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:RedunDC LIBS:RedunDC-cache EELAYER 25 0 EELAYER END $Descr A4 11693 8268 encoding utf-8 Sheet 1 1 Title "" Date "16 jun 2015" Rev "2" Comp "Radio Helsinki: RedunDC" Comment1 "" Comment2 "" Comment3 "" Comment4 "" $EndDescr $Comp L FUSE F2 U 1 1 551ADED1 P 8300 2800 F 0 "F2" H 8400 2850 40 0000 C CNN F 1 "Polyfuse" H 8300 2650 40 0000 C CNN F 2 "RedunDC:LF2016L" H 8300 2800 60 0001 C CNN F 3 "~" H 8300 2800 60 0000 C CNN 1 8300 2800 1 0 0 -1 $EndComp $Comp L FUSE F1 U 1 1 551ADEE0 P 3700 2800 F 0 "F1" H 3800 2850 40 0000 C CNN F 1 "Polyfuse" H 3700 2650 40 0000 C CNN F 2 "RedunDC:LF2016L" H 3700 2800 60 0001 C CNN F 3 "~" H 3700 2800 60 0000 C CNN 1 3700 2800 1 0 0 -1 $EndComp $Comp L ZENER D1 U 1 1 551ADF4F P 4050 3450 F 0 "D1" H 4050 3550 50 0000 C CNN F 1 "TVS" H 4050 3350 40 0000 C CNN F 2 "SMD_Packages:SMD-2010_Pol" H 4050 3450 60 0001 C CNN F 3 "~" H 4050 3450 60 0000 C CNN 1 4050 3450 0 1 1 0 $EndComp $Comp L D_Schottky 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 "RedunDC:DO-214AC" H 5200 2800 60 0001 C CNN F 3 "~" H 5200 2800 60 0000 C CNN 1 5200 2800 -1 0 0 1 $EndComp $Comp L D_Schottky 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 "RedunDC:DO-214AC" H 6700 2800 60 0001 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 7950 3500 F 0 "D6" H 7950 3600 50 0000 C CNN F 1 "TVS" H 7950 3400 40 0000 C CNN F 2 "SMD_Packages:SMD-2010_Pol" H 7950 3500 60 0001 C CNN F 3 "~" H 7950 3500 60 0000 C CNN 1 7950 3500 0 1 1 0 $EndComp $Comp L LED D5 U 1 1 551ADFCB P 7525 3700 F 0 "D5" H 7525 3800 50 0000 C CNN F 1 "LED" H 7525 3600 50 0000 C CNN F 2 "LEDs:LED-3MM" H 7525 3700 60 0001 C CNN F 3 "~" H 7525 3700 60 0000 C CNN 1 7525 3700 0 -1 -1 0 $EndComp $Comp L R R2 U 1 1 551ADFF8 P 7100 3150 F 0 "R2" V 7180 3150 40 0000 C CNN F 1 "Ra" V 7107 3151 40 0000 C CNN F 2 "Resistors_SMD:R_0805" V 7030 3150 30 0001 C CNN F 3 "~" H 7100 3150 30 0000 C CNN 1 7100 3150 1 0 0 -1 $EndComp $Comp L LED D2 U 1 1 551AE00F P 4425 3700 F 0 "D2" H 4425 3800 50 0000 C CNN F 1 "LED" H 4425 3600 50 0000 C CNN F 2 "LEDs:LED-3MM" H 4425 3700 60 0001 C CNN F 3 "~" H 4425 3700 60 0000 C CNN 1 4425 3700 0 -1 -1 0 $EndComp $Comp L R R1 U 1 1 551AE015 P 4800 3150 F 0 "R1" V 4880 3150 40 0000 C CNN F 1 "Ra" V 4807 3151 40 0000 C CNN F 2 "Resistors_SMD:R_0805" V 4730 3150 30 0001 C CNN F 3 "~" H 4800 3150 30 0000 C CNN 1 4800 3150 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 "Cout" H 6150 2400 50 0000 L CNN F 2 "Capacitors_Tantalum_SMD:TantalC_SizeD_EIA-7343_Reflow" H 6100 2500 60 0001 C CNN F 3 "~" H 6100 2500 60 0000 C CNN 1 6100 2500 0 -1 -1 0 $EndComp $Comp L CONN_01X02 P2 U 1 1 551AE0C7 P 5900 1900 F 0 "P2" V 5850 1900 40 0000 C CNN F 1 "Vout" V 5950 1900 40 0000 C CNN F 2 "RedunDC:Screwblock" H 5900 1900 60 0001 C CNN F 3 "" H 5900 1900 60 0000 C CNN 1 5900 1900 0 -1 -1 0 $EndComp $Comp L CONN_01X02 P3 U 1 1 551AE0FE P 8800 2850 F 0 "P3" V 8750 2850 40 0000 C CNN F 1 "Vin2" V 8850 2850 40 0000 C CNN F 2 "RedunDC:Screwblock_DC" H 8800 2850 60 0001 C CNN F 3 "" H 8800 2850 60 0000 C CNN 1 8800 2850 1 0 0 -1 $EndComp $Comp L CONN_01X02 P1 U 1 1 551AE10D P 3200 2850 F 0 "P1" V 3150 2850 40 0000 C CNN F 1 "Vin1" V 3250 2850 40 0000 C CNN F 2 "RedunDC:Screwblock_DC" H 3200 2850 60 0001 C CNN F 3 "" H 3200 2850 60 0000 C CNN 1 3200 2850 -1 0 0 -1 $EndComp $Comp L CONN_01X03 K1 U 1 1 551AE11C P 8350 5650 F 0 "K1" H 8350 5850 50 0000 C CNN F 1 "STATUS" V 8450 5650 40 0000 C CNN F 2 "Pin_Headers:Pin_Header_Straight_1x03" H 8350 5650 60 0001 C CNN F 3 "" H 8350 5650 60 0000 C CNN 1 8350 5650 1 0 0 -1 $EndComp $Comp L GND #PWR01 U 1 1 551AE12B P 8100 5800 F 0 "#PWR01" H 8100 5800 30 0001 C CNN F 1 "GND" H 8100 5730 30 0001 C CNN F 2 "" H 8100 5800 60 0000 C CNN F 3 "" H 8100 5800 60 0000 C CNN 1 8100 5800 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 7950 4050 F 0 "#PWR03" H 7950 4050 30 0001 C CNN F 1 "GND" H 7950 3980 30 0001 C CNN F 2 "" H 7950 4050 60 0000 C CNN F 3 "" H 7950 4050 60 0000 C CNN 1 7950 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 4050 4050 F 0 "#PWR05" H 4050 4050 30 0001 C CNN F 1 "GND" H 4050 3980 30 0001 C CNN F 2 "" H 4050 4050 60 0000 C CNN F 3 "" H 4050 4050 60 0000 C CNN 1 4050 4050 1 0 0 -1 $EndComp $Comp L GND #PWR06 U 1 1 551AE150 P 3450 2950 F 0 "#PWR06" H 3450 2950 30 0001 C CNN F 1 "GND" H 3450 2880 30 0001 C CNN F 2 "" H 3450 2950 60 0000 C CNN F 3 "" H 3450 2950 60 0000 C CNN 1 3450 2950 1 0 0 -1 $EndComp $Comp L GND #PWR07 U 1 1 551AE160 P 8550 2950 F 0 "#PWR07" H 8550 2950 30 0001 C CNN F 1 "GND" H 8550 2880 30 0001 C CNN F 2 "" H 8550 2950 60 0000 C CNN F 3 "" H 8550 2950 60 0000 C CNN 1 8550 2950 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 4300 F 0 "C2" H 6450 4400 40 0000 L CNN F 1 "100nF" H 6456 4215 40 0000 L CNN F 2 "Capacitors_SMD:C_0805" H 6488 4150 30 0001 C CNN F 3 "~" H 6450 4300 60 0000 C CNN 1 6450 4300 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 4175 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 4500 F 0 "#PWR011" H 6450 4500 30 0001 C CNN F 1 "GND" H 6450 4430 30 0001 C CNN F 2 "" H 6450 4500 60 0000 C CNN F 3 "" H 6450 4500 60 0000 C CNN 1 6450 4500 1 0 0 -1 $EndComp $Comp L GND #PWR012 U 1 1 551AE7A0 P 5450 4150 F 0 "#PWR012" 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 $Comp L VCC #PWR013 U 1 1 551C2A2E P 5100 5000 F 0 "#PWR013" H 5100 5100 30 0001 C CNN F 1 "VCC" H 5100 5125 30 0000 C CNN F 2 "" H 5100 5000 60 0000 C CNN F 3 "" H 5100 5000 60 0000 C CNN 1 5100 5000 1 0 0 -1 $EndComp Text Label 5850 2400 1 60 ~ 0 Vout Text Label 2600 5050 2 60 ~ 0 Vout NoConn ~ 3800 5400 NoConn ~ 2700 5400 NoConn ~ 2700 5300 $Comp L GND #PWR014 U 1 1 551C31E8 P 4200 5850 F 0 "#PWR014" H 4200 5850 30 0001 C CNN F 1 "GND" H 4200 5780 30 0001 C CNN F 2 "" H 4200 5850 60 0000 C CNN F 3 "" H 4200 5850 60 0000 C CNN 1 4200 5850 1 0 0 -1 $EndComp $Comp L GND #PWR015 U 1 1 551C31EE P 5000 5850 F 0 "#PWR015" H 5000 5850 30 0001 C CNN F 1 "GND" H 5000 5780 30 0001 C CNN F 2 "" H 5000 5850 60 0000 C CNN F 3 "" H 5000 5850 60 0000 C CNN 1 5000 5850 1 0 0 -1 $EndComp $Comp L GND #PWR016 U 1 1 551C31F4 P 3300 5700 F 0 "#PWR016" H 3300 5700 30 0001 C CNN F 1 "GND" H 3300 5630 30 0001 C CNN F 2 "" H 3300 5700 60 0000 C CNN F 3 "" H 3300 5700 60 0000 C CNN 1 3300 5700 1 0 0 -1 $EndComp $Comp L GND #PWR017 U 1 1 551C31FA P 3200 5700 F 0 "#PWR017" H 3200 5700 30 0001 C CNN F 1 "GND" H 3200 5630 30 0001 C CNN F 2 "" H 3200 5700 60 0000 C CNN F 3 "" H 3200 5700 60 0000 C CNN 1 3200 5700 1 0 0 -1 $EndComp $Comp L VCC #PWR018 U 1 1 551C35F7 P 7100 4550 F 0 "#PWR018" H 7100 4650 30 0001 C CNN F 1 "VCC" H 7100 4675 30 0000 C CNN F 2 "" H 7100 4550 60 0000 C CNN F 3 "" H 7100 4550 60 0000 C CNN 1 7100 4550 1 0 0 -1 $EndComp $Comp L GND #PWR019 U 1 1 551C35FD P 7100 5400 F 0 "#PWR019" H 7100 5400 30 0001 C CNN F 1 "GND" H 7100 5330 30 0001 C CNN F 2 "" H 7100 5400 60 0000 C CNN F 3 "" H 7100 5400 60 0000 C CNN 1 7100 5400 1 0 0 -1 $EndComp $Comp L GND #PWR020 U 1 1 551C3603 P 7100 6150 F 0 "#PWR020" H 7100 6150 30 0001 C CNN F 1 "GND" H 7100 6080 30 0001 C CNN F 2 "" H 7100 6150 60 0000 C CNN F 3 "" H 7100 6150 60 0000 C CNN 1 7100 6150 1 0 0 -1 $EndComp $Comp L LT3010_RH U2 U 1 1 551C391B P 3250 5200 F 0 "U2" H 3250 5200 60 0000 C CNN F 1 "LT3010_RH" H 3250 5300 60 0001 C CNN F 2 "Housings_SSOP:MSOP-8-1EP_3x3mm_Pitch0.65mm" H 3250 5200 60 0001 C CNN F 3 "~" H 3250 5200 60 0000 C CNN F 4 "LT3010" H 3250 5300 60 0000 C CNN "Title" 1 3250 5200 1 0 0 -1 $EndComp $Comp L R R3 U 1 1 551C3940 P 4200 5250 F 0 "R3" V 4280 5250 40 0000 C CNN F 1 "1k5" V 4207 5251 40 0000 C CNN F 2 "Resistors_SMD:R_0805" V 4130 5250 30 0001 C CNN F 3 "~" H 4200 5250 30 0000 C CNN 1 4200 5250 1 0 0 -1 $EndComp $Comp L R R4 U 1 1 551C394F P 4200 5650 F 0 "R4" V 4280 5650 40 0000 C CNN F 1 "1k1" V 4207 5651 40 0000 C CNN F 2 "Resistors_SMD:R_0805" V 4130 5650 30 0001 C CNN F 3 "~" H 4200 5650 30 0000 C CNN 1 4200 5650 1 0 0 -1 $EndComp $Comp L C C3 U 1 1 551C395E P 4450 5250 F 0 "C3" H 4450 5350 40 0000 L CNN F 1 "100nF" H 4456 5165 40 0000 L CNN F 2 "Capacitors_SMD:C_0805" H 4488 5100 30 0001 C CNN F 3 "~" H 4450 5250 60 0000 C CNN 1 4450 5250 1 0 0 -1 $EndComp $Comp L C C4 U 1 1 551C396D P 5000 5475 F 0 "C4" H 5000 5575 40 0000 L CNN F 1 "10µF" H 5006 5390 40 0000 L CNN F 2 "Capacitors_SMD:C_0805" H 5038 5325 30 0001 C CNN F 3 "~" H 5000 5475 60 0000 C CNN 1 5000 5475 1 0 0 -1 $EndComp $Comp L R R5 U 1 1 551C3990 P 6450 5150 F 0 "R5" V 6530 5150 40 0000 C CNN F 1 "100R" V 6457 5151 40 0000 C CNN F 2 "Resistors_SMD:R_0805" V 6380 5150 30 0001 C CNN F 3 "~" H 6450 5150 30 0000 C CNN 1 6450 5150 0 -1 -1 0 $EndComp $Comp L PMGD370XN Q1 U 1 1 551C399F P 7000 5150 F 0 "Q1" H 6950 5350 60 0000 R CNN F 1 "PMGD370XN" V 7150 5400 60 0000 R CNN F 2 "TO_SOT_Packages_SMD:SC-70-6" H 7000 5150 60 0001 C CNN F 3 "~" H 7000 5150 60 0000 C CNN 1 7000 5150 1 0 0 -1 $EndComp $Comp L PMGD370XN Q1 U 2 1 551C3AB3 P 7000 5900 F 0 "Q1" H 6950 6100 60 0000 R CNN F 1 "PMGD370XN" V 7150 6150 60 0000 R CNN F 2 "TO_SOT_Packages_SMD:SC-70-6" H 7000 5900 60 0001 C CNN F 3 "~" H 7000 5900 60 0000 C CNN 2 7000 5900 1 0 0 -1 $EndComp $Comp L R R6 U 1 1 551C3ABE P 6450 5900 F 0 "R6" V 6530 5900 40 0000 C CNN F 1 "100R" V 6457 5901 40 0000 C CNN F 2 "Resistors_SMD:R_0805" V 6380 5900 30 0001 C CNN F 3 "~" H 6450 5900 30 0000 C CNN 1 6450 5900 0 -1 -1 0 $EndComp $Comp L R R7 U 1 1 551C3AC4 P 7900 5550 F 0 "R7" V 7980 5550 40 0000 C CNN F 1 "4k7" V 7907 5551 40 0000 C CNN F 2 "Resistors_SMD:R_0805" V 7830 5550 30 0001 C CNN F 3 "~" H 7900 5550 30 0000 C CNN 1 7900 5550 0 -1 -1 0 $EndComp $Comp L SPEAKER SP1 U 1 1 551C3AD1 P 7450 4750 F 0 "SP1" H 7350 5000 70 0000 C CNN F 1 "Buzzer" V 7800 4750 70 0000 C CNN F 2 "Buzzers_Beepers:Buzzer_12x9.5RM7.6" H 7450 4750 60 0001 C CNN F 3 "~" H 7450 4750 60 0000 C CNN 1 7450 4750 1 0 0 -1 $EndComp $Comp L R R12 U 1 1 56C4BAF5 P 7100 3700 F 0 "R12" V 7180 3700 40 0000 C CNN F 1 "Rb" V 7107 3701 40 0000 C CNN F 2 "Resistors_SMD:R_0805" V 7030 3700 30 0001 C CNN F 3 "~" H 7100 3700 30 0000 C CNN 1 7100 3700 1 0 0 -1 $EndComp $Comp L R R11 U 1 1 56C4C2BA P 4800 3700 F 0 "R11" V 4880 3700 40 0000 C CNN F 1 "Rb" V 4807 3701 40 0000 C CNN F 2 "Resistors_SMD:R_0805" V 4730 3700 30 0001 C CNN F 3 "~" H 4800 3700 30 0000 C CNN 1 4800 3700 1 0 0 -1 $EndComp $Comp L R R9 U 1 1 56C4D929 P 7525 3150 F 0 "R9" V 7605 3150 40 0000 C CNN F 1 "RL" V 7532 3151 40 0000 C CNN F 2 "Resistors_SMD:R_0805" V 7455 3150 30 0001 C CNN F 3 "~" H 7525 3150 30 0000 C CNN 1 7525 3150 1 0 0 -1 $EndComp $Comp L GND #PWR021 U 1 1 56C4D9F7 P 7525 4050 F 0 "#PWR021" H 7525 4050 30 0001 C CNN F 1 "GND" H 7525 3980 30 0001 C CNN F 2 "" H 7525 4050 60 0000 C CNN F 3 "" H 7525 4050 60 0000 C CNN 1 7525 4050 1 0 0 -1 $EndComp Wire Wire Line 3400 2900 3450 2900 Wire Wire Line 3450 2900 3450 2950 Wire Wire Line 5350 2800 6550 2800 Wire Wire Line 5850 2800 5850 2100 Connection ~ 5850 2800 Wire Wire Line 8600 2900 8550 2900 Wire Wire Line 8550 2900 8550 2950 Wire Wire Line 5850 2500 5950 2500 Connection ~ 5850 2500 Wire Wire Line 6250 2500 6350 2500 Wire Wire Line 4050 4050 4050 3650 Wire Wire Line 7950 4050 7950 3700 Wire Wire Line 6300 4100 6450 4100 Wire Wire Line 6450 4050 6450 4150 Connection ~ 6450 4100 Wire Wire Line 6450 4500 6450 4450 Wire Wire Line 5900 4600 5900 5900 Wire Wire Line 8150 5750 8100 5750 Wire Wire Line 8100 5750 8100 5800 Wire Wire Line 5500 4100 5450 4100 Wire Wire Line 5450 4100 5450 4150 Wire Wire Line 2700 5050 2600 5050 Wire Wire Line 2650 5050 2650 5200 Wire Wire Line 2650 5200 2700 5200 Connection ~ 2650 5050 Wire Wire Line 3800 5050 5100 5050 Wire Wire Line 5100 5050 5100 5000 Wire Wire Line 3950 5200 3800 5200 Wire Wire Line 3200 5700 3200 5650 Wire Wire Line 3300 5650 3300 5700 Wire Wire Line 4200 5850 4200 5800 Wire Wire Line 5900 5900 6300 5900 Wire Wire Line 6300 5150 5900 5150 Connection ~ 5900 5150 Wire Wire Line 7150 4850 7100 4850 Wire Wire Line 7100 4850 7100 4950 Wire Wire Line 7150 4650 7100 4650 Wire Wire Line 7100 4650 7100 4550 Wire Wire Line 8150 5550 8050 5550 Wire Wire Line 8150 5650 7100 5650 Wire Wire Line 7100 5650 7100 5700 Wire Wire Line 7100 5400 7100 5350 Wire Wire Line 7100 6150 7100 6100 Wire Wire Line 7750 5550 7675 5550 Wire Wire Line 7675 5550 7675 5650 Connection ~ 7675 5650 Wire Wire Line 6600 5150 6800 5150 Wire Wire Line 6600 5900 6800 5900 Wire Wire Line 3950 5200 3950 5450 Wire Wire Line 3950 5450 4450 5450 Wire Wire Line 4450 5450 4450 5400 Wire Wire Line 4200 5400 4200 5500 Connection ~ 4200 5450 Wire Wire Line 4200 5100 4200 5050 Connection ~ 4200 5050 Wire Wire Line 4450 5100 4450 5050 Connection ~ 4450 5050 Wire Wire Line 6850 2800 8050 2800 Wire Wire Line 7100 3000 7100 2800 Connection ~ 7100 2800 Wire Wire Line 7525 3000 7525 2800 Connection ~ 7525 2800 Wire Wire Line 7950 3300 7950 2800 Connection ~ 7950 2800 Wire Wire Line 7525 3500 7525 3300 Wire Wire Line 7525 4050 7525 3900 Wire Wire Line 7100 4050 7100 3850 Wire Wire Line 7100 3300 7100 3550 Wire Wire Line 6050 3600 6050 3425 Wire Wire Line 6050 3425 7100 3425 Connection ~ 7100 3425 $Comp L GND #PWR022 U 1 1 56C4E417 P 4425 4050 F 0 "#PWR022" H 4425 4050 30 0001 C CNN F 1 "GND" H 4425 3980 30 0001 C CNN F 2 "" H 4425 4050 60 0000 C CNN F 3 "" H 4425 4050 60 0000 C CNN 1 4425 4050 1 0 0 -1 $EndComp Wire Wire Line 4425 4050 4425 3900 $Comp L R R8 U 1 1 56C4E4BE P 4425 3150 F 0 "R8" V 4505 3150 40 0000 C CNN F 1 "RL" V 4432 3151 40 0000 C CNN F 2 "Resistors_SMD:R_0805" V 4355 3150 30 0001 C CNN F 3 "~" H 4425 3150 30 0000 C CNN 1 4425 3150 1 0 0 -1 $EndComp Wire Wire Line 4425 3000 4425 2800 Wire Wire Line 4425 3500 4425 3300 Wire Wire Line 4800 4050 4800 3850 Wire Wire Line 4800 3550 4800 3300 Wire Wire Line 4800 3000 4800 2800 Wire Wire Line 3950 2800 5050 2800 Connection ~ 4800 2800 Connection ~ 4425 2800 Wire Wire Line 4050 3250 4050 2800 Connection ~ 4050 2800 Wire Wire Line 3400 2800 3450 2800 Wire Wire Line 5000 5850 5000 5625 Wire Wire Line 5000 5325 5000 5050 Connection ~ 5000 5050 Wire Wire Line 8600 2800 8550 2800 Wire Wire Line 5750 3600 5750 3425 Wire Wire Line 5750 3425 4800 3425 Connection ~ 4800 3425 $Comp L M74VHC1GT00 U1 U 1 1 56C51378 P 5900 4100 F 0 "U1" H 6100 4250 60 0000 C CNN F 1 "M74VHC1GT00" H 6250 4400 60 0000 C CNN F 2 "TO_SOT_Packages_SMD:SOT-353" H 5900 4100 60 0001 C CNN F 3 "" H 5900 4100 60 0000 C CNN 1 5900 4100 0 1 1 0 $EndComp Text Notes 9650 5150 0 60 ~ 12 12V:\n==============\n RL = 4k7\n Ra = 100k\n Rb = 22k\n Cout = 22µF / 35V\n Polyfuse = 1,5A Text Notes 9650 6125 0 60 ~ 12 48V:\n==============\n RL = 22k\n Ra = 470k\n Rb = 22k\n Cout = 10µF / 63V\n Polyfuse = 0,55A Wire Wire Line 6350 2150 5950 2150 Wire Wire Line 5950 2150 5950 2100 $EndSCHEMATC