EESchema Schematic File Version 4
LIBS:mt-32-cache
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 8 12
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L mt-32:4570 U26
U 1 1 5B409044
P 4400 1800
F 0 "U26" H 4400 2000 50  0000 L CNN
F 1 "4570" H 4400 1600 50  0000 L CNN
F 2 "Package_SO:SOIC-8_3.9x4.9mm_P1.27mm" H 4350 1900 50  0001 C CNN
F 3 "" H 4450 2000 50  0001 C CNN
	1    4400 1800
	1    0    0    -1  
$EndComp
$Comp
L mt-32:4570 U25
U 1 1 5B409089
P 6400 1700
F 0 "U25" H 6400 1900 50  0000 L CNN
F 1 "4570" H 6400 1500 50  0000 L CNN
F 2 "Package_SO:SOIC-8_3.9x4.9mm_P1.27mm" H 6350 1800 50  0001 C CNN
F 3 "" H 6450 1900 50  0001 C CNN
	1    6400 1700
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C48
U 1 1 5B40922C
P 4450 2600
F 0 "C48" V 4600 2600 50  0000 C CNN
F 1 "6800p" V 4300 2600 50  0000 C CNN
F 2 "Capacitor_SMD:C_1206_3216Metric" H 4488 2450 50  0001 C CNN
F 3 "" H 4450 2600 50  0001 C CNN
	1    4450 2600
	0    -1   -1   0   
$EndComp
$Comp
L Device:C_Small C45
U 1 1 5B4092C4
P 5300 1550
F 0 "C45" H 5325 1650 50  0000 L CNN
F 1 "15000p" H 5325 1450 50  0000 L CNN
F 2 "mt-32:C_Film2_L6.0mm_W3mm_P5.08mm" H 5338 1400 50  0001 C CNN
F 3 "" H 5300 1550 50  0001 C CNN
	1    5300 1550
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C47
U 1 1 5B4092EB
P 6000 2450
F 0 "C47" H 6025 2550 50  0000 L CNN
F 1 "100p" H 6025 2350 50  0000 L CNN
F 2 "Capacitor_SMD:C_1206_3216Metric" H 6038 2300 50  0001 C CNN
F 3 "" H 6000 2450 50  0001 C CNN
	1    6000 2450
	1    0    0    -1  
$EndComp
$Comp
L Device:R R16
U 1 1 5B40943A
P 5050 1800
F 0 "R16" V 5130 1800 50  0000 C CNN
F 1 "10K" V 5050 1800 50  0000 C CNN
F 2 "Resistor_SMD:R_1206_3216Metric" V 4980 1800 50  0001 C CNN
F 3 "" H 5050 1800 50  0001 C CNN
	1    5050 1800
	0    1    1    0   
$EndComp
$Comp
L Device:R R19
U 1 1 5B40951A
P 4450 2900
F 0 "R19" V 4530 2900 50  0000 C CNN
F 1 "2.2K" V 4450 2900 50  0000 C CNN
F 2 "Resistor_SMD:R_1206_3216Metric" V 4380 2900 50  0001 C CNN
F 3 "" H 4450 2900 50  0001 C CNN
	1    4450 2900
	0    1    1    0   
$EndComp
$Comp
L Device:R R17
U 1 1 5B409559
P 5550 1800
F 0 "R17" V 5630 1800 50  0000 C CNN
F 1 "10K" V 5550 1800 50  0000 C CNN
F 2 "Resistor_SMD:R_1206_3216Metric" V 5480 1800 50  0001 C CNN
F 3 "" H 5550 1800 50  0001 C CNN
	1    5550 1800
	0    1    1    0   
$EndComp
$Comp
L Device:R R18
U 1 1 5B4095A0
P 5300 2250
F 0 "R18" V 5380 2250 50  0000 C CNN
F 1 "10K" V 5300 2250 50  0000 C CNN
F 2 "Resistor_SMD:R_1206_3216Metric" V 5230 2250 50  0001 C CNN
F 3 "" H 5300 2250 50  0001 C CNN
	1    5300 2250
	1    0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR0147
U 1 1 5B40A022
P 3800 2200
F 0 "#PWR0147" H 3800 1950 50  0001 C CNN
F 1 "GNDA" H 3800 2050 50  0000 C CNN
F 2 "" H 3800 2200 50  0001 C CNN
F 3 "" H 3800 2200 50  0001 C CNN
	1    3800 2200
	1    0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR0145
U 1 1 5B40AA36
P 5800 2100
F 0 "#PWR0145" H 5800 1850 50  0001 C CNN
F 1 "GNDA" H 5800 1950 50  0000 C CNN
F 2 "" H 5800 2100 50  0001 C CNN
F 3 "" H 5800 2100 50  0001 C CNN
	1    5800 2100
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C46
U 1 1 5B4076CA
P 3450 1900
F 0 "C46" V 3600 1900 50  0000 C CNN
F 1 "10/25V NP" V 3300 1900 50  0000 C CNN
F 2 "Capacitor_SMD:C_1206_3216Metric" H 3488 1750 50  0001 C CNN
F 3 "" H 3450 1900 50  0001 C CNN
	1    3450 1900
	0    -1   -1   0   
$EndComp
$Comp
L Device:C_Small C52
U 1 1 5B4093F7
P 4450 5600
F 0 "C52" V 4600 5600 50  0000 C CNN
F 1 "6800p" V 4300 5600 50  0000 C CNN
F 2 "Capacitor_SMD:C_1206_3216Metric" H 4488 5450 50  0001 C CNN
F 3 "" H 4450 5600 50  0001 C CNN
	1    4450 5600
	0    -1   -1   0   
$EndComp
$Comp
L Device:C_Small C49
U 1 1 5B4093FD
P 5300 4550
F 0 "C49" H 5325 4650 50  0000 L CNN
F 1 "15000p" H 5325 4450 50  0000 L CNN
F 2 "mt-32:C_Film2_L6.0mm_W3mm_P5.08mm" H 5338 4400 50  0001 C CNN
F 3 "" H 5300 4550 50  0001 C CNN
	1    5300 4550
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C51
U 1 1 5B409403
P 6000 5450
F 0 "C51" H 6025 5550 50  0000 L CNN
F 1 "100p" H 6025 5350 50  0000 L CNN
F 2 "Capacitor_SMD:C_1206_3216Metric" H 6038 5300 50  0001 C CNN
F 3 "" H 6000 5450 50  0001 C CNN
	1    6000 5450
	1    0    0    -1  
$EndComp
$Comp
L Device:R R20
U 1 1 5B409409
P 5050 4800
F 0 "R20" V 5130 4800 50  0000 C CNN
F 1 "10K" V 5050 4800 50  0000 C CNN
F 2 "Resistor_SMD:R_1206_3216Metric" V 4980 4800 50  0001 C CNN
F 3 "" H 5050 4800 50  0001 C CNN
	1    5050 4800
	0    1    1    0   
$EndComp
$Comp
L Device:R R23
U 1 1 5B40940F
P 4450 5900
F 0 "R23" V 4530 5900 50  0000 C CNN
F 1 "2.2K" V 4450 5900 50  0000 C CNN
F 2 "Resistor_SMD:R_1206_3216Metric" V 4380 5900 50  0001 C CNN
F 3 "" H 4450 5900 50  0001 C CNN
	1    4450 5900
	0    1    1    0   
$EndComp
$Comp
L Device:R R21
U 1 1 5B409415
P 5550 4800
F 0 "R21" V 5630 4800 50  0000 C CNN
F 1 "10K" V 5550 4800 50  0000 C CNN
F 2 "Resistor_SMD:R_1206_3216Metric" V 5480 4800 50  0001 C CNN
F 3 "" H 5550 4800 50  0001 C CNN
	1    5550 4800
	0    1    1    0   
$EndComp
$Comp
L Device:R R22
U 1 1 5B40941B
P 5300 5250
F 0 "R22" V 5380 5250 50  0000 C CNN
F 1 "10K" V 5300 5250 50  0000 C CNN
F 2 "Resistor_SMD:R_1206_3216Metric" V 5230 5250 50  0001 C CNN
F 3 "" H 5300 5250 50  0001 C CNN
	1    5300 5250
	1    0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR0153
U 1 1 5B40942D
P 3800 5200
F 0 "#PWR0153" H 3800 4950 50  0001 C CNN
F 1 "GNDA" H 3800 5050 50  0000 C CNN
F 2 "" H 3800 5200 50  0001 C CNN
F 3 "" H 3800 5200 50  0001 C CNN
	1    3800 5200
	1    0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR0151
U 1 1 5B40943F
P 5800 5100
F 0 "#PWR0151" H 5800 4850 50  0001 C CNN
F 1 "GNDA" H 5800 4950 50  0000 C CNN
F 2 "" H 5800 5100 50  0001 C CNN
F 3 "" H 5800 5100 50  0001 C CNN
	1    5800 5100
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C50
U 1 1 5B40946E
P 3450 4900
F 0 "C50" V 3600 4900 50  0000 C CNN
F 1 "10/25V NP" V 3300 4900 50  0000 C CNN
F 2 "Capacitor_SMD:C_1206_3216Metric" H 3488 4750 50  0001 C CNN
F 3 "" H 3450 4900 50  0001 C CNN
	1    3450 4900
	0    -1   -1   0   
$EndComp
$Comp
L mt-32:4570 U26
U 2 1 5B409667
P 4400 4800
F 0 "U26" H 4400 5000 50  0000 L CNN
F 1 "4570" H 4400 4600 50  0000 L CNN
F 2 "Package_SO:SOIC-8_3.9x4.9mm_P1.27mm" H 4350 4900 50  0001 C CNN
F 3 "" H 4450 5000 50  0001 C CNN
	2    4400 4800
	1    0    0    -1  
$EndComp
$Comp
L mt-32:4570 U25
U 2 1 5B4096F4
P 6400 4700
F 0 "U25" H 6400 4900 50  0000 L CNN
F 1 "4570" H 6400 4500 50  0000 L CNN
F 2 "Package_SO:SOIC-8_3.9x4.9mm_P1.27mm" H 6350 4800 50  0001 C CNN
F 3 "" H 6450 4900 50  0001 C CNN
	2    6400 4700
	1    0    0    -1  
$EndComp
Text GLabel 3200 4900 0    60   Input ~ 0
L-DAC
Text GLabel 3200 1900 0    60   Input ~ 0
R-DAC
Text GLabel 6900 4700 2    60   Input ~ 0
L_AMP
Text GLabel 6900 1700 2    60   Input ~ 0
R_AMP
$Comp
L Device:C_Small C43
U 1 1 5B726A4C
P 2100 1250
F 0 "C43" H 2125 1350 50  0000 L CNN
F 1 "0.1" H 2125 1150 50  0000 L CNN
F 2 "Capacitor_SMD:C_1206_3216Metric" H 2138 1100 50  0001 C CNN
F 3 "" H 2100 1250 50  0001 C CNN
	1    2100 1250
	1    0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR0143
U 1 1 5B726A53
P 2100 1500
F 0 "#PWR0143" H 2100 1250 50  0001 C CNN
F 1 "GNDA" H 2100 1350 50  0000 C CNN
F 2 "" H 2100 1500 50  0001 C CNN
F 3 "" H 2100 1500 50  0001 C CNN
	1    2100 1500
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C44
U 1 1 5B726A61
P 2450 1250
F 0 "C44" H 2475 1350 50  0000 L CNN
F 1 "0.1" H 2475 1150 50  0000 L CNN
F 2 "Capacitor_SMD:C_1206_3216Metric" H 2488 1100 50  0001 C CNN
F 3 "" H 2450 1250 50  0001 C CNN
	1    2450 1250
	1    0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR0144
U 1 1 5B726A68
P 2450 1500
F 0 "#PWR0144" H 2450 1250 50  0001 C CNN
F 1 "GNDA" H 2450 1350 50  0000 C CNN
F 2 "" H 2450 1500 50  0001 C CNN
F 3 "" H 2450 1500 50  0001 C CNN
	1    2450 1500
	1    0    0    -1  
$EndComp
$Comp
L power:+6V #PWR0139
U 1 1 5C7A1082
P 2100 1000
F 0 "#PWR0139" H 2100 850 50  0001 C CNN
F 1 "+6V" H 2100 1140 50  0000 C CNN
F 2 "" H 2100 1000 50  0001 C CNN
F 3 "" H 2100 1000 50  0001 C CNN
	1    2100 1000
	1    0    0    -1  
$EndComp
$Comp
L power:+6V #PWR0142
U 1 1 5C7A11AE
P 4300 1400
F 0 "#PWR0142" H 4300 1250 50  0001 C CNN
F 1 "+6V" H 4300 1540 50  0000 C CNN
F 2 "" H 4300 1400 50  0001 C CNN
F 3 "" H 4300 1400 50  0001 C CNN
	1    4300 1400
	1    0    0    -1  
$EndComp
$Comp
L power:+6V #PWR0141
U 1 1 5C7A122B
P 6300 1300
F 0 "#PWR0141" H 6300 1150 50  0001 C CNN
F 1 "+6V" H 6300 1440 50  0000 C CNN
F 2 "" H 6300 1300 50  0001 C CNN
F 3 "" H 6300 1300 50  0001 C CNN
	1    6300 1300
	1    0    0    -1  
$EndComp
$Comp
L power:+6V #PWR0150
U 1 1 5C7A12EE
P 4300 4400
F 0 "#PWR0150" H 4300 4250 50  0001 C CNN
F 1 "+6V" H 4300 4540 50  0000 C CNN
F 2 "" H 4300 4400 50  0001 C CNN
F 3 "" H 4300 4400 50  0001 C CNN
	1    4300 4400
	1    0    0    -1  
$EndComp
$Comp
L power:+6V #PWR0149
U 1 1 5C7A136B
P 6300 4300
F 0 "#PWR0149" H 6300 4150 50  0001 C CNN
F 1 "+6V" H 6300 4440 50  0000 C CNN
F 2 "" H 6300 4300 50  0001 C CNN
F 3 "" H 6300 4300 50  0001 C CNN
	1    6300 4300
	1    0    0    -1  
$EndComp
$Comp
L power:-6V #PWR0140
U 1 1 5C7A1678
P 2450 1000
F 0 "#PWR0140" H 2450 1100 50  0001 C CNN
F 1 "-6V" H 2450 1150 50  0000 C CNN
F 2 "" H 2450 1000 50  0001 C CNN
F 3 "" H 2450 1000 50  0001 C CNN
	1    2450 1000
	1    0    0    -1  
$EndComp
$Comp
L power:-6V #PWR0148
U 1 1 5C7A16F5
P 4300 2200
F 0 "#PWR0148" H 4300 2300 50  0001 C CNN
F 1 "-6V" H 4300 2350 50  0000 C CNN
F 2 "" H 4300 2200 50  0001 C CNN
F 3 "" H 4300 2200 50  0001 C CNN
	1    4300 2200
	-1   0    0    1   
$EndComp
$Comp
L power:-6V #PWR0146
U 1 1 5C7A174F
P 6300 2100
F 0 "#PWR0146" H 6300 2200 50  0001 C CNN
F 1 "-6V" H 6300 2250 50  0000 C CNN
F 2 "" H 6300 2100 50  0001 C CNN
F 3 "" H 6300 2100 50  0001 C CNN
	1    6300 2100
	-1   0    0    1   
$EndComp
$Comp
L power:-6V #PWR0154
U 1 1 5C7A1858
P 4300 5200
F 0 "#PWR0154" H 4300 5300 50  0001 C CNN
F 1 "-6V" H 4300 5350 50  0000 C CNN
F 2 "" H 4300 5200 50  0001 C CNN
F 3 "" H 4300 5200 50  0001 C CNN
	1    4300 5200
	-1   0    0    1   
$EndComp
$Comp
L power:-6V #PWR0152
U 1 1 5C7A18D5
P 6300 5100
F 0 "#PWR0152" H 6300 5200 50  0001 C CNN
F 1 "-6V" H 6300 5250 50  0000 C CNN
F 2 "" H 6300 5100 50  0001 C CNN
F 3 "" H 6300 5100 50  0001 C CNN
	1    6300 5100
	-1   0    0    1   
$EndComp
Wire Wire Line
	3550 1900 4000 1900
Wire Wire Line
	4000 1900 4000 2600
Wire Wire Line
	4000 2600 4350 2600
Wire Wire Line
	4000 2900 4300 2900
Connection ~ 4000 2600
Wire Wire Line
	4700 1800 4800 1800
Wire Wire Line
	4800 1800 4800 2600
Wire Wire Line
	4800 2600 4550 2600
Wire Wire Line
	4800 2900 4600 2900
Connection ~ 4800 2600
Connection ~ 4000 1900
Wire Wire Line
	4300 2100 4300 2200
Wire Wire Line
	4300 1400 4300 1500
Wire Wire Line
	3800 2200 3800 1700
Wire Wire Line
	3800 1700 4100 1700
Connection ~ 4800 1800
Wire Wire Line
	5200 1800 5300 1800
Wire Wire Line
	6300 1300 6300 1400
Wire Wire Line
	6300 2000 6300 2100
Wire Wire Line
	5800 1300 5800 1600
Wire Wire Line
	5800 1600 6100 1600
Wire Wire Line
	5300 1650 5300 1800
Wire Wire Line
	5300 1450 5300 1300
Wire Wire Line
	5300 1300 5800 1300
Connection ~ 5800 1600
Wire Wire Line
	5700 1800 6000 1800
Connection ~ 5300 1800
Wire Wire Line
	5300 2400 5300 2700
Wire Wire Line
	5300 2700 6000 2700
Wire Wire Line
	6800 2700 6800 1700
Wire Wire Line
	6700 1700 6800 1700
Wire Wire Line
	6000 2550 6000 2700
Connection ~ 6000 2700
Wire Wire Line
	6000 2350 6000 1800
Connection ~ 6000 1800
Connection ~ 6800 1700
Wire Wire Line
	3550 4900 4000 4900
Wire Wire Line
	4000 4900 4000 5600
Wire Wire Line
	4000 5600 4350 5600
Wire Wire Line
	4000 5900 4300 5900
Connection ~ 4000 5600
Wire Wire Line
	4700 4800 4800 4800
Wire Wire Line
	4800 4800 4800 5600
Wire Wire Line
	4800 5600 4550 5600
Wire Wire Line
	4800 5900 4600 5900
Connection ~ 4800 5600
Connection ~ 4000 4900
Wire Wire Line
	4300 5100 4300 5200
Wire Wire Line
	4300 4400 4300 4500
Wire Wire Line
	3800 5200 3800 4700
Wire Wire Line
	3800 4700 4100 4700
Connection ~ 4800 4800
Wire Wire Line
	5200 4800 5300 4800
Wire Wire Line
	6300 4300 6300 4400
Wire Wire Line
	6300 5000 6300 5100
Wire Wire Line
	5800 4300 5800 4600
Wire Wire Line
	5800 4600 6100 4600
Wire Wire Line
	5300 4650 5300 4800
Wire Wire Line
	5300 4450 5300 4300
Wire Wire Line
	5300 4300 5800 4300
Connection ~ 5800 4600
Wire Wire Line
	5700 4800 6000 4800
Connection ~ 5300 4800
Wire Wire Line
	5300 5400 5300 5700
Wire Wire Line
	5300 5700 6000 5700
Wire Wire Line
	6800 5700 6800 4700
Wire Wire Line
	6700 4700 6800 4700
Wire Wire Line
	6000 5550 6000 5700
Connection ~ 6000 5700
Connection ~ 6000 4800
Connection ~ 6800 4700
Wire Wire Line
	3200 1900 3350 1900
Wire Wire Line
	3200 4900 3350 4900
Wire Wire Line
	6000 5350 6000 4800
Wire Wire Line
	2100 1150 2100 1000
Wire Wire Line
	2100 1350 2100 1500
Wire Wire Line
	2450 1150 2450 1000
Wire Wire Line
	2450 1350 2450 1500
Wire Wire Line
	4000 2600 4000 2900
Wire Wire Line
	4800 2600 4800 2900
Wire Wire Line
	4000 1900 4100 1900
Wire Wire Line
	4800 1800 4900 1800
Wire Wire Line
	5800 1600 5800 2100
Wire Wire Line
	5300 1800 5400 1800
Wire Wire Line
	5300 1800 5300 2100
Wire Wire Line
	6000 2700 6800 2700
Wire Wire Line
	6000 1800 6100 1800
Wire Wire Line
	6800 1700 6900 1700
Wire Wire Line
	4000 5600 4000 5900
Wire Wire Line
	4800 5600 4800 5900
Wire Wire Line
	4000 4900 4100 4900
Wire Wire Line
	4800 4800 4900 4800
Wire Wire Line
	5800 4600 5800 5100
Wire Wire Line
	5300 4800 5400 4800
Wire Wire Line
	5300 4800 5300 5100
Wire Wire Line
	6000 5700 6800 5700
Wire Wire Line
	6000 4800 6100 4800
Wire Wire Line
	6800 4700 6900 4700
$EndSCHEMATC