EESchema Schematic File Version 4
LIBS:mixerin_output-cache
EELAYER 26 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L power:+15V #PWR0110
U 1 1 5C54757E
P 3700 1700
F 0 "#PWR0110" H 3700 1550 50  0001 C CNN
F 1 "+15V" H 3715 1873 50  0000 C CNN
F 2 "" H 3700 1700 50  0001 C CNN
F 3 "" H 3700 1700 50  0001 C CNN
	1    3700 1700
	1    0    0    -1  
$EndComp
$Comp
L power:-15V #PWR0111
U 1 1 5C5477E1
P 1950 1000
F 0 "#PWR0111" H 1950 1100 50  0001 C CNN
F 1 "-15V" H 1965 1173 50  0000 C CNN
F 2 "" H 1950 1000 50  0001 C CNN
F 3 "" H 1950 1000 50  0001 C CNN
	1    1950 1000
	-1   0    0    1   
$EndComp
$Comp
L power:GNDA #PWR0112
U 1 1 5C547AD0
P 2200 1300
F 0 "#PWR0112" H 2200 1050 50  0001 C CNN
F 1 "GNDA" H 2205 1127 50  0000 C CNN
F 2 "" H 2200 1300 50  0001 C CNN
F 3 "" H 2200 1300 50  0001 C CNN
	1    2200 1300
	1    0    0    -1  
$EndComp
$Comp
L Connector_Generic:Conn_02x18_Row_Letter_Last J3
U 1 1 5C5482AB
P 2750 1800
F 0 "J3" H 2800 2817 50  0000 C CNN
F 1 "Conn_02x18_Row_Letter_First" H 2800 2726 50  0000 C CNN
F 2 "footprints:PCIexpress_1x_letters" H 2750 1800 50  0001 C CNN
F 3 "~" H 2750 1800 50  0001 C CNN
	1    2750 1800
	1    0    0    -1  
$EndComp
Wire Wire Line
	1950 1000 2450 1000
Wire Wire Line
	2550 1100 2450 1100
Wire Wire Line
	2450 1100 2450 1000
Connection ~ 2450 1000
Wire Wire Line
	2450 1000 2550 1000
Wire Wire Line
	2550 1200 2450 1200
Wire Wire Line
	2450 1200 2450 1100
Connection ~ 2450 1100
$Comp
L power:+15V #PWR0101
U 1 1 5C548E75
P 1950 1700
F 0 "#PWR0101" H 1950 1550 50  0001 C CNN
F 1 "+15V" H 1965 1873 50  0000 C CNN
F 2 "" H 1950 1700 50  0001 C CNN
F 3 "" H 1950 1700 50  0001 C CNN
	1    1950 1700
	1    0    0    -1  
$EndComp
Wire Wire Line
	3050 1100 3150 1100
Wire Wire Line
	3150 1100 3150 1000
Wire Wire Line
	3150 1000 3050 1000
Wire Wire Line
	3150 1100 3150 1200
Wire Wire Line
	3150 1200 3050 1200
Connection ~ 3150 1100
$Comp
L power:GNDA #PWR0109
U 1 1 5C54A2E8
P 3400 1300
F 0 "#PWR0109" H 3400 1050 50  0001 C CNN
F 1 "GNDA" H 3405 1127 50  0000 C CNN
F 2 "" H 3400 1300 50  0001 C CNN
F 3 "" H 3400 1300 50  0001 C CNN
	1    3400 1300
	1    0    0    -1  
$EndComp
Wire Wire Line
	2200 1300 2450 1300
$Comp
L power:-15V #PWR0113
U 1 1 5C54D177
P 3700 1000
F 0 "#PWR0113" H 3700 1100 50  0001 C CNN
F 1 "-15V" H 3715 1173 50  0000 C CNN
F 2 "" H 3700 1000 50  0001 C CNN
F 3 "" H 3700 1000 50  0001 C CNN
	1    3700 1000
	-1   0    0    1   
$EndComp
Wire Wire Line
	3150 1000 3700 1000
Connection ~ 3150 1000
Wire Wire Line
	3050 1300 3150 1300
Wire Wire Line
	2550 1400 2450 1400
Wire Wire Line
	2450 1400 2450 1300
Connection ~ 2450 1300
Wire Wire Line
	2450 1300 2550 1300
Wire Wire Line
	2550 1500 2450 1500
Wire Wire Line
	2450 1500 2450 1400
Connection ~ 2450 1400
Wire Wire Line
	3050 1400 3150 1400
Wire Wire Line
	3150 1400 3150 1300
Connection ~ 3150 1300
Wire Wire Line
	3150 1300 3400 1300
Wire Wire Line
	3150 1400 3150 1500
Wire Wire Line
	3150 1500 3050 1500
Connection ~ 3150 1400
Wire Wire Line
	2550 1600 2450 1600
Wire Wire Line
	2450 1600 2450 1700
Wire Wire Line
	2450 1800 2550 1800
Wire Wire Line
	2550 1700 2450 1700
Connection ~ 2450 1700
Wire Wire Line
	2450 1700 2450 1800
Wire Wire Line
	3050 1600 3150 1600
Wire Wire Line
	3150 1600 3150 1700
Wire Wire Line
	3150 1800 3050 1800
Wire Wire Line
	3050 1700 3150 1700
Connection ~ 3150 1700
Wire Wire Line
	3150 1700 3150 1800
Wire Wire Line
	3700 1700 3150 1700
Wire Wire Line
	1950 1700 2450 1700
$Comp
L Device:Opamp_Dual_Generic U1
U 2 1 5C54CA7D
P 4150 5500
AR Path="/5C54CA7D" Ref="U1"  Part="2" 
AR Path="/5C06F581/5C54CA7D" Ref="U?"  Part="2" 
AR Path="/5C0574B7/5C54CA7D" Ref="U?"  Part="1" 
AR Path="/5C05A497/5C54CA7D" Ref="U?"  Part="2" 
F 0 "U1" H 4150 5200 50  0000 C CNN
F 1 "LM4562" H 4200 5300 50  0000 C CNN
F 2 "Package_DIP:DIP-8_W7.62mm" H 4150 5500 50  0001 C CNN
F 3 "~" H 4150 5500 50  0001 C CNN
	2    4150 5500
	1    0    0    1   
$EndComp
$Comp
L Device:Opamp_Dual_Generic U1
U 1 1 5C54CA84
P 4150 3650
AR Path="/5C54CA84" Ref="U1"  Part="1" 
AR Path="/5C06F581/5C54CA84" Ref="U?"  Part="3" 
AR Path="/5C0574B7/5C54CA84" Ref="U?"  Part="2" 
AR Path="/5C05A497/5C54CA84" Ref="U?"  Part="1" 
F 0 "U1" H 4200 3350 50  0000 C CNN
F 1 "LM4562" H 4250 3450 50  0000 C CNN
F 2 "Package_DIP:DIP-8_W7.62mm" H 4150 3650 50  0001 C CNN
F 3 "~" H 4150 3650 50  0001 C CNN
	1    4150 3650
	1    0    0    1   
$EndComp
$Comp
L Device:R RA2
U 1 1 5C54CA8C
P 3400 3550
AR Path="/5C54CA8C" Ref="RA2"  Part="1" 
AR Path="/5C06F581/5C54CA8C" Ref="R?"  Part="1" 
AR Path="/5C0574B7/5C54CA8C" Ref="R?"  Part="1" 
AR Path="/5C05A497/5C54CA8C" Ref="R?"  Part="1" 
F 0 "RA2" V 3600 3550 50  0000 C CNN
F 1 "10k|0|open" V 3500 3550 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal" V 3330 3550 50  0001 C CNN
F 3 "~" H 3400 3550 50  0001 C CNN
F 4 "Metallfilm" V 3400 3550 50  0001 C CNN "Notes"
	1    3400 3550
	0    -1   -1   0   
$EndComp
Wire Wire Line
	3850 3550 3800 3550
$Comp
L Device:R RA1
U 1 1 5C54CA95
P 4150 3200
AR Path="/5C54CA95" Ref="RA1"  Part="1" 
AR Path="/5C06F581/5C54CA95" Ref="R?"  Part="1" 
AR Path="/5C0574B7/5C54CA95" Ref="R?"  Part="1" 
AR Path="/5C05A497/5C54CA95" Ref="R?"  Part="1" 
F 0 "RA1" V 4357 3200 50  0000 C CNN
F 1 "10k|10k|0" V 4266 3200 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal" V 4080 3200 50  0001 C CNN
F 3 "~" H 4150 3200 50  0001 C CNN
F 4 "Metallfilm" V 4150 3200 50  0001 C CNN "Notes"
	1    4150 3200
	0    -1   -1   0   
$EndComp
Wire Wire Line
	4450 3650 4450 3200
Wire Wire Line
	4450 3200 4300 3200
Wire Wire Line
	4000 3200 3800 3200
Wire Wire Line
	3800 3200 3800 3550
Wire Wire Line
	3800 3550 3550 3550
Connection ~ 3800 3550
Text Notes 4300 3200 0    50   ~ 0
v = -R2/R1
$Comp
L Device:R RA3
U 1 1 5C54CAA4
P 3400 3750
AR Path="/5C54CAA4" Ref="RA3"  Part="1" 
AR Path="/5C06F581/5C54CAA4" Ref="R?"  Part="1" 
AR Path="/5C0574B7/5C54CAA4" Ref="R?"  Part="1" 
AR Path="/5C05A497/5C54CAA4" Ref="R?"  Part="1" 
F 0 "RA3" V 3300 3750 50  0000 C CNN
F 1 "10k|1k|10k" V 3200 3750 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal" V 3330 3750 50  0001 C CNN
F 3 "~" H 3400 3750 50  0001 C CNN
F 4 "Metallfilm" V 3400 3750 50  0001 C CNN "Notes"
	1    3400 3750
	0    -1   -1   0   
$EndComp
$Comp
L Device:R RA5
U 1 1 5C54CAAC
P 3650 4150
AR Path="/5C54CAAC" Ref="RA5"  Part="1" 
AR Path="/5C06F581/5C54CAAC" Ref="R?"  Part="1" 
AR Path="/5C0574B7/5C54CAAC" Ref="R?"  Part="1" 
AR Path="/5C05A497/5C54CAAC" Ref="R?"  Part="1" 
F 0 "RA5" V 3857 4150 50  0000 C CNN
F 1 "10k|open|open" V 3766 4150 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal" V 3580 4150 50  0001 C CNN
F 3 "~" H 3650 4150 50  0001 C CNN
F 4 "Metallfilm" V 3650 4150 50  0001 C CNN "Notes"
	1    3650 4150
	1    0    0    -1  
$EndComp
Wire Wire Line
	3550 3750 3650 3750
Connection ~ 3650 3750
Wire Wire Line
	3250 3750 3100 3750
$Comp
L Device:R RA4
U 1 1 5C54CAB9
P 3100 4150
AR Path="/5C54CAB9" Ref="RA4"  Part="1" 
AR Path="/5C06F581/5C54CAB9" Ref="R?"  Part="1" 
AR Path="/5C0574B7/5C54CAB9" Ref="R?"  Part="1" 
AR Path="/5C05A497/5C54CAB9" Ref="R?"  Part="1" 
F 0 "RA4" V 3350 4050 50  0000 C CNN
F 1 "10|0|open" V 3250 4050 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal" V 3030 4150 50  0001 C CNN
F 3 "~" H 3100 4150 50  0001 C CNN
F 4 "Metallfilm" V 3100 4150 50  0001 C CNN "Notes"
	1    3100 4150
	1    0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR0102
U 1 1 5C54CAC0
P 3100 4300
AR Path="/5C54CAC0" Ref="#PWR0102"  Part="1" 
AR Path="/5C06F581/5C54CAC0" Ref="#PWR?"  Part="1" 
AR Path="/5C0574B7/5C54CAC0" Ref="#PWR?"  Part="1" 
AR Path="/5C05A497/5C54CAC0" Ref="#PWR?"  Part="1" 
F 0 "#PWR0102" H 3100 4050 50  0001 C CNN
F 1 "GNDA" H 3105 4127 50  0000 C CNN
F 2 "" H 3100 4300 50  0001 C CNN
F 3 "" H 3100 4300 50  0001 C CNN
	1    3100 4300
	1    0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR0103
U 1 1 5C54CAC6
P 3650 4300
AR Path="/5C54CAC6" Ref="#PWR0103"  Part="1" 
AR Path="/5C06F581/5C54CAC6" Ref="#PWR?"  Part="1" 
AR Path="/5C0574B7/5C54CAC6" Ref="#PWR?"  Part="1" 
AR Path="/5C05A497/5C54CAC6" Ref="#PWR?"  Part="1" 
F 0 "#PWR0103" H 3650 4050 50  0001 C CNN
F 1 "GNDA" H 3655 4127 50  0000 C CNN
F 2 "" H 3650 4300 50  0001 C CNN
F 3 "" H 3650 4300 50  0001 C CNN
	1    3650 4300
	1    0    0    -1  
$EndComp
$Comp
L Connector:Conn_01x02_Male JA2
U 1 1 5C54CACC
P 2900 3800
AR Path="/5C54CACC" Ref="JA2"  Part="1" 
AR Path="/5C06F581/5C54CACC" Ref="J?"  Part="1" 
AR Path="/5C0574B7/5C54CACC" Ref="J?"  Part="1" 
AR Path="/5C05A497/5C54CACC" Ref="J?"  Part="1" 
F 0 "JA2" H 2950 3550 50  0000 C CNN
F 1 "Jumper" H 2950 3650 50  0000 C CNN
F 2 "Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm" H 2900 3800 50  0001 C CNN
F 3 "~" H 2900 3800 50  0001 C CNN
	1    2900 3800
	1    0    0    -1  
$EndComp
Wire Wire Line
	3100 4000 3100 3900
Wire Wire Line
	3100 3800 3100 3750
Wire Wire Line
	3650 3750 3650 4000
$Comp
L Device:R RB2
U 1 1 5C54CAD8
P 3400 5400
AR Path="/5C54CAD8" Ref="RB2"  Part="1" 
AR Path="/5C06F581/5C54CAD8" Ref="R?"  Part="1" 
AR Path="/5C0574B7/5C54CAD8" Ref="R?"  Part="1" 
AR Path="/5C05A497/5C54CAD8" Ref="R?"  Part="1" 
F 0 "RB2" V 3607 5400 50  0000 C CNN
F 1 "10k|0|open" V 3516 5400 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal" V 3330 5400 50  0001 C CNN
F 3 "~" H 3400 5400 50  0001 C CNN
F 4 "Metallfilm" V 3400 5400 50  0001 C CNN "Notes"
	1    3400 5400
	0    -1   -1   0   
$EndComp
Wire Wire Line
	4000 5050 3800 5050
Wire Wire Line
	3800 5050 3800 5400
Connection ~ 3800 5400
$Comp
L Device:R RB3
U 1 1 5C54CAE4
P 3400 5600
AR Path="/5C54CAE4" Ref="RB3"  Part="1" 
AR Path="/5C06F581/5C54CAE4" Ref="R?"  Part="1" 
AR Path="/5C0574B7/5C54CAE4" Ref="R?"  Part="1" 
AR Path="/5C05A497/5C54CAE4" Ref="R?"  Part="1" 
F 0 "RB3" V 3300 5600 50  0000 C CNN
F 1 "10k|1k|10k" V 3200 5600 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal" V 3330 5600 50  0001 C CNN
F 3 "~" H 3400 5600 50  0001 C CNN
F 4 "Metallfilm" V 3400 5600 50  0001 C CNN "Notes"
	1    3400 5600
	0    -1   -1   0   
$EndComp
$Comp
L Device:R RB5
U 1 1 5C54CAEC
P 3650 6000
AR Path="/5C54CAEC" Ref="RB5"  Part="1" 
AR Path="/5C06F581/5C54CAEC" Ref="R?"  Part="1" 
AR Path="/5C0574B7/5C54CAEC" Ref="R?"  Part="1" 
AR Path="/5C05A497/5C54CAEC" Ref="R?"  Part="1" 
F 0 "RB5" V 3857 6000 50  0000 C CNN
F 1 "10k|open|open" V 3766 6000 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal" V 3580 6000 50  0001 C CNN
F 3 "~" H 3650 6000 50  0001 C CNN
F 4 "Metallfilm" V 3650 6000 50  0001 C CNN "Notes"
	1    3650 6000
	1    0    0    -1  
$EndComp
Wire Wire Line
	3550 5600 3650 5600
Connection ~ 3650 5600
$Comp
L Device:R RB4
U 1 1 5C54CAF8
P 3150 6000
AR Path="/5C54CAF8" Ref="RB4"  Part="1" 
AR Path="/5C06F581/5C54CAF8" Ref="R?"  Part="1" 
AR Path="/5C0574B7/5C54CAF8" Ref="R?"  Part="1" 
AR Path="/5C05A497/5C54CAF8" Ref="R?"  Part="1" 
F 0 "RB4" V 3400 5950 50  0000 C CNN
F 1 "10|0|open" V 3300 5900 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal" V 3080 6000 50  0001 C CNN
F 3 "~" H 3150 6000 50  0001 C CNN
F 4 "Metallfilm" V 3150 6000 50  0001 C CNN "Notes"
	1    3150 6000
	1    0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR0104
U 1 1 5C54CAFF
P 3150 6150
AR Path="/5C54CAFF" Ref="#PWR0104"  Part="1" 
AR Path="/5C06F581/5C54CAFF" Ref="#PWR?"  Part="1" 
AR Path="/5C0574B7/5C54CAFF" Ref="#PWR?"  Part="1" 
AR Path="/5C05A497/5C54CAFF" Ref="#PWR?"  Part="1" 
F 0 "#PWR0104" H 3150 5900 50  0001 C CNN
F 1 "GNDA" H 3155 5977 50  0000 C CNN
F 2 "" H 3150 6150 50  0001 C CNN
F 3 "" H 3150 6150 50  0001 C CNN
	1    3150 6150
	1    0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR0105
U 1 1 5C54CB05
P 3650 6150
AR Path="/5C54CB05" Ref="#PWR0105"  Part="1" 
AR Path="/5C06F581/5C54CB05" Ref="#PWR?"  Part="1" 
AR Path="/5C0574B7/5C54CB05" Ref="#PWR?"  Part="1" 
AR Path="/5C05A497/5C54CB05" Ref="#PWR?"  Part="1" 
F 0 "#PWR0105" H 3650 5900 50  0001 C CNN
F 1 "GNDA" H 3655 5977 50  0000 C CNN
F 2 "" H 3650 6150 50  0001 C CNN
F 3 "" H 3650 6150 50  0001 C CNN
	1    3650 6150
	1    0    0    -1  
$EndComp
$Comp
L Connector:Conn_01x02_Male JB1
U 1 1 5C54CB0B
P 2950 5650
AR Path="/5C54CB0B" Ref="JB1"  Part="1" 
AR Path="/5C06F581/5C54CB0B" Ref="J?"  Part="1" 
AR Path="/5C0574B7/5C54CB0B" Ref="J?"  Part="1" 
AR Path="/5C05A497/5C54CB0B" Ref="J?"  Part="1" 
F 0 "JB1" H 3000 5400 50  0000 C CNN
F 1 "Jumper" H 3000 5500 50  0000 C CNN
F 2 "Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm" H 2950 5650 50  0001 C CNN
F 3 "~" H 2950 5650 50  0001 C CNN
	1    2950 5650
	1    0    0    -1  
$EndComp
Wire Wire Line
	3150 5850 3150 5750
Wire Wire Line
	3150 5650 3150 5600
Wire Wire Line
	3650 5600 3650 5850
Wire Wire Line
	3800 5400 3850 5400
Wire Wire Line
	3650 5600 3850 5600
$Comp
L Device:R RB1
U 1 1 5C54CB19
P 4150 5050
AR Path="/5C54CB19" Ref="RB1"  Part="1" 
AR Path="/5C06F581/5C54CB19" Ref="R?"  Part="1" 
AR Path="/5C0574B7/5C54CB19" Ref="R?"  Part="1" 
AR Path="/5C05A497/5C54CB19" Ref="R?"  Part="1" 
F 0 "RB1" V 4357 5050 50  0000 C CNN
F 1 "10k|10k|0" V 4266 5050 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal" V 4080 5050 50  0001 C CNN
F 3 "~" H 4150 5050 50  0001 C CNN
F 4 "Metallfilm" V 4150 5050 50  0001 C CNN "Notes"
	1    4150 5050
	0    -1   -1   0   
$EndComp
Wire Wire Line
	4450 5500 4450 5050
Wire Wire Line
	4450 5050 4300 5050
Text Notes 2200 4200 0    50   ~ 0
Connect JA2 for \nunbalanced\ninput signal\nand on summing stage
Connection ~ 4450 3650
$Comp
L Device:Opamp_Dual_Generic U1
U 3 1 5C54CB24
P 1400 1400
AR Path="/5C54CB24" Ref="U1"  Part="3" 
AR Path="/5C06F581/5C54CB24" Ref="U?"  Part="1" 
AR Path="/5C0574B7/5C54CB24" Ref="U?"  Part="3" 
AR Path="/5C05A497/5C54CB24" Ref="U?"  Part="3" 
F 0 "U1" H 1400 1550 50  0000 L CNN
F 1 "LM4562" H 1400 1250 50  0000 L CNN
F 2 "Package_DIP:DIP-8_W7.62mm" H 1400 1400 50  0001 C CNN
F 3 "~" H 1400 1400 50  0001 C CNN
	3    1400 1400
	1    0    0    -1  
$EndComp
$Comp
L Device:C C1
U 1 1 5C54CB2B
P 1100 1250
AR Path="/5C54CB2B" Ref="C1"  Part="1" 
AR Path="/5C06F581/5C54CB2B" Ref="CU1+?"  Part="1" 
AR Path="/5C0574B7/5C54CB2B" Ref="CU1+?"  Part="1" 
AR Path="/5C05A497/5C54CB2B" Ref="CU1+?"  Part="1" 
F 0 "C1" H 750 1300 50  0000 L CNN
F 1 "100n" H 800 1200 50  0000 L CNN
F 2 "Capacitor_THT:C_Disc_D3.0mm_W1.6mm_P2.50mm" H 1138 1100 50  0001 C CNN
F 3 "~" H 1100 1250 50  0001 C CNN
	1    1100 1250
	1    0    0    -1  
$EndComp
Wire Wire Line
	1300 1750 1300 1700
Wire Wire Line
	1300 1100 1300 1050
$Comp
L power:GNDA #PWR0106
U 1 1 5C54CB34
P 900 1400
AR Path="/5C54CB34" Ref="#PWR0106"  Part="1" 
AR Path="/5C06F581/5C54CB34" Ref="#PWR?"  Part="1" 
AR Path="/5C0574B7/5C54CB34" Ref="#PWR?"  Part="1" 
AR Path="/5C05A497/5C54CB34" Ref="#PWR?"  Part="1" 
F 0 "#PWR0106" H 900 1150 50  0001 C CNN
F 1 "GNDA" H 905 1227 50  0000 C CNN
F 2 "" H 900 1400 50  0001 C CNN
F 3 "" H 900 1400 50  0001 C CNN
	1    900  1400
	1    0    0    -1  
$EndComp
$Comp
L Device:C C2
U 1 1 5C54CB3A
P 1100 1550
AR Path="/5C54CB3A" Ref="C2"  Part="1" 
AR Path="/5C06F581/5C54CB3A" Ref="CU1-?"  Part="1" 
AR Path="/5C0574B7/5C54CB3A" Ref="CU1-?"  Part="1" 
AR Path="/5C05A497/5C54CB3A" Ref="CU1-?"  Part="1" 
F 0 "C2" H 800 1400 50  0000 L CNN
F 1 "100n" H 850 1300 50  0000 L CNN
F 2 "Capacitor_THT:C_Disc_D3.0mm_W1.6mm_P2.50mm" H 1138 1400 50  0001 C CNN
F 3 "~" H 1100 1550 50  0001 C CNN
	1    1100 1550
	1    0    0    -1  
$EndComp
Wire Wire Line
	1100 1700 1300 1700
Wire Wire Line
	900  1400 1100 1400
Connection ~ 1100 1400
Wire Wire Line
	1100 1100 1300 1100
$Comp
L power:+15V #PWR0107
U 1 1 5C54CB45
P 1300 1050
AR Path="/5C54CB45" Ref="#PWR0107"  Part="1" 
AR Path="/5C06F581/5C54CB45" Ref="#PWR?"  Part="1" 
AR Path="/5C0574B7/5C54CB45" Ref="#PWR?"  Part="1" 
AR Path="/5C05A497/5C54CB45" Ref="#PWR?"  Part="1" 
F 0 "#PWR0107" H 1300 900 50  0001 C CNN
F 1 "+15V" H 1315 1223 50  0000 C CNN
F 2 "" H 1300 1050 50  0001 C CNN
F 3 "" H 1300 1050 50  0001 C CNN
	1    1300 1050
	1    0    0    -1  
$EndComp
$Comp
L power:-15V #PWR0108
U 1 1 5C54CB4B
P 1300 1750
AR Path="/5C54CB4B" Ref="#PWR0108"  Part="1" 
AR Path="/5C06F581/5C54CB4B" Ref="#PWR?"  Part="1" 
AR Path="/5C0574B7/5C54CB4B" Ref="#PWR?"  Part="1" 
AR Path="/5C05A497/5C54CB4B" Ref="#PWR?"  Part="1" 
F 0 "#PWR0108" H 1300 1850 50  0001 C CNN
F 1 "-15V" H 1315 1923 50  0000 C CNN
F 2 "" H 1300 1750 50  0001 C CNN
F 3 "" H 1300 1750 50  0001 C CNN
	1    1300 1750
	-1   0    0    1   
$EndComp
Text Notes 2200 6050 0    50   ~ 0
Connect JB1 for \nunbalanced\ninput signal\nand on summing stage
Connection ~ 4450 5500
Connection ~ 1300 1700
Connection ~ 1300 1100
Text Notes 3950 4350 0    50   ~ 0
For output stage configuration:\nRA3,RB3=Rlow for minimum offset error\ndue to input bias current.\nRlow = R1//R2//R3 ... (inputs)
Wire Wire Line
	3650 3750 3850 3750
$Comp
L Device:R RA6
U 1 1 5CA39C35
P 4900 3650
AR Path="/5CA39C35" Ref="RA6"  Part="1" 
AR Path="/5C06F581/5CA39C35" Ref="RA?"  Part="1" 
AR Path="/5C0574B7/5CA39C35" Ref="RA?"  Part="1" 
AR Path="/5C05A497/5CA39C35" Ref="RA?"  Part="1" 
F 0 "RA6" V 5107 3650 50  0000 C CNN
F 1 "0|0|220" V 5016 3650 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal" V 4830 3650 50  0001 C CNN
F 3 "~" H 4900 3650 50  0001 C CNN
F 4 "Metallfilm" V 4900 3650 50  0001 C CNN "Notes"
	1    4900 3650
	0    -1   -1   0   
$EndComp
$Comp
L Device:R RB6
U 1 1 5CA3D551
P 4900 5500
AR Path="/5CA3D551" Ref="RB6"  Part="1" 
AR Path="/5C06F581/5CA3D551" Ref="RA?"  Part="1" 
AR Path="/5C0574B7/5CA3D551" Ref="RA?"  Part="1" 
AR Path="/5C05A497/5CA3D551" Ref="RA?"  Part="1" 
F 0 "RB6" V 5107 5500 50  0000 C CNN
F 1 "0|0|220" V 5016 5500 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal" V 4830 5500 50  0001 C CNN
F 3 "~" H 4900 5500 50  0001 C CNN
F 4 "Metallfilm" V 4900 5500 50  0001 C CNN "Notes"
	1    4900 5500
	0    -1   -1   0   
$EndComp
Text Notes 4300 2750 0    50   ~ 0
Lowpass (optional):\nf_c =    1 /\n     (2 * Pi * R * C)
$Comp
L Device:C ClpA1
U 1 1 5CA42A5F
P 4150 2800
F 0 "ClpA1" V 3898 2800 50  0000 C CNN
F 1 "330p" V 3989 2800 50  0000 C CNN
F 2 "Capacitor_THT:C_Rect_L7.0mm_W3.5mm_P5.00mm" H 4188 2650 50  0001 C CNN
F 3 "~" H 4150 2800 50  0001 C CNN
	1    4150 2800
	0    1    1    0   
$EndComp
Wire Wire Line
	4300 2800 4450 2800
Wire Wire Line
	4450 2800 4450 3200
Connection ~ 4450 3200
Wire Wire Line
	4000 2800 3800 2800
Wire Wire Line
	3800 2800 3800 3200
Connection ~ 3800 3200
$Comp
L Device:C ClpB1
U 1 1 5CA46ED4
P 4150 4700
F 0 "ClpB1" V 3898 4700 50  0000 C CNN
F 1 "330p" V 3989 4700 50  0000 C CNN
F 2 "Capacitor_THT:C_Rect_L7.0mm_W3.5mm_P5.00mm" H 4188 4550 50  0001 C CNN
F 3 "~" H 4150 4700 50  0001 C CNN
	1    4150 4700
	0    1    1    0   
$EndComp
Wire Wire Line
	4300 4700 4450 4700
Wire Wire Line
	4450 4700 4450 5050
Connection ~ 4450 5050
Wire Wire Line
	4000 4700 3800 4700
Wire Wire Line
	3800 4700 3800 5050
Connection ~ 3800 5050
$Comp
L power:GNDA #PWR0114
U 1 1 5CA73175
P 3200 2700
F 0 "#PWR0114" H 3200 2450 50  0001 C CNN
F 1 "GNDA" V 3200 2500 50  0000 C CNN
F 2 "" H 3200 2700 50  0001 C CNN
F 3 "" H 3200 2700 50  0001 C CNN
	1    3200 2700
	0    -1   -1   0   
$EndComp
Text GLabel 2150 3550 0    50   Input ~ 0
inA-
Text GLabel 2150 3750 0    50   Input ~ 0
inA+
Text GLabel 5250 3650 2    50   Input ~ 0
outA
Text GLabel 3250 2300 2    50   Input ~ 0
outA
Text GLabel 5250 5500 2    50   Input ~ 0
outB
Wire Wire Line
	5050 3650 5250 3650
Wire Wire Line
	5250 5500 5050 5500
Text GLabel 3250 2500 2    50   Input ~ 0
outB
Text GLabel 2100 2100 0    50   Input ~ 0
inA-
Text GLabel 2100 2300 0    50   Input ~ 0
inA+
Wire Wire Line
	3250 3550 2150 3550
Wire Wire Line
	2150 3750 3100 3750
Connection ~ 3100 3750
Text GLabel 2000 5400 0    50   Input ~ 0
inB-
Text GLabel 2000 5600 0    50   Input ~ 0
inB+
Wire Wire Line
	2000 5600 3150 5600
Connection ~ 3150 5600
Wire Wire Line
	3150 5600 3250 5600
Text GLabel 2100 2700 0    50   Input ~ 0
inB+
Text GLabel 2100 2500 0    50   Input ~ 0
inB-
Text Notes 900  2800 0    50   ~ 0
For output stage\ninA+ and inB+ are GND\n
Text Notes 750  3150 0    50   ~ 0
If multiple component values given separated by "|"\nfirst value for input buffer,\nsecond value for group summing configuration,\nthird value for output buffer
Wire Wire Line
	4450 3650 4750 3650
Wire Wire Line
	4450 5500 4750 5500
Wire Wire Line
	3550 5400 3800 5400
Wire Wire Line
	2000 5400 3250 5400
Wire Wire Line
	2100 2700 2550 2700
Wire Wire Line
	2100 2500 2550 2500
$Comp
L power:GNDA #PWR0115
U 1 1 5CBC6397
P 2450 2600
F 0 "#PWR0115" H 2450 2350 50  0001 C CNN
F 1 "GNDA" V 2450 2400 50  0000 C CNN
F 2 "" H 2450 2600 50  0001 C CNN
F 3 "" H 2450 2600 50  0001 C CNN
	1    2450 2600
	0    1    1    0   
$EndComp
Wire Wire Line
	2550 2600 2450 2600
$Comp
L power:GNDA #PWR0116
U 1 1 5CBC9970
P 2450 2400
F 0 "#PWR0116" H 2450 2150 50  0001 C CNN
F 1 "GNDA" V 2450 2200 50  0000 C CNN
F 2 "" H 2450 2400 50  0001 C CNN
F 3 "" H 2450 2400 50  0001 C CNN
	1    2450 2400
	0    1    1    0   
$EndComp
$Comp
L power:GNDA #PWR0117
U 1 1 5CBC99F3
P 2450 2200
F 0 "#PWR0117" H 2450 1950 50  0001 C CNN
F 1 "GNDA" V 2450 2000 50  0000 C CNN
F 2 "" H 2450 2200 50  0001 C CNN
F 3 "" H 2450 2200 50  0001 C CNN
	1    2450 2200
	0    1    1    0   
$EndComp
Wire Wire Line
	2450 2200 2550 2200
Wire Wire Line
	2450 2400 2550 2400
Wire Wire Line
	3050 2300 3200 2300
Wire Wire Line
	3050 2500 3200 2500
Wire Wire Line
	3050 2700 3200 2700
$Comp
L power:GNDA #PWR0118
U 1 1 5CBD32AF
P 3200 2400
F 0 "#PWR0118" H 3200 2150 50  0001 C CNN
F 1 "GNDA" V 3200 2200 50  0000 C CNN
F 2 "" H 3200 2400 50  0001 C CNN
F 3 "" H 3200 2400 50  0001 C CNN
	1    3200 2400
	0    -1   -1   0   
$EndComp
Wire Wire Line
	3050 2400 3200 2400
Wire Wire Line
	3050 2600 3200 2600
$Comp
L power:GNDA #PWR0119
U 1 1 5CBD9455
P 3200 2100
F 0 "#PWR0119" H 3200 1850 50  0001 C CNN
F 1 "GNDA" V 3200 1900 50  0000 C CNN
F 2 "" H 3200 2100 50  0001 C CNN
F 3 "" H 3200 2100 50  0001 C CNN
	1    3200 2100
	0    -1   -1   0   
$EndComp
Wire Wire Line
	3200 2600 3200 2500
Connection ~ 3200 2500
Wire Wire Line
	3200 2500 3250 2500
Wire Wire Line
	3050 2200 3200 2200
Wire Wire Line
	3200 2200 3200 2300
Connection ~ 3200 2300
Wire Wire Line
	3200 2300 3250 2300
Wire Wire Line
	3200 2100 3050 2100
$Comp
L power:GNDA #PWR0120
U 1 1 5CBE29E1
P 3200 1900
F 0 "#PWR0120" H 3200 1650 50  0001 C CNN
F 1 "GNDA" V 3200 1700 50  0000 C CNN
F 2 "" H 3200 1900 50  0001 C CNN
F 3 "" H 3200 1900 50  0001 C CNN
	1    3200 1900
	0    -1   -1   0   
$EndComp
Wire Wire Line
	3200 1900 3100 1900
$Comp
L power:GNDA #PWR0121
U 1 1 5CBE8A25
P 2450 1900
F 0 "#PWR0121" H 2450 1650 50  0001 C CNN
F 1 "GNDA" V 2450 1700 50  0000 C CNN
F 2 "" H 2450 1900 50  0001 C CNN
F 3 "" H 2450 1900 50  0001 C CNN
	1    2450 1900
	0    1    1    0   
$EndComp
Wire Wire Line
	2550 1900 2500 1900
Wire Wire Line
	2550 2000 2500 2000
Wire Wire Line
	2500 2000 2500 1900
Connection ~ 2500 1900
Wire Wire Line
	2500 1900 2450 1900
Wire Wire Line
	3050 2000 3100 2000
Wire Wire Line
	3100 2000 3100 1900
Connection ~ 3100 1900
Wire Wire Line
	3100 1900 3050 1900
Wire Wire Line
	2100 2300 2550 2300
Wire Wire Line
	2550 2100 2100 2100
Text Notes 2150 3550 0    50   ~ 0
smaller pad\non baseplate
Text Notes 2000 5400 0    50   ~ 0
smaller pad\non baseplate
$EndSCHEMATC