EESchema Schematic File Version 4
LIBS:INSTR AMP-cache
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
Wire Wire Line
	3200 1150 3200 1650
Wire Wire Line
	2750 1150 2750 1250
Connection ~ 2750 1250
$Comp
L Device:R R1
U 1 1 60F1A275
P 2400 1250
F 0 "R1" V 2230 1200 50  0000 C CNN
F 1 "10k0" V 2310 1240 50  0000 C CNN
F 2 "" V 2330 1250 50  0001 C CNN
F 3 "~" H 2400 1250 50  0001 C CNN
	1    2400 1250
	0    1    1    0   
$EndComp
$Comp
L Device:R R2
U 1 1 60F1A887
P 2400 1650
F 0 "R2" V 2490 1600 50  0000 C CNN
F 1 "10k0" V 2570 1640 50  0000 C CNN
F 2 "" V 2330 1650 50  0001 C CNN
F 3 "~" H 2400 1650 50  0001 C CNN
	1    2400 1650
	0    1    1    0   
$EndComp
$Comp
L Device:R R35
U 1 1 60F1AEF8
P 5175 4600
F 0 "R35" V 5325 4650 50  0000 C CNN
F 1 "10k0" V 5250 4625 50  0000 C CNN
F 2 "" V 5105 4600 50  0001 C CNN
F 3 "~" H 5175 4600 50  0001 C CNN
	1    5175 4600
	0    -1   -1   0   
$EndComp
$Comp
L Device:R R45
U 1 1 60F1B372
P 1950 6050
F 0 "R45" V 1950 6025 40  0000 C CNN
F 1 "10" V 1900 6225 40  0000 C CNN
F 2 "" V 1880 6050 50  0001 C CNN
F 3 "~" H 1950 6050 50  0001 C CNN
	1    1950 6050
	0    1    1    0   
$EndComp
$Comp
L Device:Varistor VDR1
U 1 1 60F1CD8E
P 2100 1450
F 0 "VDR1" H 2203 1496 50  0000 L CNN
F 1 "S05k30" H 2203 1405 50  0000 L CNN
F 2 "" V 2030 1450 50  0001 C CNN
F 3 "~" H 2100 1450 50  0001 C CNN
	1    2100 1450
	1    0    0    -1  
$EndComp
Wire Wire Line
	2250 1250 2100 1250
Wire Wire Line
	2100 1600 2100 1650
Connection ~ 2100 1650
Wire Wire Line
	2100 1650 2250 1650
Wire Wire Line
	2100 1300 2100 1250
Connection ~ 2100 1250
$Comp
L power:+12V #PWR0101
U 1 1 60F248EC
P 2750 850
F 0 "#PWR0101" H 2750 700 50  0001 C CNN
F 1 "+12V" H 2765 1023 50  0000 C CNN
F 2 "" H 2750 850 50  0001 C CNN
F 3 "" H 2750 850 50  0001 C CNN
	1    2750 850 
	1    0    0    -1  
$EndComp
$Comp
L power:+12V #PWR0102
U 1 1 60F25174
P 3200 850
F 0 "#PWR0102" H 3200 700 50  0001 C CNN
F 1 "+12V" H 3215 1023 50  0000 C CNN
F 2 "" H 3200 850 50  0001 C CNN
F 3 "" H 3200 850 50  0001 C CNN
	1    3200 850 
	1    0    0    -1  
$EndComp
$Comp
L power:+12V #PWR0103
U 1 1 60F29106
P 4500 850
F 0 "#PWR0103" H 4500 700 50  0001 C CNN
F 1 "+12V" H 4515 1023 50  0000 C CNN
F 2 "" H 4500 850 50  0001 C CNN
F 3 "" H 4500 850 50  0001 C CNN
	1    4500 850 
	1    0    0    -1  
$EndComp
$Comp
L power:-12V #PWR0104
U 1 1 60F2B72A
P 2650 2050
F 0 "#PWR0104" H 2650 2150 50  0001 C CNN
F 1 "-12V" H 2665 2223 50  0000 C CNN
F 2 "" H 2650 2050 50  0001 C CNN
F 3 "" H 2650 2050 50  0001 C CNN
	1    2650 2050
	1    0    0    1   
$EndComp
$Comp
L power:-12V #PWR0105
U 1 1 60F2EA6F
P 3075 2050
F 0 "#PWR0105" H 3075 2150 50  0001 C CNN
F 1 "-12V" H 3090 2223 50  0000 C CNN
F 2 "" H 3075 2050 50  0001 C CNN
F 3 "" H 3075 2050 50  0001 C CNN
	1    3075 2050
	1    0    0    1   
$EndComp
$Comp
L power:-12V #PWR0106
U 1 1 60F2F4C5
P 4500 2050
F 0 "#PWR0106" H 4500 2150 50  0001 C CNN
F 1 "-12V" H 4515 2223 50  0000 C CNN
F 2 "" H 4500 2050 50  0001 C CNN
F 3 "" H 4500 2050 50  0001 C CNN
	1    4500 2050
	1    0    0    1   
$EndComp
$Comp
L power:GNDA #PWR0107
U 1 1 60EFC483
P 4250 2050
F 0 "#PWR0107" H 4250 1800 50  0001 C CNN
F 1 "GNDA" H 4255 1877 50  0000 C CNN
F 2 "" H 4250 2050 50  0001 C CNN
F 3 "" H 4250 2050 50  0001 C CNN
	1    4250 2050
	1    0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR0108
U 1 1 60EFD169
P 4600 1875
F 0 "#PWR0108" H 4600 1625 50  0001 C CNN
F 1 "GNDA" H 4775 1800 50  0000 C CNN
F 2 "" H 4600 1875 50  0001 C CNN
F 3 "" H 4600 1875 50  0001 C CNN
	1    4600 1875
	1    0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR0109
U 1 1 60EFEE60
P 5050 1075
F 0 "#PWR0109" H 5050 825 50  0001 C CNN
F 1 "GNDA" H 5055 902 50  0000 C CNN
F 2 "" H 5050 1075 50  0001 C CNN
F 3 "" H 5050 1075 50  0001 C CNN
	1    5050 1075
	1    0    0    -1  
$EndComp
Connection ~ 3200 1650
$Comp
L Device:R R6
U 1 1 61250715
P 2050 3500
F 0 "R6" H 2200 3425 50  0000 C CNN
F 1 "470" H 2175 3500 50  0000 C CNN
F 2 "" V 1980 3500 50  0001 C CNN
F 3 "~" H 2050 3500 50  0001 C CNN
	1    2050 3500
	-1   0    0    1   
$EndComp
$Comp
L Device:R R16
U 1 1 61252109
P 6975 2550
F 0 "R16" H 7125 2625 50  0000 C CNN
F 1 "100k" H 7125 2550 50  0000 C CNN
F 2 "" V 6905 2550 50  0001 C CNN
F 3 "~" H 6975 2550 50  0001 C CNN
	1    6975 2550
	1    0    0    -1  
$EndComp
$Comp
L Relay:DIPxx-1Axx-12xD K3
U 1 1 61253419
P 3550 2950
F 0 "K3" H 3500 2675 50  0000 R CNN
F 1 "DIP12-1A72-12D" H 3095 2995 50  0001 R CNN
F 2 "Relay_THT:Relay_StandexMeder_DIP_LowProfile" H 3900 2900 50  0001 L CNN
F 3 "https://standexelectronics.com/wp-content/uploads/datasheet_reed_relay_DIP.pdf" H 3550 2950 50  0001 C CNN
	1    3550 2950
	1    0    0    1   
$EndComp
$Comp
L Relay:DIPxx-1Axx-12xD K2
U 1 1 612587CB
P 2750 2950
F 0 "K2" H 2725 2675 50  0000 R CNN
F 1 "DIP12-1A72-12D" H 2295 2995 50  0001 R CNN
F 2 "Relay_THT:Relay_StandexMeder_DIP_LowProfile" H 3100 2900 50  0001 L CNN
F 3 "https://standexelectronics.com/wp-content/uploads/datasheet_reed_relay_DIP.pdf" H 2750 2950 50  0001 C CNN
	1    2750 2950
	1    0    0    1   
$EndComp
$Comp
L Relay:DIPxx-1Axx-12xD K1
U 1 1 61259550
P 1950 2950
F 0 "K1" H 1925 2675 50  0000 R CNN
F 1 "DIP12-1A72-12D" H 1450 3000 25  0001 R CNN
F 2 "Relay_THT:Relay_StandexMeder_DIP_LowProfile" H 2300 2900 50  0001 L CNN
F 3 "https://standexelectronics.com/wp-content/uploads/datasheet_reed_relay_DIP.pdf" H 1950 2950 50  0001 C CNN
	1    1950 2950
	1    0    0    1   
$EndComp
$Comp
L Relay:DIPxx-1Axx-12xD K4
U 1 1 6125782C
P 5050 2950
F 0 "K4" H 5000 2675 50  0000 R CNN
F 1 "DIP12-1A72-12D" H 4595 2995 50  0001 R CNN
F 2 "Relay_THT:Relay_StandexMeder_DIP_LowProfile" H 5400 2900 50  0001 L CNN
F 3 "https://standexelectronics.com/wp-content/uploads/datasheet_reed_relay_DIP.pdf" H 5050 2950 50  0001 C CNN
	1    5050 2950
	1    0    0    1   
$EndComp
$Comp
L Device:R R8
U 1 1 612AB4D6
P 2850 3500
F 0 "R8" H 3000 3425 50  0000 C CNN
F 1 "15k" H 2975 3500 50  0000 C CNN
F 2 "" V 2780 3500 50  0001 C CNN
F 3 "~" H 2850 3500 50  0001 C CNN
	1    2850 3500
	-1   0    0    1   
$EndComp
$Comp
L Device:R R10
U 1 1 612ABB7B
P 3650 3500
F 0 "R10" H 3800 3425 50  0000 C CNN
F 1 "15k" H 3775 3500 50  0000 C CNN
F 2 "" V 3580 3500 50  0001 C CNN
F 3 "~" H 3650 3500 50  0001 C CNN
	1    3650 3500
	-1   0    0    1   
$EndComp
$Comp
L Device:R R5
U 1 1 612AC381
P 5250 2400
F 0 "R5" H 5450 2325 50  0000 C CNN
F 1 "10k0" H 5400 2400 50  0000 C CNN
F 2 "" V 5180 2400 50  0001 C CNN
F 3 "~" H 5250 2400 50  0001 C CNN
	1    5250 2400
	-1   0    0    1   
$EndComp
$Comp
L Device:RTRIM VR1
U 1 1 612B1DF8
P 2150 3900
F 0 "VR1" H 1925 3975 50  0000 L CNN
F 1 "1k" H 1925 3900 50  0000 L CNN
F 2 "" V 2080 3900 50  0001 C CNN
F 3 "~" H 2150 3900 50  0001 C CNN
	1    2150 3900
	1    0    0    -1  
$EndComp
$Comp
L Device:RTRIM VR2
U 1 1 612B2998
P 2950 3900
F 0 "VR2" H 2725 3975 50  0000 L CNN
F 1 "5k" H 2725 3900 50  0000 L CNN
F 2 "" V 2880 3900 50  0001 C CNN
F 3 "~" H 2950 3900 50  0001 C CNN
	1    2950 3900
	1    0    0    -1  
$EndComp
$Comp
L Device:RTRIM VR3
U 1 1 612B2D08
P 3750 3900
F 0 "VR3" H 3525 3975 50  0000 L CNN
F 1 "10k" H 3525 3900 50  0000 L CNN
F 2 "" V 3680 3900 50  0001 C CNN
F 3 "~" H 3750 3900 50  0001 C CNN
	1    3750 3900
	1    0    0    -1  
$EndComp
Wire Wire Line
	2150 4150 2950 4150
Wire Wire Line
	2150 4050 2150 4150
Wire Wire Line
	2150 3650 2150 3750
Wire Wire Line
	2150 3250 2150 3350
Wire Wire Line
	2950 3250 2950 3350
Wire Wire Line
	3750 3250 3750 3350
Wire Wire Line
	3750 3650 3750 3750
Wire Wire Line
	2950 3750 2950 3650
Wire Wire Line
	2950 4050 2950 4150
Connection ~ 2950 4150
Wire Wire Line
	2950 4150 3750 4150
Wire Wire Line
	3750 4050 3750 4150
Wire Wire Line
	2150 2650 2150 2550
Wire Wire Line
	4500 850  4500 975 
$Comp
L Device:R R3
U 1 1 61251532
P 5050 1450
F 0 "R3" V 4950 1500 50  0000 C CNN
F 1 "10k0" V 4875 1450 50  0000 C CNN
F 2 "" V 4980 1450 50  0001 C CNN
F 3 "~" H 5050 1450 50  0001 C CNN
	1    5050 1450
	0    -1   -1   0   
$EndComp
Wire Wire Line
	4600 1875 4600 1750
$Comp
L Amplifier_Instrumentation:INA128 B1
U 1 1 60EEE625
P 4500 1450
F 0 "B1" H 4575 1700 50  0000 L CNN
F 1 "INA114" H 4575 1625 50  0000 L CNN
F 2 "" H 4600 1450 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/ina128.pdf" H 4600 1450 50  0001 C CNN
	1    4500 1450
	1    0    0    -1  
$EndComp
Wire Wire Line
	3950 1350 4200 1350
Wire Wire Line
	2150 2550 2950 2550
Wire Wire Line
	3950 1350 3950 2550
Wire Wire Line
	2950 2650 2950 2550
Connection ~ 2950 2550
Wire Wire Line
	2950 2550 3750 2550
Wire Wire Line
	3750 2650 3750 2550
Connection ~ 3750 2550
Wire Wire Line
	3750 2550 3950 2550
Wire Wire Line
	3350 2650 3350 2400
Wire Wire Line
	2550 1650 3075 1650
Wire Wire Line
	3075 1750 3075 1650
Connection ~ 3075 1650
Wire Wire Line
	3075 1650 3200 1650
Wire Wire Line
	2550 1250 2650 1250
Wire Wire Line
	2650 1750 2650 1250
Connection ~ 2650 1250
Wire Wire Line
	2650 1250 2750 1250
Wire Wire Line
	3750 4150 4100 4150
Wire Wire Line
	4100 4150 4100 1550
Wire Wire Line
	4100 1550 4200 1550
Connection ~ 3750 4150
Wire Wire Line
	3350 2400 4850 2400
Wire Wire Line
	4850 2400 4850 2650
Connection ~ 3350 2400
Wire Wire Line
	5250 2550 5250 2650
$Comp
L power:GNDA #PWR0110
U 1 1 612F779D
P 5250 3450
F 0 "#PWR0110" H 5250 3200 50  0001 C CNN
F 1 "GNDA" H 5255 3277 50  0000 C CNN
F 2 "" H 5250 3450 50  0001 C CNN
F 3 "" H 5250 3450 50  0001 C CNN
	1    5250 3450
	1    0    0    -1  
$EndComp
Wire Wire Line
	5250 3250 5250 3450
$Comp
L Switch:SW_DIP_x04 SW1
U 1 1 612FAAB2
P 1300 4500
F 0 "SW1" H 1300 5000 50  0000 C CNN
F 1 "GAIN SIM" H 1300 4900 50  0000 C CNN
F 2 "" H 1300 4500 50  0001 C CNN
F 3 "~" H 1300 4500 50  0001 C CNN
	1    1300 4500
	1    0    0    -1  
$EndComp
Wire Wire Line
	1750 3250 1750 4300
Wire Wire Line
	1750 4300 1600 4300
Wire Wire Line
	2550 4400 2550 3250
Wire Wire Line
	3350 4500 3350 3250
Wire Wire Line
	1000 4300 1000 4400
Connection ~ 1000 4400
Wire Wire Line
	1000 4400 1000 4500
Connection ~ 1000 4500
Wire Wire Line
	1000 4500 1000 4600
Connection ~ 1000 4600
Wire Wire Line
	1000 4600 1000 4800
Wire Wire Line
	1350 2400 1750 2400
Wire Wire Line
	1750 2650 1750 2400
Connection ~ 1750 2400
Wire Wire Line
	1750 2400 2550 2400
Wire Wire Line
	2550 2650 2550 2400
Connection ~ 2550 2400
Wire Wire Line
	2550 2400 3350 2400
$Comp
L Device:C C3
U 1 1 61327CBB
P 4250 1900
F 0 "C3" H 4125 2025 50  0000 L CNN
F 1 "22nF" H 4275 2000 50  0000 L CNN
F 2 "" H 4288 1750 50  0001 C CNN
F 3 "~" H 4250 1900 50  0001 C CNN
	1    4250 1900
	1    0    0    -1  
$EndComp
Wire Wire Line
	4500 1750 4500 2050
Wire Wire Line
	4250 1750 4500 1750
Connection ~ 4500 1750
$Comp
L Device:C C4
U 1 1 613312A7
P 4650 975
F 0 "C4" V 4825 850 50  0000 C CNN
F 1 "22nF" V 4750 800 50  0000 C CNN
F 2 "" H 4688 825 50  0001 C CNN
F 3 "~" H 4650 975 50  0001 C CNN
	1    4650 975 
	0    -1   -1   0   
$EndComp
Connection ~ 4500 975 
Wire Wire Line
	4500 975  4500 1150
Wire Wire Line
	5050 1075 5050 975 
Wire Wire Line
	2750 1250 3725 1250
Wire Wire Line
	3200 1650 3350 1650
$Comp
L Device:C C1
U 1 1 613592E4
P 3350 1900
F 0 "C1" H 3375 2075 50  0000 L CNN
F 1 "22nF" H 3375 2000 50  0000 L CNN
F 2 "" H 3388 1750 50  0001 C CNN
F 3 "~" H 3350 1900 50  0001 C CNN
	1    3350 1900
	1    0    0    -1  
$EndComp
$Comp
L Device:C C2
U 1 1 61359AF1
P 3725 1900
F 0 "C2" H 3750 2075 50  0000 L CNN
F 1 "22nF" H 3750 2000 50  0000 L CNN
F 2 "" H 3763 1750 50  0001 C CNN
F 3 "~" H 3725 1900 50  0001 C CNN
	1    3725 1900
	1    0    0    -1  
$EndComp
Wire Wire Line
	3725 1750 3725 1250
Connection ~ 3725 1250
Wire Wire Line
	3725 1250 4200 1250
Wire Wire Line
	3350 1750 3350 1650
Connection ~ 3350 1650
$Comp
L power:GNDA #PWR0111
U 1 1 6135DB07
P 3725 2050
F 0 "#PWR0111" H 3725 1800 50  0001 C CNN
F 1 "GNDA" H 3730 1877 50  0000 C CNN
F 2 "" H 3725 2050 50  0001 C CNN
F 3 "" H 3725 2050 50  0001 C CNN
	1    3725 2050
	1    0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR0112
U 1 1 6135DF74
P 3350 2050
F 0 "#PWR0112" H 3350 1800 50  0001 C CNN
F 1 "GNDA" H 3355 1877 50  0000 C CNN
F 2 "" H 3350 2050 50  0001 C CNN
F 3 "" H 3350 2050 50  0001 C CNN
	1    3350 2050
	1    0    0    -1  
$EndComp
$Comp
L Device:R R7
U 1 1 613797C5
P 2250 3500
F 0 "R7" H 2150 3425 50  0000 C CNN
F 1 "15k" H 2125 3500 50  0000 C CNN
F 2 "" V 2180 3500 50  0001 C CNN
F 3 "~" H 2250 3500 50  0001 C CNN
	1    2250 3500
	-1   0    0    1   
$EndComp
Wire Wire Line
	2250 3350 2150 3350
Connection ~ 2150 3350
Wire Wire Line
	2250 3650 2150 3650
Connection ~ 2150 3650
Wire Wire Line
	2050 3350 2150 3350
Wire Wire Line
	2050 3650 2150 3650
Text Notes 2300 3625 0    50   ~ 0
trim
Text Notes 2300 3700 0    50   ~ 0
G=50
$Comp
L Device:R R9
U 1 1 6138FE5A
P 3050 3500
F 0 "R9" H 2950 3425 50  0000 C CNN
F 1 "8k2" H 2925 3500 50  0000 C CNN
F 2 "" V 2980 3500 50  0001 C CNN
F 3 "~" H 3050 3500 50  0001 C CNN
	1    3050 3500
	-1   0    0    1   
$EndComp
Wire Wire Line
	3050 3350 2950 3350
Connection ~ 2950 3350
Wire Wire Line
	2950 3350 2850 3350
Wire Wire Line
	3050 3650 2950 3650
Connection ~ 2950 3650
Wire Wire Line
	2950 3650 2850 3650
$Comp
L Device:R R11
U 1 1 613A1B23
P 3850 3500
F 0 "R11" H 3725 3425 50  0000 C CNN
F 1 "43k" H 3725 3500 50  0000 C CNN
F 2 "" V 3780 3500 50  0001 C CNN
F 3 "~" H 3850 3500 50  0001 C CNN
	1    3850 3500
	-1   0    0    1   
$EndComp
Wire Wire Line
	3850 3350 3750 3350
Connection ~ 3750 3350
Wire Wire Line
	3750 3350 3650 3350
Wire Wire Line
	3850 3650 3750 3650
Connection ~ 3750 3650
Wire Wire Line
	3750 3650 3650 3650
Text Notes 3100 3625 0    50   ~ 0
trim
Text Notes 3900 3625 0    50   ~ 0
trim
Text Notes 3100 3700 0    50   ~ 0
G=5
Text Notes 3875 3700 0    50   ~ 0
G=1
Text Notes 2250 3350 0    50   ~ 0
1
Text Notes 2200 3725 0    50   ~ 0
6
Text Notes 3050 3350 0    50   ~ 0
2
Text Notes 3000 3725 0    50   ~ 0
5
Text Notes 3850 3350 0    50   ~ 0
3
Text Notes 3800 3725 0    50   ~ 0
4
$Comp
L Transistor_Array:ULN2003 B2
U 1 1 613B1EA1
P 2450 5525
F 0 "B2" V 2525 6075 50  0000 L CNN
F 1 "ULN2003" V 2425 6075 50  0000 L CNN
F 2 "" H 2500 4975 50  0001 L CNN
F 3 "http://www.ti.com/lit/ds/symlink/uln2003a.pdf" H 2550 5325 50  0001 C CNN
	1    2450 5525
	0    -1   -1   0   
$EndComp
Wire Wire Line
	2250 5125 2250 4300
Wire Wire Line
	2350 5125 2350 4400
Wire Wire Line
	2450 5125 2450 4500
Wire Wire Line
	2550 5125 2550 4600
$Comp
L Device:R R46
U 1 1 613C7B20
P 1400 6150
F 0 "R46" V 1400 6150 40  0000 C CNN
F 1 "10" V 1350 6325 40  0000 C CNN
F 2 "" V 1330 6150 50  0001 C CNN
F 3 "~" H 1400 6150 50  0001 C CNN
	1    1400 6150
	0    1    1    0   
$EndComp
$Comp
L Device:R R47
U 1 1 613C7F7D
P 1950 6250
F 0 "R47" V 1950 6225 40  0000 C CNN
F 1 "10" V 1900 6425 40  0000 C CNN
F 2 "" V 1880 6250 50  0001 C CNN
F 3 "~" H 1950 6250 50  0001 C CNN
	1    1950 6250
	0    1    1    0   
$EndComp
$Comp
L Device:R R48
U 1 1 613C812F
P 1400 6350
F 0 "R48" V 1400 6350 40  0000 C CNN
F 1 "10" V 1350 6525 40  0000 C CNN
F 2 "" V 1330 6350 50  0001 C CNN
F 3 "~" H 1400 6350 50  0001 C CNN
	1    1400 6350
	0    1    1    0   
$EndComp
Connection ~ 2350 4400
Wire Wire Line
	2350 4400 2550 4400
Connection ~ 2450 4500
Wire Wire Line
	2450 4500 3350 4500
Wire Wire Line
	1600 4400 2350 4400
Wire Wire Line
	1600 4500 2450 4500
Wire Wire Line
	2250 4300 1750 4300
Connection ~ 1750 4300
Wire Wire Line
	2250 5925 2250 6050
Wire Wire Line
	2250 6050 2100 6050
Text Notes 2855 715  0    50   ~ 0
A
Text Notes 3310 710  0    50   ~ 0
A
Text Notes 4610 715  0    50   ~ 0
A
Text Notes 4610 2255 0    50   ~ 0
A
Text Notes 3180 2255 0    50   ~ 0
A
Text Notes 2760 2255 0    50   ~ 0
A
$Comp
L power:GNDPWR #PWR0113
U 1 1 613FD11E
P 3200 5750
F 0 "#PWR0113" H 3200 5550 50  0001 C CNN
F 1 "GNDPWR" H 3200 5600 50  0000 C CNN
F 2 "" H 3200 5700 50  0001 C CNN
F 3 "" H 3200 5700 50  0001 C CNN
	1    3200 5750
	1    0    0    -1  
$EndComp
Wire Wire Line
	3200 5750 3200 5525
Wire Wire Line
	3200 5525 3050 5525
$Comp
L power:+12P #PWR0114
U 1 1 61402735
P 2050 5125
F 0 "#PWR0114" H 2050 4975 50  0001 C CNN
F 1 "+12P" H 2050 5275 50  0000 C CNN
F 2 "" H 2050 5125 50  0001 C CNN
F 3 "" H 2050 5125 50  0001 C CNN
	1    2050 5125
	1    0    0    -1  
$EndComp
$Comp
L power:+12P #PWR0115
U 1 1 61411DD9
P 1350 2400
F 0 "#PWR0115" H 1350 2250 50  0001 C CNN
F 1 "+12P" V 1450 2475 50  0000 C CNN
F 2 "" H 1350 2400 50  0001 C CNN
F 3 "" H 1350 2400 50  0001 C CNN
	1    1350 2400
	0    -1   -1   0   
$EndComp
$Comp
L Amplifier_Operational:NE5532 B3
U 1 1 614A44D8
P 6175 1050
F 0 "B3" H 6300 1275 50  0000 C CNN
F 1 "NE5532" H 6375 1200 50  0000 C CNN
F 2 "" H 6175 1050 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/ne5532.pdf" H 6175 1050 50  0001 C CNN
	1    6175 1050
	1    0    0    -1  
$EndComp
$Comp
L Amplifier_Operational:NE5532 B3
U 2 1 614A9301
P 6675 2325
F 0 "B3" H 6750 2550 50  0000 C CNN
F 1 "NE5532" H 6825 2475 50  0000 C CNN
F 2 "" H 6675 2325 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/ne5532.pdf" H 6675 2325 50  0001 C CNN
	2    6675 2325
	1    0    0    -1  
$EndComp
Wire Wire Line
	5875 1150 5875 1325
Wire Wire Line
	5875 1325 6475 1325
Wire Wire Line
	6475 1325 6475 1050
$Comp
L Device:R R12
U 1 1 614BA9C4
P 6775 1050
F 0 "R12" V 6675 1075 50  0000 C CNN
F 1 "1k0" V 6600 1075 50  0000 C CNN
F 2 "" V 6705 1050 50  0001 C CNN
F 3 "~" H 6775 1050 50  0001 C CNN
	1    6775 1050
	0    -1   -1   0   
$EndComp
$Comp
L Device:D_Zener_ALT D5
U 1 1 614BB4E8
P 7125 1300
F 0 "D5" V 7075 1400 50  0000 L CNN
F 1 "4V7" V 7150 1400 50  0000 L CNN
F 2 "" H 7125 1300 50  0001 C CNN
F 3 "~" H 7125 1300 50  0001 C CNN
	1    7125 1300
	0    1    1    0   
$EndComp
Wire Wire Line
	6475 1050 6625 1050
Connection ~ 6475 1050
Wire Wire Line
	6925 1050 7125 1050
Wire Wire Line
	7125 1150 7125 1050
Connection ~ 7125 1050
$Comp
L power:GNDA #PWR0116
U 1 1 614CDF89
P 7125 1550
F 0 "#PWR0116" H 7125 1300 50  0001 C CNN
F 1 "GNDA" H 7130 1377 50  0000 C CNN
F 2 "" H 7125 1550 50  0001 C CNN
F 3 "" H 7125 1550 50  0001 C CNN
	1    7125 1550
	1    0    0    -1  
$EndComp
Wire Wire Line
	7125 1550 7125 1450
Text Notes 7350 750  2    100  ~ 0
BUFFER ADC
$Comp
L Jumper:Jumper_2_Open JP1
U 1 1 6125CD9F
P 5250 1925
F 0 "JP1" V 5350 1775 50  0000 C CNN
F 1 "opt G=0,5" V 5275 1675 50  0000 C CNN
F 2 "" H 5250 1925 50  0001 C CNN
F 3 "~" H 5250 1925 50  0001 C CNN
	1    5250 1925
	0    -1   -1   0   
$EndComp
Wire Wire Line
	5200 1450 5250 1450
Wire Wire Line
	5250 2125 5250 2250
$Comp
L Device:R_POT_Small VR4
U 1 1 6127A2F6
P 5875 2225
F 0 "VR4" H 5800 2350 50  0000 R CNN
F 1 "10k" H 5800 2250 50  0000 R CNN
F 2 "" H 5875 2225 50  0001 C CNN
F 3 "~" H 5875 2225 50  0001 C CNN
	1    5875 2225
	1    0    0    -1  
$EndComp
Wire Wire Line
	5875 2125 5875 1325
Connection ~ 5875 1325
Wire Wire Line
	5975 2225 6375 2225
$Comp
L power:GNDA #PWR0117
U 1 1 61282DB8
P 5875 2375
F 0 "#PWR0117" H 5875 2125 50  0001 C CNN
F 1 "GNDA" H 5880 2202 50  0000 C CNN
F 2 "" H 5875 2375 50  0001 C CNN
F 3 "" H 5875 2375 50  0001 C CNN
	1    5875 2375
	1    0    0    -1  
$EndComp
Wire Wire Line
	5875 2375 5875 2325
Text Notes 5425 2325 0    50   ~ 0
Amplitude
$Comp
L Device:R_POT_Small VR5
U 1 1 61289E82
P 6150 3100
F 0 "VR5" H 6075 3150 50  0000 R CNN
F 1 "10k" H 6075 3075 50  0000 R CNN
F 2 "" H 6150 3100 50  0001 C CNN
F 3 "~" H 6150 3100 50  0001 C CNN
	1    6150 3100
	1    0    0    -1  
$EndComp
$Comp
L Device:R R18
U 1 1 6128B38D
P 7300 2325
F 0 "R18" V 7475 2350 50  0000 C CNN
F 1 "1k0" V 7400 2350 50  0000 C CNN
F 2 "" V 7230 2325 50  0001 C CNN
F 3 "~" H 7300 2325 50  0001 C CNN
	1    7300 2325
	0    -1   -1   0   
$EndComp
$Comp
L Device:R R13
U 1 1 6128B94C
P 6150 1950
F 0 "R13" H 6025 1875 50  0000 C CNN
F 1 "150k" H 6000 1950 50  0000 C CNN
F 2 "" V 6080 1950 50  0001 C CNN
F 3 "~" H 6150 1950 50  0001 C CNN
	1    6150 1950
	-1   0    0    1   
$EndComp
$Comp
L Device:R R14
U 1 1 61290437
P 6150 3400
F 0 "R14" H 6350 3325 50  0000 C CNN
F 1 "150k" H 6325 3400 50  0000 C CNN
F 2 "" V 6080 3400 50  0001 C CNN
F 3 "~" H 6150 3400 50  0001 C CNN
	1    6150 3400
	-1   0    0    1   
$EndComp
$Comp
L Device:R_POT_Small VR6
U 1 1 61290DE8
P 6975 3350
F 0 "VR6" H 6875 3450 50  0000 R CNN
F 1 "100k" H 6925 3375 50  0000 R CNN
F 2 "" H 6975 3350 50  0001 C CNN
F 3 "~" H 6975 3350 50  0001 C CNN
	1    6975 3350
	1    0    0    -1  
$EndComp
$Comp
L Device:R R17
U 1 1 61294D6B
P 6975 2950
F 0 "R17" H 6825 2875 50  0000 C CNN
F 1 "10k0" H 6800 2950 50  0000 C CNN
F 2 "" V 6905 2950 50  0001 C CNN
F 3 "~" H 6975 2950 50  0001 C CNN
	1    6975 2950
	-1   0    0    1   
$EndComp
$Comp
L Device:R R15
U 1 1 61295D75
P 6375 2950
F 0 "R15" H 6250 2875 50  0000 C CNN
F 1 "200k0" H 6200 2950 50  0000 C CNN
F 2 "" V 6305 2950 50  0001 C CNN
F 3 "~" H 6375 2950 50  0001 C CNN
	1    6375 2950
	-1   0    0    1   
$EndComp
Wire Wire Line
	6975 2700 6975 2750
Wire Wire Line
	6975 2325 6975 2400
Wire Wire Line
	6975 2325 7150 2325
Connection ~ 6975 2325
Wire Wire Line
	6975 3100 6975 3200
Wire Wire Line
	7075 3350 7125 3350
Wire Wire Line
	7125 3350 7125 3200
Wire Wire Line
	7125 3200 6975 3200
Connection ~ 6975 3200
Wire Wire Line
	6975 3200 6975 3250
Wire Wire Line
	6975 2750 6375 2750
Wire Wire Line
	6375 2750 6375 2425
Connection ~ 6975 2750
Wire Wire Line
	6975 2750 6975 2800
Wire Wire Line
	6150 2100 6150 3000
Wire Wire Line
	6375 2750 6375 2800
Connection ~ 6375 2750
Wire Wire Line
	6150 3200 6150 3250
Text Notes 5850 3000 0    50   ~ 0
Offset
Text Notes 6725 3200 0    50   ~ 0
Gain
$Comp
L Device:C C5
U 1 1 612E65A3
P 6375 3400
F 0 "C5" H 6525 3475 50  0000 C CNN
F 1 "100nF" H 6600 3400 50  0000 C CNN
F 2 "" H 6413 3250 50  0001 C CNN
F 3 "~" H 6375 3400 50  0001 C CNN
	1    6375 3400
	1    0    0    -1  
$EndComp
Wire Wire Line
	6375 3100 6375 3250
$Comp
L power:-12V #PWR0118
U 1 1 6130916C
P 6150 3625
F 0 "#PWR0118" H 6150 3725 50  0001 C CNN
F 1 "-12V" H 6075 3800 50  0000 C CNN
F 2 "" H 6150 3625 50  0001 C CNN
F 3 "" H 6150 3625 50  0001 C CNN
	1    6150 3625
	1    0    0    1   
$EndComp
$Comp
L power:GNDA #PWR0119
U 1 1 61309654
P 6375 3625
F 0 "#PWR0119" H 6375 3375 50  0001 C CNN
F 1 "GNDA" H 6380 3452 50  0000 C CNN
F 2 "" H 6375 3625 50  0001 C CNN
F 3 "" H 6375 3625 50  0001 C CNN
	1    6375 3625
	1    0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR0120
U 1 1 61309B9D
P 6975 3625
F 0 "#PWR0120" H 6975 3375 50  0001 C CNN
F 1 "GNDA" H 6980 3452 50  0000 C CNN
F 2 "" H 6975 3625 50  0001 C CNN
F 3 "" H 6975 3625 50  0001 C CNN
	1    6975 3625
	1    0    0    -1  
$EndComp
Wire Wire Line
	6150 3550 6150 3625
Wire Wire Line
	6375 3550 6375 3625
Wire Wire Line
	6975 3450 6975 3625
Text Notes 6150 3850 0    50   ~ 0
M
$Comp
L Device:D_Zener_ALT D6
U 1 1 6131A2C0
P 7550 2600
F 0 "D6" V 7500 2700 50  0000 L CNN
F 1 "4V7" V 7575 2700 50  0000 L CNN
F 2 "" H 7550 2600 50  0001 C CNN
F 3 "~" H 7550 2600 50  0001 C CNN
	1    7550 2600
	0    1    1    0   
$EndComp
$Comp
L power:GNDA #PWR0121
U 1 1 6131AA3C
P 7550 2875
F 0 "#PWR0121" H 7550 2625 50  0001 C CNN
F 1 "GNDA" H 7555 2702 50  0000 C CNN
F 2 "" H 7550 2875 50  0001 C CNN
F 3 "" H 7550 2875 50  0001 C CNN
	1    7550 2875
	1    0    0    -1  
$EndComp
Wire Wire Line
	7450 2325 7550 2325
Wire Wire Line
	7550 2450 7550 2325
Connection ~ 7550 2325
Wire Wire Line
	7550 2325 7875 2325
Wire Wire Line
	7550 2750 7550 2875
Text Notes 7400 2125 0    50   ~ 0
Analogue Out
Text Notes 7725 900  0    50   ~ 0
ADC
$Comp
L power:+12V #PWR0122
U 1 1 613455DF
P 6150 1725
F 0 "#PWR0122" H 6150 1575 50  0001 C CNN
F 1 "+12V" H 6165 1898 50  0000 C CNN
F 2 "" H 6150 1725 50  0001 C CNN
F 3 "" H 6150 1725 50  0001 C CNN
	1    6150 1725
	1    0    0    -1  
$EndComp
Wire Wire Line
	6150 1725 6150 1800
Text Notes 6260 1585 0    50   ~ 0
A
$Comp
L Device:R R36
U 1 1 612AAA5D
P 5750 4325
F 0 "R36" V 5900 4350 50  0000 C CNN
F 1 "1M" V 5825 4375 50  0000 C CNN
F 2 "" V 5680 4325 50  0001 C CNN
F 3 "~" H 5750 4325 50  0001 C CNN
	1    5750 4325
	0    -1   -1   0   
$EndComp
Wire Wire Line
	5400 4600 5375 4600
Wire Wire Line
	5600 4325 5375 4325
Wire Wire Line
	5375 4325 5375 4600
Connection ~ 5375 4600
Wire Wire Line
	5375 4600 5325 4600
Wire Wire Line
	5900 4325 6000 4325
Wire Wire Line
	6000 4325 6000 4700
$Comp
L Device:C C9
U 1 1 612C4125
P 4600 5700
F 0 "C9" H 4625 5875 50  0000 L CNN
F 1 "22nF" H 4625 5800 50  0000 L CNN
F 2 "" H 4638 5550 50  0001 C CNN
F 3 "~" H 4600 5700 50  0001 C CNN
	1    4600 5700
	1    0    0    -1  
$EndComp
$Comp
L Device:R R33
U 1 1 612C46CB
P 4150 5375
F 0 "R33" V 4300 5425 50  0000 C CNN
F 1 "10k0" V 4225 5400 50  0000 C CNN
F 2 "" V 4080 5375 50  0001 C CNN
F 3 "~" H 4150 5375 50  0001 C CNN
	1    4150 5375
	0    -1   -1   0   
$EndComp
$Comp
L Device:Varistor VDR2
U 1 1 612C48E4
P 3950 5775
F 0 "VDR2" H 3600 5775 50  0000 L CNN
F 1 "S05k30" H 3575 5700 50  0000 L CNN
F 2 "" V 3880 5775 50  0001 C CNN
F 3 "~" H 3950 5775 50  0001 C CNN
	1    3950 5775
	1    0    0    -1  
$EndComp
$Comp
L Device:R R34
U 1 1 612ED81E
P 4825 4400
F 0 "R34" H 4700 4325 50  0000 C CNN
F 1 "13k" H 4700 4400 50  0000 C CNN
F 2 "" V 4755 4400 50  0001 C CNN
F 3 "~" H 4825 4400 50  0001 C CNN
	1    4825 4400
	-1   0    0    1   
$EndComp
$Comp
L Device:R R39
U 1 1 612FB545
P 4825 5800
F 0 "R39" H 4700 5725 50  0000 C CNN
F 1 "12k" H 4700 5800 50  0000 C CNN
F 2 "" V 4755 5800 50  0001 C CNN
F 3 "~" H 4825 5800 50  0001 C CNN
	1    4825 5800
	-1   0    0    1   
$EndComp
Wire Wire Line
	4300 5375 4350 5375
Connection ~ 4350 5375
Wire Wire Line
	4350 5375 4400 5375
Wire Wire Line
	4400 5600 4400 5375
Wire Wire Line
	3950 5625 3950 5375
Wire Wire Line
	3950 5375 4000 5375
Connection ~ 4400 5375
Connection ~ 3950 5375
$Comp
L power:GNDA #PWR0123
U 1 1 61364152
P 3950 6050
F 0 "#PWR0123" H 3950 5800 50  0001 C CNN
F 1 "GNDA" H 3955 5877 50  0000 C CNN
F 2 "" H 3950 6050 50  0001 C CNN
F 3 "" H 3950 6050 50  0001 C CNN
	1    3950 6050
	1    0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR0124
U 1 1 613646B6
P 4400 6050
F 0 "#PWR0124" H 4400 5800 50  0001 C CNN
F 1 "GNDA" H 4405 5877 50  0000 C CNN
F 2 "" H 4400 6050 50  0001 C CNN
F 3 "" H 4400 6050 50  0001 C CNN
	1    4400 6050
	1    0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR0125
U 1 1 613648D4
P 4600 6050
F 0 "#PWR0125" H 4600 5800 50  0001 C CNN
F 1 "GNDA" H 4605 5877 50  0000 C CNN
F 2 "" H 4600 6050 50  0001 C CNN
F 3 "" H 4600 6050 50  0001 C CNN
	1    4600 6050
	1    0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR0126
U 1 1 61364A49
P 4825 6675
F 0 "#PWR0126" H 4825 6425 50  0001 C CNN
F 1 "GNDA" H 4830 6502 50  0000 C CNN
F 2 "" H 4825 6675 50  0001 C CNN
F 3 "" H 4825 6675 50  0001 C CNN
	1    4825 6675
	1    0    0    -1  
$EndComp
Wire Wire Line
	3950 5925 3950 6050
Wire Wire Line
	4400 5900 4400 6050
Text Notes 7950 7325 0    100  ~ 0
MilliOhm Meter - Measuring Circuit\n
Text Notes 8175 7625 0    50   ~ 0
12-09-2021
$Comp
L power:+12V #PWR0127
U 1 1 613ABA13
P 4825 4250
F 0 "#PWR0127" H 4825 4100 50  0001 C CNN
F 1 "+12V" H 4840 4423 50  0000 C CNN
F 2 "" H 4825 4250 50  0001 C CNN
F 3 "" H 4825 4250 50  0001 C CNN
	1    4825 4250
	1    0    0    -1  
$EndComp
$Comp
L power:+12V #PWR0128
U 1 1 613ACD7E
P 4350 4950
F 0 "#PWR0128" H 4350 4800 50  0001 C CNN
F 1 "+12V" H 4365 5123 50  0000 C CNN
F 2 "" H 4350 4950 50  0001 C CNN
F 3 "" H 4350 4950 50  0001 C CNN
	1    4350 4950
	1    0    0    -1  
$EndComp
Text Notes 4935 4115 0    50   ~ 0
A
Text Notes 4460 4810 0    50   ~ 0
A
Text Notes 4850 4700 0    50   ~ 0
7,2V
$Comp
L Isolator:CNY17-1 B5
U 1 1 613B8D50
P 6700 4600
F 0 "B5" H 6550 4900 50  0000 C CNN
F 1 "CNX36" H 6625 4825 50  0000 C CNN
F 2 "" H 6700 4600 50  0001 L CNN
F 3 "http://www.vishay.com/docs/83606/cny17.pdf" H 6700 4600 50  0001 L CNN
	1    6700 4600
	1    0    0    -1  
$EndComp
$Comp
L Device:R R37
U 1 1 613B9CA4
P 6200 4700
F 0 "R37" V 6350 4750 50  0000 C CNN
F 1 "1k8" V 6275 4750 50  0000 C CNN
F 2 "" V 6130 4700 50  0001 C CNN
F 3 "~" H 6200 4700 50  0001 C CNN
	1    6200 4700
	0    -1   -1   0   
$EndComp
Wire Wire Line
	6400 4700 6350 4700
Wire Wire Line
	6050 4700 6000 4700
$Comp
L power:+12V #PWR0129
U 1 1 613CBF2B
P 6400 4275
F 0 "#PWR0129" H 6400 4125 50  0001 C CNN
F 1 "+12V" H 6400 4450 50  0000 C CNN
F 2 "" H 6400 4275 50  0001 C CNN
F 3 "" H 6400 4275 50  0001 C CNN
	1    6400 4275
	1    0    0    -1  
$EndComp
Wire Wire Line
	6400 4275 6400 4500
Text Notes 6500 4135 0    50   ~ 0
A
Wire Wire Line
	7000 4600 7050 4600
Wire Wire Line
	7050 4600 7050 4400
Text Notes 5375 4050 0    50   ~ 0
Overvoltage Protection
Wire Wire Line
	3350 1650 4200 1650
Wire Wire Line
	4850 3250 4850 3350
Wire Wire Line
	4850 3350 4350 3350
Wire Wire Line
	4350 3350 4350 4600
Wire Wire Line
	1600 4600 2550 4600
Connection ~ 2550 4600
Wire Wire Line
	2550 4600 4350 4600
$Comp
L Device:R R38
U 1 1 61496C04
P 5125 5575
F 0 "R38" H 5250 5675 50  0000 C CNN
F 1 "10k0" H 5275 5600 50  0000 C CNN
F 2 "" V 5055 5575 50  0001 C CNN
F 3 "~" H 5125 5575 50  0001 C CNN
	1    5125 5575
	1    0    0    -1  
$EndComp
Wire Wire Line
	5600 5600 5375 5600
Wire Wire Line
	5375 5600 5375 5850
Wire Wire Line
	5375 5850 5400 5850
Wire Wire Line
	5900 5600 6000 5600
Wire Wire Line
	6000 5600 6000 5950
$Comp
L Device:R R40
U 1 1 614B18B2
P 4825 6400
F 0 "R40" H 4700 6325 50  0000 C CNN
F 1 "12k" H 4700 6400 50  0000 C CNN
F 2 "" V 4755 6400 50  0001 C CNN
F 3 "~" H 4825 6400 50  0001 C CNN
	1    4825 6400
	-1   0    0    1   
$EndComp
Wire Wire Line
	4400 5375 4600 5375
Wire Wire Line
	5400 6050 5150 6050
Connection ~ 4825 6050
Wire Wire Line
	4825 5950 4825 6050
Wire Wire Line
	4600 5550 4600 5375
Wire Wire Line
	4600 5850 4600 6050
Text Notes 4850 6025 0    50   ~ 0
3,2V
$Comp
L Device:D_Zener_ALT D10
U 1 1 615A169B
P 6825 6350
F 0 "D10" V 6775 6450 50  0000 L CNN
F 1 "4V7" V 6850 6450 50  0000 L CNN
F 2 "" H 6825 6350 50  0001 C CNN
F 3 "~" H 6825 6350 50  0001 C CNN
	1    6825 6350
	0    1    1    0   
$EndComp
$Comp
L Device:R R42
U 1 1 615A2150
P 6325 5750
F 0 "R42" H 6200 5675 50  0000 C CNN
F 1 "10k0" H 6175 5750 50  0000 C CNN
F 2 "" V 6255 5750 50  0001 C CNN
F 3 "~" H 6325 5750 50  0001 C CNN
	1    6325 5750
	-1   0    0    1   
$EndComp
Wire Wire Line
	6000 5950 6325 5950
Wire Wire Line
	6325 5900 6325 5950
Connection ~ 6325 5950
Wire Wire Line
	6325 5950 6425 5950
Wire Wire Line
	6425 6075 6425 5950
$Comp
L power:GNDA #PWR0130
U 1 1 615C0F52
P 6825 6675
F 0 "#PWR0130" H 6825 6425 50  0001 C CNN
F 1 "GNDA" H 6830 6502 50  0000 C CNN
F 2 "" H 6825 6675 50  0001 C CNN
F 3 "" H 6825 6675 50  0001 C CNN
	1    6825 6675
	1    0    0    -1  
$EndComp
$Comp
L power:+12V #PWR0131
U 1 1 615CAC56
P 6325 5600
F 0 "#PWR0131" H 6325 5450 50  0001 C CNN
F 1 "+12V" H 6340 5773 50  0000 C CNN
F 2 "" H 6325 5600 50  0001 C CNN
F 3 "" H 6325 5600 50  0001 C CNN
	1    6325 5600
	1    0    0    -1  
$EndComp
Text Notes 6435 5460 0    50   ~ 0
A
Text Notes 7300 6075 0    50   ~ 0
Vin < 3,2V: L
$Comp
L power:GNDA #PWR0132
U 1 1 615ECCA1
P 5625 6675
F 0 "#PWR0132" H 5625 6425 50  0001 C CNN
F 1 "GNDA" H 5630 6502 50  0000 C CNN
F 2 "" H 5625 6675 50  0001 C CNN
F 3 "" H 5625 6675 50  0001 C CNN
	1    5625 6675
	1    0    0    -1  
$EndComp
Text Notes 5525 6225 0    50   ~ 0
4\n
$Comp
L power:+12V #PWR0133
U 1 1 615F81EB
P 6000 6200
F 0 "#PWR0133" H 6000 6050 50  0001 C CNN
F 1 "+12V" H 6015 6373 50  0000 C CNN
F 2 "" H 6000 6200 50  0001 C CNN
F 3 "" H 6000 6200 50  0001 C CNN
	1    6000 6200
	1    0    0    -1  
$EndComp
$Comp
L Device:C C11
U 1 1 615F8AC6
P 6000 6525
F 0 "C11" H 6100 6500 50  0000 L CNN
F 1 "22nF" H 6100 6425 50  0000 L CNN
F 2 "" H 6038 6375 50  0001 C CNN
F 3 "~" H 6000 6525 50  0001 C CNN
	1    6000 6525
	1    0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR0134
U 1 1 615F96CA
P 6000 6675
F 0 "#PWR0134" H 6000 6425 50  0001 C CNN
F 1 "GNDA" H 6005 6502 50  0000 C CNN
F 2 "" H 6000 6675 50  0001 C CNN
F 3 "" H 6000 6675 50  0001 C CNN
	1    6000 6675
	1    0    0    -1  
$EndComp
Wire Wire Line
	5750 6025 5750 6225
Wire Wire Line
	5750 6225 6000 6225
Text Notes 5700 6125 0    50   ~ 0
8
Text Notes 6110 6065 0    50   ~ 0
A
Text Notes 7125 4375 0    50   ~ 0
Vin > 7,2V: L
Wire Wire Line
	1250 6050 1800 6050
Connection ~ 6000 6225
Wire Wire Line
	6000 6225 6000 6200
Wire Wire Line
	6825 6500 6825 6675
Wire Wire Line
	4825 6550 4825 6675
$Comp
L Device:C C10
U 1 1 616AD729
P 5150 6525
F 0 "C10" H 5175 6700 50  0000 L CNN
F 1 "100nF" H 5175 6625 50  0000 L CNN
F 2 "" H 5188 6375 50  0001 C CNN
F 3 "~" H 5150 6525 50  0001 C CNN
	1    5150 6525
	1    0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR0135
U 1 1 616ADCE7
P 5150 6675
F 0 "#PWR0135" H 5150 6425 50  0001 C CNN
F 1 "GNDA" H 5155 6502 50  0000 C CNN
F 2 "" H 5150 6675 50  0001 C CNN
F 3 "" H 5150 6675 50  0001 C CNN
	1    5150 6675
	1    0    0    -1  
$EndComp
Connection ~ 5150 6050
Wire Wire Line
	5150 6050 4825 6050
Wire Wire Line
	4825 4550 4825 4600
Wire Wire Line
	5025 4600 4825 4600
Connection ~ 4825 4600
Wire Wire Line
	5125 5725 5125 5850
Wire Wire Line
	5125 5850 5375 5850
Connection ~ 5375 5850
Wire Wire Line
	4350 5250 4350 5375
Wire Wire Line
	4825 4600 4825 5650
Wire Wire Line
	4600 4800 4600 5375
Wire Wire Line
	4600 4800 5125 4800
Connection ~ 4600 5375
$Comp
L Jumper:Jumper_2_Open JP2
U 1 1 617AA0C7
P 5125 5000
F 0 "JP2" V 5225 4850 50  0000 C CNN
F 1 "." V 5175 4900 50  0000 C CNN
F 2 "" H 5125 5000 50  0001 C CNN
F 3 "~" H 5125 5000 50  0001 C CNN
	1    5125 5000
	0    -1   -1   0   
$EndComp
Connection ~ 5125 4800
Wire Wire Line
	5125 4800 5400 4800
$Comp
L Jumper:Jumper_2_Open JP3
U 1 1 617AAC65
P 5400 5200
F 0 "JP3" H 5500 5325 50  0000 C CNN
F 1 "." H 5550 5275 50  0000 C CNN
F 2 "" H 5400 5200 50  0001 C CNN
F 3 "~" H 5400 5200 50  0001 C CNN
	1    5400 5200
	1    0    0    -1  
$EndComp
Wire Wire Line
	5125 5200 5125 5425
Wire Wire Line
	5200 5200 5125 5200
Connection ~ 5125 5200
Text Notes 1075 5850 0    50   ~ 0
Active = H (3,3V)\n
$Comp
L Device:R R24
U 1 1 61275E68
P 9600 2250
F 0 "R24" V 9750 2275 50  0000 C CNN
F 1 "1M" V 9675 2300 50  0000 C CNN
F 2 "" V 9530 2250 50  0001 C CNN
F 3 "~" H 9600 2250 50  0001 C CNN
	1    9600 2250
	0    -1   -1   0   
$EndComp
$Comp
L Device:R R29
U 1 1 612764A0
P 9600 3925
F 0 "R29" V 9750 3950 50  0000 C CNN
F 1 "1M" V 9675 3975 50  0000 C CNN
F 2 "" V 9530 3925 50  0001 C CNN
F 3 "~" H 9600 3925 50  0001 C CNN
	1    9600 3925
	0    -1   -1   0   
$EndComp
$Comp
L Device:R R23
U 1 1 6127697B
P 8975 2500
F 0 "R23" V 9125 2550 50  0000 C CNN
F 1 "10k0" V 9050 2525 50  0000 C CNN
F 2 "" V 8905 2500 50  0001 C CNN
F 3 "~" H 8975 2500 50  0001 C CNN
	1    8975 2500
	0    -1   -1   0   
$EndComp
$Comp
L Device:R R28
U 1 1 612773C4
P 8975 4175
F 0 "R28" V 9125 4225 50  0000 C CNN
F 1 "10k0" V 9050 4200 50  0000 C CNN
F 2 "" V 8905 4175 50  0001 C CNN
F 3 "~" H 8975 4175 50  0001 C CNN
	1    8975 4175
	0    -1   -1   0   
$EndComp
$Comp
L Device:R R30
U 1 1 61278327
P 9950 4125
F 0 "R30" H 9825 4050 50  0000 C CNN
F 1 "10k0" H 9800 4125 50  0000 C CNN
F 2 "" V 9880 4125 50  0001 C CNN
F 3 "~" H 9950 4125 50  0001 C CNN
	1    9950 4125
	-1   0    0    1   
$EndComp
$Comp
L Device:R R25
U 1 1 61278A6A
P 10025 2450
F 0 "R25" H 9900 2375 50  0000 C CNN
F 1 "10k0" H 9875 2450 50  0000 C CNN
F 2 "" V 9955 2450 50  0001 C CNN
F 3 "~" H 10025 2450 50  0001 C CNN
	1    10025 2450
	-1   0    0    1   
$EndComp
$Comp
L Device:D_Zener_ALT D13
U 1 1 61278DF6
P 10450 4675
F 0 "D13" V 10400 4775 50  0000 L CNN
F 1 "4V7" V 10475 4775 50  0000 L CNN
F 2 "" H 10450 4675 50  0001 C CNN
F 3 "~" H 10450 4675 50  0001 C CNN
	1    10450 4675
	0    1    1    0   
$EndComp
Wire Wire Line
	9125 2500 9175 2500
Wire Wire Line
	9125 4175 9175 4175
Wire Wire Line
	9825 2600 9900 2600
Wire Wire Line
	9900 2675 9900 2600
Connection ~ 9900 2600
Wire Wire Line
	9900 2600 10025 2600
Wire Wire Line
	9750 2250 9825 2250
Wire Wire Line
	9825 2250 9825 2600
Wire Wire Line
	9750 3925 9825 3925
Wire Wire Line
	9825 3925 9825 4275
Wire Wire Line
	9450 3925 9175 3925
Wire Wire Line
	9175 3925 9175 4175
Connection ~ 9175 4175
Wire Wire Line
	9175 4175 9225 4175
Wire Wire Line
	9450 2250 9175 2250
Wire Wire Line
	9175 2250 9175 2500
Connection ~ 9175 2500
Wire Wire Line
	9175 2500 9225 2500
Wire Wire Line
	8825 2500 8775 2500
$Comp
L Device:R R20
U 1 1 61328AD8
P 8500 2500
F 0 "R20" H 8375 2425 50  0000 C CNN
F 1 "23k6" H 8350 2500 50  0000 C CNN
F 2 "" V 8430 2500 50  0001 C CNN
F 3 "~" H 8500 2500 50  0001 C CNN
	1    8500 2500
	-1   0    0    1   
$EndComp
$Comp
L Device:R R21
U 1 1 61329BD1
P 8500 3300
F 0 "R21" H 8375 3225 50  0000 C CNN
F 1 "1k0" H 8375 3300 50  0000 C CNN
F 2 "" V 8430 3300 50  0001 C CNN
F 3 "~" H 8500 3300 50  0001 C CNN
	1    8500 3300
	-1   0    0    1   
$EndComp
$Comp
L Device:R R22
U 1 1 6132A22D
P 8500 4800
F 0 "R22" H 8375 4725 50  0000 C CNN
F 1 "1k0" H 8375 4800 50  0000 C CNN
F 2 "" V 8430 4800 50  0001 C CNN
F 3 "~" H 8500 4800 50  0001 C CNN
	1    8500 4800
	-1   0    0    1   
$EndComp
$Comp
L Device:RTRIM VR7
U 1 1 6132B74A
P 8500 2200
F 0 "VR7" H 8275 2275 50  0000 L CNN
F 1 "10k" H 8275 2200 50  0000 L CNN
F 2 "" V 8430 2200 50  0001 C CNN
F 3 "~" H 8500 2200 50  0001 C CNN
	1    8500 2200
	1    0    0    -1  
$EndComp
Wire Wire Line
	8500 2650 8500 2700
$Comp
L power:GNDA #PWR0136
U 1 1 613492E2
P 8500 4950
F 0 "#PWR0136" H 8500 4700 50  0001 C CNN
F 1 "GNDA" H 8505 4777 50  0000 C CNN
F 2 "" H 8500 4950 50  0001 C CNN
F 3 "" H 8500 4950 50  0001 C CNN
	1    8500 4950
	1    0    0    -1  
$EndComp
Wire Wire Line
	9225 2700 8500 2700
Text Notes 8525 4350 0    50   ~ 0
200mV
Text Notes 8525 2675 0    50   ~ 0
400mV
Wire Wire Line
	7125 1050 7875 1050
Wire Wire Line
	6475 1325 6475 1825
Connection ~ 6475 1325
Wire Wire Line
	5600 5200 8250 5200
$Comp
L power:GNDA #PWR0138
U 1 1 61500E1D
P 10450 4950
F 0 "#PWR0138" H 10450 4700 50  0001 C CNN
F 1 "GNDA" H 10455 4777 50  0000 C CNN
F 2 "" H 10450 4950 50  0001 C CNN
F 3 "" H 10450 4950 50  0001 C CNN
	1    10450 4950
	1    0    0    -1  
$EndComp
$Comp
L power:+12V #PWR0139
U 1 1 61573B9B
P 10025 2300
F 0 "#PWR0139" H 10025 2150 50  0001 C CNN
F 1 "+12V" H 10025 2475 50  0000 C CNN
F 2 "" H 10025 2300 50  0001 C CNN
F 3 "" H 10025 2300 50  0001 C CNN
	1    10025 2300
	1    0    0    -1  
$EndComp
$Comp
L power:+12V #PWR0140
U 1 1 61574116
P 9950 3975
F 0 "#PWR0140" H 9950 3825 50  0001 C CNN
F 1 "+12V" H 10075 4075 50  0000 C CNN
F 2 "" H 9950 3975 50  0001 C CNN
F 3 "" H 9950 3975 50  0001 C CNN
	1    9950 3975
	1    0    0    -1  
$EndComp
Text Notes 10115 2160 0    50   ~ 0
A
Text Notes 10168 3908 0    50   ~ 0
A
Text Notes 10575 2700 0    50   ~ 0
Vin < 400mV: L
Text Notes 10575 4375 0    50   ~ 0
Vin < 200mV: L
$Comp
L power:+10V #PWR0141
U 1 1 6157C06D
P 8500 1300
F 0 "#PWR0141" H 8500 1150 50  0001 C CNN
F 1 "+10V" H 8500 1450 50  0000 C CNN
F 2 "" H 8500 1300 50  0001 C CNN
F 3 "" H 8500 1300 50  0001 C CNN
	1    8500 1300
	1    0    0    -1  
$EndComp
$Comp
L Device:C C16
U 1 1 6158C254
P 8925 4800
F 0 "C16" H 9075 4875 50  0000 C CNN
F 1 "100nF" H 9150 4800 50  0000 C CNN
F 2 "" H 8963 4650 50  0001 C CNN
F 3 "~" H 8925 4800 50  0001 C CNN
	1    8925 4800
	1    0    0    -1  
$EndComp
Connection ~ 8925 4375
Wire Wire Line
	8925 4375 8500 4375
$Comp
L power:GNDA #PWR0142
U 1 1 615AAD69
P 8925 4950
F 0 "#PWR0142" H 8925 4700 50  0001 C CNN
F 1 "GNDA" H 8930 4777 50  0000 C CNN
F 2 "" H 8925 4950 50  0001 C CNN
F 3 "" H 8925 4950 50  0001 C CNN
	1    8925 4950
	1    0    0    -1  
$EndComp
Wire Wire Line
	10450 4825 10450 4950
Text Notes 1000 1375 0    100  ~ 0
in-
Text Notes 1000 1600 0    100  ~ 0
in+
$Comp
L Device:R R19
U 1 1 615C0017
P 10025 1100
F 0 "R19" H 9900 1025 50  0000 C CNN
F 1 "250" H 9900 1100 50  0000 C CNN
F 2 "" V 9955 1100 50  0001 C CNN
F 3 "~" H 10025 1100 50  0001 C CNN
	1    10025 1100
	1    0    0    1   
$EndComp
$Comp
L Device:D_Zener_ALT D11
U 1 1 615C0AD7
P 10025 1575
F 0 "D11" V 9950 1350 50  0000 L CNN
F 1 "10V" V 10050 1350 50  0000 L CNN
F 2 "" H 10025 1575 50  0001 C CNN
F 3 "~" H 10025 1575 50  0001 C CNN
	1    10025 1575
	0    -1   1    0   
$EndComp
$Comp
L Device:C C14
U 1 1 615C1140
P 9650 1575
F 0 "C14" H 9850 1650 50  0000 C CNN
F 1 "100nF" H 9875 1575 50  0000 C CNN
F 2 "" H 9688 1425 50  0001 C CNN
F 3 "~" H 9650 1575 50  0001 C CNN
	1    9650 1575
	-1   0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR0143
U 1 1 615C17A1
P 10025 1750
F 0 "#PWR0143" H 10025 1500 50  0001 C CNN
F 1 "GNDA" H 10030 1577 50  0000 C CNN
F 2 "" H 10025 1750 50  0001 C CNN
F 3 "" H 10025 1750 50  0001 C CNN
	1    10025 1750
	-1   0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR0144
U 1 1 615C1B7F
P 9650 1750
F 0 "#PWR0144" H 9650 1500 50  0001 C CNN
F 1 "GNDA" H 9655 1577 50  0000 C CNN
F 2 "" H 9650 1750 50  0001 C CNN
F 3 "" H 9650 1750 50  0001 C CNN
	1    9650 1750
	-1   0    0    -1  
$EndComp
Wire Wire Line
	10025 1250 10025 1300
$Comp
L power:+12V #PWR0145
U 1 1 615D13F8
P 10025 950
F 0 "#PWR0145" H 10025 800 50  0001 C CNN
F 1 "+12V" H 10025 1100 50  0000 C CNN
F 2 "" H 10025 950 50  0001 C CNN
F 3 "" H 10025 950 50  0001 C CNN
	1    10025 950 
	-1   0    0    -1  
$EndComp
Text Notes 10166 838  2    50   ~ 0
A
$Comp
L Device:CP C13
U 1 1 615D2719
P 9100 1600
F 0 "C13" H 9225 1700 50  0000 L CNN
F 1 "10uF" H 9225 1625 50  0000 L CNN
F 2 "" H 9138 1450 50  0001 C CNN
F 3 "~" H 9100 1600 50  0001 C CNN
	1    9100 1600
	-1   0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR0146
U 1 1 615D2B5C
P 9100 1750
F 0 "#PWR0146" H 9100 1500 50  0001 C CNN
F 1 "GNDA" H 9105 1577 50  0000 C CNN
F 2 "" H 9100 1750 50  0001 C CNN
F 3 "" H 9100 1750 50  0001 C CNN
	1    9100 1750
	-1   0    0    -1  
$EndComp
Wire Wire Line
	10025 1300 9650 1300
Connection ~ 10025 1300
Wire Wire Line
	10025 1300 10025 1425
Wire Wire Line
	9650 1425 9650 1300
Connection ~ 9650 1300
Text Notes 8650 1185 2    50   ~ 0
R
Wire Wire Line
	9650 1300 9100 1300
Wire Wire Line
	9100 1450 9100 1300
Connection ~ 9100 1300
Wire Wire Line
	9650 1725 9650 1750
Wire Wire Line
	10025 1725 10025 1750
Text Notes 9525 1150 2    50   ~ 0
V Ref 10V
$Comp
L power:+12V #PWR0147
U 1 1 6165CB6F
P 6150 850
F 0 "#PWR0147" H 6150 700 50  0001 C CNN
F 1 "+12V" H 6165 1023 50  0000 C CNN
F 2 "" H 6150 850 50  0001 C CNN
F 3 "" H 6150 850 50  0001 C CNN
	1    6150 850 
	1    0    0    -1  
$EndComp
Wire Wire Line
	6150 850  6150 950 
Text Notes 6260 715  0    50   ~ 0
A
$Comp
L power:-12V #PWR0148
U 1 1 6166F1C6
P 6625 2525
F 0 "#PWR0148" H 6625 2625 50  0001 C CNN
F 1 "-12V" H 6650 2675 50  0000 C CNN
F 2 "" H 6625 2525 50  0001 C CNN
F 3 "" H 6625 2525 50  0001 C CNN
	1    6625 2525
	-1   0    0    1   
$EndComp
Wire Wire Line
	6625 2525 6625 2450
Text Notes 6625 2525 0    50   ~ 0
4
$Comp
L Device:C C7
U 1 1 616845BC
P 7550 3475
F 0 "C7" H 7725 3550 50  0000 C CNN
F 1 "22nF" H 7775 3475 50  0000 C CNN
F 2 "" H 7588 3325 50  0001 C CNN
F 3 "~" H 7550 3475 50  0001 C CNN
	1    7550 3475
	1    0    0    -1  
$EndComp
$Comp
L Device:C C6
U 1 1 616880AD
P 7575 1400
F 0 "C6" H 7750 1475 50  0000 C CNN
F 1 "22nF" H 7800 1400 50  0000 C CNN
F 2 "" H 7613 1250 50  0001 C CNN
F 3 "~" H 7575 1400 50  0001 C CNN
	1    7575 1400
	1    0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR0149
U 1 1 6168AA92
P 7550 3625
F 0 "#PWR0149" H 7550 3375 50  0001 C CNN
F 1 "GNDA" H 7555 3452 50  0000 C CNN
F 2 "" H 7550 3625 50  0001 C CNN
F 3 "" H 7550 3625 50  0001 C CNN
	1    7550 3625
	1    0    0    -1  
$EndComp
$Comp
L power:-12V #PWR0150
U 1 1 6168AFE5
P 7550 3325
F 0 "#PWR0150" H 7550 3425 50  0001 C CNN
F 1 "-12V" H 7575 3475 50  0000 C CNN
F 2 "" H 7550 3325 50  0001 C CNN
F 3 "" H 7550 3325 50  0001 C CNN
	1    7550 3325
	1    0    0    -1  
$EndComp
Text Notes 7670 3210 0    50   ~ 0
A
Text Notes 6694 2706 0    50   ~ 0
A
Text Notes 7600 3300 0    50   ~ 0
B3 pin4
$Comp
L power:GNDA #PWR0151
U 1 1 616AF672
P 7575 1550
F 0 "#PWR0151" H 7575 1300 50  0001 C CNN
F 1 "GNDA" H 7580 1377 50  0000 C CNN
F 2 "" H 7575 1550 50  0001 C CNN
F 3 "" H 7575 1550 50  0001 C CNN
	1    7575 1550
	1    0    0    -1  
$EndComp
Text Notes 7625 1275 0    50   ~ 0
B3 pin7
$Comp
L power:+12V #PWR0152
U 1 1 616B29A1
P 7575 1250
F 0 "#PWR0152" H 7575 1100 50  0001 C CNN
F 1 "+12V" H 7500 1400 50  0000 C CNN
F 2 "" H 7575 1250 50  0001 C CNN
F 3 "" H 7575 1250 50  0001 C CNN
	1    7575 1250
	1    0    0    -1  
$EndComp
Text Notes 7600 1135 0    50   ~ 0
A
Text Notes 6100 900  0    50   ~ 0
7
$Comp
L power:GNDPWR #PWR0153
U 1 1 6177A49D
P 2250 7275
F 0 "#PWR0153" H 2250 7075 50  0001 C CNN
F 1 "GNDPWR" H 2250 7125 50  0000 C CNN
F 2 "" H 2250 7225 50  0001 C CNN
F 3 "" H 2250 7225 50  0001 C CNN
	1    2250 7275
	1    0    0    -1  
$EndComp
Wire Wire Line
	1250 7250 2250 7250
$Comp
L power:+12P #PWR0154
U 1 1 6178C680
P 2650 7050
F 0 "#PWR0154" H 2650 6900 50  0001 C CNN
F 1 "+12P" H 2650 7200 50  0000 C CNN
F 2 "" H 2650 7050 50  0001 C CNN
F 3 "" H 2650 7050 50  0001 C CNN
	1    2650 7050
	1    0    0    -1  
$EndComp
Wire Wire Line
	1250 7150 2725 7150
$Comp
L power:GNDPWR #PWR0155
U 1 1 6179EED7
P 1000 4800
F 0 "#PWR0155" H 1000 4600 50  0001 C CNN
F 1 "GNDPWR" H 1000 4650 50  0000 C CNN
F 2 "" H 1000 4750 50  0001 C CNN
F 3 "" H 1000 4750 50  0001 C CNN
	1    1000 4800
	1    0    0    -1  
$EndComp
$Comp
L power:+12V #PWR0156
U 1 1 6179F69C
P 2200 6750
F 0 "#PWR0156" H 2200 6600 50  0001 C CNN
F 1 "+12V" H 2215 6923 50  0000 C CNN
F 2 "" H 2200 6750 50  0001 C CNN
F 3 "" H 2200 6750 50  0001 C CNN
	1    2200 6750
	1    0    0    -1  
$EndComp
Wire Wire Line
	1250 6750 2200 6750
Text Notes 2320 6615 0    50   ~ 0
A
$Comp
L power:GNDA #PWR0157
U 1 1 617B1CFC
P 2725 7275
F 0 "#PWR0157" H 2725 7025 50  0001 C CNN
F 1 "GNDA" H 2725 7125 50  0000 C CNN
F 2 "" H 2725 7275 50  0001 C CNN
F 3 "" H 2725 7275 50  0001 C CNN
	1    2725 7275
	1    0    0    -1  
$EndComp
$Comp
L power:-12V #PWR0158
U 1 1 617D7863
P 2425 6850
F 0 "#PWR0158" H 2425 6950 50  0001 C CNN
F 1 "-12V" H 2450 7000 50  0000 C CNN
F 2 "" H 2425 6850 50  0001 C CNN
F 3 "" H 2425 6850 50  0001 C CNN
	1    2425 6850
	1    0    0    -1  
$EndComp
Wire Wire Line
	1250 6850 2425 6850
Text Notes 2545 6735 0    50   ~ 0
A
Wire Wire Line
	8250 5200 8250 4175
Wire Wire Line
	6475 1825 8250 1825
Wire Wire Line
	8500 1300 8500 2050
Wire Wire Line
	8500 1300 9100 1300
Connection ~ 8500 1300
Wire Wire Line
	6250 3100 6375 3100
Connection ~ 6375 3100
Wire Wire Line
	2650 5925 2750 5925
Connection ~ 2750 5925
Wire Wire Line
	2750 5925 2850 5925
$Comp
L power:GNDPWR #PWR0159
U 1 1 619CB158
P 2850 6075
F 0 "#PWR0159" H 2850 5875 50  0001 C CNN
F 1 "GNDPWR" H 2850 5925 50  0000 C CNN
F 2 "" H 2850 6025 50  0001 C CNN
F 3 "" H 2850 6025 50  0001 C CNN
	1    2850 6075
	1    0    0    -1  
$EndComp
Wire Wire Line
	2850 5925 2850 6075
Connection ~ 2850 5925
Text Label 1850 1975 0    50   ~ 0
OverVolt
Wire Wire Line
	1850 1650 1850 1975
Text Label 3600 5350 0    50   ~ 0
OverVolt
Wire Wire Line
	3600 5375 3600 5350
Wire Wire Line
	3600 5375 3950 5375
$Comp
L Connector_Generic:Conn_01x02 X2
U 1 1 612D0385
P 8075 4400
F 0 "X2" H 8025 4575 50  0000 L CNN
F 1 "PWRPROT" H 7775 4500 50  0000 L CNN
F 2 "" H 8075 4400 50  0001 C CNN
F 3 "~" H 8075 4400 50  0001 C CNN
	1    8075 4400
	1    0    0    -1  
$EndComp
Wire Wire Line
	7875 4500 7875 4700
Connection ~ 1850 1650
Wire Wire Line
	1525 1650 1850 1650
$Comp
L Connector:Screw_Terminal_01x04 X1
U 1 1 613201DA
P 1325 1400
F 0 "X1" H 1325 1600 50  0000 C CNN
F 1 "Signal Input" H 1125 1100 50  0000 C CNN
F 2 "" H 1325 1400 50  0001 C CNN
F 3 "~" H 1325 1400 50  0001 C CNN
	1    1325 1400
	-1   0    0    -1  
$EndComp
Wire Wire Line
	1525 1250 1525 1300
Connection ~ 1525 1300
Wire Wire Line
	1525 1300 1525 1400
Wire Wire Line
	1525 1650 1525 1600
Connection ~ 1525 1600
Wire Wire Line
	1525 1600 1525 1500
$Comp
L Device:D_ALT D1
U 1 1 6134D1B0
P 2750 1000
F 0 "D1" V 2725 1075 50  0000 L CNN
F 1 "BAW62" V 2800 1075 50  0000 L CNN
F 2 "" H 2750 1000 50  0001 C CNN
F 3 "~" H 2750 1000 50  0001 C CNN
	1    2750 1000
	0    1    1    0   
$EndComp
$Comp
L Device:D_ALT D2
U 1 1 6139DD05
P 3200 1000
F 0 "D2" V 3175 1075 50  0000 L CNN
F 1 "BAW62" V 3250 1075 50  0000 L CNN
F 2 "" H 3200 1000 50  0001 C CNN
F 3 "~" H 3200 1000 50  0001 C CNN
	1    3200 1000
	0    1    1    0   
$EndComp
$Comp
L Device:D_ALT D3
U 1 1 613C6CD8
P 2650 1900
F 0 "D3" V 2675 1575 50  0000 L CNN
F 1 "BAW62" V 2750 1575 50  0000 L CNN
F 2 "" H 2650 1900 50  0001 C CNN
F 3 "~" H 2650 1900 50  0001 C CNN
	1    2650 1900
	0    1    1    0   
$EndComp
$Comp
L Device:D_ALT D4
U 1 1 613C7169
P 3075 1900
F 0 "D4" V 3100 1625 50  0000 L CNN
F 1 "BAW62" V 3175 1625 50  0000 L CNN
F 2 "" H 3075 1900 50  0001 C CNN
F 3 "~" H 3075 1900 50  0001 C CNN
	1    3075 1900
	0    1    1    0   
$EndComp
$Comp
L Device:D_ALT D9
U 1 1 613C89D7
P 7350 4550
F 0 "D9" V 7325 4625 50  0000 L CNN
F 1 "BAW62" V 7400 4625 50  0000 L CNN
F 2 "" H 7350 4550 50  0001 C CNN
F 3 "~" H 7350 4550 50  0001 C CNN
	1    7350 4550
	0    1    1    0   
$EndComp
Wire Wire Line
	7050 4400 7350 4400
Wire Wire Line
	7000 4700 7350 4700
Connection ~ 7350 4400
Wire Wire Line
	7350 4400 7875 4400
Connection ~ 7350 4700
Wire Wire Line
	7350 4700 7875 4700
$Comp
L Connector:Screw_Terminal_01x08 X3
U 1 1 613E008F
P 1050 7050
F 0 "X3" H 1050 7450 50  0000 C CNN
F 1 "Low Voltage Power" V 1200 6975 50  0000 C CNN
F 2 "" H 1050 7050 50  0001 C CNN
F 3 "~" H 1050 7050 50  0001 C CNN
	1    1050 7050
	-1   0    0    -1  
$EndComp
Wire Wire Line
	2725 7150 2725 7275
Wire Wire Line
	2250 7250 2250 7275
Wire Wire Line
	1250 7050 2650 7050
$Comp
L Connector:Screw_Terminal_01x05 X4
U 1 1 614F3ED2
P 1050 6250
F 0 "X4" H 1050 6550 50  0000 C CNN
F 1 "OptoCouplers" V 1175 6250 50  0000 C CNN
F 2 "" H 1050 6250 50  0001 C CNN
F 3 "~" H 1050 6250 50  0001 C CNN
	1    1050 6250
	-1   0    0    -1  
$EndComp
Wire Wire Line
	2350 5925 2350 6150
Wire Wire Line
	2350 6150 1550 6150
Wire Wire Line
	2450 5925 2450 6250
Wire Wire Line
	2450 6250 2100 6250
Wire Wire Line
	1800 6250 1250 6250
Wire Wire Line
	2550 5925 2550 6350
Wire Wire Line
	2550 6350 1550 6350
$Comp
L power:GNDPWR #PWR0160
U 1 1 61635109
P 1575 6475
F 0 "#PWR0160" H 1575 6275 50  0001 C CNN
F 1 "GNDPWR" H 1575 6325 50  0000 C CNN
F 2 "" H 1575 6425 50  0001 C CNN
F 3 "" H 1575 6425 50  0001 C CNN
	1    1575 6475
	1    0    0    -1  
$EndComp
Wire Wire Line
	1250 6450 1575 6450
Wire Wire Line
	1575 6450 1575 6475
$Comp
L Connector:Screw_Terminal_01x08 X5
U 1 1 61654FD7
P 10050 5750
F 0 "X5" H 10000 6150 50  0000 L CNN
F 1 "Output" V 10175 5650 50  0000 L CNN
F 2 "" H 10050 5750 50  0001 C CNN
F 3 "~" H 10050 5750 50  0001 C CNN
	1    10050 5750
	1    0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR0161
U 1 1 616847A5
P 9400 6150
F 0 "#PWR0161" H 9400 5900 50  0001 C CNN
F 1 "GNDA" H 9405 5977 50  0000 C CNN
F 2 "" H 9400 6150 50  0001 C CNN
F 3 "" H 9400 6150 50  0001 C CNN
	1    9400 6150
	1    0    0    -1  
$EndComp
Text Label 10725 4275 0    50   ~ 0
Vin<200
Text Label 9850 5950 2    50   ~ 0
Vin<200
Text Label 9850 5850 2    50   ~ 0
Vin<400
Text Label 10825 2600 0    50   ~ 0
Vin<400
Text Label 7875 1050 0    50   ~ 0
ADC
Text Label 9850 5450 2    50   ~ 0
ADC
Text Label 7875 2325 0    50   ~ 0
ANALOG
Text Label 9850 5650 2    50   ~ 0
ANALOG
Wire Wire Line
	9400 6150 9850 6150
Wire Wire Line
	9850 5750 9400 5750
Wire Wire Line
	9400 5750 9400 6150
Connection ~ 9400 6150
Wire Wire Line
	9850 5550 9400 5550
Wire Wire Line
	9400 5550 9400 5750
Connection ~ 9400 5750
Text Label 7475 5950 0    50   ~ 0
Vin<3200
Text Label 9850 6050 2    50   ~ 0
Vin<3200
$Comp
L Device:D_ALT D7
U 1 1 6175771C
P 4350 5100
F 0 "D7" V 4275 4775 50  0000 L CNN
F 1 "BAW62" V 4350 4775 50  0000 L CNN
F 2 "" H 4350 5100 50  0001 C CNN
F 3 "~" H 4350 5100 50  0001 C CNN
	1    4350 5100
	0    1    1    0   
$EndComp
$Comp
L Device:D_ALT D8
U 1 1 61757C22
P 4400 5750
F 0 "D8" V 4425 5450 50  0000 L CNN
F 1 "BAW62" V 4500 5450 50  0000 L CNN
F 2 "" H 4400 5750 50  0001 C CNN
F 3 "~" H 4400 5750 50  0001 C CNN
	1    4400 5750
	0    1    1    0   
$EndComp
$Comp
L Connector_Generic:Conn_01x02 MP1
U 1 1 61785B1E
P 5250 775
F 0 "MP1" V 5225 875 50  0000 L CNN
F 1 "CAL" V 5125 875 50  0000 L CNN
F 2 "" H 5250 775 50  0001 C CNN
F 3 "~" H 5250 775 50  0001 C CNN
	1    5250 775 
	0    1    -1   0   
$EndComp
$Comp
L Device:R R4
U 1 1 617B19A8
P 5250 1225
F 0 "R4" H 5100 1150 50  0000 C CNN
F 1 "10k0" H 5100 1225 50  0000 C CNN
F 2 "" V 5180 1225 50  0001 C CNN
F 3 "~" H 5250 1225 50  0001 C CNN
	1    5250 1225
	-1   0    0    1   
$EndComp
Wire Wire Line
	5250 1375 5250 1450
Connection ~ 5250 1450
Wire Wire Line
	5250 1450 5250 1725
Wire Wire Line
	5250 1450 5725 1450
Wire Wire Line
	5725 1450 5725 950 
Wire Wire Line
	5725 950  5875 950 
Wire Wire Line
	5250 975  5250 1075
Wire Wire Line
	4800 975  5050 975 
Connection ~ 5050 975 
Wire Wire Line
	5050 975  5150 975 
Text Notes 10450 6450 0    250  ~ 50
U3
$Comp
L Comparator:LM393 B4
U 1 1 613EE0F0
P 5700 4700
F 0 "B4" H 5775 4925 50  0000 C CNN
F 1 "LM393" H 5825 4850 50  0000 C CNN
F 2 "" H 5700 4700 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/lm393-n.pdf" H 5700 4700 50  0001 C CNN
	1    5700 4700
	1    0    0    -1  
$EndComp
Connection ~ 6000 4700
$Comp
L Comparator:LM393 B4
U 2 1 6140ACE6
P 5700 5950
F 0 "B4" H 5775 6175 50  0000 C CNN
F 1 "LM393" H 5825 6100 50  0000 C CNN
F 2 "" H 5700 5950 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/lm393-n.pdf" H 5700 5950 50  0001 C CNN
	2    5700 5950
	1    0    0    -1  
$EndComp
Connection ~ 6000 5950
$Comp
L Comparator:LM393 B6
U 1 1 61427E76
P 9525 2600
F 0 "B6" H 9600 2825 50  0000 C CNN
F 1 "LM393" H 9650 2750 50  0000 C CNN
F 2 "" H 9525 2600 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/lm393-n.pdf" H 9525 2600 50  0001 C CNN
	1    9525 2600
	1    0    0    -1  
$EndComp
$Comp
L Comparator:LM393 B6
U 2 1 61429619
P 9525 4275
F 0 "B6" H 9600 4500 50  0000 C CNN
F 1 "LM393" H 9650 4425 50  0000 C CNN
F 2 "" H 9525 4275 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/lm393-n.pdf" H 9525 4275 50  0001 C CNN
	2    9525 4275
	1    0    0    -1  
$EndComp
Connection ~ 9825 2600
$Comp
L power:GNDA #PWR?
U 1 1 61458BA2
P 9450 4950
F 0 "#PWR?" H 9450 4700 50  0001 C CNN
F 1 "GNDA" H 9455 4777 50  0000 C CNN
F 2 "" H 9450 4950 50  0001 C CNN
F 3 "" H 9450 4950 50  0001 C CNN
	1    9450 4950
	1    0    0    -1  
$EndComp
Text Notes 9375 4525 0    50   ~ 0
4\n
Wire Wire Line
	9825 4275 9950 4275
$Comp
L Device:C C17
U 1 1 614B2546
P 9750 4800
F 0 "C17" H 9500 4775 50  0000 L CNN
F 1 "22nF" H 9500 4700 50  0000 L CNN
F 2 "" H 9788 4650 50  0001 C CNN
F 3 "~" H 9750 4800 50  0001 C CNN
	1    9750 4800
	1    0    0    -1  
$EndComp
$Comp
L power:+12V #PWR?
U 1 1 614B2D7B
P 9750 4575
F 0 "#PWR?" H 9750 4425 50  0001 C CNN
F 1 "+12V" H 9850 4700 50  0000 C CNN
F 2 "" H 9750 4575 50  0001 C CNN
F 3 "" H 9750 4575 50  0001 C CNN
	1    9750 4575
	1    0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR?
U 1 1 614B3996
P 9750 4950
F 0 "#PWR?" H 9750 4700 50  0001 C CNN
F 1 "GNDA" H 9755 4777 50  0000 C CNN
F 2 "" H 9750 4950 50  0001 C CNN
F 3 "" H 9750 4950 50  0001 C CNN
	1    9750 4950
	1    0    0    -1  
$EndComp
Connection ~ 9825 4275
Wire Wire Line
	8925 4375 9225 4375
Text Notes 9935 4485 0    50   ~ 0
A
Text Notes 9525 4450 0    50   ~ 0
8
$Comp
L Device:CP C19
U 1 1 61516346
P 3175 6900
F 0 "C19" H 2925 7000 50  0000 L CNN
F 1 "22uF" H 2925 6800 50  0000 L CNN
F 2 "" H 3213 6750 50  0001 C CNN
F 3 "~" H 3175 6900 50  0001 C CNN
	1    3175 6900
	-1   0    0    -1  
$EndComp
$Comp
L Device:CP C20
U 1 1 615178A6
P 3600 6900
F 0 "C20" H 3350 7000 50  0000 L CNN
F 1 "22uF" H 3350 6800 50  0000 L CNN
F 2 "" H 3638 6750 50  0001 C CNN
F 3 "~" H 3600 6900 50  0001 C CNN
	1    3600 6900
	-1   0    0    -1  
$EndComp
$Comp
L Device:CP C21
U 1 1 61517EF3
P 4025 6900
F 0 "C21" H 3800 6800 50  0000 L CNN
F 1 "22uF" H 3750 7000 50  0000 L CNN
F 2 "" H 4063 6750 50  0001 C CNN
F 3 "~" H 4025 6900 50  0001 C CNN
	1    4025 6900
	-1   0    0    1   
$EndComp
$Comp
L power:GNDA #PWR?
U 1 1 6152D9E3
P 3600 7050
F 0 "#PWR?" H 3600 6800 50  0001 C CNN
F 1 "GNDA" H 3600 6900 50  0000 C CNN
F 2 "" H 3600 7050 50  0001 C CNN
F 3 "" H 3600 7050 50  0001 C CNN
	1    3600 7050
	1    0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR?
U 1 1 6152E02A
P 4025 7050
F 0 "#PWR?" H 4025 6800 50  0001 C CNN
F 1 "GNDA" H 4025 6900 50  0000 C CNN
F 2 "" H 4025 7050 50  0001 C CNN
F 3 "" H 4025 7050 50  0001 C CNN
	1    4025 7050
	1    0    0    -1  
$EndComp
$Comp
L power:GNDPWR #PWR?
U 1 1 6152E30A
P 3175 7050
F 0 "#PWR?" H 3175 6850 50  0001 C CNN
F 1 "GNDPWR" H 3175 6900 50  0000 C CNN
F 2 "" H 3175 7000 50  0001 C CNN
F 3 "" H 3175 7000 50  0001 C CNN
	1    3175 7050
	1    0    0    -1  
$EndComp
$Comp
L power:+12P #PWR?
U 1 1 6152E974
P 3175 6750
F 0 "#PWR?" H 3175 6600 50  0001 C CNN
F 1 "+12P" H 3175 6900 50  0000 C CNN
F 2 "" H 3175 6750 50  0001 C CNN
F 3 "" H 3175 6750 50  0001 C CNN
	1    3175 6750
	1    0    0    -1  
$EndComp
$Comp
L power:-12V #PWR?
U 1 1 6152EEF0
P 4025 6750
F 0 "#PWR?" H 4025 6850 50  0001 C CNN
F 1 "-12V" H 4025 6900 50  0000 C CNN
F 2 "" H 4025 6750 50  0001 C CNN
F 3 "" H 4025 6750 50  0001 C CNN
	1    4025 6750
	1    0    0    -1  
$EndComp
$Comp
L power:+12V #PWR?
U 1 1 6152F431
P 3600 6750
F 0 "#PWR?" H 3600 6600 50  0001 C CNN
F 1 "+12V" H 3600 6900 50  0000 C CNN
F 2 "" H 3600 6750 50  0001 C CNN
F 3 "" H 3600 6750 50  0001 C CNN
	1    3600 6750
	1    0    0    -1  
$EndComp
Text Notes 3695 6635 0    50   ~ 0
A
Text Notes 4120 6635 0    50   ~ 0
A
$Comp
L Device:R R31
U 1 1 614CA97D
P 10250 4275
F 0 "R31" V 10150 4225 50  0000 C CNN
F 1 "1k0" V 10075 4225 50  0000 C CNN
F 2 "" V 10180 4275 50  0001 C CNN
F 3 "~" H 10250 4275 50  0001 C CNN
	1    10250 4275
	0    -1   -1   0   
$EndComp
$Comp
L Device:R R32
U 1 1 61510365
P 10075 4500
F 0 "R32" H 9950 4525 50  0000 C CNN
F 1 "1k0" H 9950 4600 50  0000 C CNN
F 2 "" V 10005 4500 50  0001 C CNN
F 3 "~" H 10075 4500 50  0001 C CNN
	1    10075 4500
	-1   0    0    1   
$EndComp
$Comp
L Device:C C18
U 1 1 615119F3
P 10075 4800
F 0 "C18" H 10175 4825 50  0000 L CNN
F 1 "22nF" H 10175 4750 50  0000 L CNN
F 2 "" H 10113 4650 50  0001 C CNN
F 3 "~" H 10075 4800 50  0001 C CNN
	1    10075 4800
	1    0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR?
U 1 1 61512DF5
P 10075 4950
F 0 "#PWR?" H 10075 4700 50  0001 C CNN
F 1 "GNDA" H 10080 4777 50  0000 C CNN
F 2 "" H 10075 4950 50  0001 C CNN
F 3 "" H 10075 4950 50  0001 C CNN
	1    10075 4950
	1    0    0    -1  
$EndComp
Wire Wire Line
	10075 4350 10075 4275
Connection ~ 10075 4275
Wire Wire Line
	10075 4275 10100 4275
Connection ~ 8250 4175
Wire Wire Line
	8250 1825 8250 4175
Connection ~ 8500 2700
Wire Wire Line
	8500 2700 8500 3150
Wire Wire Line
	8775 2500 8775 4175
Connection ~ 8775 4175
Wire Wire Line
	8775 4175 8825 4175
Wire Wire Line
	8250 4175 8775 4175
Wire Wire Line
	8500 3450 8500 4375
Connection ~ 8500 4375
Wire Wire Line
	8500 4375 8500 4650
Wire Wire Line
	8925 4375 8925 4650
Wire Wire Line
	9450 4425 9450 4950
Wire Wire Line
	10450 4275 10450 4525
$Comp
L Device:D_Zener_ALT D?
U 1 1 616FD192
P 10450 3000
F 0 "D?" V 10400 3100 50  0000 L CNN
F 1 "4V7" V 10475 3100 50  0000 L CNN
F 2 "" H 10450 3000 50  0001 C CNN
F 3 "~" H 10450 3000 50  0001 C CNN
	1    10450 3000
	0    1    1    0   
$EndComp
$Comp
L power:GNDA #PWR?
U 1 1 616FD19C
P 10450 3275
F 0 "#PWR?" H 10450 3025 50  0001 C CNN
F 1 "GNDA" H 10455 3102 50  0000 C CNN
F 2 "" H 10450 3275 50  0001 C CNN
F 3 "" H 10450 3275 50  0001 C CNN
	1    10450 3275
	1    0    0    -1  
$EndComp
Wire Wire Line
	10450 3150 10450 3275
$Comp
L Device:R R26
U 1 1 616FD1AA
P 10250 2600
F 0 "R26" V 10150 2575 50  0000 C CNN
F 1 "1k0" V 10075 2575 50  0000 C CNN
F 2 "" V 10180 2600 50  0001 C CNN
F 3 "~" H 10250 2600 50  0001 C CNN
	1    10250 2600
	0    -1   -1   0   
$EndComp
Wire Wire Line
	10400 2600 10450 2600
Wire Wire Line
	10450 2600 10450 2850
Wire Wire Line
	10100 2600 10025 2600
Connection ~ 10025 2600
Wire Wire Line
	10825 2600 10450 2600
Connection ~ 10450 2600
$Comp
L Device:R R27
U 1 1 617B02D8
P 9900 2825
F 0 "R27" H 9775 2825 50  0000 C CNN
F 1 "1k0" H 9775 2900 50  0000 C CNN
F 2 "" V 9830 2825 50  0001 C CNN
F 3 "~" H 9900 2825 50  0001 C CNN
	1    9900 2825
	-1   0    0    1   
$EndComp
$Comp
L Device:C C15
U 1 1 617B02E2
P 9900 3125
F 0 "C15" H 10000 3150 50  0000 L CNN
F 1 "22nF" H 10000 3075 50  0000 L CNN
F 2 "" H 9938 2975 50  0001 C CNN
F 3 "~" H 9900 3125 50  0001 C CNN
	1    9900 3125
	1    0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR?
U 1 1 617B02EC
P 9900 3275
F 0 "#PWR?" H 9900 3025 50  0001 C CNN
F 1 "GNDA" H 9905 3102 50  0000 C CNN
F 2 "" H 9900 3275 50  0001 C CNN
F 3 "" H 9900 3275 50  0001 C CNN
	1    9900 3275
	1    0    0    -1  
$EndComp
Wire Wire Line
	9575 4575 9750 4575
Wire Wire Line
	9575 4350 9575 4575
Connection ~ 9950 4275
Wire Wire Line
	9950 4275 10075 4275
$Comp
L Device:R R41
U 1 1 6149671B
P 5750 5600
F 0 "R41" V 5900 5625 50  0000 C CNN
F 1 "1M" V 5825 5650 50  0000 C CNN
F 2 "" V 5680 5600 50  0001 C CNN
F 3 "~" H 5750 5600 50  0001 C CNN
	1    5750 5600
	0    -1   -1   0   
$EndComp
$Comp
L Device:R R43
U 1 1 61887E8F
P 6575 5950
F 0 "R43" V 6475 5875 50  0000 C CNN
F 1 "1k0" V 6400 5875 50  0000 C CNN
F 2 "" V 6505 5950 50  0001 C CNN
F 3 "~" H 6575 5950 50  0001 C CNN
	1    6575 5950
	0    -1   -1   0   
$EndComp
Connection ~ 6425 5950
Connection ~ 9750 4575
Wire Wire Line
	9750 4575 9750 4650
$Comp
L Device:R R44
U 1 1 618E0B36
P 6425 6225
F 0 "R44" H 6300 6225 50  0000 C CNN
F 1 "1k0" H 6300 6300 50  0000 C CNN
F 2 "" V 6355 6225 50  0001 C CNN
F 3 "~" H 6425 6225 50  0001 C CNN
	1    6425 6225
	-1   0    0    1   
$EndComp
$Comp
L Device:C C12
U 1 1 618E1E91
P 6425 6525
F 0 "C12" H 6525 6500 50  0000 L CNN
F 1 "22nF" H 6525 6425 50  0000 L CNN
F 2 "" H 6463 6375 50  0001 C CNN
F 3 "~" H 6425 6525 50  0001 C CNN
	1    6425 6525
	1    0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR?
U 1 1 618E325F
P 6425 6675
F 0 "#PWR?" H 6425 6425 50  0001 C CNN
F 1 "GNDA" H 6430 6502 50  0000 C CNN
F 2 "" H 6425 6675 50  0001 C CNN
F 3 "" H 6425 6675 50  0001 C CNN
	1    6425 6675
	1    0    0    -1  
$EndComp
Wire Wire Line
	4825 6050 4825 6250
Wire Wire Line
	5150 6050 5150 6375
Wire Wire Line
	5625 6100 5625 6675
Wire Wire Line
	6000 6225 6000 6375
Wire Wire Line
	6725 5950 6825 5950
Wire Wire Line
	10400 4275 10450 4275
Connection ~ 10450 4275
Wire Wire Line
	10450 4275 10725 4275
Wire Wire Line
	6825 6200 6825 5950
Connection ~ 6825 5950
Wire Wire Line
	6825 5950 7475 5950
$Comp
L Device:C C8
U 1 1 61A61BE3
P 6400 4850
F 0 "C8" H 6525 4850 50  0000 L CNN
F 1 "22nF" H 6525 4775 50  0000 L CNN
F 2 "" H 6438 4700 50  0001 C CNN
F 3 "~" H 6400 4850 50  0001 C CNN
	1    6400 4850
	1    0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR?
U 1 1 61A61BED
P 6400 5000
F 0 "#PWR?" H 6400 4750 50  0001 C CNN
F 1 "GNDA" H 6400 4850 50  0000 C CNN
F 2 "" H 6400 5000 50  0001 C CNN
F 3 "" H 6400 5000 50  0001 C CNN
	1    6400 5000
	1    0    0    -1  
$EndComp
Connection ~ 6400 4700
Wire Wire Line
	1525 1250 2100 1250
Wire Wire Line
	1850 1650 2100 1650
$EndSCHEMATC