H 6250 4400 60  0000 C CNN
F 2 "~" H 5900 4100 60  0000 C CNN
F 3 "~" H 5900 4100 60  0000 C CNN
	1    5900 4100
	0    1    1    0   
$EndComp
$Comp
L VCC #PWR012
U 1 1 551AE415
P 6800 4750
F 0 "#PWR012" H 6800 4850 30  0001 C CNN
F 1 "VCC" H 6800 4850 30  0000 C CNN
F 2 "" H 6800 4750 60  0000 C CNN
F 3 "" H 6800 4750 60  0000 C CNN
	1    6800 4750
	1    0    0    -1  
$EndComp
Wire Wire Line
	3400 3000 3450 3000
Wire Wire Line
	3450 3000 3450 3050
Wire Wire Line
	3400 2800 3650 2800
Wire Wire Line
	4150 2800 5000 2800
Wire Wire Line
	5400 2800 6500 2800
Wire Wire Line
	5850 2800 5850 2100
Connection ~ 5850 2800
Wire Wire Line
	6900 2800 7850 2800
Wire Wire Line
	7100 2800 7100 3000
Connection ~ 7100 2800
Wire Wire Line
	8600 2800 8350 2800
Wire Wire Line
	8600 3000 8550 3000
Wire Wire Line
	8550 3000 8550 3050
Wire Wire Line
	5850 2500 5900 2500
Connection ~ 5850 2500
Wire Wire Line
	6300 2500 6350 2500
Wire Wire Line
	6050 2100 6050 2150
Wire Wire Line
	6050 2150 6350 2150
Wire Wire Line
	4800 3000 4800 2800
Connection ~ 4800 2800
Wire Wire Line
	4350 3250 4350 2800
Connection ~ 4350 2800
Wire Wire Line
	4350 4050 4350 3650
Wire Wire Line
	4800 4050 4800 4000
Wire Wire Line
	4800 3600 4800 3500
Wire Wire Line
	7650 3300 7650 2800
Connection ~ 7650 2800
Wire Wire Line
	7650 4050 7650 3700
Wire Wire Line
	7100 4050 7100 4000
Wire Wire Line
	7100 3600 7100 3500
Wire Wire Line
	7100 3550 6050 3550
Wire Wire Line
	6050 3550 6050 3600
Connection ~ 7100 3550
Wire Wire Line
	5750 3600 5750 3550
Wire Wire Line
	5750 3550 4800 3550
Connection ~ 4800 3550
Wire Wire Line
	6300 4100 6450 4100
Wire Wire Line
	6450 4050 6450 4150
Connection ~ 6450 4100
Wire Wire Line
	6450 4600 6450 4550
Wire Wire Line
	6850 4900 5900 4900
Wire Wire Line
	5900 4900 5900 4600
Wire Wire Line
	6850 4800 6800 4800
Wire Wire Line
	6800 4800 6800 4750
Wire Wire Line
	6850 5000 6800 5000
Wire Wire Line
	6800 5000 6800 5050
$Comp
L GND #PWR013
U 1 1 551AE7A0
P 5450 4150
F 0 "#PWR013" H 5450 4150 30  0001 C CNN
F 1 "GND" H 5450 4080 30  0001 C CNN
F 2 "" H 5450 4150 60  0000 C CNN
F 3 "" H 5450 4150 60  0000 C CNN
	1    5450 4150
	1    0    0    -1  
$EndComp
Wire Wire Line
	5500 4100 5450 4100
Wire Wire Line
	5450 4100 5450 4150
$EndSCHEMATC