EESchema Schematic File Version 4
LIBS:VFD_Watch-cache
EELAYER 28 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 2 2
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L Transistor_BJT:BC856 Q4
U 1 1 5BEE0444
P 1600 1400
F 0 "Q4" H 1791 1354 50  0000 L CNN
F 1 "BC856" H 1791 1445 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 1800 1325 50  0001 L CIN
F 3 "http://www.fairchildsemi.com/ds/BC/BC856.pdf" H 1600 1400 50  0001 L CNN
	1    1600 1400
	1    0    0    1   
$EndComp
$Comp
L Device:R_Small R21
U 1 1 5BEE044A
P 1200 1600
F 0 "R21" H 1259 1646 50  0000 L CNN
F 1 "50k" H 1259 1555 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 1200 1600 50  0001 C CNN
F 3 "~" H 1200 1600 50  0001 C CNN
	1    1200 1600
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R20
U 1 1 5BEE0450
P 1200 1200
F 0 "R20" H 1259 1246 50  0000 L CNN
F 1 "220k" H 1259 1155 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 1200 1200 50  0001 C CNN
F 3 "~" H 1200 1200 50  0001 C CNN
	1    1200 1200
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R18
U 1 1 5BEE0456
P 850 1500
F 0 "R18" H 791 1454 50  0000 R CNN
F 1 "100k" H 791 1545 50  0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 850 1500 50  0001 C CNN
F 3 "~" H 850 1500 50  0001 C CNN
	1    850  1500
	-1   0    0    1   
$EndComp
Wire Wire Line
	1200 1500 1200 1400
Wire Wire Line
	1200 1400 1400 1400
Wire Wire Line
	1200 1400 1200 1300
Connection ~ 1200 1400
Wire Wire Line
	1700 1200 1700 1050
Wire Wire Line
	1200 1100 1200 1050
Wire Wire Line
	1700 1600 1700 1750
Wire Wire Line
	1200 1050 1700 1050
$Comp
L power:+24V #PWR0132
U 1 1 5BEE0467
P 1200 1000
F 0 "#PWR0132" H 1200 850 50  0001 C CNN
F 1 "+24V" H 1215 1173 50  0000 C CNN
F 2 "" H 1200 1000 50  0001 C CNN
F 3 "" H 1200 1000 50  0001 C CNN
	1    1200 1000
	1    0    0    -1  
$EndComp
Connection ~ 1200 1050
Wire Wire Line
	1200 1050 1200 1000
$Comp
L power:GND #PWR0133
U 1 1 5BEE0470
P 1200 2250
F 0 "#PWR0133" H 1200 2000 50  0001 C CNN
F 1 "GND" H 1205 2077 50  0000 C CNN
F 2 "" H 1200 2250 50  0001 C CNN
F 3 "" H 1200 2250 50  0001 C CNN
	1    1200 2250
	-1   0    0    -1  
$EndComp
Wire Wire Line
	850  1400 850  1350
$Comp
L Transistor_FET:BSS138 Q2
U 1 1 5BEE0478
P 1100 1950
F 0 "Q2" H 1306 1996 50  0000 L CNN
F 1 "BSS138" H 1306 1905 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 1300 1875 50  0001 L CIN
F 3 "https://www.fairchildsemi.com/datasheets/BS/BSS138.pdf" H 1100 1950 50  0001 L CNN
	1    1100 1950
	1    0    0    -1  
$EndComp
Text HLabel 800  1350 0    50   Input ~ 0
IN_1
Wire Wire Line
	1200 1750 1200 1700
Wire Wire Line
	1200 2150 1200 2200
Wire Wire Line
	850  1950 900  1950
Wire Wire Line
	850  1950 850  1600
$Comp
L Device:R_Small R24
U 1 1 5BFEFC2D
P 1700 1950
F 0 "R24" H 1759 1996 50  0000 L CNN
F 1 "220k" H 1759 1905 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 1700 1950 50  0001 C CNN
F 3 "~" H 1700 1950 50  0001 C CNN
	1    1700 1950
	1    0    0    -1  
$EndComp
Wire Wire Line
	1700 2050 1700 2200
Wire Wire Line
	1700 2200 1200 2200
Connection ~ 1200 2200
Wire Wire Line
	1200 2200 1200 2250
Wire Wire Line
	1700 1750 1800 1750
Connection ~ 1700 1750
Wire Wire Line
	1700 1750 1700 1850
Text HLabel 1800 1750 2    50   Input ~ 0
OUT_1
Wire Wire Line
	850  1350 800  1350
$Comp
L Transistor_BJT:BC856 Q8
U 1 1 5C01268F
P 3100 1400
F 0 "Q8" H 3291 1354 50  0000 L CNN
F 1 "BC856" H 3291 1445 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 3300 1325 50  0001 L CIN
F 3 "http://www.fairchildsemi.com/ds/BC/BC856.pdf" H 3100 1400 50  0001 L CNN
	1    3100 1400
	1    0    0    1   
$EndComp
$Comp
L Device:R_Small R29
U 1 1 5C012695
P 2700 1600
F 0 "R29" H 2759 1646 50  0000 L CNN
F 1 "50k" H 2759 1555 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 2700 1600 50  0001 C CNN
F 3 "~" H 2700 1600 50  0001 C CNN
	1    2700 1600
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R28
U 1 1 5C01269B
P 2700 1200
F 0 "R28" H 2759 1246 50  0000 L CNN
F 1 "220k" H 2759 1155 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 2700 1200 50  0001 C CNN
F 3 "~" H 2700 1200 50  0001 C CNN
	1    2700 1200
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R26
U 1 1 5C0126A1
P 2350 1500
F 0 "R26" H 2291 1454 50  0000 R CNN
F 1 "100k" H 2291 1545 50  0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 2350 1500 50  0001 C CNN
F 3 "~" H 2350 1500 50  0001 C CNN
	1    2350 1500
	-1   0    0    1   
$EndComp
Wire Wire Line
	2700 1500 2700 1400
Wire Wire Line
	2700 1400 2900 1400
Wire Wire Line
	2700 1400 2700 1300
Connection ~ 2700 1400
Wire Wire Line
	3200 1200 3200 1050
Wire Wire Line
	2700 1100 2700 1050
Wire Wire Line
	3200 1600 3200 1750
Wire Wire Line
	2700 1050 3200 1050
$Comp
L power:+24V #PWR0134
U 1 1 5C0126AF
P 2700 1000
F 0 "#PWR0134" H 2700 850 50  0001 C CNN
F 1 "+24V" H 2715 1173 50  0000 C CNN
F 2 "" H 2700 1000 50  0001 C CNN
F 3 "" H 2700 1000 50  0001 C CNN
	1    2700 1000
	1    0    0    -1  
$EndComp
Connection ~ 2700 1050
Wire Wire Line
	2700 1050 2700 1000
$Comp
L power:GND #PWR0135
U 1 1 5C0126B7
P 2700 2250
F 0 "#PWR0135" H 2700 2000 50  0001 C CNN
F 1 "GND" H 2705 2077 50  0000 C CNN
F 2 "" H 2700 2250 50  0001 C CNN
F 3 "" H 2700 2250 50  0001 C CNN
	1    2700 2250
	-1   0    0    -1  
$EndComp
Wire Wire Line
	2350 1400 2350 1350
$Comp
L Transistor_FET:BSS138 Q6
U 1 1 5C0126BE
P 2600 1950
F 0 "Q6" H 2806 1996 50  0000 L CNN
F 1 "BSS138" H 2806 1905 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 2800 1875 50  0001 L CIN
F 3 "https://www.fairchildsemi.com/datasheets/BS/BSS138.pdf" H 2600 1950 50  0001 L CNN
	1    2600 1950
	1    0    0    -1  
$EndComp
Text HLabel 2300 1350 0    50   Input ~ 0
IN_2
Wire Wire Line
	2700 1750 2700 1700
Wire Wire Line
	2700 2150 2700 2200
Wire Wire Line
	2350 1950 2400 1950
Wire Wire Line
	2350 1950 2350 1600
$Comp
L Device:R_Small R32
U 1 1 5C0126C9
P 3200 1950
F 0 "R32" H 3259 1996 50  0000 L CNN
F 1 "220k" H 3259 1905 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 3200 1950 50  0001 C CNN
F 3 "~" H 3200 1950 50  0001 C CNN
	1    3200 1950
	1    0    0    -1  
$EndComp
Wire Wire Line
	3200 2050 3200 2200
Wire Wire Line
	3200 2200 2700 2200
Connection ~ 2700 2200
Wire Wire Line
	2700 2200 2700 2250
Wire Wire Line
	3200 1750 3300 1750
Connection ~ 3200 1750
Wire Wire Line
	3200 1750 3200 1850
Text HLabel 3300 1750 2    50   Input ~ 0
OUT_2
Wire Wire Line
	2350 1350 2300 1350
$Comp
L Transistor_BJT:BC856 Q12
U 1 1 5C01B381
P 4600 1400
F 0 "Q12" H 4791 1354 50  0000 L CNN
F 1 "BC856" H 4791 1445 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 4800 1325 50  0001 L CIN
F 3 "http://www.fairchildsemi.com/ds/BC/BC856.pdf" H 4600 1400 50  0001 L CNN
	1    4600 1400
	1    0    0    1   
$EndComp
$Comp
L Device:R_Small R37
U 1 1 5C01B387
P 4200 1600
F 0 "R37" H 4259 1646 50  0000 L CNN
F 1 "50k" H 4259 1555 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 4200 1600 50  0001 C CNN
F 3 "~" H 4200 1600 50  0001 C CNN
	1    4200 1600
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R36
U 1 1 5C01B38D
P 4200 1200
F 0 "R36" H 4259 1246 50  0000 L CNN
F 1 "220k" H 4259 1155 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 4200 1200 50  0001 C CNN
F 3 "~" H 4200 1200 50  0001 C CNN
	1    4200 1200
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R34
U 1 1 5C01B393
P 3850 1500
F 0 "R34" H 3791 1454 50  0000 R CNN
F 1 "100k" H 3791 1545 50  0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 3850 1500 50  0001 C CNN
F 3 "~" H 3850 1500 50  0001 C CNN
	1    3850 1500
	-1   0    0    1   
$EndComp
Wire Wire Line
	4200 1500 4200 1400
Wire Wire Line
	4200 1400 4400 1400
Wire Wire Line
	4200 1400 4200 1300
Connection ~ 4200 1400
Wire Wire Line
	4700 1200 4700 1050
Wire Wire Line
	4200 1100 4200 1050
Wire Wire Line
	4700 1600 4700 1750
Wire Wire Line
	4200 1050 4700 1050
$Comp
L power:+24V #PWR0136
U 1 1 5C01B3A1
P 4200 1000
F 0 "#PWR0136" H 4200 850 50  0001 C CNN
F 1 "+24V" H 4215 1173 50  0000 C CNN
F 2 "" H 4200 1000 50  0001 C CNN
F 3 "" H 4200 1000 50  0001 C CNN
	1    4200 1000
	1    0    0    -1  
$EndComp
Connection ~ 4200 1050
Wire Wire Line
	4200 1050 4200 1000
$Comp
L power:GND #PWR0137
U 1 1 5C01B3A9
P 4200 2250
F 0 "#PWR0137" H 4200 2000 50  0001 C CNN
F 1 "GND" H 4205 2077 50  0000 C CNN
F 2 "" H 4200 2250 50  0001 C CNN
F 3 "" H 4200 2250 50  0001 C CNN
	1    4200 2250
	-1   0    0    -1  
$EndComp
Wire Wire Line
	3850 1400 3850 1350
$Comp
L Transistor_FET:BSS138 Q10
U 1 1 5C01B3B0
P 4100 1950
F 0 "Q10" H 4306 1996 50  0000 L CNN
F 1 "BSS138" H 4306 1905 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 4300 1875 50  0001 L CIN
F 3 "https://www.fairchildsemi.com/datasheets/BS/BSS138.pdf" H 4100 1950 50  0001 L CNN
	1    4100 1950
	1    0    0    -1  
$EndComp
Text HLabel 3800 1350 0    50   Input ~ 0
IN_3
Wire Wire Line
	4200 1750 4200 1700
Wire Wire Line
	4200 2150 4200 2200
Wire Wire Line
	3850 1950 3900 1950
Wire Wire Line
	3850 1950 3850 1600
$Comp
L Device:R_Small R40
U 1 1 5C01B3BB
P 4700 1950
F 0 "R40" H 4759 1996 50  0000 L CNN
F 1 "220k" H 4759 1905 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 4700 1950 50  0001 C CNN
F 3 "~" H 4700 1950 50  0001 C CNN
	1    4700 1950
	1    0    0    -1  
$EndComp
Wire Wire Line
	4700 2050 4700 2200
Wire Wire Line
	4700 2200 4200 2200
Connection ~ 4200 2200
Wire Wire Line
	4200 2200 4200 2250
Wire Wire Line
	4700 1750 4800 1750
Connection ~ 4700 1750
Wire Wire Line
	4700 1750 4700 1850
Text HLabel 4800 1750 2    50   Input ~ 0
OUT_3
Wire Wire Line
	3850 1350 3800 1350
$Comp
L Transistor_BJT:BC856 Q16
U 1 1 5C01B3CA
P 6100 1400
F 0 "Q16" H 6291 1354 50  0000 L CNN
F 1 "BC856" H 6291 1445 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 6300 1325 50  0001 L CIN
F 3 "http://www.fairchildsemi.com/ds/BC/BC856.pdf" H 6100 1400 50  0001 L CNN
	1    6100 1400
	1    0    0    1   
$EndComp
$Comp
L Device:R_Small R45
U 1 1 5C01B3D0
P 5700 1600
F 0 "R45" H 5759 1646 50  0000 L CNN
F 1 "50k" H 5759 1555 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 5700 1600 50  0001 C CNN
F 3 "~" H 5700 1600 50  0001 C CNN
	1    5700 1600
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R44
U 1 1 5C01B3D6
P 5700 1200
F 0 "R44" H 5759 1246 50  0000 L CNN
F 1 "220k" H 5759 1155 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 5700 1200 50  0001 C CNN
F 3 "~" H 5700 1200 50  0001 C CNN
	1    5700 1200
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R42
U 1 1 5C01B3DC
P 5350 1500
F 0 "R42" H 5291 1454 50  0000 R CNN
F 1 "100k" H 5291 1545 50  0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 5350 1500 50  0001 C CNN
F 3 "~" H 5350 1500 50  0001 C CNN
	1    5350 1500
	-1   0    0    1   
$EndComp
Wire Wire Line
	5700 1500 5700 1400
Wire Wire Line
	5700 1400 5900 1400
Wire Wire Line
	5700 1400 5700 1300
Connection ~ 5700 1400
Wire Wire Line
	6200 1200 6200 1050
Wire Wire Line
	5700 1100 5700 1050
Wire Wire Line
	6200 1600 6200 1750
Wire Wire Line
	5700 1050 6200 1050
$Comp
L power:+24V #PWR0138
U 1 1 5C01B3EA
P 5700 1000
F 0 "#PWR0138" H 5700 850 50  0001 C CNN
F 1 "+24V" H 5715 1173 50  0000 C CNN
F 2 "" H 5700 1000 50  0001 C CNN
F 3 "" H 5700 1000 50  0001 C CNN
	1    5700 1000
	1    0    0    -1  
$EndComp
Connection ~ 5700 1050
Wire Wire Line
	5700 1050 5700 1000
$Comp
L power:GND #PWR0139
U 1 1 5C01B3F2
P 5700 2250
F 0 "#PWR0139" H 5700 2000 50  0001 C CNN
F 1 "GND" H 5705 2077 50  0000 C CNN
F 2 "" H 5700 2250 50  0001 C CNN
F 3 "" H 5700 2250 50  0001 C CNN
	1    5700 2250
	-1   0    0    -1  
$EndComp
Wire Wire Line
	5350 1400 5350 1350
$Comp
L Transistor_FET:BSS138 Q14
U 1 1 5C01B3F9
P 5600 1950
F 0 "Q14" H 5806 1996 50  0000 L CNN
F 1 "BSS138" H 5806 1905 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 5800 1875 50  0001 L CIN
F 3 "https://www.fairchildsemi.com/datasheets/BS/BSS138.pdf" H 5600 1950 50  0001 L CNN
	1    5600 1950
	1    0    0    -1  
$EndComp
Text HLabel 5300 1350 0    50   Input ~ 0
IN_4
Wire Wire Line
	5700 1750 5700 1700
Wire Wire Line
	5700 2150 5700 2200
Wire Wire Line
	5350 1950 5400 1950
Wire Wire Line
	5350 1950 5350 1600
$Comp
L Device:R_Small R48
U 1 1 5C01B404
P 6200 1950
F 0 "R48" H 6259 1996 50  0000 L CNN
F 1 "220k" H 6259 1905 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 6200 1950 50  0001 C CNN
F 3 "~" H 6200 1950 50  0001 C CNN
	1    6200 1950
	1    0    0    -1  
$EndComp
Wire Wire Line
	6200 2050 6200 2200
Wire Wire Line
	6200 2200 5700 2200
Connection ~ 5700 2200
Wire Wire Line
	5700 2200 5700 2250
Wire Wire Line
	6200 1750 6300 1750
Connection ~ 6200 1750
Wire Wire Line
	6200 1750 6200 1850
Text HLabel 6300 1750 2    50   Input ~ 0
OUT_4
Wire Wire Line
	5350 1350 5300 1350
$Comp
L Transistor_BJT:BC856 Q20
U 1 1 5C02541D
P 7600 1400
F 0 "Q20" H 7791 1354 50  0000 L CNN
F 1 "BC856" H 7791 1445 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 7800 1325 50  0001 L CIN
F 3 "http://www.fairchildsemi.com/ds/BC/BC856.pdf" H 7600 1400 50  0001 L CNN
	1    7600 1400
	1    0    0    1   
$EndComp
$Comp
L Device:R_Small R53
U 1 1 5C025423
P 7200 1600
F 0 "R53" H 7259 1646 50  0000 L CNN
F 1 "50k" H 7259 1555 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 7200 1600 50  0001 C CNN
F 3 "~" H 7200 1600 50  0001 C CNN
	1    7200 1600
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R52
U 1 1 5C025429
P 7200 1200
F 0 "R52" H 7259 1246 50  0000 L CNN
F 1 "220k" H 7259 1155 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 7200 1200 50  0001 C CNN
F 3 "~" H 7200 1200 50  0001 C CNN
	1    7200 1200
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R50
U 1 1 5C02542F
P 6850 1500
F 0 "R50" H 6791 1454 50  0000 R CNN
F 1 "100k" H 6791 1545 50  0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 6850 1500 50  0001 C CNN
F 3 "~" H 6850 1500 50  0001 C CNN
	1    6850 1500
	-1   0    0    1   
$EndComp
Wire Wire Line
	7200 1500 7200 1400
Wire Wire Line
	7200 1400 7400 1400
Wire Wire Line
	7200 1400 7200 1300
Connection ~ 7200 1400
Wire Wire Line
	7700 1200 7700 1050
Wire Wire Line
	7200 1100 7200 1050
Wire Wire Line
	7700 1600 7700 1750
Wire Wire Line
	7200 1050 7700 1050
$Comp
L power:+24V #PWR0140
U 1 1 5C02543D
P 7200 1000
F 0 "#PWR0140" H 7200 850 50  0001 C CNN
F 1 "+24V" H 7215 1173 50  0000 C CNN
F 2 "" H 7200 1000 50  0001 C CNN
F 3 "" H 7200 1000 50  0001 C CNN
	1    7200 1000
	1    0    0    -1  
$EndComp
Connection ~ 7200 1050
Wire Wire Line
	7200 1050 7200 1000
$Comp
L power:GND #PWR0141
U 1 1 5C025445
P 7200 2250
F 0 "#PWR0141" H 7200 2000 50  0001 C CNN
F 1 "GND" H 7205 2077 50  0000 C CNN
F 2 "" H 7200 2250 50  0001 C CNN
F 3 "" H 7200 2250 50  0001 C CNN
	1    7200 2250
	-1   0    0    -1  
$EndComp
Wire Wire Line
	6850 1400 6850 1350
$Comp
L Transistor_FET:BSS138 Q18
U 1 1 5C02544C
P 7100 1950
F 0 "Q18" H 7306 1996 50  0000 L CNN
F 1 "BSS138" H 7306 1905 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 7300 1875 50  0001 L CIN
F 3 "https://www.fairchildsemi.com/datasheets/BS/BSS138.pdf" H 7100 1950 50  0001 L CNN
	1    7100 1950
	1    0    0    -1  
$EndComp
Text HLabel 6800 1350 0    50   Input ~ 0
IN_5
Wire Wire Line
	7200 1750 7200 1700
Wire Wire Line
	7200 2150 7200 2200
Wire Wire Line
	6850 1950 6900 1950
Wire Wire Line
	6850 1950 6850 1600
$Comp
L Device:R_Small R56
U 1 1 5C025457
P 7700 1950
F 0 "R56" H 7759 1996 50  0000 L CNN
F 1 "220k" H 7759 1905 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 7700 1950 50  0001 C CNN
F 3 "~" H 7700 1950 50  0001 C CNN
	1    7700 1950
	1    0    0    -1  
$EndComp
Wire Wire Line
	7700 2050 7700 2200
Wire Wire Line
	7700 2200 7200 2200
Connection ~ 7200 2200
Wire Wire Line
	7200 2200 7200 2250
Wire Wire Line
	7700 1750 7800 1750
Connection ~ 7700 1750
Wire Wire Line
	7700 1750 7700 1850
Text HLabel 7800 1750 2    50   Input ~ 0
OUT_5
Wire Wire Line
	6850 1350 6800 1350
$Comp
L Transistor_BJT:BC856 Q24
U 1 1 5C025466
P 9100 1400
F 0 "Q24" H 9291 1354 50  0000 L CNN
F 1 "BC856" H 9291 1445 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 9300 1325 50  0001 L CIN
F 3 "http://www.fairchildsemi.com/ds/BC/BC856.pdf" H 9100 1400 50  0001 L CNN
	1    9100 1400
	1    0    0    1   
$EndComp
$Comp
L Device:R_Small R61
U 1 1 5C02546C
P 8700 1600
F 0 "R61" H 8759 1646 50  0000 L CNN
F 1 "50k" H 8759 1555 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 8700 1600 50  0001 C CNN
F 3 "~" H 8700 1600 50  0001 C CNN
	1    8700 1600
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R60
U 1 1 5C025472
P 8700 1200
F 0 "R60" H 8759 1246 50  0000 L CNN
F 1 "220k" H 8759 1155 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 8700 1200 50  0001 C CNN
F 3 "~" H 8700 1200 50  0001 C CNN
	1    8700 1200
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R58
U 1 1 5C025478
P 8350 1500
F 0 "R58" H 8291 1454 50  0000 R CNN
F 1 "100k" H 8291 1545 50  0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 8350 1500 50  0001 C CNN
F 3 "~" H 8350 1500 50  0001 C CNN
	1    8350 1500
	-1   0    0    1   
$EndComp
Wire Wire Line
	8700 1500 8700 1400
Wire Wire Line
	8700 1400 8900 1400
Wire Wire Line
	8700 1400 8700 1300
Connection ~ 8700 1400
Wire Wire Line
	9200 1200 9200 1050
Wire Wire Line
	8700 1100 8700 1050
Wire Wire Line
	9200 1600 9200 1750
Wire Wire Line
	8700 1050 9200 1050
$Comp
L power:+24V #PWR0142
U 1 1 5C025486
P 8700 1000
F 0 "#PWR0142" H 8700 850 50  0001 C CNN
F 1 "+24V" H 8715 1173 50  0000 C CNN
F 2 "" H 8700 1000 50  0001 C CNN
F 3 "" H 8700 1000 50  0001 C CNN
	1    8700 1000
	1    0    0    -1  
$EndComp
Connection ~ 8700 1050
Wire Wire Line
	8700 1050 8700 1000
$Comp
L power:GND #PWR0143
U 1 1 5C02548E
P 8700 2250
F 0 "#PWR0143" H 8700 2000 50  0001 C CNN
F 1 "GND" H 8705 2077 50  0000 C CNN
F 2 "" H 8700 2250 50  0001 C CNN
F 3 "" H 8700 2250 50  0001 C CNN
	1    8700 2250
	-1   0    0    -1  
$EndComp
Wire Wire Line
	8350 1400 8350 1350
$Comp
L Transistor_FET:BSS138 Q22
U 1 1 5C025495
P 8600 1950
F 0 "Q22" H 8806 1996 50  0000 L CNN
F 1 "BSS138" H 8806 1905 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 8800 1875 50  0001 L CIN
F 3 "https://www.fairchildsemi.com/datasheets/BS/BSS138.pdf" H 8600 1950 50  0001 L CNN
	1    8600 1950
	1    0    0    -1  
$EndComp
Text HLabel 8300 1350 0    50   Input ~ 0
IN_6
Wire Wire Line
	8700 1750 8700 1700
Wire Wire Line
	8700 2150 8700 2200
Wire Wire Line
	8350 1950 8400 1950
Wire Wire Line
	8350 1950 8350 1600
$Comp
L Device:R_Small R64
U 1 1 5C0254A0
P 9200 1950
F 0 "R64" H 9259 1996 50  0000 L CNN
F 1 "220k" H 9259 1905 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 9200 1950 50  0001 C CNN
F 3 "~" H 9200 1950 50  0001 C CNN
	1    9200 1950
	1    0    0    -1  
$EndComp
Wire Wire Line
	9200 2050 9200 2200
Wire Wire Line
	9200 2200 8700 2200
Connection ~ 8700 2200
Wire Wire Line
	8700 2200 8700 2250
Wire Wire Line
	9200 1750 9300 1750
Connection ~ 9200 1750
Wire Wire Line
	9200 1750 9200 1850
Text HLabel 9300 1750 2    50   Input ~ 0
OUT_6
Wire Wire Line
	8350 1350 8300 1350
$Comp
L Transistor_BJT:BC856 Q5
U 1 1 5C03B788
P 1600 3300
F 0 "Q5" H 1791 3254 50  0000 L CNN
F 1 "BC856" H 1791 3345 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 1800 3225 50  0001 L CIN
F 3 "http://www.fairchildsemi.com/ds/BC/BC856.pdf" H 1600 3300 50  0001 L CNN
	1    1600 3300
	1    0    0    1   
$EndComp
$Comp
L Device:R_Small R23
U 1 1 5C03B78E
P 1200 3500
F 0 "R23" H 1259 3546 50  0000 L CNN
F 1 "50k" H 1259 3455 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 1200 3500 50  0001 C CNN
F 3 "~" H 1200 3500 50  0001 C CNN
	1    1200 3500
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R22
U 1 1 5C03B794
P 1200 3100
F 0 "R22" H 1259 3146 50  0000 L CNN
F 1 "220k" H 1259 3055 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 1200 3100 50  0001 C CNN
F 3 "~" H 1200 3100 50  0001 C CNN
	1    1200 3100
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R19
U 1 1 5C03B79A
P 850 3400
F 0 "R19" H 791 3354 50  0000 R CNN
F 1 "100k" H 791 3445 50  0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 850 3400 50  0001 C CNN
F 3 "~" H 850 3400 50  0001 C CNN
	1    850  3400
	-1   0    0    1   
$EndComp
Wire Wire Line
	1200 3400 1200 3300
Wire Wire Line
	1200 3300 1400 3300
Wire Wire Line
	1200 3300 1200 3200
Connection ~ 1200 3300
Wire Wire Line
	1700 3100 1700 2950
Wire Wire Line
	1200 3000 1200 2950
Wire Wire Line
	1700 3500 1700 3650
Wire Wire Line
	1200 2950 1700 2950
$Comp
L power:+24V #PWR0144
U 1 1 5C03B7A8
P 1200 2900
F 0 "#PWR0144" H 1200 2750 50  0001 C CNN
F 1 "+24V" H 1215 3073 50  0000 C CNN
F 2 "" H 1200 2900 50  0001 C CNN
F 3 "" H 1200 2900 50  0001 C CNN
	1    1200 2900
	1    0    0    -1  
$EndComp
Connection ~ 1200 2950
Wire Wire Line
	1200 2950 1200 2900
$Comp
L power:GND #PWR0145
U 1 1 5C03B7B0
P 1200 4150
F 0 "#PWR0145" H 1200 3900 50  0001 C CNN
F 1 "GND" H 1205 3977 50  0000 C CNN
F 2 "" H 1200 4150 50  0001 C CNN
F 3 "" H 1200 4150 50  0001 C CNN
	1    1200 4150
	-1   0    0    -1  
$EndComp
Wire Wire Line
	850  3300 850  3250
$Comp
L Transistor_FET:BSS138 Q3
U 1 1 5C03B7B7
P 1100 3850
F 0 "Q3" H 1306 3896 50  0000 L CNN
F 1 "BSS138" H 1306 3805 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 1300 3775 50  0001 L CIN
F 3 "https://www.fairchildsemi.com/datasheets/BS/BSS138.pdf" H 1100 3850 50  0001 L CNN
	1    1100 3850
	1    0    0    -1  
$EndComp
Text HLabel 800  3250 0    50   Input ~ 0
IN_8
Wire Wire Line
	1200 3650 1200 3600
Wire Wire Line
	1200 4050 1200 4100
Wire Wire Line
	850  3850 900  3850
Wire Wire Line
	850  3850 850  3500
$Comp
L Device:R_Small R25
U 1 1 5C03B7C2
P 1700 3850
F 0 "R25" H 1759 3896 50  0000 L CNN
F 1 "220k" H 1759 3805 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 1700 3850 50  0001 C CNN
F 3 "~" H 1700 3850 50  0001 C CNN
	1    1700 3850
	1    0    0    -1  
$EndComp
Wire Wire Line
	1700 3950 1700 4100
Wire Wire Line
	1700 4100 1200 4100
Connection ~ 1200 4100
Wire Wire Line
	1200 4100 1200 4150
Wire Wire Line
	1700 3650 1800 3650
Connection ~ 1700 3650
Wire Wire Line
	1700 3650 1700 3750
Text HLabel 1800 3650 2    50   Input ~ 0
OUT_8
Wire Wire Line
	850  3250 800  3250
$Comp
L Transistor_BJT:BC856 Q9
U 1 1 5C03B7D1
P 3100 3300
F 0 "Q9" H 3291 3254 50  0000 L CNN
F 1 "BC856" H 3291 3345 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 3300 3225 50  0001 L CIN
F 3 "http://www.fairchildsemi.com/ds/BC/BC856.pdf" H 3100 3300 50  0001 L CNN
	1    3100 3300
	1    0    0    1   
$EndComp
$Comp
L Device:R_Small R31
U 1 1 5C03B7D7
P 2700 3500
F 0 "R31" H 2759 3546 50  0000 L CNN
F 1 "50k" H 2759 3455 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 2700 3500 50  0001 C CNN
F 3 "~" H 2700 3500 50  0001 C CNN
	1    2700 3500
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R30
U 1 1 5C03B7DD
P 2700 3100
F 0 "R30" H 2759 3146 50  0000 L CNN
F 1 "220k" H 2759 3055 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 2700 3100 50  0001 C CNN
F 3 "~" H 2700 3100 50  0001 C CNN
	1    2700 3100
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R27
U 1 1 5C03B7E3
P 2350 3400
F 0 "R27" H 2291 3354 50  0000 R CNN
F 1 "100k" H 2291 3445 50  0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 2350 3400 50  0001 C CNN
F 3 "~" H 2350 3400 50  0001 C CNN
	1    2350 3400
	-1   0    0    1   
$EndComp
Wire Wire Line
	2700 3400 2700 3300
Wire Wire Line
	2700 3300 2900 3300
Wire Wire Line
	2700 3300 2700 3200
Connection ~ 2700 3300
Wire Wire Line
	3200 3100 3200 2950
Wire Wire Line
	2700 3000 2700 2950
Wire Wire Line
	3200 3500 3200 3650
Wire Wire Line
	2700 2950 3200 2950
$Comp
L power:+24V #PWR0146
U 1 1 5C03B7F1
P 2700 2900
F 0 "#PWR0146" H 2700 2750 50  0001 C CNN
F 1 "+24V" H 2715 3073 50  0000 C CNN
F 2 "" H 2700 2900 50  0001 C CNN
F 3 "" H 2700 2900 50  0001 C CNN
	1    2700 2900
	1    0    0    -1  
$EndComp
Connection ~ 2700 2950
Wire Wire Line
	2700 2950 2700 2900
$Comp
L power:GND #PWR0147
U 1 1 5C03B7F9
P 2700 4150
F 0 "#PWR0147" H 2700 3900 50  0001 C CNN
F 1 "GND" H 2705 3977 50  0000 C CNN
F 2 "" H 2700 4150 50  0001 C CNN
F 3 "" H 2700 4150 50  0001 C CNN
	1    2700 4150
	-1   0    0    -1  
$EndComp
Wire Wire Line
	2350 3300 2350 3250
$Comp
L Transistor_FET:BSS138 Q7
U 1 1 5C03B800
P 2600 3850
F 0 "Q7" H 2806 3896 50  0000 L CNN
F 1 "BSS138" H 2806 3805 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 2800 3775 50  0001 L CIN
F 3 "https://www.fairchildsemi.com/datasheets/BS/BSS138.pdf" H 2600 3850 50  0001 L CNN
	1    2600 3850
	1    0    0    -1  
$EndComp
Text HLabel 2300 3250 0    50   Input ~ 0
IN_9
Wire Wire Line
	2700 3650 2700 3600
Wire Wire Line
	2700 4050 2700 4100
Wire Wire Line
	2350 3850 2400 3850
Wire Wire Line
	2350 3850 2350 3500
$Comp
L Device:R_Small R33
U 1 1 5C03B80B
P 3200 3850
F 0 "R33" H 3259 3896 50  0000 L CNN
F 1 "220k" H 3259 3805 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 3200 3850 50  0001 C CNN
F 3 "~" H 3200 3850 50  0001 C CNN
	1    3200 3850
	1    0    0    -1  
$EndComp
Wire Wire Line
	3200 3950 3200 4100
Wire Wire Line
	3200 4100 2700 4100
Connection ~ 2700 4100
Wire Wire Line
	2700 4100 2700 4150
Wire Wire Line
	3200 3650 3300 3650
Connection ~ 3200 3650
Wire Wire Line
	3200 3650 3200 3750
Text HLabel 3300 3650 2    50   Input ~ 0
OUT_9
Wire Wire Line
	2350 3250 2300 3250
$Comp
L Transistor_BJT:BC856 Q13
U 1 1 5C03B81A
P 4600 3300
F 0 "Q13" H 4791 3254 50  0000 L CNN
F 1 "BC856" H 4791 3345 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 4800 3225 50  0001 L CIN
F 3 "http://www.fairchildsemi.com/ds/BC/BC856.pdf" H 4600 3300 50  0001 L CNN
	1    4600 3300
	1    0    0    1   
$EndComp
$Comp
L Device:R_Small R39
U 1 1 5C03B820
P 4200 3500
F 0 "R39" H 4259 3546 50  0000 L CNN
F 1 "50k" H 4259 3455 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 4200 3500 50  0001 C CNN
F 3 "~" H 4200 3500 50  0001 C CNN
	1    4200 3500
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R38
U 1 1 5C03B826
P 4200 3100
F 0 "R38" H 4259 3146 50  0000 L CNN
F 1 "220k" H 4259 3055 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 4200 3100 50  0001 C CNN
F 3 "~" H 4200 3100 50  0001 C CNN
	1    4200 3100
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R35
U 1 1 5C03B82C
P 3850 3400
F 0 "R35" H 3791 3354 50  0000 R CNN
F 1 "100k" H 3791 3445 50  0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 3850 3400 50  0001 C CNN
F 3 "~" H 3850 3400 50  0001 C CNN
	1    3850 3400
	-1   0    0    1   
$EndComp
Wire Wire Line
	4200 3400 4200 3300
Wire Wire Line
	4200 3300 4400 3300
Wire Wire Line
	4200 3300 4200 3200
Connection ~ 4200 3300
Wire Wire Line
	4700 3100 4700 2950
Wire Wire Line
	4200 3000 4200 2950
Wire Wire Line
	4700 3500 4700 3650
Wire Wire Line
	4200 2950 4700 2950
$Comp
L power:+24V #PWR0148
U 1 1 5C03B83A
P 4200 2900
F 0 "#PWR0148" H 4200 2750 50  0001 C CNN
F 1 "+24V" H 4215 3073 50  0000 C CNN
F 2 "" H 4200 2900 50  0001 C CNN
F 3 "" H 4200 2900 50  0001 C CNN
	1    4200 2900
	1    0    0    -1  
$EndComp
Connection ~ 4200 2950
Wire Wire Line
	4200 2950 4200 2900
$Comp
L power:GND #PWR0149
U 1 1 5C03B842
P 4200 4150
F 0 "#PWR0149" H 4200 3900 50  0001 C CNN
F 1 "GND" H 4205 3977 50  0000 C CNN
F 2 "" H 4200 4150 50  0001 C CNN
F 3 "" H 4200 4150 50  0001 C CNN
	1    4200 4150
	-1   0    0    -1  
$EndComp
Wire Wire Line
	3850 3300 3850 3250
$Comp
L Transistor_FET:BSS138 Q11
U 1 1 5C03B849
P 4100 3850
F 0 "Q11" H 4306 3896 50  0000 L CNN
F 1 "BSS138" H 4306 3805 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 4300 3775 50  0001 L CIN
F 3 "https://www.fairchildsemi.com/datasheets/BS/BSS138.pdf" H 4100 3850 50  0001 L CNN
	1    4100 3850
	1    0    0    -1  
$EndComp
Text HLabel 3800 3250 0    50   Input ~ 0
IN_10
Wire Wire Line
	4200 3650 4200 3600
Wire Wire Line
	4200 4050 4200 4100
Wire Wire Line
	3850 3850 3900 3850
Wire Wire Line
	3850 3850 3850 3500
$Comp
L Device:R_Small R41
U 1 1 5C03B854
P 4700 3850
F 0 "R41" H 4759 3896 50  0000 L CNN
F 1 "220k" H 4759 3805 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 4700 3850 50  0001 C CNN
F 3 "~" H 4700 3850 50  0001 C CNN
	1    4700 3850
	1    0    0    -1  
$EndComp
Wire Wire Line
	4700 3950 4700 4100
Wire Wire Line
	4700 4100 4200 4100
Connection ~ 4200 4100
Wire Wire Line
	4200 4100 4200 4150
Wire Wire Line
	4700 3650 4800 3650
Connection ~ 4700 3650
Wire Wire Line
	4700 3650 4700 3750
Text HLabel 4800 3650 2    50   Input ~ 0
OUT_10
Wire Wire Line
	3850 3250 3800 3250
$Comp
L Transistor_BJT:BC856 Q17
U 1 1 5C03B863
P 6100 3300
F 0 "Q17" H 6291 3254 50  0000 L CNN
F 1 "BC856" H 6291 3345 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 6300 3225 50  0001 L CIN
F 3 "http://www.fairchildsemi.com/ds/BC/BC856.pdf" H 6100 3300 50  0001 L CNN
	1    6100 3300
	1    0    0    1   
$EndComp
$Comp
L Device:R_Small R47
U 1 1 5C03B869
P 5700 3500
F 0 "R47" H 5759 3546 50  0000 L CNN
F 1 "50k" H 5759 3455 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 5700 3500 50  0001 C CNN
F 3 "~" H 5700 3500 50  0001 C CNN
	1    5700 3500
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R46
U 1 1 5C03B86F
P 5700 3100
F 0 "R46" H 5759 3146 50  0000 L CNN
F 1 "220k" H 5759 3055 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 5700 3100 50  0001 C CNN
F 3 "~" H 5700 3100 50  0001 C CNN
	1    5700 3100
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R43
U 1 1 5C03B875
P 5350 3400
F 0 "R43" H 5291 3354 50  0000 R CNN
F 1 "100k" H 5291 3445 50  0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 5350 3400 50  0001 C CNN
F 3 "~" H 5350 3400 50  0001 C CNN
	1    5350 3400
	-1   0    0    1   
$EndComp
Wire Wire Line
	5700 3400 5700 3300
Wire Wire Line
	5700 3300 5900 3300
Wire Wire Line
	5700 3300 5700 3200
Connection ~ 5700 3300
Wire Wire Line
	6200 3100 6200 2950
Wire Wire Line
	5700 3000 5700 2950
Wire Wire Line
	6200 3500 6200 3650
Wire Wire Line
	5700 2950 6200 2950
$Comp
L power:+24V #PWR0150
U 1 1 5C03B883
P 5700 2900
F 0 "#PWR0150" H 5700 2750 50  0001 C CNN
F 1 "+24V" H 5715 3073 50  0000 C CNN
F 2 "" H 5700 2900 50  0001 C CNN
F 3 "" H 5700 2900 50  0001 C CNN
	1    5700 2900
	1    0    0    -1  
$EndComp
Connection ~ 5700 2950
Wire Wire Line
	5700 2950 5700 2900
$Comp
L power:GND #PWR0151
U 1 1 5C03B88B
P 5700 4150
F 0 "#PWR0151" H 5700 3900 50  0001 C CNN
F 1 "GND" H 5705 3977 50  0000 C CNN
F 2 "" H 5700 4150 50  0001 C CNN
F 3 "" H 5700 4150 50  0001 C CNN
	1    5700 4150
	-1   0    0    -1  
$EndComp
Wire Wire Line
	5350 3300 5350 3250
$Comp
L Transistor_FET:BSS138 Q15
U 1 1 5C03B892
P 5600 3850
F 0 "Q15" H 5806 3896 50  0000 L CNN
F 1 "BSS138" H 5806 3805 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 5800 3775 50  0001 L CIN
F 3 "https://www.fairchildsemi.com/datasheets/BS/BSS138.pdf" H 5600 3850 50  0001 L CNN
	1    5600 3850
	1    0    0    -1  
$EndComp
Text HLabel 5300 3250 0    50   Input ~ 0
IN_11
Wire Wire Line
	5700 3650 5700 3600
Wire Wire Line
	5700 4050 5700 4100
Wire Wire Line
	5350 3850 5400 3850
Wire Wire Line
	5350 3850 5350 3500
$Comp
L Device:R_Small R49
U 1 1 5C03B89D
P 6200 3850
F 0 "R49" H 6259 3896 50  0000 L CNN
F 1 "220k" H 6259 3805 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" 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
	6200 3950 6200 4100
Wire Wire Line
	6200 4100 5700 4100
Connection ~ 5700 4100
Wire Wire Line
	5700 4100 5700 4150
Wire Wire Line
	6200 3650 6300 3650
Connection ~ 6200 3650
Wire Wire Line
	6200 3650 6200 3750
Text HLabel 6300 3650 2    50   Input ~ 0
OUT_11
Wire Wire Line
	5350 3250 5300 3250
$Comp
L Transistor_BJT:BC856 Q21
U 1 1 5C03B8AC
P 7600 3300
F 0 "Q21" H 7791 3254 50  0000 L CNN
F 1 "BC856" H 7791 3345 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 7800 3225 50  0001 L CIN
F 3 "http://www.fairchildsemi.com/ds/BC/BC856.pdf" H 7600 3300 50  0001 L CNN
	1    7600 3300
	1    0    0    1   
$EndComp
$Comp
L Device:R_Small R55
U 1 1 5C03B8B2
P 7200 3500
F 0 "R55" H 7259 3546 50  0000 L CNN
F 1 "50k" H 7259 3455 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 7200 3500 50  0001 C CNN
F 3 "~" H 7200 3500 50  0001 C CNN
	1    7200 3500
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R54
U 1 1 5C03B8B8
P 7200 3100
F 0 "R54" H 7259 3146 50  0000 L CNN
F 1 "220k" H 7259 3055 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 7200 3100 50  0001 C CNN
F 3 "~" H 7200 3100 50  0001 C CNN
	1    7200 3100
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R51
U 1 1 5C03B8BE
P 6850 3400
F 0 "R51" H 6791 3354 50  0000 R CNN
F 1 "100k" H 6791 3445 50  0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 6850 3400 50  0001 C CNN
F 3 "~" H 6850 3400 50  0001 C CNN
	1    6850 3400
	-1   0    0    1   
$EndComp
Wire Wire Line
	7200 3400 7200 3300
Wire Wire Line
	7200 3300 7400 3300
Wire Wire Line
	7200 3300 7200 3200
Connection ~ 7200 3300
Wire Wire Line
	7700 3100 7700 2950
Wire Wire Line
	7200 3000 7200 2950
Wire Wire Line
	7700 3500 7700 3650
Wire Wire Line
	7200 2950 7700 2950
$Comp
L power:+24V #PWR0152
U 1 1 5C03B8CC
P 7200 2900
F 0 "#PWR0152" H 7200 2750 50  0001 C CNN
F 1 "+24V" H 7215 3073 50  0000 C CNN
F 2 "" H 7200 2900 50  0001 C CNN
F 3 "" H 7200 2900 50  0001 C CNN
	1    7200 2900
	1    0    0    -1  
$EndComp
Connection ~ 7200 2950
Wire Wire Line
	7200 2950 7200 2900
$Comp
L power:GND #PWR0153
U 1 1 5C03B8D4
P 7200 4150
F 0 "#PWR0153" H 7200 3900 50  0001 C CNN
F 1 "GND" H 7205 3977 50  0000 C CNN
F 2 "" H 7200 4150 50  0001 C CNN
F 3 "" H 7200 4150 50  0001 C CNN
	1    7200 4150
	-1   0    0    -1  
$EndComp
Wire Wire Line
	6850 3300 6850 3250
$Comp
L Transistor_FET:BSS138 Q19
U 1 1 5C03B8DB
P 7100 3850
F 0 "Q19" H 7306 3896 50  0000 L CNN
F 1 "BSS138" H 7306 3805 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 7300 3775 50  0001 L CIN
F 3 "https://www.fairchildsemi.com/datasheets/BS/BSS138.pdf" H 7100 3850 50  0001 L CNN
	1    7100 3850
	1    0    0    -1  
$EndComp
Text HLabel 6800 3250 0    50   Input ~ 0
IN_12
Wire Wire Line
	7200 3650 7200 3600
Wire Wire Line
	7200 4050 7200 4100
Wire Wire Line
	6850 3850 6900 3850
Wire Wire Line
	6850 3850 6850 3500
$Comp
L Device:R_Small R57
U 1 1 5C03B8E6
P 7700 3850
F 0 "R57" H 7759 3896 50  0000 L CNN
F 1 "220k" H 7759 3805 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 7700 3850 50  0001 C CNN
F 3 "~" H 7700 3850 50  0001 C CNN
	1    7700 3850
	1    0    0    -1  
$EndComp
Wire Wire Line
	7700 3950 7700 4100
Wire Wire Line
	7700 4100 7200 4100
Connection ~ 7200 4100
Wire Wire Line
	7200 4100 7200 4150
Wire Wire Line
	7700 3650 7800 3650
Connection ~ 7700 3650
Wire Wire Line
	7700 3650 7700 3750
Text HLabel 7800 3650 2    50   Input ~ 0
OUT_12
Wire Wire Line
	6850 3250 6800 3250
$Comp
L Transistor_BJT:BC856 Q25
U 1 1 5C03B8F5
P 9100 3300
F 0 "Q25" H 9291 3254 50  0000 L CNN
F 1 "BC856" H 9291 3345 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 9300 3225 50  0001 L CIN
F 3 "http://www.fairchildsemi.com/ds/BC/BC856.pdf" H 9100 3300 50  0001 L CNN
	1    9100 3300
	1    0    0    1   
$EndComp
$Comp
L Device:R_Small R63
U 1 1 5C03B8FB
P 8700 3500
F 0 "R63" H 8759 3546 50  0000 L CNN
F 1 "50k" H 8759 3455 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 8700 3500 50  0001 C CNN
F 3 "~" H 8700 3500 50  0001 C CNN
	1    8700 3500
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R62
U 1 1 5C03B901
P 8700 3100
F 0 "R62" H 8759 3146 50  0000 L CNN
F 1 "220k" H 8759 3055 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 8700 3100 50  0001 C CNN
F 3 "~" H 8700 3100 50  0001 C CNN
	1    8700 3100
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R59
U 1 1 5C03B907
P 8350 3400
F 0 "R59" H 8291 3354 50  0000 R CNN
F 1 "100k" H 8291 3445 50  0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 8350 3400 50  0001 C CNN
F 3 "~" H 8350 3400 50  0001 C CNN
	1    8350 3400
	-1   0    0    1   
$EndComp
Wire Wire Line
	8700 3400 8700 3300
Wire Wire Line
	8700 3300 8900 3300
Wire Wire Line
	8700 3300 8700 3200
Connection ~ 8700 3300
Wire Wire Line
	9200 3100 9200 2950
Wire Wire Line
	8700 3000 8700 2950
Wire Wire Line
	9200 3500 9200 3650
Wire Wire Line
	8700 2950 9200 2950
$Comp
L power:+24V #PWR0154
U 1 1 5C03B915
P 8700 2900
F 0 "#PWR0154" H 8700 2750 50  0001 C CNN
F 1 "+24V" H 8715 3073 50  0000 C CNN
F 2 "" H 8700 2900 50  0001 C CNN
F 3 "" H 8700 2900 50  0001 C CNN
	1    8700 2900
	1    0    0    -1  
$EndComp
Connection ~ 8700 2950
Wire Wire Line
	8700 2950 8700 2900
$Comp
L power:GND #PWR0155
U 1 1 5C03B91D
P 8700 4150
F 0 "#PWR0155" H 8700 3900 50  0001 C CNN
F 1 "GND" H 8705 3977 50  0000 C CNN
F 2 "" H 8700 4150 50  0001 C CNN
F 3 "" H 8700 4150 50  0001 C CNN
	1    8700 4150
	-1   0    0    -1  
$EndComp
Wire Wire Line
	8350 3300 8350 3250
$Comp
L Transistor_FET:BSS138 Q23
U 1 1 5C03B924
P 8600 3850
F 0 "Q23" H 8806 3896 50  0000 L CNN
F 1 "BSS138" H 8806 3805 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 8800 3775 50  0001 L CIN
F 3 "https://www.fairchildsemi.com/datasheets/BS/BSS138.pdf" H 8600 3850 50  0001 L CNN
	1    8600 3850
	1    0    0    -1  
$EndComp
Text HLabel 8300 3250 0    50   Input ~ 0
IN_13
Wire Wire Line
	8700 3650 8700 3600
Wire Wire Line
	8700 4050 8700 4100
Wire Wire Line
	8350 3850 8400 3850
Wire Wire Line
	8350 3850 8350 3500
$Comp
L Device:R_Small R65
U 1 1 5C03B92F
P 9200 3850
F 0 "R65" H 9259 3896 50  0000 L CNN
F 1 "220k" H 9259 3805 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 9200 3850 50  0001 C CNN
F 3 "~" H 9200 3850 50  0001 C CNN
	1    9200 3850
	1    0    0    -1  
$EndComp
Wire Wire Line
	9200 3950 9200 4100
Wire Wire Line
	9200 4100 8700 4100
Connection ~ 8700 4100
Wire Wire Line
	8700 4100 8700 4150
Wire Wire Line
	9200 3650 9300 3650
Connection ~ 9200 3650
Wire Wire Line
	9200 3650 9200 3750
Text HLabel 9300 3650 2    50   Input ~ 0
OUT_13
Wire Wire Line
	8350 3250 8300 3250
$Comp
L Transistor_BJT:BC856 Q28
U 1 1 5C06BE03
P 10600 1400
F 0 "Q28" H 10791 1354 50  0000 L CNN
F 1 "BC856" H 10791 1445 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 10800 1325 50  0001 L CIN
F 3 "http://www.fairchildsemi.com/ds/BC/BC856.pdf" H 10600 1400 50  0001 L CNN
	1    10600 1400
	1    0    0    1   
$EndComp
$Comp
L Device:R_Small R69
U 1 1 5C06BE09
P 10200 1600
F 0 "R69" H 10259 1646 50  0000 L CNN
F 1 "50k" H 10259 1555 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 10200 1600 50  0001 C CNN
F 3 "~" H 10200 1600 50  0001 C CNN
	1    10200 1600
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R68
U 1 1 5C06BE0F
P 10200 1200
F 0 "R68" H 10259 1246 50  0000 L CNN
F 1 "220k" H 10259 1155 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 10200 1200 50  0001 C CNN
F 3 "~" H 10200 1200 50  0001 C CNN
	1    10200 1200
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R66
U 1 1 5C06BE15
P 9850 1500
F 0 "R66" H 9791 1454 50  0000 R CNN
F 1 "100k" H 9791 1545 50  0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 9850 1500 50  0001 C CNN
F 3 "~" H 9850 1500 50  0001 C CNN
	1    9850 1500
	-1   0    0    1   
$EndComp
Wire Wire Line
	10200 1500 10200 1400
Wire Wire Line
	10200 1400 10400 1400
Wire Wire Line
	10200 1400 10200 1300
Connection ~ 10200 1400
Wire Wire Line
	10700 1200 10700 1050
Wire Wire Line
	10200 1100 10200 1050
Wire Wire Line
	10700 1600 10700 1750
Wire Wire Line
	10200 1050 10700 1050
$Comp
L power:+24V #PWR0156
U 1 1 5C06BE23
P 10200 1000
F 0 "#PWR0156" H 10200 850 50  0001 C CNN
F 1 "+24V" H 10215 1173 50  0000 C CNN
F 2 "" H 10200 1000 50  0001 C CNN
F 3 "" H 10200 1000 50  0001 C CNN
	1    10200 1000
	1    0    0    -1  
$EndComp
Connection ~ 10200 1050
Wire Wire Line
	10200 1050 10200 1000
$Comp
L power:GND #PWR0157
U 1 1 5C06BE2B
P 10200 2250
F 0 "#PWR0157" H 10200 2000 50  0001 C CNN
F 1 "GND" H 10205 2077 50  0000 C CNN
F 2 "" H 10200 2250 50  0001 C CNN
F 3 "" H 10200 2250 50  0001 C CNN
	1    10200 2250
	-1   0    0    -1  
$EndComp
Wire Wire Line
	9850 1400 9850 1350
$Comp
L Transistor_FET:BSS138 Q26
U 1 1 5C06BE32
P 10100 1950
F 0 "Q26" H 10306 1996 50  0000 L CNN
F 1 "BSS138" H 10306 1905 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 10300 1875 50  0001 L CIN
F 3 "https://www.fairchildsemi.com/datasheets/BS/BSS138.pdf" H 10100 1950 50  0001 L CNN
	1    10100 1950
	1    0    0    -1  
$EndComp
Text HLabel 9800 1350 0    50   Input ~ 0
IN_7
Wire Wire Line
	10200 1750 10200 1700
Wire Wire Line
	10200 2150 10200 2200
Wire Wire Line
	9850 1950 9900 1950
Wire Wire Line
	9850 1950 9850 1600
$Comp
L Device:R_Small R72
U 1 1 5C06BE3D
P 10700 1950
F 0 "R72" H 10759 1996 50  0000 L CNN
F 1 "220k" H 10759 1905 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 10700 1950 50  0001 C CNN
F 3 "~" H 10700 1950 50  0001 C CNN
	1    10700 1950
	1    0    0    -1  
$EndComp
Wire Wire Line
	10700 2050 10700 2200
Wire Wire Line
	10700 2200 10200 2200
Connection ~ 10200 2200
Wire Wire Line
	10200 2200 10200 2250
Wire Wire Line
	10700 1750 10800 1750
Connection ~ 10700 1750
Wire Wire Line
	10700 1750 10700 1850
Text HLabel 10800 1750 2    50   Input ~ 0
OUT_7
Wire Wire Line
	9850 1350 9800 1350
$Comp
L Transistor_BJT:BC856 Q29
U 1 1 5C06BE4C
P 10600 3300
F 0 "Q29" H 10791 3254 50  0000 L CNN
F 1 "BC856" H 10791 3345 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 10800 3225 50  0001 L CIN
F 3 "http://www.fairchildsemi.com/ds/BC/BC856.pdf" H 10600 3300 50  0001 L CNN
	1    10600 3300
	1    0    0    1   
$EndComp
$Comp
L Device:R_Small R71
U 1 1 5C06BE52
P 10200 3500
F 0 "R71" H 10259 3546 50  0000 L CNN
F 1 "50k" H 10259 3455 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 10200 3500 50  0001 C CNN
F 3 "~" H 10200 3500 50  0001 C CNN
	1    10200 3500
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R70
U 1 1 5C06BE58
P 10200 3100
F 0 "R70" H 10259 3146 50  0000 L CNN
F 1 "220k" H 10259 3055 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 10200 3100 50  0001 C CNN
F 3 "~" H 10200 3100 50  0001 C CNN
	1    10200 3100
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R67
U 1 1 5C06BE5E
P 9850 3400
F 0 "R67" H 9791 3354 50  0000 R CNN
F 1 "100k" H 9791 3445 50  0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 9850 3400 50  0001 C CNN
F 3 "~" H 9850 3400 50  0001 C CNN
	1    9850 3400
	-1   0    0    1   
$EndComp
Wire Wire Line
	10200 3400 10200 3300
Wire Wire Line
	10200 3300 10400 3300
Wire Wire Line
	10200 3300 10200 3200
Connection ~ 10200 3300
Wire Wire Line
	10700 3100 10700 2950
Wire Wire Line
	10200 3000 10200 2950
Wire Wire Line
	10700 3500 10700 3650
Wire Wire Line
	10200 2950 10700 2950
$Comp
L power:+24V #PWR0158
U 1 1 5C06BE6C
P 10200 2900
F 0 "#PWR0158" H 10200 2750 50  0001 C CNN
F 1 "+24V" H 10215 3073 50  0000 C CNN
F 2 "" H 10200 2900 50  0001 C CNN
F 3 "" H 10200 2900 50  0001 C CNN
	1    10200 2900
	1    0    0    -1  
$EndComp
Connection ~ 10200 2950
Wire Wire Line
	10200 2950 10200 2900
$Comp
L power:GND #PWR0159
U 1 1 5C06BE74
P 10200 4150
F 0 "#PWR0159" H 10200 3900 50  0001 C CNN
F 1 "GND" H 10205 3977 50  0000 C CNN
F 2 "" H 10200 4150 50  0001 C CNN
F 3 "" H 10200 4150 50  0001 C CNN
	1    10200 4150
	-1   0    0    -1  
$EndComp
Wire Wire Line
	9850 3300 9850 3250
$Comp
L Transistor_FET:BSS138 Q27
U 1 1 5C06BE7B
P 10100 3850
F 0 "Q27" H 10306 3896 50  0000 L CNN
F 1 "BSS138" H 10306 3805 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 10300 3775 50  0001 L CIN
F 3 "https://www.fairchildsemi.com/datasheets/BS/BSS138.pdf" H 10100 3850 50  0001 L CNN
	1    10100 3850
	1    0    0    -1  
$EndComp
Text HLabel 9800 3250 0    50   Input ~ 0
IN_14
Wire Wire Line
	10200 3650 10200 3600
Wire Wire Line
	10200 4050 10200 4100
Wire Wire Line
	9850 3850 9900 3850
Wire Wire Line
	9850 3850 9850 3500
$Comp
L Device:R_Small R73
U 1 1 5C06BE86
P 10700 3850
F 0 "R73" H 10759 3896 50  0000 L CNN
F 1 "220k" H 10759 3805 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 10700 3850 50  0001 C CNN
F 3 "~" H 10700 3850 50  0001 C CNN
	1    10700 3850
	1    0    0    -1  
$EndComp
Wire Wire Line
	10700 3950 10700 4100
Wire Wire Line
	10700 4100 10200 4100
Connection ~ 10200 4100
Wire Wire Line
	10200 4100 10200 4150
Wire Wire Line
	10700 3650 10800 3650
Connection ~ 10700 3650
Wire Wire Line
	10700 3650 10700 3750
Text HLabel 10800 3650 2    50   Input ~ 0
OUT_14
Wire Wire Line
	9850 3250 9800 3250
$EndSCHEMATC