EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A 11000 8500
encoding utf-8
Sheet 1 1
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L Transistor_BJT:MMBT3904 Q1
U 1 1 61182478
P 5550 4950
F 0 "Q1" H 5741 4996 50  0000 L CNN
F 1 "MMBT3904" H 5741 4905 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 5750 4875 50  0001 L CIN
F 3 "https://www.fairchildsemi.com/datasheets/2N/2N3904.pdf" H 5550 4950 50  0001 L CNN
	1    5550 4950
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small_US R1
U 1 1 61182F77
P 5100 4950
F 0 "R1" V 4895 4950 50  0000 C CNN
F 1 "10k" V 4986 4950 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 5100 4950 50  0001 C CNN
F 3 "~" H 5100 4950 50  0001 C CNN
	1    5100 4950
	0    1    1    0   
$EndComp
$Comp
L Device:R_Small_US R2
U 1 1 61183361
P 5650 4500
F 0 "R2" H 5718 4546 50  0000 L CNN
F 1 "2.7k" H 5718 4455 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 5650 4500 50  0001 C CNN
F 3 "~" H 5650 4500 50  0001 C CNN
	1    5650 4500
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR013
U 1 1 6118854D
P 5650 5200
F 0 "#PWR013" H 5650 4950 50  0001 C CNN
F 1 "GND" H 5655 5027 50  0000 C CNN
F 2 "" H 5650 5200 50  0001 C CNN
F 3 "" H 5650 5200 50  0001 C CNN
	1    5650 5200
	1    0    0    -1  
$EndComp
$Comp
L power:+8V #PWR012
U 1 1 61188A1A
P 4550 3650
F 0 "#PWR012" H 4550 3500 50  0001 C CNN
F 1 "+8V" H 4565 3823 50  0000 C CNN
F 2 "" H 4550 3650 50  0001 C CNN
F 3 "" H 4550 3650 50  0001 C CNN
	1    4550 3650
	1    0    0    -1  
$EndComp
Wire Wire Line
	5650 5200 5650 5150
Wire Wire Line
	5350 4950 5200 4950
$Comp
L Connector:Conn_Coaxial J1
U 1 1 6118A2C7
P 3500 3000
F 0 "J1" H 3600 2975 50  0000 L CNN
F 1 "R" H 3600 2884 50  0000 L CNN
F 2 "Connector_Coaxial:BNC_Amphenol_B6252HB-NPP3G-50_Horizontal" H 3500 3000 50  0001 C CNN
F 3 " ~" H 3500 3000 50  0001 C CNN
	1    3500 3000
	1    0    0    -1  
$EndComp
$Comp
L Connector:Conn_Coaxial J2
U 1 1 6118AFF4
P 3500 3800
F 0 "J2" H 3600 3775 50  0000 L CNN
F 1 "G" H 3600 3684 50  0000 L CNN
F 2 "Connector_Coaxial:BNC_Amphenol_B6252HB-NPP3G-50_Horizontal" H 3500 3800 50  0001 C CNN
F 3 " ~" H 3500 3800 50  0001 C CNN
	1    3500 3800
	1    0    0    -1  
$EndComp
$Comp
L Connector:Conn_Coaxial J3
U 1 1 6118B4C3
P 3500 4600
F 0 "J3" H 3600 4575 50  0000 L CNN
F 1 "B" H 3600 4484 50  0000 L CNN
F 2 "Connector_Coaxial:BNC_Amphenol_B6252HB-NPP3G-50_Horizontal" H 3500 4600 50  0001 C CNN
F 3 " ~" H 3500 4600 50  0001 C CNN
	1    3500 4600
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR017
U 1 1 6118D3CF
P 3500 3250
F 0 "#PWR017" H 3500 3000 50  0001 C CNN
F 1 "GND" H 3505 3077 50  0000 C CNN
F 2 "" H 3500 3250 50  0001 C CNN
F 3 "" H 3500 3250 50  0001 C CNN
	1    3500 3250
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR018
U 1 1 6118D690
P 3500 4050
F 0 "#PWR018" H 3500 3800 50  0001 C CNN
F 1 "GND" H 3505 3877 50  0000 C CNN
F 2 "" H 3500 4050 50  0001 C CNN
F 3 "" H 3500 4050 50  0001 C CNN
	1    3500 4050
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR019
U 1 1 6118D91F
P 3500 4850
F 0 "#PWR019" H 3500 4600 50  0001 C CNN
F 1 "GND" H 3505 4677 50  0000 C CNN
F 2 "" H 3500 4850 50  0001 C CNN
F 3 "" H 3500 4850 50  0001 C CNN
	1    3500 4850
	1    0    0    -1  
$EndComp
Wire Wire Line
	3500 3250 3500 3200
Wire Wire Line
	3500 4000 3500 4050
Wire Wire Line
	3500 4800 3500 4850
$Comp
L Device:R_Small_US R3
U 1 1 61191BD6
P 3100 3100
F 0 "R3" H 3168 3146 50  0000 L CNN
F 1 "75" H 3168 3055 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 3100 3100 50  0001 C CNN
F 3 "~" H 3100 3100 50  0001 C CNN
	1    3100 3100
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small_US R4
U 1 1 6119289E
P 3100 3900
F 0 "R4" H 3168 3946 50  0000 L CNN
F 1 "75" H 3168 3855 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 3100 3900 50  0001 C CNN
F 3 "~" H 3100 3900 50  0001 C CNN
	1    3100 3900
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small_US R5
U 1 1 61192B9D
P 3100 4700
F 0 "R5" H 3168 4746 50  0000 L CNN
F 1 "75" H 3168 4655 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 3100 4700 50  0001 C CNN
F 3 "~" H 3100 4700 50  0001 C CNN
	1    3100 4700
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C1
U 1 1 61193794
P 2850 3000
F 0 "C1" V 2621 3000 50  0000 C CNN
F 1 "0.1uF" V 2712 3000 50  0000 C CNN
F 2 "Capacitor_THT:C_Rect_L7.2mm_W2.5mm_P5.00mm_FKS2_FKP2_MKS2_MKP2" H 2850 3000 50  0001 C CNN
F 3 "~" H 2850 3000 50  0001 C CNN
	1    2850 3000
	0    1    1    0   
$EndComp
$Comp
L Device:C_Small C2
U 1 1 61193E0F
P 2850 3800
F 0 "C2" V 2621 3800 50  0000 C CNN
F 1 "0.1uF" V 2712 3800 50  0000 C CNN
F 2 "Capacitor_THT:C_Rect_L7.2mm_W2.5mm_P5.00mm_FKS2_FKP2_MKS2_MKP2" H 2850 3800 50  0001 C CNN
F 3 "~" H 2850 3800 50  0001 C CNN
	1    2850 3800
	0    1    1    0   
$EndComp
$Comp
L Device:C_Small C3
U 1 1 611942B2
P 2850 4600
F 0 "C3" V 2621 4600 50  0000 C CNN
F 1 "0.1uF" V 2712 4600 50  0000 C CNN
F 2 "Capacitor_THT:C_Rect_L7.2mm_W2.5mm_P5.00mm_FKS2_FKP2_MKS2_MKP2" H 2850 4600 50  0001 C CNN
F 3 "~" H 2850 4600 50  0001 C CNN
	1    2850 4600
	0    1    1    0   
$EndComp
$Comp
L Diode:1N4148WS D3
U 1 1 61194688
P 2200 2850
F 0 "D3" V 2154 2930 50  0000 L CNN
F 1 "1N4148WS" V 2245 2930 50  0000 L CNN
F 2 "Diode_SMD:D_SOD-323" H 2200 2675 50  0001 C CNN
F 3 "https://www.vishay.com/docs/85751/1n4148ws.pdf" H 2200 2850 50  0001 C CNN
	1    2200 2850
	0    1    1    0   
$EndComp
$Comp
L Diode:1N4148WS D4
U 1 1 61194F2D
P 2200 3150
F 0 "D4" V 2154 3230 50  0000 L CNN
F 1 "1N4148WS" V 2245 3230 50  0000 L CNN
F 2 "Diode_SMD:D_SOD-323" H 2200 2975 50  0001 C CNN
F 3 "https://www.vishay.com/docs/85751/1n4148ws.pdf" H 2200 3150 50  0001 C CNN
	1    2200 3150
	0    1    1    0   
$EndComp
$Comp
L Diode:1N4148WS D1
U 1 1 61195322
P 2000 3650
F 0 "D1" V 1954 3730 50  0000 L CNN
F 1 "1N4148WS" V 2045 3730 50  0000 L CNN
F 2 "Diode_SMD:D_SOD-323" H 2000 3475 50  0001 C CNN
F 3 "https://www.vishay.com/docs/85751/1n4148ws.pdf" H 2000 3650 50  0001 C CNN
	1    2000 3650
	0    1    1    0   
$EndComp
$Comp
L Diode:1N4148WS D2
U 1 1 61195D6D
P 2000 3950
F 0 "D2" V 1954 4030 50  0000 L CNN
F 1 "1N4148WS" V 2045 4030 50  0000 L CNN
F 2 "Diode_SMD:D_SOD-323" H 2000 3775 50  0001 C CNN
F 3 "https://www.vishay.com/docs/85751/1n4148ws.pdf" H 2000 3950 50  0001 C CNN
	1    2000 3950
	0    1    1    0   
$EndComp
$Comp
L Diode:1N4148WS D5
U 1 1 61196088
P 2200 4450
F 0 "D5" V 2154 4530 50  0000 L CNN
F 1 "1N4148WS" V 2245 4530 50  0000 L CNN
F 2 "Diode_SMD:D_SOD-323" H 2200 4275 50  0001 C CNN
F 3 "https://www.vishay.com/docs/85751/1n4148ws.pdf" H 2200 4450 50  0001 C CNN
	1    2200 4450
	0    1    1    0   
$EndComp
$Comp
L Diode:1N4148WS D6
U 1 1 61196AD7
P 2200 4750
F 0 "D6" V 2154 4830 50  0000 L CNN
F 1 "1N4148WS" V 2245 4830 50  0000 L CNN
F 2 "Diode_SMD:D_SOD-323" H 2200 4575 50  0001 C CNN
F 3 "https://www.vishay.com/docs/85751/1n4148ws.pdf" H 2200 4750 50  0001 C CNN
	1    2200 4750
	0    1    1    0   
$EndComp
$Comp
L power:GND #PWR011
U 1 1 6119783C
P 2200 4900
F 0 "#PWR011" H 2200 4650 50  0001 C CNN
F 1 "GND" H 2205 4727 50  0000 C CNN
F 2 "" H 2200 4900 50  0001 C CNN
F 3 "" H 2200 4900 50  0001 C CNN
	1    2200 4900
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR07
U 1 1 61197CAD
P 2000 4100
F 0 "#PWR07" H 2000 3850 50  0001 C CNN
F 1 "GND" H 2005 3927 50  0000 C CNN
F 2 "" H 2000 4100 50  0001 C CNN
F 3 "" H 2000 4100 50  0001 C CNN
	1    2000 4100
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR09
U 1 1 6119810E
P 2200 3300
F 0 "#PWR09" H 2200 3050 50  0001 C CNN
F 1 "GND" H 2205 3127 50  0000 C CNN
F 2 "" H 2200 3300 50  0001 C CNN
F 3 "" H 2200 3300 50  0001 C CNN
	1    2200 3300
	1    0    0    -1  
$EndComp
$Comp
L power:+8V #PWR08
U 1 1 61198859
P 2200 2700
F 0 "#PWR08" H 2200 2550 50  0001 C CNN
F 1 "+8V" H 2215 2873 50  0000 C CNN
F 2 "" H 2200 2700 50  0001 C CNN
F 3 "" H 2200 2700 50  0001 C CNN
	1    2200 2700
	1    0    0    -1  
$EndComp
$Comp
L power:+8V #PWR06
U 1 1 61199303
P 2000 3500
F 0 "#PWR06" H 2000 3350 50  0001 C CNN
F 1 "+8V" H 2015 3673 50  0000 C CNN
F 2 "" H 2000 3500 50  0001 C CNN
F 3 "" H 2000 3500 50  0001 C CNN
	1    2000 3500
	1    0    0    -1  
$EndComp
$Comp
L power:+8V #PWR010
U 1 1 611998E8
P 2200 4300
F 0 "#PWR010" H 2200 4150 50  0001 C CNN
F 1 "+8V" H 2215 4473 50  0000 C CNN
F 2 "" H 2200 4300 50  0001 C CNN
F 3 "" H 2200 4300 50  0001 C CNN
	1    2200 4300
	1    0    0    -1  
$EndComp
Wire Wire Line
	3300 3000 3100 3000
Wire Wire Line
	2950 3000 3100 3000
Connection ~ 3100 3000
Wire Wire Line
	3100 3800 3300 3800
Wire Wire Line
	3100 3800 2950 3800
Connection ~ 3100 3800
Wire Wire Line
	3100 4600 2950 4600
Wire Wire Line
	3100 4600 3300 4600
Connection ~ 3100 4600
Wire Wire Line
	2750 4600 2200 4600
Connection ~ 2200 4600
Wire Wire Line
	2750 3800 2000 3800
Connection ~ 2000 3800
Wire Wire Line
	2750 3000 2200 3000
Connection ~ 2200 3000
$Comp
L power:+8V #PWR04
U 1 1 611AA006
P 6200 3550
F 0 "#PWR04" H 6200 3400 50  0001 C CNN
F 1 "+8V" H 6215 3723 50  0000 C CNN
F 2 "" H 6200 3550 50  0001 C CNN
F 3 "" H 6200 3550 50  0001 C CNN
	1    6200 3550
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR05
U 1 1 611AAD13
P 6200 3850
F 0 "#PWR05" H 6200 3600 50  0001 C CNN
F 1 "GND" H 6205 3677 50  0000 C CNN
F 2 "" H 6200 3850 50  0001 C CNN
F 3 "" H 6200 3850 50  0001 C CNN
	1    6200 3850
	1    0    0    -1  
$EndComp
Wire Wire Line
	1550 3000 2200 3000
Wire Wire Line
	2000 3800 1550 3800
Wire Wire Line
	2200 4600 1550 4600
Wire Wire Line
	6200 3600 6200 3550
Connection ~ 6200 3550
Wire Wire Line
	6200 3800 6200 3850
Connection ~ 6200 3850
Wire Wire Line
	5650 4600 5650 4650
Connection ~ 5650 4750
$Comp
L Switch:SW_DIP_x04 SW1
U 1 1 6119C59B
P 4350 4050
F 0 "SW1" V 4304 4380 50  0000 L CNN
F 1 "SW_DIP_x04" V 4395 4380 50  0000 L CNN
F 2 "Button_Switch_THT:SW_DIP_SPSTx04_Piano_10.8x11.72mm_W7.62mm_P2.54mm" H 4350 4050 50  0001 C CNN
F 3 "~" H 4350 4050 50  0001 C CNN
	1    4350 4050
	0    1    1    0   
$EndComp
Wire Wire Line
	5650 4750 5850 4750
Wire Wire Line
	5000 4950 4950 4950
Wire Wire Line
	5650 4650 5500 4650
Connection ~ 5650 4650
Wire Wire Line
	5650 4650 5650 4750
Wire Wire Line
	5650 4400 5650 4350
Wire Wire Line
	5650 4350 4550 4350
Wire Wire Line
	4550 3750 4550 3650
$Comp
L power:GND #PWR0101
U 1 1 612547E3
P 4050 3750
F 0 "#PWR0101" H 4050 3500 50  0001 C CNN
F 1 "GND" H 4055 3577 50  0000 C CNN
F 2 "" H 4050 3750 50  0001 C CNN
F 3 "" H 4050 3750 50  0001 C CNN
	1    4050 3750
	1    0    0    -1  
$EndComp
Wire Wire Line
	4050 3750 4250 3750
Connection ~ 4250 3750
Wire Wire Line
	4250 3750 4350 3750
Connection ~ 4350 3750
Wire Wire Line
	4350 3750 4450 3750
Wire Wire Line
	3100 3550 3950 3550
Wire Wire Line
	3950 3550 3950 4350
Wire Wire Line
	3950 4350 4250 4350
Wire Wire Line
	3100 3200 3100 3550
Wire Wire Line
	4350 4350 4350 4400
Wire Wire Line
	4350 4400 3100 4400
Wire Wire Line
	3100 4000 3100 4400
Wire Wire Line
	4450 4350 4450 5150
Wire Wire Line
	4450 5150 3100 5150
Wire Wire Line
	3100 4800 3100 5150
$Comp
L Connector:Conn_01x11_Male J4
U 1 1 6125A756
P 4800 2550
F 0 "J4" V 4635 2528 50  0000 C CNN
F 1 "Conn_01x11_Male" V 4726 2528 50  0000 C CNN
F 2 "Connector_Molex:Molex_KK-254_AE-6410-11A_1x11_P2.54mm_Vertical" H 4800 2550 50  0001 C CNN
F 3 "~" H 4800 2550 50  0001 C CNN
	1    4800 2550
	0    -1   1    0   
$EndComp
Text GLabel 1550 3000 0    50   Input ~ 0
ROUT
Text GLabel 1550 3800 0    50   Input ~ 0
GOUT
Text GLabel 1550 4600 0    50   Input ~ 0
BOUT
Text GLabel 4950 4950 0    50   Input ~ 0
~EN2
Text GLabel 5200 2850 3    50   Input ~ 0
EN1
Text GLabel 4500 2900 3    50   Input ~ 0
GOUT
Text GLabel 4300 2900 3    50   Input ~ 0
BOUT
$Comp
L power:GND #PWR0102
U 1 1 61285FBE
P 4400 3050
F 0 "#PWR0102" H 4400 2800 50  0001 C CNN
F 1 "GND" H 4405 2877 50  0000 C CNN
F 2 "" H 4400 3050 50  0001 C CNN
F 3 "" H 4400 3050 50  0001 C CNN
	1    4400 3050
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0103
U 1 1 61286642
P 4600 3050
F 0 "#PWR0103" H 4600 2800 50  0001 C CNN
F 1 "GND" H 4605 2877 50  0000 C CNN
F 2 "" H 4600 3050 50  0001 C CNN
F 3 "" H 4600 3050 50  0001 C CNN
	1    4600 3050
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0104
U 1 1 612868FB
P 4800 3050
F 0 "#PWR0104" H 4800 2800 50  0001 C CNN
F 1 "GND" H 4805 2877 50  0000 C CNN
F 2 "" H 4800 3050 50  0001 C CNN
F 3 "" H 4800 3050 50  0001 C CNN
	1    4800 3050
	1    0    0    -1  
$EndComp
Text GLabel 4700 2900 3    50   Input ~ 0
ROUT
Wire Wire Line
	4300 2900 4300 2750
Wire Wire Line
	4400 2750 4400 3050
Wire Wire Line
	4500 2900 4500 2750
Wire Wire Line
	4600 2750 4600 3050
Wire Wire Line
	4700 2900 4700 2750
Wire Wire Line
	4800 2750 4800 3050
$Comp
L Device:C_Small C5
U 1 1 6119F34B
P 6200 3700
F 0 "C5" H 6292 3746 50  0000 L CNN
F 1 "1uF" H 6292 3655 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 6200 3700 50  0001 C CNN
F 3 "~" H 6200 3700 50  0001 C CNN
	1    6200 3700
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C4
U 1 1 6119F764
P 5850 3700
F 0 "C4" H 5942 3746 50  0000 L CNN
F 1 "1uF" H 5942 3655 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 5850 3700 50  0001 C CNN
F 3 "~" H 5850 3700 50  0001 C CNN
	1    5850 3700
	1    0    0    -1  
$EndComp
Wire Wire Line
	5850 3600 5850 3550
Connection ~ 5850 3550
Wire Wire Line
	5850 3550 6200 3550
Wire Wire Line
	5850 3800 5850 3850
Connection ~ 5850 3850
Wire Wire Line
	5850 3850 6200 3850
Wire Wire Line
	5200 2850 5200 2750
Wire Wire Line
	5000 3850 5000 2750
Wire Wire Line
	5000 3850 5850 3850
Wire Wire Line
	4900 3550 4900 2750
Wire Wire Line
	4900 3550 5850 3550
Text GLabel 5300 2850 3    50   Input ~ 0
FBLANK
Wire Wire Line
	5300 2850 5300 2750
Text GLabel 5100 3200 3    50   Input ~ 0
~EN2
Wire Wire Line
	5100 3200 5100 2750
Wire Wire Line
	6400 4750 6150 4750
Text GLabel 6400 4750 2    50   Input ~ 0
FBLANK
$Comp
L Diode:1N4148WS D7
U 1 1 611844F2
P 6000 4750
F 0 "D7" H 6000 4550 50  0000 C CNN
F 1 "1N4148WS" H 6000 4650 50  0000 C CNN
F 2 "Diode_SMD:D_SOD-323" H 6000 4575 50  0001 C CNN
F 3 "https://www.vishay.com/docs/85751/1n4148ws.pdf" H 6000 4750 50  0001 C CNN
	1    6000 4750
	-1   0    0    1   
$EndComp
Text GLabel 5150 4650 0    50   Input ~ 0
EN1
Wire Wire Line
	5150 4650 5200 4650
$Comp
L Diode:1N4148WS D8
U 1 1 611854EF
P 5350 4650
F 0 "D8" H 5350 4850 50  0000 C CNN
F 1 "1N4148WS" H 5350 4750 50  0000 C CNN
F 2 "Diode_SMD:D_SOD-323" H 5350 4475 50  0001 C CNN
F 3 "https://www.vishay.com/docs/85751/1n4148ws.pdf" H 5350 4650 50  0001 C CNN
	1    5350 4650
	1    0    0    -1  
$EndComp
$EndSCHEMATC