CODEC.sch

EESchema Schematic File Version 4
LIBS:ESP32-Eurorack-Audio-cache
EELAYER 29 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 7 8
Title "ESP32 Eurorack Audio Module"
Date "2019-06-13"
Rev "D"
Comp "(c) Robert Manzke 2019"
Comment1 "https://creativecommons.org/licenses/by-nc-sa/4.0/"
Comment2 "Licensed under CC BY-NC-SA 4.0"
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L cirrus:WM8731 U701
U 1 1 5B6EA41F
P 2950 1150
F 0 "U701" H 3350 1337 60  0000 C CNN
F 1 "WM8731" H 3350 1231 60  0000 C CNN
F 2 "Package_SO:SSOP-28_5.3x10.2mm_P0.65mm" H 2950 950 60  0001 C CNN
F 3 "" H 2950 950 60  0001 C CNN
	1    2950 1150
	1    0    0    -1  
$EndComp
Wire Wire Line
	2750 1450 2700 1450
$Comp
L power:+3.3VA #PWR0704
U 1 1 5B6EA4E2
P 4550 1000
F 0 "#PWR0704" H 4550 850 50  0001 C CNN
F 1 "+3.3VA" H 4550 1150 50  0000 C CNN
F 2 "" H 4550 1000 50  0001 C CNN
F 3 "" H 4550 1000 50  0001 C CNN
	1    4550 1000
	1    0    0    -1  
$EndComp
Wire Wire Line
	3950 2950 4100 2950
Wire Wire Line
	4100 2950 4100 2850
Wire Wire Line
	4100 2850 3950 2850
$Comp
L power:GND #PWR0709
U 1 1 5B6EA732
P 2550 3200
F 0 "#PWR0709" H 2550 2950 50  0001 C CNN
F 1 "GND" H 2555 3027 50  0000 C CNN
F 2 "" H 2550 3200 50  0001 C CNN
F 3 "" H 2550 3200 50  0001 C CNN
	1    2550 3200
	1    0    0    -1  
$EndComp
Wire Wire Line
	2750 2950 2550 2950
Wire Wire Line
	2550 2950 2550 3200
NoConn ~ 2750 2800
$Comp
L Device:C C703
U 1 1 5B6EA93B
P 1000 2750
F 0 "C703" H 1115 2796 50  0000 L CNN
F 1 "18p" H 1115 2705 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 1038 2600 50  0001 C CNN
F 3 "~" H 1000 2750 50  0001 C CNN
	1    1000 2750
	1    0    0    -1  
$EndComp
$Comp
L Device:C C704
U 1 1 5B6EA98C
P 1500 2750
F 0 "C704" H 1615 2796 50  0000 L CNN
F 1 "18p" H 1615 2705 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 1538 2600 50  0001 C CNN
F 3 "~" H 1500 2750 50  0001 C CNN
	1    1500 2750
	1    0    0    -1  
$EndComp
$Comp
L Device:Crystal Y701
U 1 1 5B6EAA02
P 1250 2500
F 0 "Y701" H 1250 2768 50  0000 C CNN
F 1 "11.289600MHz" H 1350 2700 50  0000 C CNN
F 2 "Crystal:Crystal_SMD_HC49-SD" H 1250 2500 50  0001 C CNN
F 3 "~" H 1250 2500 50  0001 C CNN
	1    1250 2500
	1    0    0    -1  
$EndComp
Wire Wire Line
	1400 2500 1500 2500
Wire Wire Line
	1500 2500 1500 2600
Wire Wire Line
	2550 2950 1500 2950
Wire Wire Line
	1000 2950 1000 2900
Connection ~ 2550 2950
Wire Wire Line
	1500 2900 1500 2950
Connection ~ 1500 2950
Wire Wire Line
	1500 2950 1000 2950
Wire Wire Line
	1000 2600 1000 2500
Wire Wire Line
	1000 2500 1100 2500
Wire Wire Line
	2750 2700 1800 2700
Wire Wire Line
	1800 2700 1800 2500
Wire Wire Line
	1800 2500 1500 2500
Connection ~ 1500 2500
Wire Wire Line
	2750 2600 1900 2600
Wire Wire Line
	1900 2600 1900 2100
Wire Wire Line
	1900 2100 1000 2100
Wire Wire Line
	1000 2100 1000 2500
Connection ~ 1000 2500
Text HLabel 2500 2150 0    50   Input ~ 0
WM_SCLK
Wire Wire Line
	2750 2150 2500 2150
Text HLabel 2500 2250 0    50   Input ~ 0
WM_MOSI
Wire Wire Line
	2750 2250 2500 2250
Text HLabel 2500 2350 0    50   Input ~ 0
WM_CS
Wire Wire Line
	2750 2350 2500 2350
Wire Wire Line
	2750 1600 2500 1600
Wire Wire Line
	2750 1700 2500 1700
Wire Wire Line
	2750 1800 2650 1800
Wire Wire Line
	2750 1900 2500 1900
Text HLabel 2500 1600 0    50   Input ~ 0
BCLK
Text HLabel 2500 1700 0    50   Input ~ 0
DACDAT
Text HLabel 2500 1800 0    50   Input ~ 0
LRCLK
Wire Wire Line
	2750 2000 2650 2000
Wire Wire Line
	2650 2000 2650 1800
Connection ~ 2650 1800
Wire Wire Line
	2650 1800 2500 1800
Text HLabel 2500 1900 0    50   Output ~ 0
ADCDAT
$Comp
L Device:C C710
U 1 1 5B6EF4A7
P 6600 4600
F 0 "C710" H 6715 4646 50  0000 L CNN
F 1 "10u" H 6715 4555 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 6638 4450 50  0001 C CNN
F 3 "~" H 6600 4600 50  0001 C CNN
	1    6600 4600
	1    0    0    -1  
$EndComp
$Comp
L Device:C C712
U 1 1 5B6EF53F
P 7000 4600
F 0 "C712" H 7115 4646 50  0000 L CNN
F 1 "100n" H 7115 4555 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 7038 4450 50  0001 C CNN
F 3 "~" H 7000 4600 50  0001 C CNN
	1    7000 4600
	1    0    0    -1  
$EndComp
$Comp
L power:+3.3VA #PWR0713
U 1 1 5B6EF600
P 6600 4300
F 0 "#PWR0713" H 6600 4150 50  0001 C CNN
F 1 "+3.3VA" H 6615 4473 50  0000 C CNN
F 2 "" H 6600 4300 50  0001 C CNN
F 3 "" H 6600 4300 50  0001 C CNN
	1    6600 4300
	1    0    0    -1  
$EndComp
Wire Wire Line
	6600 4300 6600 4350
Connection ~ 6600 4350
Wire Wire Line
	6600 4350 6600 4450
Wire Wire Line
	6600 4750 6600 4850
Connection ~ 6600 4850
Wire Wire Line
	6600 4850 6600 4900
Wire Wire Line
	7000 4750 7000 4850
Wire Wire Line
	7000 4850 6600 4850
Wire Wire Line
	7000 4450 7000 4350
Wire Wire Line
	7000 4350 6600 4350
$Comp
L Device:C C718
U 1 1 5B6F6C40
P 6600 5750
F 0 "C718" H 6715 5796 50  0000 L CNN
F 1 "10u" H 6715 5705 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 6638 5600 50  0001 C CNN
F 3 "~" H 6600 5750 50  0001 C CNN
	1    6600 5750
	1    0    0    -1  
$EndComp
$Comp
L Device:C C719
U 1 1 5B6F6C47
P 7000 5750
F 0 "C719" H 7115 5796 50  0000 L CNN
F 1 "10u" H 7115 5705 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 7038 5600 50  0001 C CNN
F 3 "~" H 7000 5750 50  0001 C CNN
	1    7000 5750
	1    0    0    -1  
$EndComp
$Comp
L Device:C C720
U 1 1 5B6F6C4E
P 7400 5750
F 0 "C720" H 7515 5796 50  0000 L CNN
F 1 "100n" H 7515 5705 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 7438 5600 50  0001 C CNN
F 3 "~" H 7400 5750 50  0001 C CNN
	1    7400 5750
	1    0    0    -1  
$EndComp
$Comp
L Device:C C721
U 1 1 5B6F6C55
P 7800 5750
F 0 "C721" H 7915 5796 50  0000 L CNN
F 1 "100n" H 7915 5705 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 7838 5600 50  0001 C CNN
F 3 "~" H 7800 5750 50  0001 C CNN
	1    7800 5750
	1    0    0    -1  
$EndComp
Wire Wire Line
	6600 5450 6600 5500
Wire Wire Line
	7800 5600 7800 5500
Wire Wire Line
	7800 5500 7400 5500
Connection ~ 6600 5500
Wire Wire Line
	6600 5500 6600 5600
Wire Wire Line
	6600 5900 6600 6000
Wire Wire Line
	7800 5900 7800 6000
Wire Wire Line
	7800 6000 7400 6000
Connection ~ 6600 6000
Wire Wire Line
	6600 6000 6600 6050
Wire Wire Line
	7000 5900 7000 6000
Connection ~ 7000 6000
Wire Wire Line
	7000 6000 6600 6000
Wire Wire Line
	7400 5900 7400 6000
Connection ~ 7400 6000
Wire Wire Line
	7400 6000 7000 6000
Wire Wire Line
	7000 5600 7000 5500
Connection ~ 7000 5500
Wire Wire Line
	7000 5500 6600 5500
Wire Wire Line
	7400 5600 7400 5500
Connection ~ 7400 5500
Wire Wire Line
	7400 5500 7000 5500
$Comp
L power:GND #PWR0725
U 1 1 5B6F862C
P 6600 6050
F 0 "#PWR0725" H 6600 5800 50  0001 C CNN
F 1 "GND" H 6605 5877 50  0000 C CNN
F 2 "" H 6600 6050 50  0001 C CNN
F 3 "" H 6600 6050 50  0001 C CNN
	1    6600 6050
	1    0    0    -1  
$EndComp
Wire Wire Line
	2750 2450 2700 2450
Wire Wire Line
	2700 2450 2700 1450
Connection ~ 2700 1450
Wire Wire Line
	2700 1450 2550 1450
$Comp
L Device:C C705
U 1 1 5B7014AF
P 4850 2800
F 0 "C705" H 4965 2846 50  0000 L CNN
F 1 "10u" H 4965 2755 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 4888 2650 50  0001 C CNN
F 3 "~" H 4850 2800 50  0001 C CNN
	1    4850 2800
	1    0    0    -1  
$EndComp
Wire Wire Line
	4100 2950 4350 2950
Wire Wire Line
	4350 2950 4350 3100
Connection ~ 4100 2950
Wire Wire Line
	3950 2600 4850 2600
Wire Wire Line
	4850 2600 4850 2650
Wire Wire Line
	4850 2950 4850 3100
Wire Wire Line
	4850 3100 4350 3100
Connection ~ 4350 3100
Wire Wire Line
	4350 3100 4350 3200
$Comp
L Device:C C706
U 1 1 5B70DED4
P 5250 2800
F 0 "C706" H 5365 2846 50  0000 L CNN
F 1 "100n" H 5365 2755 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 5288 2650 50  0001 C CNN
F 3 "~" H 5250 2800 50  0001 C CNN
	1    5250 2800
	1    0    0    -1  
$EndComp
Wire Wire Line
	4850 2600 5250 2600
Wire Wire Line
	5250 2600 5250 2650
Connection ~ 4850 2600
Wire Wire Line
	5250 2950 5250 3100
Wire Wire Line
	5250 3100 4850 3100
Connection ~ 4850 3100
$Comp
L Amplifier_Operational:TL074 U702
U 1 1 5B714A6C
P 8450 1500
F 0 "U702" H 8500 1300 50  0000 C CNN
F 1 "TL074" H 8400 1500 50  0000 C CNN
F 2 "Package_SO:TSSOP-14_4.4x5mm_P0.65mm" H 8400 1600 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/tl071.pdf" H 8500 1700 50  0001 C CNN
	1    8450 1500
	1    0    0    1   
$EndComp
Wire Wire Line
	3950 1700 4300 1700
Wire Wire Line
	3950 1800 4300 1800
Wire Wire Line
	3950 1900 4300 1900
Wire Wire Line
	3950 2050 4300 2050
Wire Wire Line
	3950 2150 4300 2150
Wire Wire Line
	3950 2300 4300 2300
Wire Wire Line
	3950 2400 4300 2400
Text Label 4300 1600 2    50   ~ 0
LOUT
Text Label 4300 1700 2    50   ~ 0
ROUT
Text Label 4300 1800 2    50   ~ 0
LHPOUT
Text Label 4300 1900 2    50   ~ 0
RHPOUT
Text Label 4300 2050 2    50   ~ 0
LIN
Text Label 4300 2150 2    50   ~ 0
RIN
Text Label 4300 2400 2    50   ~ 0
MICBIAS
Text Label 4300 2300 2    50   ~ 0
MICIN
Text Label 5250 2600 2    50   ~ 0
VMID
$Comp
L Device:R R702
U 1 1 5B72072D
P 7500 1400
F 0 "R702" V 7293 1400 50  0000 C CNN
F 1 "22k" V 7384 1400 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 7430 1400 50  0001 C CNN
F 3 "~" H 7500 1400 50  0001 C CNN
	1    7500 1400
	0    1    1    0   
$EndComp
$Comp
L Device:R R701
U 1 1 5B72080B
P 8000 950
F 0 "R701" V 7793 950 50  0000 C CNN
F 1 "3k3" V 7884 950 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 7930 950 50  0001 C CNN
F 3 "~" H 8000 950 50  0001 C CNN
	1    8000 950 
	0    1    1    0   
$EndComp
Wire Wire Line
	7650 1400 7750 1400
Wire Wire Line
	7850 950  7750 950 
Wire Wire Line
	7750 950  7750 1400
Connection ~ 7750 1400
Wire Wire Line
	7750 1400 8150 1400
$Comp
L Device:R R703
U 1 1 5B725655
P 9350 1500
F 0 "R703" V 9143 1500 50  0000 C CNN
F 1 "5k6" V 9234 1500 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 9280 1500 50  0001 C CNN
F 3 "~" H 9350 1500 50  0001 C CNN
	1    9350 1500
	0    1    1    0   
$EndComp
$Comp
L Device:R R704
U 1 1 5B7256D0
P 9650 1800
F 0 "R704" H 9580 1754 50  0000 R CNN
F 1 "5k6" H 9580 1845 50  0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 9580 1800 50  0001 C CNN
F 3 "~" H 9650 1800 50  0001 C CNN
	1    9650 1800
	-1   0    0    1   
$EndComp
Wire Wire Line
	9500 1500 9650 1500
Wire Wire Line
	9650 1500 9650 1650
$Comp
L power:GND #PWR0707
U 1 1 5B728083
P 9650 2100
F 0 "#PWR0707" H 9650 1850 50  0001 C CNN
F 1 "GND" H 9655 1927 50  0000 C CNN
F 2 "" H 9650 2100 50  0001 C CNN
F 3 "" H 9650 2100 50  0001 C CNN
	1    9650 2100
	1    0    0    -1  
$EndComp
Wire Wire Line
	9650 1950 9650 2050
$Comp
L Device:C C702
U 1 1 5B72AA7C
P 10000 1800
F 0 "C702" H 10115 1846 50  0000 L CNN
F 1 "220p" H 10115 1755 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 10038 1650 50  0001 C CNN
F 3 "~" H 10000 1800 50  0001 C CNN
	1    10000 1800
	1    0    0    -1  
$EndComp
$Comp
L Device:C C701
U 1 1 5B72AB34
P 10350 1500
F 0 "C701" V 10098 1500 50  0000 C CNN
F 1 "10u" V 10189 1500 50  0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 10388 1350 50  0001 C CNN
F 3 "~" H 10350 1500 50  0001 C CNN
	1    10350 1500
	0    1    1    0   
$EndComp
Wire Wire Line
	9650 1500 10000 1500
Connection ~ 9650 1500
Wire Wire Line
	10000 1950 10000 2050
Wire Wire Line
	10000 2050 9650 2050
Connection ~ 9650 2050
Wire Wire Line
	9650 2050 9650 2100
Wire Wire Line
	10000 1650 10000 1500
Connection ~ 10000 1500
Wire Wire Line
	10000 1500 10200 1500
Wire Wire Line
	8750 1500 8950 1500
$Comp
L Device:R_POT_Dual_Separate RV701
U 1 1 5B735CE3
P 8500 950
F 0 "RV701" V 8400 950 50  0000 C CNN
F 1 "Level" V 8295 950 50  0000 C CNN
F 2 "pots:Alpha_9mm_stereo" H 8500 950 50  0001 C CNN
F 3 "~" H 8500 950 50  0001 C CNN
	1    8500 950 
	0    -1   -1   0   
$EndComp
Wire Wire Line
	8150 950  8350 950 
Wire Wire Line
	8650 950  8950 950 
Wire Wire Line
	8950 950  8950 1500
Connection ~ 8950 1500
Wire Wire Line
	8950 1500 9200 1500
Wire Wire Line
	8500 800  8500 650 
Wire Wire Line
	8500 650  8950 650 
Wire Wire Line
	8950 650  8950 950 
Connection ~ 8950 950 
$Comp
L power:GND #PWR0705
U 1 1 5B73F214
P 8000 1700
F 0 "#PWR0705" H 8000 1450 50  0001 C CNN
F 1 "GND" H 8005 1527 50  0000 C CNN
F 2 "" H 8000 1700 50  0001 C CNN
F 3 "" H 8000 1700 50  0001 C CNN
	1    8000 1700
	1    0    0    -1  
$EndComp
Wire Wire Line
	8150 1600 8000 1600
Wire Wire Line
	8000 1600 8000 1700
Wire Wire Line
	10500 1500 10750 1500
Text Label 10750 1500 2    50   ~ 0
RIN
$Comp
L Device:R R706
U 1 1 5B745E68
P 7500 2850
F 0 "R706" V 7293 2850 50  0000 C CNN
F 1 "22k" V 7384 2850 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 7430 2850 50  0001 C CNN
F 3 "~" H 7500 2850 50  0001 C CNN
	1    7500 2850
	0    1    1    0   
$EndComp
$Comp
L Device:R R705
U 1 1 5B745E6E
P 8000 2400
F 0 "R705" V 7793 2400 50  0000 C CNN
F 1 "3k3" V 7884 2400 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 7930 2400 50  0001 C CNN
F 3 "~" H 8000 2400 50  0001 C CNN
	1    8000 2400
	0    1    1    0   
$EndComp
Wire Wire Line
	7650 2850 7750 2850
Wire Wire Line
	7850 2400 7750 2400
Wire Wire Line
	7750 2400 7750 2850
Connection ~ 7750 2850
Wire Wire Line
	7750 2850 8150 2850
$Comp
L Device:R R707
U 1 1 5B745E79
P 9350 2950
F 0 "R707" V 9143 2950 50  0000 C CNN
F 1 "5k6" V 9234 2950 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 9280 2950 50  0001 C CNN
F 3 "~" H 9350 2950 50  0001 C CNN
	1    9350 2950
	0    1    1    0   
$EndComp
$Comp
L Device:R R708
U 1 1 5B745E7F
P 9650 3250
F 0 "R708" H 9580 3204 50  0000 R CNN
F 1 "5k6" H 9580 3295 50  0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 9580 3250 50  0001 C CNN
F 3 "~" H 9650 3250 50  0001 C CNN
	1    9650 3250
	-1   0    0    1   
$EndComp
Wire Wire Line
	9500 2950 9650 2950
Wire Wire Line
	9650 2950 9650 3100
$Comp
L power:GND #PWR0712
U 1 1 5B745E87
P 9650 3550
F 0 "#PWR0712" H 9650 3300 50  0001 C CNN
F 1 "GND" H 9655 3377 50  0000 C CNN
F 2 "" H 9650 3550 50  0001 C CNN
F 3 "" H 9650 3550 50  0001 C CNN
	1    9650 3550
	1    0    0    -1  
$EndComp
Wire Wire Line
	9650 3400 9650 3500
$Comp
L Device:C C708
U 1 1 5B745E8E
P 10000 3250
F 0 "C708" H 10115 3296 50  0000 L CNN
F 1 "220p" H 10115 3205 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 10038 3100 50  0001 C CNN
F 3 "~" H 10000 3250 50  0001 C CNN
	1    10000 3250
	1    0    0    -1  
$EndComp
$Comp
L Device:C C707
U 1 1 5B745E94
P 10350 2950
F 0 "C707" V 10098 2950 50  0000 C CNN
F 1 "10u" V 10189 2950 50  0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 10388 2800 50  0001 C CNN
F 3 "~" H 10350 2950 50  0001 C CNN
	1    10350 2950
	0    1    1    0   
$EndComp
Wire Wire Line
	9650 2950 10000 2950
Connection ~ 9650 2950
Wire Wire Line
	10000 3400 10000 3500
Wire Wire Line
	10000 3500 9650 3500
Connection ~ 9650 3500
Wire Wire Line
	9650 3500 9650 3550
Wire Wire Line
	10000 3100 10000 2950
Connection ~ 10000 2950
Wire Wire Line
	10000 2950 10200 2950
Wire Wire Line
	8750 2950 8950 2950
$Comp
L Device:R_POT_Dual_Separate RV701
U 2 1 5B745EA4
P 8500 2400
F 0 "RV701" V 8400 2400 50  0000 C CNN
F 1 "Level" V 8295 2400 50  0000 C CNN
F 2 "pots:Alpha_9mm_stereo" H 8500 2400 50  0001 C CNN
F 3 "~" H 8500 2400 50  0001 C CNN
	2    8500 2400
	0    -1   -1   0   
$EndComp
Wire Wire Line
	8150 2400 8350 2400
Wire Wire Line
	8650 2400 8950 2400
Wire Wire Line
	8950 2400 8950 2950
Connection ~ 8950 2950
Wire Wire Line
	8950 2950 9200 2950
Wire Wire Line
	8500 2250 8500 2100
Wire Wire Line
	8500 2100 8950 2100
Wire Wire Line
	8950 2100 8950 2400
Connection ~ 8950 2400
$Comp
L power:GND #PWR0708
U 1 1 5B745EB3
P 8000 3150
F 0 "#PWR0708" H 8000 2900 50  0001 C CNN
F 1 "GND" H 8005 2977 50  0000 C CNN
F 2 "" H 8000 3150 50  0001 C CNN
F 3 "" H 8000 3150 50  0001 C CNN
	1    8000 3150
	1    0    0    -1  
$EndComp
Wire Wire Line
	8150 3050 8000 3050
Wire Wire Line
	8000 3050 8000 3150
Wire Wire Line
	10500 2950 10750 2950
Text Label 10750 2950 2    50   ~ 0
LIN
$Comp
L Amplifier_Operational:TL074 U702
U 2 1 5B74AA05
P 8450 2950
F 0 "U702" H 8500 2800 50  0000 C CNN
F 1 "TL074" H 8400 2950 50  0000 C CNN
F 2 "Package_SO:TSSOP-14_4.4x5mm_P0.65mm" H 8400 3050 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/tl071.pdf" H 8500 3150 50  0001 C CNN
	2    8450 2950
	1    0    0    1   
$EndComp
$Comp
L jack_2p:JACK_2P J?
U 1 1 5B74FDCA
P 6650 1500
AR Path="/5B6B8BDA/5B74FDCA" Ref="J?"  Part="1" 
AR Path="/5B69D59C/5B74FDCA" Ref="J702"  Part="1" 
F 0 "J702" H 6172 1484 50  0000 R CNN
F 1 "RIN" H 6172 1575 50  0000 R CNN
F 2 "connectors:THONKICONN" H 6650 1500 50  0001 C CNN
F 3 "" H 6650 1500 50  0000 C CNN
	1    6650 1500
	1    0    0    1   
$EndComp
Wire Wire Line
	7350 1400 7100 1400
$Comp
L jack_2p:JACK_2P J?
U 1 1 5B7681E2
P 6650 2950
AR Path="/5B6B8BDA/5B7681E2" Ref="J?"  Part="1" 
AR Path="/5B69D59C/5B7681E2" Ref="J703"  Part="1" 
F 0 "J703" H 6172 2934 50  0000 R CNN
F 1 "LIN/MONO" H 6172 3025 50  0000 R CNN
F 2 "connectors:THONKICONN" H 6650 2950 50  0001 C CNN
F 3 "" H 6650 2950 50  0000 C CNN
	1    6650 2950
	1    0    0    1   
$EndComp
$Comp
L power:GND #PWR0706
U 1 1 5B76D30D
P 7150 1750
F 0 "#PWR0706" H 7150 1500 50  0001 C CNN
F 1 "GND" H 7155 1577 50  0000 C CNN
F 2 "" H 7150 1750 50  0001 C CNN
F 3 "" H 7150 1750 50  0001 C CNN
	1    7150 1750
	1    0    0    -1  
$EndComp
Wire Wire Line
	7100 1650 7150 1650
Wire Wire Line
	7150 1650 7150 1750
$Comp
L power:GND #PWR0711
U 1 1 5B772668
P 7150 3200
F 0 "#PWR0711" H 7150 2950 50  0001 C CNN
F 1 "GND" H 7155 3027 50  0000 C CNN
F 2 "" H 7150 3200 50  0001 C CNN
F 3 "" H 7150 3200 50  0001 C CNN
	1    7150 3200
	1    0    0    -1  
$EndComp
Wire Wire Line
	7100 3100 7150 3100
Wire Wire Line
	7150 3100 7150 3200
$Comp
L Amplifier_Operational:TL074 U702
U 5 1 5B77D51C
P 9200 5200
F 0 "U702" H 9158 5246 50  0000 L CNN
F 1 "TL074" H 9158 5155 50  0000 L CNN
F 2 "Package_SO:TSSOP-14_4.4x5mm_P0.65mm" H 9150 5300 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/tl071.pdf" H 9250 5400 50  0001 C CNN
	5    9200 5200
	1    0    0    -1  
$EndComp
$Comp
L Device:C C715
U 1 1 5B77D6D6
P 9550 5150
F 0 "C715" H 9665 5196 50  0000 L CNN
F 1 "100n" H 9665 5105 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 9588 5000 50  0001 C CNN
F 3 "~" H 9550 5150 50  0001 C CNN
	1    9550 5150
	1    0    0    -1  
$EndComp
$Comp
L Device:C C716
U 1 1 5B77D73E
P 9950 5150
F 0 "C716" H 10065 5196 50  0000 L CNN
F 1 "100n" H 10065 5105 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 9988 5000 50  0001 C CNN
F 3 "~" H 9950 5150 50  0001 C CNN
	1    9950 5150
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0721
U 1 1 5B77D7A2
P 9550 5400
F 0 "#PWR0721" H 9550 5150 50  0001 C CNN
F 1 "GND" H 9555 5227 50  0000 C CNN
F 2 "" H 9550 5400 50  0001 C CNN
F 3 "" H 9550 5400 50  0001 C CNN
	1    9550 5400
	1    0    0    -1  
$EndComp
Wire Wire Line
	9550 5300 9550 5400
$Comp
L power:GND #PWR0716
U 1 1 5B782E89
P 9950 4850
F 0 "#PWR0716" H 9950 4600 50  0001 C CNN
F 1 "GND" H 9955 4677 50  0000 C CNN
F 2 "" H 9950 4850 50  0001 C CNN
F 3 "" H 9950 4850 50  0001 C CNN
	1    9950 4850
	-1   0    0    1   
$EndComp
Wire Wire Line
	9950 4850 9950 5000
$Comp
L power:+12V #PWR0715
U 1 1 5B78870D
P 9550 4850
F 0 "#PWR0715" H 9550 4700 50  0001 C CNN
F 1 "+12V" H 9565 5023 50  0000 C CNN
F 2 "" H 9550 4850 50  0001 C CNN
F 3 "" H 9550 4850 50  0001 C CNN
	1    9550 4850
	1    0    0    -1  
$EndComp
Wire Wire Line
	9550 4850 9550 5000
$Comp
L power:-12V #PWR0722
U 1 1 5B78E082
P 9950 5400
F 0 "#PWR0722" H 9950 5500 50  0001 C CNN
F 1 "-12V" H 9965 5573 50  0000 C CNN
F 2 "" H 9950 5400 50  0001 C CNN
F 3 "" H 9950 5400 50  0001 C CNN
	1    9950 5400
	-1   0    0    1   
$EndComp
Wire Wire Line
	9950 5300 9950 5400
$Comp
L power:+12V #PWR0714
U 1 1 5B793B42
P 9100 4800
F 0 "#PWR0714" H 9100 4650 50  0001 C CNN
F 1 "+12V" H 9115 4973 50  0000 C CNN
F 2 "" H 9100 4800 50  0001 C CNN
F 3 "" H 9100 4800 50  0001 C CNN
	1    9100 4800
	1    0    0    -1  
$EndComp
Wire Wire Line
	9100 4800 9100 4900
$Comp
L power:-12V #PWR0724
U 1 1 5B7996F1
P 9100 5600
F 0 "#PWR0724" H 9100 5700 50  0001 C CNN
F 1 "-12V" H 9115 5773 50  0000 C CNN
F 2 "" H 9100 5600 50  0001 C CNN
F 3 "" H 9100 5600 50  0001 C CNN
	1    9100 5600
	-1   0    0    1   
$EndComp
Wire Wire Line
	9100 5500 9100 5600
$Comp
L Amplifier_Operational:TL074 U702
U 3 1 5B79F567
P 2950 5000
F 0 "U702" H 2950 4633 50  0000 C CNN
F 1 "TL074" H 2950 4724 50  0000 C CNN
F 2 "Package_SO:TSSOP-14_4.4x5mm_P0.65mm" H 2900 5100 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/tl071.pdf" H 3000 5200 50  0001 C CNN
	3    2950 5000
	1    0    0    1   
$EndComp
$Comp
L Device:C C714
U 1 1 5B7A5542
P 1500 4900
F 0 "C714" V 1248 4900 50  0000 C CNN
F 1 "10u" V 1339 4900 50  0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 1538 4750 50  0001 C CNN
F 3 "~" H 1500 4900 50  0001 C CNN
	1    1500 4900
	0    1    1    0   
$EndComp
$Comp
L Device:R R712
U 1 1 5B7A563E
P 1800 5150
F 0 "R712" H 1870 5196 50  0000 L CNN
F 1 "39k" H 1870 5105 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 1730 5150 50  0001 C CNN
F 3 "~" H 1800 5150 50  0001 C CNN
	1    1800 5150
	1    0    0    -1  
$EndComp
$Comp
L Device:R R710
U 1 1 5B7A57B4
P 2250 4900
F 0 "R710" V 2043 4900 50  0000 C CNN
F 1 "5k6" V 2134 4900 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 2180 4900 50  0001 C CNN
F 3 "~" H 2250 4900 50  0001 C CNN
	1    2250 4900
	0    1    1    0   
$EndComp
Wire Wire Line
	1650 4900 1800 4900
Wire Wire Line
	1800 5000 1800 4900
Connection ~ 1800 4900
Wire Wire Line
	1800 4900 2100 4900
$Comp
L power:GND #PWR0720
U 1 1 5B7B14D4
P 1800 5400
F 0 "#PWR0720" H 1800 5150 50  0001 C CNN
F 1 "GND" H 1805 5227 50  0000 C CNN
F 2 "" H 1800 5400 50  0001 C CNN
F 3 "" H 1800 5400 50  0001 C CNN
	1    1800 5400
	1    0    0    -1  
$EndComp
Wire Wire Line
	1800 5300 1800 5400
$Comp
L power:GND #PWR0710
U 1 1 5B7BD3B1
P 4350 3200
F 0 "#PWR0710" H 4350 2950 50  0001 C CNN
F 1 "GND" H 4355 3027 50  0000 C CNN
F 2 "" H 4350 3200 50  0001 C CNN
F 3 "" H 4350 3200 50  0001 C CNN
	1    4350 3200
	1    0    0    -1  
$EndComp
$Comp
L Device:R R709
U 1 1 5B7BD4D4
P 2900 4400
F 0 "R709" V 2693 4400 50  0000 C CNN
F 1 "39k" V 2784 4400 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 2830 4400 50  0001 C CNN
F 3 "~" H 2900 4400 50  0001 C CNN
	1    2900 4400
	0    1    1    0   
$EndComp
$Comp
L Device:C C709
U 1 1 5B7BD84B
P 2900 4050
F 0 "C709" H 3015 4096 50  0000 L CNN
F 1 "18p" H 3015 4005 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 2938 3900 50  0001 C CNN
F 3 "~" H 2900 4050 50  0001 C CNN
	1    2900 4050
	0    -1   -1   0   
$EndComp
$Comp
L Device:R R711
U 1 1 5B7BDA5C
P 3700 5000
F 0 "R711" V 3493 5000 50  0000 C CNN
F 1 "1k" V 3584 5000 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 3630 5000 50  0001 C CNN
F 3 "~" H 3700 5000 50  0001 C CNN
	1    3700 5000
	0    1    1    0   
$EndComp
Wire Wire Line
	3250 5000 3400 5000
$Comp
L power:GND #PWR0718
U 1 1 5B7C37B0
P 2550 5250
F 0 "#PWR0718" H 2550 5000 50  0001 C CNN
F 1 "GND" H 2555 5077 50  0000 C CNN
F 2 "" H 2550 5250 50  0001 C CNN
F 3 "" H 2550 5250 50  0001 C CNN
	1    2550 5250
	1    0    0    -1  
$EndComp
Wire Wire Line
	2650 5100 2550 5100
Wire Wire Line
	2550 5100 2550 5250
Wire Wire Line
	2400 4900 2500 4900
Wire Wire Line
	2750 4050 2500 4050
Wire Wire Line
	2500 4050 2500 4400
Connection ~ 2500 4900
Wire Wire Line
	2500 4900 2650 4900
Wire Wire Line
	2750 4400 2500 4400
Connection ~ 2500 4400
Wire Wire Line
	2500 4400 2500 4900
Wire Wire Line
	3050 4050 3400 4050
Wire Wire Line
	3400 4050 3400 4400
Connection ~ 3400 5000
Wire Wire Line
	3400 5000 3550 5000
Wire Wire Line
	3050 4400 3400 4400
Connection ~ 3400 4400
Wire Wire Line
	3400 4400 3400 5000
Wire Wire Line
	1350 4900 1000 4900
Text Label 1000 4900 0    50   ~ 0
ROUT
$Comp
L Device:C C722
U 1 1 5B7EF76B
P 1500 6450
F 0 "C722" V 1248 6450 50  0000 C CNN
F 1 "10u" V 1339 6450 50  0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 1538 6300 50  0001 C CNN
F 3 "~" H 1500 6450 50  0001 C CNN
	1    1500 6450
	0    1    1    0   
$EndComp
$Comp
L Device:R R716
U 1 1 5B7EF771
P 1800 6700
F 0 "R716" H 1870 6746 50  0000 L CNN
F 1 "39k" H 1870 6655 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 1730 6700 50  0001 C CNN
F 3 "~" H 1800 6700 50  0001 C CNN
	1    1800 6700
	1    0    0    -1  
$EndComp
$Comp
L Device:R R714
U 1 1 5B7EF777
P 2250 6450
F 0 "R714" V 2043 6450 50  0000 C CNN
F 1 "5k6" V 2134 6450 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 2180 6450 50  0001 C CNN
F 3 "~" H 2250 6450 50  0001 C CNN
	1    2250 6450
	0    1    1    0   
$EndComp
Wire Wire Line
	1650 6450 1800 6450
Wire Wire Line
	1800 6550 1800 6450
Connection ~ 1800 6450
Wire Wire Line
	1800 6450 2100 6450
$Comp
L power:GND #PWR0728
U 1 1 5B7EF781
P 1800 6950
F 0 "#PWR0728" H 1800 6700 50  0001 C CNN
F 1 "GND" H 1805 6777 50  0000 C CNN
F 2 "" H 1800 6950 50  0001 C CNN
F 3 "" H 1800 6950 50  0001 C CNN
	1    1800 6950
	1    0    0    -1  
$EndComp
Wire Wire Line
	1800 6850 1800 6950
$Comp
L Device:R R713
U 1 1 5B7EF788
P 2900 5950
F 0 "R713" V 2693 5950 50  0000 C CNN
F 1 "39k" V 2784 5950 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 2830 5950 50  0001 C CNN
F 3 "~" H 2900 5950 50  0001 C CNN
	1    2900 5950
	0    1    1    0   
$EndComp
$Comp
L Device:C C717
U 1 1 5B7EF78E
P 2900 5600
F 0 "C717" H 3015 5646 50  0000 L CNN
F 1 "18p" H 3015 5555 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 2938 5450 50  0001 C CNN
F 3 "~" H 2900 5600 50  0001 C CNN
	1    2900 5600
	0    -1   -1   0   
$EndComp
$Comp
L Device:R R715
U 1 1 5B7EF794
P 3700 6550
F 0 "R715" V 3493 6550 50  0000 C CNN
F 1 "1k" V 3584 6550 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 3630 6550 50  0001 C CNN
F 3 "~" H 3700 6550 50  0001 C CNN
	1    3700 6550
	0    1    1    0   
$EndComp
Wire Wire Line
	3250 6550 3400 6550
$Comp
L power:GND #PWR0726
U 1 1 5B7EF79B
P 2550 6800
F 0 "#PWR0726" H 2550 6550 50  0001 C CNN
F 1 "GND" H 2555 6627 50  0000 C CNN
F 2 "" H 2550 6800 50  0001 C CNN
F 3 "" H 2550 6800 50  0001 C CNN
	1    2550 6800
	1    0    0    -1  
$EndComp
Wire Wire Line
	2650 6650 2550 6650
Wire Wire Line
	2550 6650 2550 6800
Wire Wire Line
	2400 6450 2500 6450
Wire Wire Line
	2750 5600 2500 5600
Wire Wire Line
	2500 5600 2500 5950
Connection ~ 2500 6450
Wire Wire Line
	2500 6450 2650 6450
Wire Wire Line
	2750 5950 2500 5950
Connection ~ 2500 5950
Wire Wire Line
	2500 5950 2500 6450
Wire Wire Line
	3050 5600 3400 5600
Wire Wire Line
	3400 5600 3400 5950
Connection ~ 3400 6550
Wire Wire Line
	3400 6550 3550 6550
Wire Wire Line
	3050 5950 3400 5950
Connection ~ 3400 5950
Wire Wire Line
	3400 5950 3400 6550
Wire Wire Line
	1350 6450 1000 6450
Text Label 1000 6450 0    50   ~ 0
LOUT
$Comp
L Amplifier_Operational:TL074 U702
U 4 1 5B7F7912
P 2950 6550
F 0 "U702" H 2950 6183 50  0000 C CNN
F 1 "TL074" H 2950 6274 50  0000 C CNN
F 2 "Package_SO:TSSOP-14_4.4x5mm_P0.65mm" H 2900 6650 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/tl071.pdf" H 3000 6750 50  0001 C CNN
	4    2950 6550
	1    0    0    1   
$EndComp
$Comp
L jack_2p:JACK_2P J?
U 1 1 5B7FFB1A
P 4650 5100
AR Path="/5B6B8BDA/5B7FFB1A" Ref="J?"  Part="1" 
AR Path="/5B69D59C/5B7FFB1A" Ref="J704"  Part="1" 
F 0 "J704" H 4172 5084 50  0000 R CNN
F 1 "ROUT" H 4172 5175 50  0000 R CNN
F 2 "connectors:THONKICONN" H 4650 5100 50  0001 C CNN
F 3 "" H 4650 5100 50  0000 C CNN
	1    4650 5100
	-1   0    0    1   
$EndComp
Wire Wire Line
	3850 5000 4200 5000
$Comp
L jack_2p:JACK_2P J?
U 1 1 5B8100D4
P 4650 6650
AR Path="/5B6B8BDA/5B8100D4" Ref="J?"  Part="1" 
AR Path="/5B69D59C/5B8100D4" Ref="J705"  Part="1" 
F 0 "J705" H 4172 6634 50  0000 R CNN
F 1 "LOUT" H 4172 6725 50  0000 R CNN
F 2 "connectors:THONKICONN" H 4650 6650 50  0001 C CNN
F 3 "" H 4650 6650 50  0000 C CNN
	1    4650 6650
	-1   0    0    1   
$EndComp
Wire Wire Line
	3850 6550 4200 6550
NoConn ~ 4200 5100
NoConn ~ 4200 6650
$Comp
L power:GND #PWR0719
U 1 1 5B828C8E
P 4100 5350
F 0 "#PWR0719" H 4100 5100 50  0001 C CNN
F 1 "GND" H 4105 5177 50  0000 C CNN
F 2 "" H 4100 5350 50  0001 C CNN
F 3 "" H 4100 5350 50  0001 C CNN
	1    4100 5350
	1    0    0    -1  
$EndComp
Wire Wire Line
	4200 5250 4100 5250
Wire Wire Line
	4100 5250 4100 5350
$Comp
L power:GND #PWR0727
U 1 1 5B8312ED
P 4100 6900
F 0 "#PWR0727" H 4100 6650 50  0001 C CNN
F 1 "GND" H 4105 6727 50  0000 C CNN
F 2 "" H 4100 6900 50  0001 C CNN
F 3 "" H 4100 6900 50  0001 C CNN
	1    4100 6900
	1    0    0    -1  
$EndComp
Wire Wire Line
	4200 6800 4100 6800
Wire Wire Line
	4100 6800 4100 6900
$Comp
L power:GND #PWR0701
U 1 1 5B84D291
P 800 850
F 0 "#PWR0701" H 800 600 50  0001 C CNN
F 1 "GND" V 805 722 50  0000 R CNN
F 2 "" H 800 850 50  0001 C CNN
F 3 "" H 800 850 50  0001 C CNN
	1    800  850 
	0    1    1    0   
$EndComp
Wire Wire Line
	1150 850  800  850 
Wire Wire Line
	1150 950  850  950 
Wire Wire Line
	1150 1050 850  1050
Wire Wire Line
	1650 950  1950 950 
Wire Wire Line
	1650 1050 1950 1050
Text Label 850  950  0    50   ~ 0
MICIN
Text Label 850  1050 0    50   ~ 0
MICBIAS
Text Label 1950 950  2    50   ~ 0
LHPOUT
Text Label 1950 1050 2    50   ~ 0
RHPOUT
Wire Wire Line
	7100 2950 7150 2950
Wire Wire Line
	7150 2950 7150 3100
Connection ~ 7150 3100
$Comp
L power:GND #PWR0717
U 1 1 5B907654
P 6600 4900
F 0 "#PWR0717" H 6600 4650 50  0001 C CNN
F 1 "GND" H 6605 4727 50  0000 C CNN
F 2 "" H 6600 4900 50  0001 C CNN
F 3 "" H 6600 4900 50  0001 C CNN
	1    6600 4900
	1    0    0    -1  
$EndComp
Wire Wire Line
	3950 1600 4300 1600
$Comp
L Connector_Generic:Conn_02x05_Odd_Even J701
U 1 1 5B6CBEE2
P 1350 1050
F 0 "J701" H 1400 1467 50  0000 C CNN
F 1 "AUEXT" H 1400 1376 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_2x05_P2.54mm_Vertical_SMD" H 1350 1050 50  0001 C CNN
F 3 "~" H 1350 1050 50  0001 C CNN
	1    1350 1050
	1    0    0    -1  
$EndComp
Wire Wire Line
	1150 1150 850  1150
Wire Wire Line
	1150 1250 850  1250
Wire Wire Line
	1650 1150 1950 1150
Wire Wire Line
	1650 1250 1950 1250
Text Label 1950 1150 2    50   ~ 0
LOUT
Text Label 1950 1250 2    50   ~ 0
ROUT
Text Label 850  1150 0    50   ~ 0
LIN
Text Label 850  1250 0    50   ~ 0
RIN
Wire Wire Line
	3950 1450 4550 1450
$Comp
L Device:C C711
U 1 1 5B7B0826
P 4850 1550
F 0 "C711" H 4965 1596 50  0000 L CNN
F 1 "10u" H 4965 1505 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 4888 1400 50  0001 C CNN
F 3 "~" H 4850 1550 50  0001 C CNN
	1    4850 1550
	1    0    0    -1  
$EndComp
Wire Wire Line
	4850 1350 4850 1400
$Comp
L power:GND #PWR0730
U 1 1 5B7BD050
P 4850 1800
F 0 "#PWR0730" H 4850 1550 50  0001 C CNN
F 1 "GND" H 4855 1627 50  0000 C CNN
F 2 "" H 4850 1800 50  0001 C CNN
F 3 "" H 4850 1800 50  0001 C CNN
	1    4850 1800
	1    0    0    -1  
$EndComp
Wire Wire Line
	4850 1700 4850 1750
$Comp
L Device:C C713
U 1 1 5B7C9E70
P 5250 1550
F 0 "C713" H 5365 1596 50  0000 L CNN
F 1 "100n" H 5365 1505 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 5288 1400 50  0001 C CNN
F 3 "~" H 5250 1550 50  0001 C CNN
	1    5250 1550
	1    0    0    -1  
$EndComp
Wire Wire Line
	4850 1350 5250 1350
Wire Wire Line
	5250 1350 5250 1400
Connection ~ 4850 1350
Wire Wire Line
	5250 1700 5250 1750
Wire Wire Line
	5250 1750 4850 1750
Connection ~ 4850 1750
Wire Wire Line
	4850 1750 4850 1800
$Comp
L power:GND #PWR0103
U 1 1 5B776B03
P 2050 850
F 0 "#PWR0103" H 2050 600 50  0001 C CNN
F 1 "GND" V 2055 722 50  0000 R CNN
F 2 "" H 2050 850 50  0001 C CNN
F 3 "" H 2050 850 50  0001 C CNN
	1    2050 850 
	0    -1   -1   0   
$EndComp
Wire Wire Line
	2050 850  1650 850 
$Comp
L power:+3.3VA #PWR0104
U 1 1 5BDC7203
P 2550 1200
F 0 "#PWR0104" H 2550 1050 50  0001 C CNN
F 1 "+3.3VA" H 2550 1350 50  0000 C CNN
F 2 "" H 2550 1200 50  0001 C CNN
F 3 "" H 2550 1200 50  0001 C CNN
	1    2550 1200
	1    0    0    -1  
$EndComp
Wire Wire Line
	4550 1000 4550 1350
Wire Wire Line
	3950 1350 4550 1350
Connection ~ 4550 1350
Wire Wire Line
	4550 1350 4550 1450
Wire Wire Line
	4550 1350 4850 1350
$Comp
L power:+3.3VA #PWR0105
U 1 1 5BDEB74F
P 6600 5450
F 0 "#PWR0105" H 6600 5300 50  0001 C CNN
F 1 "+3.3VA" H 6615 5623 50  0000 C CNN
F 2 "" H 6600 5450 50  0001 C CNN
F 3 "" H 6600 5450 50  0001 C CNN
	1    6600 5450
	1    0    0    -1  
$EndComp
Wire Wire Line
	2550 1200 2550 1350
Wire Wire Line
	2550 1450 2550 1350
Connection ~ 2550 1350
Wire Wire Line
	2750 1350 2550 1350
Text Notes 3700 4350 0    50   ~ 0
This section is pretty much taken from \nMutable Instruments Clouds (c) Olivier Gillet
Text Notes 850  1550 0    50   ~ 0
To external audio breakout.\nUseful for testing.
Wire Notes Line
	500  550  500  1550
Wire Notes Line
	500  1550 2000 1550
Wire Notes Line
	2000 1550 2000 1400
Wire Notes Line
	2000 1400 2350 1400
Wire Notes Line
	2350 1400 2350 550 
Wire Notes Line
	2350 550  500  550 
Wire Wire Line
	7100 2850 7350 2850
Wire Wire Line
	7100 1500 7150 1500
Wire Wire Line
	7150 1500 7150 1650
Connection ~ 7150 1650
$EndSCHEMATC