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c3lingo-interpreter-unit/schematics/c3lingo-interpreter-unit.sch

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EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A3 16535 11693
encoding utf-8
Sheet 1 1
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L Connector:XLR3_Ground J2
U 1 1 5F81A769
P 900 1900
F 0 "J2" H 900 2265 50 0000 C CNN
F 1 "Mic 1" H 900 2174 50 0000 C CNN
F 2 "" H 900 1900 50 0001 C CNN
F 3 "https://www.neutrik.com/de/produkt/nc3fd-lx.pdf" H 900 1900 50 0001 C CNN
1 900 1900
1 0 0 -1
$EndComp
$Comp
L Connector:XLR3_AudioJack3_Combo_Ground J4
U 2 1 5F81B01C
P 850 8900
F 0 "J4" H 850 9265 50 0000 C CNN
F 1 "Stage Line-In" H 850 9174 50 0000 C CNN
F 2 "" H 850 8900 50 0001 C CNN
F 3 "https://www.neutrik.com/de/produkt/ncj6fa-h.pdf" H 850 8900 50 0001 C CNN
2 850 8900
1 0 0 -1
$EndComp
$Comp
L Connector:XLR3_Ground J3
U 1 1 5F82013F
P 15300 4400
F 0 "J3" H 15300 4765 50 0000 C CNN
F 1 "Mix Line-Out" H 15300 4674 50 0000 C CNN
F 2 "" H 15300 4400 50 0001 C CNN
F 3 "https://www.neutrik.com/de/produkt/nc3md-lx.pdf" H 15300 4400 50 0001 C CNN
1 15300 4400
-1 0 0 -1
$EndComp
$Comp
L Connector:AudioJack3_Ground J1
U 1 1 5F821533
P 15200 1800
F 0 "J1" H 14920 1768 50 0000 R CNN
F 1 "Headphone 1" H 14920 1677 50 0000 R CNN
F 2 "" H 15200 1800 50 0001 C CNN
F 3 "https://www.neutrik.com/de/produkt/nj3fp6c.pdf" H 15200 1800 50 0001 C CNN
1 15200 1800
-1 0 0 -1
$EndComp
$Comp
L power:GNDREF #PWR08
U 1 1 5F830544
P 700 2300
F 0 "#PWR08" H 700 2050 50 0001 C CNN
F 1 "GNDREF" H 705 2127 50 0000 C CNN
F 2 "" H 700 2300 50 0001 C CNN
F 3 "" H 700 2300 50 0001 C CNN
1 700 2300
1 0 0 -1
$EndComp
$Comp
L Device:R R1
U 1 1 5F83A5E0
P 1750 1500
F 0 "R1" V 1543 1500 50 0000 C CNN
F 1 "1K 1%" V 1634 1500 50 0000 C CNN
F 2 "" V 1680 1500 50 0001 C CNN
F 3 "~" H 1750 1500 50 0001 C CNN
1 1750 1500
0 1 1 0
$EndComp
$Comp
L Device:R R6
U 1 1 5F83C638
P 4350 2000
F 0 "R6" V 4143 2000 50 0000 C CNN
F 1 "120R" V 4234 2000 50 0000 C CNN
F 2 "" V 4280 2000 50 0001 C CNN
F 3 "~" H 4350 2000 50 0001 C CNN
1 4350 2000
0 1 1 0
$EndComp
$Comp
L Device:R R11
U 1 1 5F83D91E
P 3200 2500
F 0 "R11" V 2993 2500 50 0000 C CNN
F 1 "324K 1%" V 3084 2500 50 0000 C CNN
F 2 "" V 3130 2500 50 0001 C CNN
F 3 "~" H 3200 2500 50 0001 C CNN
1 3200 2500
0 1 1 0
$EndComp
$Comp
L Device:R R5
U 1 1 5F83F337
P 1950 2000
F 0 "R5" H 2020 2046 50 0000 L CNN
F 1 "27.5K 1%" H 2020 1955 50 0000 L CNN
F 2 "" V 1880 2000 50 0001 C CNN
F 3 "~" H 1950 2000 50 0001 C CNN
1 1950 2000
1 0 0 -1
$EndComp
$Comp
L power:+15V #PWR01
U 1 1 5F84163B
P 2400 800
F 0 "#PWR01" H 2400 650 50 0001 C CNN
F 1 "+15V" H 2415 973 50 0000 C CNN
F 2 "" H 2400 800 50 0001 C CNN
F 3 "" H 2400 800 50 0001 C CNN
1 2400 800
1 0 0 -1
$EndComp
$Comp
L Device:R R2
U 1 1 5F84960A
P 3200 1500
F 0 "R2" V 2993 1500 50 0000 C CNN
F 1 "324K 1%" V 3084 1500 50 0000 C CNN
F 2 "" V 3130 1500 50 0001 C CNN
F 3 "~" H 3200 1500 50 0001 C CNN
1 3200 1500
0 1 1 0
$EndComp
Wire Wire Line
3050 2000 3600 2000
Wire Wire Line
3600 2000 3600 1500
Wire Wire Line
3600 1500 3350 1500
Wire Wire Line
3050 1500 2400 1500
Wire Wire Line
3050 2500 2400 2500
Wire Wire Line
1950 1850 1950 1800
Wire Wire Line
1950 1800 2400 1800
Wire Wire Line
2400 1800 2400 1900
Wire Wire Line
2400 1900 2450 1900
Wire Wire Line
2450 2100 2400 2100
Wire Wire Line
2400 2100 2400 2200
Wire Wire Line
2400 2200 1950 2200
Wire Wire Line
1950 2200 1950 2150
Wire Wire Line
2400 1800 2400 1500
Connection ~ 2400 1800
Connection ~ 2400 1500
Wire Wire Line
2400 1500 1900 1500
Wire Wire Line
2400 2200 2400 2500
Connection ~ 2400 2200
Connection ~ 2400 2500
Wire Wire Line
2400 2500 1900 2500
Wire Wire Line
3350 2500 3600 2500
Wire Wire Line
3600 2500 3600 2600
Wire Wire Line
2650 3000 2800 3000
$Comp
L Device:CP C9
U 1 1 5F8514CB
P 3250 3300
F 0 "C9" V 2995 3300 50 0000 C CNN
F 1 "100uF" V 3086 3300 50 0000 C CNN
F 2 "" H 3288 3150 50 0001 C CNN
F 3 "~" H 3250 3300 50 0001 C CNN
1 3250 3300
0 1 1 0
$EndComp
$Comp
L Device:C C8
U 1 1 5F8504A1
P 2950 3000
F 0 "C8" V 2698 3000 50 0000 C CNN
F 1 "100nF" V 2789 3000 50 0000 C CNN
F 2 "" H 2988 2850 50 0001 C CNN
F 3 "~" H 2950 3000 50 0001 C CNN
1 2950 3000
0 1 1 0
$EndComp
$Comp
L power:GNDREF #PWR012
U 1 1 5F84F240
P 3700 3200
F 0 "#PWR012" H 3700 2950 50 0001 C CNN
F 1 "GNDREF" H 3705 3027 50 0000 C CNN
F 2 "" H 3700 3200 50 0001 C CNN
F 3 "" H 3700 3200 50 0001 C CNN
1 3700 3200
1 0 0 -1
$EndComp
$Comp
L power:GNDREF #PWR09
U 1 1 5F84E5EB
P 3600 2600
F 0 "#PWR09" H 3600 2350 50 0001 C CNN
F 1 "GNDREF" H 3605 2427 50 0000 C CNN
F 2 "" H 3600 2600 50 0001 C CNN
F 3 "" H 3600 2600 50 0001 C CNN
1 3600 2600
1 0 0 -1
$EndComp
$Comp
L power:-15V #PWR011
U 1 1 5F842347
P 2400 3000
F 0 "#PWR011" H 2400 3100 50 0001 C CNN
F 1 "-15V" H 2415 3173 50 0000 C CNN
F 2 "" H 2400 3000 50 0001 C CNN
F 3 "" H 2400 3000 50 0001 C CNN
1 2400 3000
1 0 0 -1
$EndComp
$Comp
L Device:C C2
U 1 1 5F862FE2
P 2950 1100
F 0 "C2" V 2698 1100 50 0000 C CNN
F 1 "100nF" V 2789 1100 50 0000 C CNN
F 2 "" H 2988 950 50 0001 C CNN
F 3 "~" H 2950 1100 50 0001 C CNN
1 2950 1100
0 1 1 0
$EndComp
$Comp
L power:GNDREF #PWR04
U 1 1 5F8640B0
P 3700 1000
F 0 "#PWR04" H 3700 750 50 0001 C CNN
F 1 "GNDREF" H 3705 827 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
$Comp
L Device:CP C6
U 1 1 5F864500
P 3850 2000
F 0 "C6" V 4105 2000 50 0000 C CNN
F 1 "10uF" V 4014 2000 50 0000 C CNN
F 2 "" H 3888 1850 50 0001 C CNN
F 3 "~" H 3850 2000 50 0001 C CNN
1 3850 2000
0 -1 -1 0
$EndComp
$Comp
L Device:R R7
U 1 1 5F86655E
P 4100 2250
F 0 "R7" H 4030 2204 50 0000 R CNN
F 1 "5.6K" H 4030 2295 50 0000 R CNN
F 2 "" V 4030 2250 50 0001 C CNN
F 3 "~" H 4100 2250 50 0001 C CNN
1 4100 2250
-1 0 0 1
$EndComp
Wire Wire Line
3600 2000 3700 2000
Connection ~ 3600 2000
Wire Wire Line
4000 2000 4100 2000
Wire Wire Line
4100 2000 4100 2100
Connection ~ 4100 2000
Wire Wire Line
4100 2000 4200 2000
Wire Wire Line
4100 2400 4100 2500
Wire Wire Line
4100 2500 3600 2500
Connection ~ 3600 2500
Wire Wire Line
600 1900 600 2250
Wire Wire Line
600 2250 700 2250
Wire Wire Line
700 2250 700 2300
Wire Wire Line
700 2250 800 2250
Wire Wire Line
800 2250 800 2200
Connection ~ 700 2250
Wire Wire Line
1500 1900 1500 1500
Wire Wire Line
1500 1500 1600 1500
Wire Wire Line
2650 2300 2650 3000
Wire Wire Line
2650 1700 2650 1100
Wire Wire Line
2650 1100 2800 1100
Wire Wire Line
2650 1100 2650 950
Wire Wire Line
2650 800 3100 800
Connection ~ 2650 1100
Wire Wire Line
3400 800 3500 800
Wire Wire Line
3500 1100 3100 1100
Wire Wire Line
2650 950 2400 950
Wire Wire Line
2400 950 2400 800
Connection ~ 2650 950
Wire Wire Line
2650 950 2650 800
Wire Wire Line
2650 3000 2650 3150
Wire Wire Line
2650 3300 3100 3300
Connection ~ 2650 3000
Wire Wire Line
3400 3300 3500 3300
Wire Wire Line
3500 3300 3500 3150
Wire Wire Line
3100 3000 3500 3000
Wire Wire Line
2650 3150 2400 3150
Wire Wire Line
2400 3150 2400 3000
Connection ~ 2650 3150
Wire Wire Line
2650 3150 2650 3300
Wire Wire Line
3500 3150 3700 3150
Wire Wire Line
3700 3150 3700 3200
Connection ~ 3500 3150
Wire Wire Line
3500 3150 3500 3000
Wire Wire Line
3500 800 3500 950
Wire Wire Line
3500 950 3700 950
Wire Wire Line
3700 950 3700 1000
Connection ~ 3500 950
Wire Wire Line
3500 950 3500 1100
$Comp
L Device:CP C1
U 1 1 5F863B13
P 3250 800
F 0 "C1" V 3505 800 50 0000 C CNN
F 1 "100uF" V 3414 800 50 0000 C CNN
F 2 "" H 3288 650 50 0001 C CNN
F 3 "~" H 3250 800 50 0001 C CNN
1 3250 800
0 -1 -1 0
$EndComp
Text Notes 1600 3000 0 50 ~ 0
Mic Preamp\nGain: 50 dB
$Comp
L power:GNDREF #PWR019
U 1 1 5F8EECF1
P 1400 9400
F 0 "#PWR019" H 1400 9150 50 0001 C CNN
F 1 "GNDREF" H 1405 9227 50 0000 C CNN
F 2 "" H 1400 9400 50 0001 C CNN
F 3 "" H 1400 9400 50 0001 C CNN
1 1400 9400
1 0 0 -1
$EndComp
Wire Wire Line
1300 9200 1400 9200
Wire Wire Line
1200 9000 1200 8400
Wire Wire Line
1200 8400 1900 8400
Wire Wire Line
1900 8400 1900 8900
Wire Wire Line
1600 9200 1600 9300
Wire Wire Line
1600 9300 1100 9300
Wire Wire Line
1100 9300 1100 8900
Connection ~ 1400 9200
Wire Wire Line
1400 9200 1500 9200
Wire Wire Line
15600 4400 15600 4700
Wire Wire Line
15600 4700 15500 4700
$Comp
L power:GNDREF #PWR015
U 1 1 5F91C92F
P 15500 4700
F 0 "#PWR015" H 15500 4450 50 0001 C CNN
F 1 "GNDREF" H 15505 4527 50 0000 C CNN
F 2 "" H 15500 4700 50 0001 C CNN
F 3 "" H 15500 4700 50 0001 C CNN
1 15500 4700
-1 0 0 -1
$EndComp
Connection ~ 15500 4700
Wire Wire Line
15500 4700 15400 4700
Wire Wire Line
15000 1700 14950 1700
Wire Wire Line
14950 1700 14950 2100
Wire Wire Line
14950 2100 15200 2100
$Comp
L power:GNDREF #PWR07
U 1 1 5F923283
P 15200 2100
F 0 "#PWR07" H 15200 1850 50 0001 C CNN
F 1 "GNDREF" H 15205 1927 50 0000 C CNN
F 2 "" H 15200 2100 50 0001 C CNN
F 3 "" H 15200 2100 50 0001 C CNN
1 15200 2100
1 0 0 -1
$EndComp
Connection ~ 15200 2100
Text Notes 5200 2750 0 50 ~ 0
Second Gain Stage\nGain: 0 to 48.6 dB\nGain = (120 + R_pot) / 120
$Comp
L Amplifier_Operational:NE5534 U2
U 1 1 5F80D909
P 2750 2000
F 0 "U2" H 3094 2046 50 0000 L CNN
F 1 "NE5534" H 3094 1955 50 0000 L CNN
F 2 "Package_DIP:DIP-8_W7.62mm" H 2800 2050 50 0001 C CNN
F 3 "" H 2800 2150 50 0001 C CNN
1 2750 2000
1 0 0 -1
$EndComp
$Comp
L Amplifier_Operational:LM358 U4
U 1 1 5F810C7D
P 3100 9000
F 0 "U4" H 3100 9367 50 0000 C CNN
F 1 "LM833N" H 3100 9276 50 0000 C CNN
F 2 "Package_DIP:DIP-8_W7.62mm" H 3100 9000 50 0001 C CNN
F 3 "" H 3100 9000 50 0001 C CNN
1 3100 9000
1 0 0 -1
$EndComp
$Comp
L Amplifier_Operational:LM358 U4
U 2 1 5F926E3F
P 5800 9200
F 0 "U4" H 5800 8833 50 0000 C CNN
F 1 "LM833N" H 5800 8924 50 0000 C CNN
F 2 "Package_DIP:DIP-8_W7.62mm" H 5800 9200 50 0001 C CNN
F 3 "" H 5800 9200 50 0001 C CNN
2 5800 9200
1 0 0 1
$EndComp
Text Notes 3900 9700 0 50 ~ 0
Input Module\nGain: -6 to +8 dB\nGain = (R_pot + R_22k) / R_47k\nLP_filter(R_pot): 130 - 22 kHz
$Comp
L Device:C C14
U 1 1 5FA035F7
P 4650 8500
F 0 "C14" V 4398 8500 50 0000 C CNN
F 1 "47pF" V 4489 8500 50 0000 C CNN
F 2 "" H 4688 8350 50 0001 C CNN
F 3 "~" H 4650 8500 50 0001 C CNN
1 4650 8500
0 1 1 0
$EndComp
$Comp
L Device:R R18
U 1 1 5FA03CB6
P 2450 8800
F 0 "R18" V 2243 8800 50 0000 C CNN
F 1 "R" V 2334 8800 50 0000 C CNN
F 2 "" V 2380 8800 50 0001 C CNN
F 3 "~" H 2450 8800 50 0001 C CNN
1 2450 8800
0 1 1 0
$EndComp
$Comp
L Device:R R21
U 1 1 5FA17C1B
P 2450 9200
F 0 "R21" V 2243 9200 50 0000 C CNN
F 1 "R" V 2334 9200 50 0000 C CNN
F 2 "" V 2380 9200 50 0001 C CNN
F 3 "~" H 2450 9200 50 0001 C CNN
1 2450 9200
0 1 1 0
$EndComp
$Comp
L Device:R R17
U 1 1 5FA193EC
P 3150 8450
F 0 "R17" V 2943 8450 50 0000 C CNN
F 1 "R" V 3034 8450 50 0000 C CNN
F 2 "" V 3080 8450 50 0001 C CNN
F 3 "~" H 3150 8450 50 0001 C CNN
1 3150 8450
0 1 1 0
$EndComp
$Comp
L Device:R R23
U 1 1 5FA1F9D1
P 2700 9450
F 0 "R23" H 2770 9496 50 0000 L CNN
F 1 "R" H 2770 9405 50 0000 L CNN
F 2 "" V 2630 9450 50 0001 C CNN
F 3 "~" H 2700 9450 50 0001 C CNN
1 2700 9450
1 0 0 -1
$EndComp
$Comp
L power:GNDREF #PWR022
U 1 1 5FA228C1
P 2700 9600
F 0 "#PWR022" H 2700 9350 50 0001 C CNN
F 1 "GNDREF" H 2705 9427 50 0000 C CNN
F 2 "" H 2700 9600 50 0001 C CNN
F 3 "" H 2700 9600 50 0001 C CNN
1 2700 9600
1 0 0 -1
$EndComp
Wire Wire Line
2600 9200 2700 9200
Wire Wire Line
2700 9200 2700 9300
Wire Wire Line
2700 9200 2700 9100
Wire Wire Line
2700 9100 2800 9100
Connection ~ 2700 9200
Wire Wire Line
2600 8800 2700 8800
Wire Wire Line
2700 8800 2700 8900
Wire Wire Line
2700 8900 2800 8900
Wire Wire Line
2700 8800 2700 8450
Wire Wire Line
2700 8450 3000 8450
Connection ~ 2700 8800
Wire Wire Line
3300 8450 3500 8450
Wire Wire Line
3500 8450 3500 9000
Wire Wire Line
3500 9000 3400 9000
Wire Wire Line
2300 8800 2200 8800
Wire Wire Line
2200 8800 2200 8900
Wire Wire Line
2200 8900 1900 8900
Wire Wire Line
1400 9200 1400 9400
Wire Wire Line
1600 9300 2200 9300
Wire Wire Line
2200 9300 2200 9200
Wire Wire Line
2200 9200 2300 9200
Connection ~ 1600 9300
$Comp
L Device:R R10
U 1 1 5F84095A
P 1750 2500
F 0 "R10" V 1543 2500 50 0000 C CNN
F 1 "1K 1%" V 1634 2500 50 0000 C CNN
F 2 "" V 1680 2500 50 0001 C CNN
F 3 "~" H 1750 2500 50 0001 C CNN
1 1750 2500
0 1 1 0
$EndComp
Wire Wire Line
1500 2500 1600 2500
Wire Wire Line
900 2200 900 2300
Wire Wire Line
1500 2300 1500 2500
Text Notes 3000 9700 0 50 ~ 0
Balanced Converter\nGain: 0 dB\nTODO: use INA134?
$Comp
L Device:R R20
U 1 1 5FAA4C23
P 4050 9100
F 0 "R20" V 3843 9100 50 0000 C CNN
F 1 "47K" V 3934 9100 50 0000 C CNN
F 2 "" V 3980 9100 50 0001 C CNN
F 3 "~" H 4050 9100 50 0001 C CNN
1 4050 9100
0 1 1 0
$EndComp
Wire Wire Line
1200 1900 1500 1900
Wire Wire Line
900 2300 1500 2300
$Comp
L Device:R R19
U 1 1 5FAC6B3E
P 4650 8900
F 0 "R19" V 4443 8900 50 0000 C CNN
F 1 "22K" V 4534 8900 50 0000 C CNN
F 2 "" V 4580 8900 50 0001 C CNN
F 3 "~" H 4650 8900 50 0001 C CNN
1 4650 8900
0 1 1 0
$EndComp
$Comp
L Device:R_POT RV1
U 1 1 5FAC97E9
P 5050 8900
F 0 "RV1" V 4935 8900 50 0000 C CNN
F 1 "100K" V 4844 8900 50 0000 C CNN
F 2 "Potentiometer_THT:Potentiometer_Vishay_148-149_Single_Horizontal" H 5050 8900 50 0001 C CNN
F 3 "~" H 5050 8900 50 0001 C CNN
1 5050 8900
0 -1 -1 0
$EndComp
Wire Wire Line
4400 8900 4500 8900
Wire Wire Line
4400 8900 4400 8500
Wire Wire Line
4400 8500 4500 8500
Connection ~ 4400 8900
Wire Wire Line
5050 8750 5050 8650
Wire Wire Line
5050 8650 5150 8650
Wire Wire Line
5150 8650 5150 8500
Wire Wire Line
5150 8500 4800 8500
Wire Wire Line
4800 8900 4900 8900
$Comp
L power:GNDREF #PWR020
U 1 1 5FAF156D
P 5400 9500
F 0 "#PWR020" H 5400 9250 50 0001 C CNN
F 1 "GNDREF" H 5405 9327 50 0000 C CNN
F 2 "" H 5400 9500 50 0001 C CNN
F 3 "" H 5400 9500 50 0001 C CNN
1 5400 9500
1 0 0 -1
$EndComp
$Comp
L power:GNDREF #PWR021
U 1 1 5FAF1C49
P 6400 9500
F 0 "#PWR021" H 6400 9250 50 0001 C CNN
F 1 "GNDREF" H 6405 9327 50 0000 C CNN
F 2 "" H 6400 9500 50 0001 C CNN
F 3 "" H 6400 9500 50 0001 C CNN
1 6400 9500
1 0 0 -1
$EndComp
$Comp
L Device:R R22
U 1 1 5FAF225E
P 6400 9250
F 0 "R22" H 6470 9296 50 0000 L CNN
F 1 "22K" H 6470 9205 50 0000 L CNN
F 2 "" V 6330 9250 50 0001 C CNN
F 3 "~" H 6400 9250 50 0001 C CNN
1 6400 9250
1 0 0 -1
$EndComp
Wire Wire Line
6200 8650 6200 9000
Wire Wire Line
6200 9200 6100 9200
Wire Wire Line
5500 9300 5400 9300
Wire Wire Line
5400 9300 5400 9500
Wire Wire Line
5300 9100 5300 9200
Connection ~ 5150 8650
Wire Wire Line
4400 8900 4400 9100
Wire Wire Line
4800 9200 5300 9200
Wire Wire Line
3800 9100 3900 9100
Connection ~ 3500 9000
Wire Wire Line
4200 9100 4400 9100
Connection ~ 6200 9000
Wire Wire Line
6200 9000 6200 9200
Wire Wire Line
6400 9000 6400 9100
Wire Wire Line
6400 9400 6400 9500
Wire Wire Line
4800 9200 4800 9100
Wire Wire Line
4800 9100 4400 9100
Connection ~ 4400 9100
Wire Wire Line
3800 9100 3800 9000
Wire Wire Line
3500 9000 3800 9000
Text GLabel 6850 9000 2 50 Output ~ 0
Stage
Wire Wire Line
6200 9000 6400 9000
Connection ~ 6400 9000
Wire Wire Line
6400 9000 6850 9000
$Comp
L Amplifier_Operational:LM358 U3
U 1 1 5FCC6AFD
P 2700 5300
F 0 "U3" H 2700 4933 50 0000 C CNN
F 1 "LM833N" H 2700 5024 50 0000 C CNN
F 2 "Package_DIP:DIP-8_W7.62mm" H 2700 5300 50 0001 C CNN
F 3 "" H 2700 5300 50 0001 C CNN
1 2700 5300
1 0 0 1
$EndComp
$Comp
L power:GNDREF #PWR026
U 1 1 5F93633D
P 4150 10550
F 0 "#PWR026" H 4150 10300 50 0001 C CNN
F 1 "GNDREF" H 4155 10377 50 0000 C CNN
F 2 "" H 4150 10550 50 0001 C CNN
F 3 "" H 4150 10550 50 0001 C CNN
1 4150 10550
1 0 0 -1
$EndComp
$Comp
L power:GNDREF #PWR025
U 1 1 5F9381DA
P 3350 10550
F 0 "#PWR025" H 3350 10300 50 0001 C CNN
F 1 "GNDREF" H 3355 10377 50 0000 C CNN
F 2 "" H 3350 10550 50 0001 C CNN
F 3 "" H 3350 10550 50 0001 C CNN
1 3350 10550
1 0 0 -1
$EndComp
$Comp
L Device:C C15
U 1 1 5F93A49E
P 3350 10400
F 0 "C15" H 3235 10354 50 0000 R CNN
F 1 "100nF" H 3235 10445 50 0000 R CNN
F 2 "" H 3388 10250 50 0001 C CNN
F 3 "~" H 3350 10400 50 0001 C CNN
1 3350 10400
-1 0 0 1
$EndComp
$Comp
L Device:C C16
U 1 1 5F93AE68
P 4150 10400
F 0 "C16" H 4035 10354 50 0000 R CNN
F 1 "100nF" H 4035 10445 50 0000 R CNN
F 2 "" H 4188 10250 50 0001 C CNN
F 3 "~" H 4150 10400 50 0001 C CNN
1 4150 10400
-1 0 0 1
$EndComp
Wire Wire Line
3350 10150 3450 10150
Connection ~ 3350 10150
Wire Wire Line
3350 10050 3350 10150
Wire Wire Line
3350 10150 3350 10250
Connection ~ 4150 10150
Wire Wire Line
4150 10150 4150 10250
Wire Wire Line
4150 10150 4150 10050
Wire Wire Line
4050 10150 4150 10150
$Comp
L power:+15V #PWR024
U 1 1 5F939835
P 4150 10050
F 0 "#PWR024" H 4150 9900 50 0001 C CNN
F 1 "+15V" H 4165 10223 50 0000 C CNN
F 2 "" H 4150 10050 50 0001 C CNN
F 3 "" H 4150 10050 50 0001 C CNN
1 4150 10050
1 0 0 -1
$EndComp
$Comp
L power:-15V #PWR023
U 1 1 5F938A79
P 3350 10050
F 0 "#PWR023" H 3350 10150 50 0001 C CNN
F 1 "-15V" H 3365 10223 50 0000 C CNN
F 2 "" H 3350 10050 50 0001 C CNN
F 3 "" H 3350 10050 50 0001 C CNN
1 3350 10050
1 0 0 -1
$EndComp
$Comp
L Amplifier_Operational:LM358 U4
U 3 1 5F92849F
P 3750 10250
F 0 "U4" V 3425 10250 50 0000 C CNN
F 1 "LM833N" V 3516 10250 50 0000 C CNN
F 2 "Package_DIP:DIP-8_W7.62mm" H 3750 10250 50 0001 C CNN
F 3 "" H 3750 10250 50 0001 C CNN
3 3750 10250
0 1 1 0
$EndComp
$Comp
L power:GNDREF #PWR017
U 1 1 5FCF1258
P 5700 5300
F 0 "#PWR017" H 5700 5050 50 0001 C CNN
F 1 "GNDREF" H 5705 5127 50 0000 C CNN
F 2 "" H 5700 5300 50 0001 C CNN
F 3 "" H 5700 5300 50 0001 C CNN
1 5700 5300
1 0 0 -1
$EndComp
$Comp
L power:GNDREF #PWR016
U 1 1 5FCF125E
P 4900 5300
F 0 "#PWR016" H 4900 5050 50 0001 C CNN
F 1 "GNDREF" H 4905 5127 50 0000 C CNN
F 2 "" H 4900 5300 50 0001 C CNN
F 3 "" H 4900 5300 50 0001 C CNN
1 4900 5300
1 0 0 -1
$EndComp
$Comp
L Device:C C11
U 1 1 5FCF1264
P 4900 5150
F 0 "C11" H 4785 5104 50 0000 R CNN
F 1 "100nF" H 4785 5195 50 0000 R CNN
F 2 "" H 4938 5000 50 0001 C CNN
F 3 "~" H 4900 5150 50 0001 C CNN
1 4900 5150
-1 0 0 1
$EndComp
$Comp
L Device:C C12
U 1 1 5FCF126A
P 5700 5150
F 0 "C12" H 5585 5104 50 0000 R CNN
F 1 "100nF" H 5585 5195 50 0000 R CNN
F 2 "" H 5738 5000 50 0001 C CNN
F 3 "~" H 5700 5150 50 0001 C CNN
1 5700 5150
-1 0 0 1
$EndComp
Wire Wire Line
4900 4900 5000 4900
Connection ~ 4900 4900
Wire Wire Line
4900 4800 4900 4900
Wire Wire Line
4900 4900 4900 5000
Connection ~ 5700 4900
Wire Wire Line
5700 4900 5700 5000
Wire Wire Line
5700 4900 5700 4800
Wire Wire Line
5600 4900 5700 4900
$Comp
L power:+15V #PWR014
U 1 1 5FCF1278
P 5700 4800
F 0 "#PWR014" H 5700 4650 50 0001 C CNN
F 1 "+15V" H 5715 4973 50 0000 C CNN
F 2 "" H 5700 4800 50 0001 C CNN
F 3 "" H 5700 4800 50 0001 C CNN
1 5700 4800
1 0 0 -1
$EndComp
$Comp
L power:-15V #PWR013
U 1 1 5FCF127E
P 4900 4800
F 0 "#PWR013" H 4900 4900 50 0001 C CNN
F 1 "-15V" H 4915 4973 50 0000 C CNN
F 2 "" H 4900 4800 50 0001 C CNN
F 3 "" H 4900 4800 50 0001 C CNN
1 4900 4800
1 0 0 -1
$EndComp
$Comp
L Amplifier_Operational:LM358 U3
U 3 1 5FCF1284
P 5300 5000
F 0 "U3" V 4975 5000 50 0000 C CNN
F 1 "LM833N" V 5066 5000 50 0000 C CNN
F 2 "Package_DIP:DIP-8_W7.62mm" H 5300 5000 50 0001 C CNN
F 3 "" H 5300 5000 50 0001 C CNN
3 5300 5000
0 1 1 0
$EndComp
Text GLabel 6800 2250 2 50 Output ~ 0
Mic1
Text GLabel 1150 4800 0 50 Input ~ 0
Mic1
Text GLabel 8350 2350 0 50 Input ~ 0
Stage
$Comp
L Device:R R12
U 1 1 5FD14A6B
P 1750 4800
F 0 "R12" V 1543 4800 50 0000 C CNN
F 1 "22K" V 1634 4800 50 0000 C CNN
F 2 "" V 1680 4800 50 0001 C CNN
F 3 "~" H 1750 4800 50 0001 C CNN
1 1750 4800
0 1 1 0
$EndComp
$Comp
L Device:R R14
U 1 1 5FD2515A
P 1750 5150
F 0 "R14" V 1543 5150 50 0000 C CNN
F 1 "22K" V 1634 5150 50 0000 C CNN
F 2 "" V 1680 5150 50 0001 C CNN
F 3 "~" H 1750 5150 50 0001 C CNN
1 1750 5150
0 1 1 0
$EndComp
$Comp
L Device:R R16
U 1 1 5FD258D7
P 1750 5500
F 0 "R16" V 1543 5500 50 0000 C CNN
F 1 "22K" V 1634 5500 50 0000 C CNN
F 2 "" V 1680 5500 50 0001 C CNN
F 3 "~" H 1750 5500 50 0001 C CNN
1 1750 5500
0 1 1 0
$EndComp
$Comp
L Device:R R13
U 1 1 5FD25F73
P 2850 4800
F 0 "R13" V 2643 4800 50 0000 C CNN
F 1 "22K" V 2734 4800 50 0000 C CNN
F 2 "" V 2780 4800 50 0001 C CNN
F 3 "~" H 2850 4800 50 0001 C CNN
1 2850 4800
0 1 1 0
$EndComp
$Comp
L Device:C C10
U 1 1 5FD269DB
P 2550 4450
F 0 "C10" V 2298 4450 50 0000 C CNN
F 1 "22pF" V 2389 4450 50 0000 C CNN
F 2 "" H 2588 4300 50 0001 C CNN
F 3 "~" H 2550 4450 50 0001 C CNN
1 2550 4450
0 1 1 0
$EndComp
$Comp
L Device:C C13
U 1 1 5FD26AFE
P 3350 5300
F 0 "C13" V 3098 5300 50 0000 C CNN
F 1 "4.7pF" V 3189 5300 50 0000 C CNN
F 2 "" H 3388 5150 50 0001 C CNN
F 3 "~" H 3350 5300 50 0001 C CNN
1 3350 5300
0 1 1 0
$EndComp
$Comp
L Device:R R15
U 1 1 5FD26ECA
P 3750 5300
F 0 "R15" V 3543 5300 50 0000 C CNN
F 1 "47R" V 3634 5300 50 0000 C CNN
F 2 "" V 3680 5300 50 0001 C CNN
F 3 "~" H 3750 5300 50 0001 C CNN
1 3750 5300
0 1 1 0
$EndComp
Text Notes 2700 5800 0 50 ~ 0
Summing Module\nGain: 0 dB\nIf feedback res. is variable,\ngain can be -inf to 0 dB
Wire Wire Line
1900 4800 2000 4800
Wire Wire Line
2000 4800 2000 5150
Wire Wire Line
2000 5150 1900 5150
Wire Wire Line
2000 5150 2000 5200
Wire Wire Line
2000 5500 1900 5500
Connection ~ 2000 5150
Wire Wire Line
2400 5200 2300 5200
Wire Wire Line
2300 5200 2300 4800
Wire Wire Line
2300 4800 2700 4800
Wire Wire Line
5300 9100 5500 9100
Wire Wire Line
5150 8650 6200 8650
$Comp
L power:GNDREF #PWR018
U 1 1 5FD7D2A6
P 2300 5600
F 0 "#PWR018" H 2300 5350 50 0001 C CNN
F 1 "GNDREF" H 2305 5427 50 0000 C CNN
F 2 "" H 2300 5600 50 0001 C CNN
F 3 "" H 2300 5600 50 0001 C CNN
1 2300 5600
1 0 0 -1
$EndComp
Text Notes 13050 5300 0 50 ~ 0
Line driver\nGain: 6 dB
Wire Wire Line
2300 4800 2300 4450
Wire Wire Line
2300 4450 2400 4450
Connection ~ 2300 4800
Wire Wire Line
3000 4800 3100 4800
Wire Wire Line
3100 4800 3100 4450
Wire Wire Line
3100 4450 2700 4450
Wire Wire Line
3100 4800 3100 5300
Wire Wire Line
3100 5300 3000 5300
Connection ~ 3100 4800
Connection ~ 3100 5300
Wire Wire Line
3500 5300 3600 5300
Wire Wire Line
3100 5300 3200 5300
Wire Wire Line
2400 5400 2300 5400
Wire Wire Line
2300 5400 2300 5600
Wire Wire Line
1150 4800 1600 4800
Wire Wire Line
2000 5200 2300 5200
Connection ~ 2000 5200
Wire Wire Line
2000 5200 2000 5500
Connection ~ 2300 5200
Text GLabel 4350 5000 2 50 Output ~ 0
MicSum
Wire Wire Line
4350 5000 4000 5000
Wire Wire Line
4000 5300 3900 5300
$Comp
L power:GNDREF #PWR06
U 1 1 5FFAA880
P 11550 1450
F 0 "#PWR06" H 11550 1200 50 0001 C CNN
F 1 "GNDREF" H 11555 1277 50 0000 C CNN
F 2 "" H 11550 1450 50 0001 C CNN
F 3 "" H 11550 1450 50 0001 C CNN
1 11550 1450
1 0 0 -1
$EndComp
$Comp
L power:GNDREF #PWR05
U 1 1 5FFAA886
P 10750 1450
F 0 "#PWR05" H 10750 1200 50 0001 C CNN
F 1 "GNDREF" H 10755 1277 50 0000 C CNN
F 2 "" H 10750 1450 50 0001 C CNN
F 3 "" H 10750 1450 50 0001 C CNN
1 10750 1450
1 0 0 -1
$EndComp
$Comp
L Device:C C4
U 1 1 5FFAA88C
P 10750 1300
F 0 "C4" H 10635 1254 50 0000 R CNN
F 1 "100nF" H 10635 1345 50 0000 R CNN
F 2 "" H 10788 1150 50 0001 C CNN
F 3 "~" H 10750 1300 50 0001 C CNN
1 10750 1300
-1 0 0 1
$EndComp
$Comp
L Device:C C5
U 1 1 5FFAA892
P 11550 1300
F 0 "C5" H 11435 1254 50 0000 R CNN
F 1 "100nF" H 11435 1345 50 0000 R CNN
F 2 "" H 11588 1150 50 0001 C CNN
F 3 "~" H 11550 1300 50 0001 C CNN
1 11550 1300
-1 0 0 1
$EndComp
Wire Wire Line
10750 1050 10850 1050
Connection ~ 10750 1050
Wire Wire Line
10750 950 10750 1050
Wire Wire Line
10750 1050 10750 1150
Connection ~ 11550 1050
Wire Wire Line
11550 1050 11550 1150
Wire Wire Line
11550 1050 11550 950
Wire Wire Line
11450 1050 11550 1050
$Comp
L power:+15V #PWR03
U 1 1 5FFAA8A0
P 11550 950
F 0 "#PWR03" H 11550 800 50 0001 C CNN
F 1 "+15V" H 11565 1123 50 0000 C CNN
F 2 "" H 11550 950 50 0001 C CNN
F 3 "" H 11550 950 50 0001 C CNN
1 11550 950
1 0 0 -1
$EndComp
$Comp
L power:-15V #PWR02
U 1 1 5FFAA8A6
P 10750 950
F 0 "#PWR02" H 10750 1050 50 0001 C CNN
F 1 "-15V" H 10765 1123 50 0000 C CNN
F 2 "" H 10750 950 50 0001 C CNN
F 3 "" H 10750 950 50 0001 C CNN
1 10750 950
1 0 0 -1
$EndComp
$Comp
L Amplifier_Operational:LM358 U1
U 3 1 5FFAA8AC
P 11150 1150
F 0 "U1" V 10825 1150 50 0000 C CNN
F 1 "LM833N" V 10916 1150 50 0000 C CNN
F 2 "Package_DIP:DIP-8_W7.62mm" H 11150 1150 50 0001 C CNN
F 3 "" H 11150 1150 50 0001 C CNN
3 11150 1150
0 1 1 0
$EndComp
Text GLabel 8350 1550 0 50 Input ~ 0
MicSum
Text Notes 12200 2900 0 50 ~ 0
Headphone driver\nGain: TODO
Text GLabel 11650 4500 0 50 Input ~ 0
MicSum
Text GLabel 12250 2000 0 50 Input ~ 0
Head1
Text GLabel 11550 2000 2 50 Output ~ 0
Head1
$Comp
L Amplifier_Operational:LM358 U1
U 2 1 5FFF673D
P 9900 2300
F 0 "U1" H 9900 1933 50 0000 C CNN
F 1 "LM833N" H 9900 2024 50 0000 C CNN
F 2 "Package_DIP:DIP-8_W7.62mm" H 9900 2300 50 0001 C CNN
F 3 "" H 9900 2300 50 0001 C CNN
2 9900 2300
1 0 0 1
$EndComp
$Comp
L Device:R R9
U 1 1 5FFF6743
P 8950 2350
F 0 "R9" V 8743 2350 50 0000 C CNN
F 1 "22K" V 8834 2350 50 0000 C CNN
F 2 "" V 8880 2350 50 0001 C CNN
F 3 "~" H 8950 2350 50 0001 C CNN
1 8950 2350
0 1 1 0
$EndComp
$Comp
L Device:R_POT R3
U 1 1 5FFF6755
P 10050 1600
F 0 "R3" V 9935 1600 50 0000 C CNN
F 1 "22K" V 9844 1600 50 0000 C CNN
F 2 "Potentiometer_THT:Potentiometer_Vishay_148-149_Single_Horizontal" V 9980 1600 50 0001 C CNN
F 3 "~" H 10050 1600 50 0001 C CNN
1 10050 1600
0 1 -1 0
$EndComp
$Comp
L Device:C C3
U 1 1 5FFF675B
P 9750 1250
F 0 "C3" V 9498 1250 50 0000 C CNN
F 1 "22pF" V 9589 1250 50 0000 C CNN
F 2 "" H 9788 1100 50 0001 C CNN
F 3 "~" H 9750 1250 50 0001 C CNN
1 9750 1250
0 1 1 0
$EndComp
$Comp
L Device:C C7
U 1 1 5FFF6761
P 10550 2300
F 0 "C7" V 10298 2300 50 0000 C CNN
F 1 "4.7pF" V 10389 2300 50 0000 C CNN
F 2 "" H 10588 2150 50 0001 C CNN
F 3 "~" H 10550 2300 50 0001 C CNN
1 10550 2300
0 1 1 0
$EndComp
$Comp
L Device:R R8
U 1 1 5FFF6767
P 10950 2300
F 0 "R8" V 10743 2300 50 0000 C CNN
F 1 "47R" V 10834 2300 50 0000 C CNN
F 2 "" V 10880 2300 50 0001 C CNN
F 3 "~" H 10950 2300 50 0001 C CNN
1 10950 2300
0 1 1 0
$EndComp
Text Notes 9900 2800 0 50 ~ 0
Summing Module\nGain: -inf to 0 dB
Wire Wire Line
9100 1800 9200 1800
Wire Wire Line
9200 2350 9100 2350
Wire Wire Line
9500 1600 9900 1600
$Comp
L power:GNDREF #PWR010
U 1 1 5FFF6777
P 9500 2600
F 0 "#PWR010" H 9500 2350 50 0001 C CNN
F 1 "GNDREF" H 9505 2427 50 0000 C CNN
F 2 "" H 9500 2600 50 0001 C CNN
F 3 "" H 9500 2600 50 0001 C CNN
1 9500 2600
1 0 0 -1
$EndComp
Wire Wire Line
9500 1600 9500 1250
Wire Wire Line
9500 1250 9600 1250
Connection ~ 9500 1600
Wire Wire Line
10700 2300 10800 2300
Wire Wire Line
9600 2400 9500 2400
Wire Wire Line
9500 2400 9500 2600
Wire Wire Line
11550 2000 11200 2000
Wire Wire Line
11200 2000 11200 2300
Wire Wire Line
11200 2300 11100 2300
Wire Wire Line
9200 1800 9200 2200
Wire Wire Line
4000 5000 4000 5300
Wire Wire Line
9200 2200 9200 2350
Connection ~ 9200 2200
Wire Wire Line
9200 2200 9500 2200
Wire Wire Line
10200 2300 10300 2300
Wire Wire Line
10050 1450 10050 1400
Wire Wire Line
10050 1400 10200 1400
Wire Wire Line
9500 1600 9500 2200
Wire Wire Line
9500 2200 9600 2200
Wire Wire Line
10300 1400 10300 2300
Connection ~ 10300 2300
Wire Wire Line
10300 2300 10400 2300
Wire Wire Line
9900 1250 10200 1250
Wire Wire Line
10200 1250 10200 1400
Connection ~ 10200 1400
Wire Wire Line
10200 1400 10300 1400
$Comp
L Device:R_POT R4
U 1 1 6016D9DA
P 8950 1800
F 0 "R4" H 8881 1754 50 0000 R CNN
F 1 "22K" H 8881 1845 50 0000 R CNN
F 2 "Potentiometer_THT:Potentiometer_Vishay_148-149_Single_Horizontal" V 8880 1800 50 0001 C CNN
F 3 "~" H 8950 1800 50 0001 C CNN
1 8950 1800
1 0 0 1
$EndComp
Wire Wire Line
8350 2350 8800 2350
Wire Wire Line
8950 1550 8950 1650
Wire Wire Line
8350 1550 8950 1550
Connection ~ 9500 2200
Wire Wire Line
1050 9000 1200 9000
Wire Wire Line
1050 8800 1300 8800
Wire Wire Line
1100 8900 1050 8900
$Comp
L Connector:XLR3_AudioJack3_Combo_Ground J4
U 1 1 5F81E1F3
P 1600 8900
F 0 "J4" H 1582 9217 50 0000 C CNN
F 1 "Stage Line-In" H 1582 9126 50 0000 C CNN
F 2 "" H 1600 8900 50 0001 C CNN
F 3 "https://www.neutrik.com/de/produkt/ncj6fa-h.pdf" H 1600 8900 50 0001 C CNN
1 1600 8900
1 0 0 -1
$EndComp
Wire Wire Line
1300 8800 1300 8900
Connection ~ 1300 8900
Wire Wire Line
1300 8900 1300 9200
Connection ~ 1900 8900
$Comp
L Connector:Conn_01x03_Male J5
U 1 1 602993B3
P 13250 9100
F 0 "J5" H 13358 9381 50 0000 C CNN
F 1 "Mains_PowerTwist" H 13358 9290 50 0000 C CNN
F 2 "" H 13250 9100 50 0001 C CNN
F 3 "https://www.neutrik.com/de/produkt/nac3mpa-1.pdf" H 13250 9100 50 0001 C CNN
1 13250 9100
1 0 0 -1
$EndComp
$Comp
L Converter_ACDC:TMLM04253 PS1
U 1 1 6029F857
P 14600 9100
F 0 "PS1" H 14600 9467 50 0000 C CNN
F 1 "TXL 035-1515D" H 14600 9376 50 0000 C CNN
F 2 "" H 14600 8750 50 0001 C CNN
F 3 "https://www.tracopower.com/de/model/txl-035-1515d" H 14600 9100 50 0001 C CNN
1 14600 9100
1 0 0 -1
$EndComp
$Comp
L power:GNDREF #PWR028
U 1 1 602A0CDE
P 15600 9200
F 0 "#PWR028" H 15600 8950 50 0001 C CNN
F 1 "GNDREF" H 15605 9027 50 0000 C CNN
F 2 "" H 15600 9200 50 0001 C CNN
F 3 "" H 15600 9200 50 0001 C CNN
1 15600 9200
1 0 0 -1
$EndComp
Wire Wire Line
13450 9200 13550 9200
Wire Wire Line
13550 9200 13550 9400
$Comp
L power:+15V #PWR027
U 1 1 602B7044
P 15300 8900
F 0 "#PWR027" H 15300 8750 50 0001 C CNN
F 1 "+15V" H 15315 9073 50 0000 C CNN
F 2 "" H 15300 8900 50 0001 C CNN
F 3 "" H 15300 8900 50 0001 C CNN
1 15300 8900
1 0 0 -1
$EndComp
$Comp
L power:-15V #PWR029
U 1 1 602B7D59
P 15300 9300
F 0 "#PWR029" H 15300 9400 50 0001 C CNN
F 1 "-15V" H 15315 9473 50 0000 C CNN
F 2 "" H 15300 9300 50 0001 C CNN
F 3 "" H 15300 9300 50 0001 C CNN
1 15300 9300
-1 0 0 1
$EndComp
$Comp
L power:Earth_Protective #PWR030
U 1 1 602C4CA6
P 13550 9400
F 0 "#PWR030" H 13800 9150 50 0001 C CNN
F 1 "Earth_Protective" H 14000 9250 50 0001 C CNN
F 2 "" H 13550 9300 50 0001 C CNN
F 3 "~" H 13550 9300 50 0001 C CNN
1 13550 9400
1 0 0 -1
$EndComp
Wire Wire Line
15100 9200 15300 9200
Wire Wire Line
15300 9200 15300 9300
Wire Wire Line
15100 9000 15300 9000
Wire Wire Line
15300 9000 15300 8900
Wire Wire Line
15600 9100 15600 9200
Wire Wire Line
14100 9200 14000 9200
Wire Wire Line
14000 9200 14000 9100
Wire Wire Line
14000 9100 13450 9100
Wire Wire Line
13450 9000 14100 9000
NoConn ~ 8950 1950
NoConn ~ 5200 8900
NoConn ~ 1600 5150
NoConn ~ 1600 5500
NoConn ~ 10200 1600
NoConn ~ 2750 2300
NoConn ~ 2850 2300
NoConn ~ 2750 1700
Wire Wire Line
15100 9100 15600 9100
NoConn ~ 13250 9000
NoConn ~ 13250 9100
NoConn ~ 13250 9200
Text Notes 5850 1250 0 50 ~ 0
TODO: On-Air and Mute buttons
Text Notes 8150 2700 0 50 ~ 0
TODO: Try 10K or 100K poti\nwith matching feedback R
$Comp
L JBeyerstedt-Library:DRV134PA U5
U 1 1 603FAC5E
P 12750 4200
F 0 "U5" H 13550 4687 60 0000 C CNN
F 1 "DRV134PA" H 13550 4581 60 0000 C CNN
F 2 "Package_DIP:DIP-8_W7.62mm" H 13550 4540 60 0001 C CNN
F 3 "https://www.ti.com/lit/ds/symlink/drv134.pdf" H 13550 4581 60 0001 C CNN
1 12750 4200
1 0 0 -1
$EndComp
$Comp
L power:-15V #PWR0101
U 1 1 6044025E
P 12650 5050
F 0 "#PWR0101" H 12650 5150 50 0001 C CNN
F 1 "-15V" H 12665 5223 50 0000 C CNN
F 2 "" H 12650 5050 50 0001 C CNN
F 3 "" H 12650 5050 50 0001 C CNN
1 12650 5050
-1 0 0 1
$EndComp
$Comp
L power:+15V #PWR0102
U 1 1 60441414
P 12650 3950
F 0 "#PWR0102" H 12650 3800 50 0001 C CNN
F 1 "+15V" H 12665 4123 50 0000 C CNN
F 2 "" H 12650 3950 50 0001 C CNN
F 3 "" H 12650 3950 50 0001 C CNN
1 12650 3950
1 0 0 -1
$EndComp
$Comp
L power:GNDREF #PWR0103
U 1 1 604420CE
P 12150 4150
F 0 "#PWR0103" H 12150 3900 50 0001 C CNN
F 1 "GNDREF" H 12155 3977 50 0000 C CNN
F 2 "" H 12150 4150 50 0001 C CNN
F 3 "" H 12150 4150 50 0001 C CNN
1 12150 4150
1 0 0 -1
$EndComp
$Comp
L power:GNDREF #PWR0104
U 1 1 60442CD0
P 12150 5050
F 0 "#PWR0104" H 12150 4800 50 0001 C CNN
F 1 "GNDREF" H 12155 4877 50 0000 C CNN
F 2 "" H 12150 5050 50 0001 C CNN
F 3 "" H 12150 5050 50 0001 C CNN
1 12150 5050
1 0 0 -1
$EndComp
$Comp
L Device:C C18
U 1 1 60444365
P 12400 4950
F 0 "C18" V 12148 4950 50 0000 C CNN
F 1 "1uF" V 12239 4950 50 0000 C CNN
F 2 "" H 12438 4800 50 0001 C CNN
F 3 "~" H 12400 4950 50 0001 C CNN
1 12400 4950
0 1 1 0
$EndComp
$Comp
L Device:C C17
U 1 1 604659B0
P 12400 4050
F 0 "C17" V 12148 4050 50 0000 C CNN
F 1 "1uF" V 12239 4050 50 0000 C CNN
F 2 "" H 12438 3900 50 0001 C CNN
F 3 "~" H 12400 4050 50 0001 C CNN
1 12400 4050
0 1 1 0
$EndComp
$Comp
L power:GNDREF #PWR0105
U 1 1 6049ECFC
P 14450 5050
F 0 "#PWR0105" H 14450 4800 50 0001 C CNN
F 1 "GNDREF" H 14455 4877 50 0000 C CNN
F 2 "" H 14450 5050 50 0001 C CNN
F 3 "" H 14450 5050 50 0001 C CNN
1 14450 5050
1 0 0 -1
$EndComp
Wire Wire Line
14350 4950 14450 4950
Wire Wire Line
14450 4950 14450 5050
Wire Wire Line
15300 4800 15300 4700
Wire Wire Line
14350 4200 14450 4200
Wire Wire Line
14450 4200 14450 4050
Wire Wire Line
14450 4050 14350 4050
Wire Wire Line
14350 4500 14450 4500
Wire Wire Line
14450 4500 14450 4650
Wire Wire Line
14450 4650 14350 4650
Wire Wire Line
14450 4050 14900 4050
Wire Wire Line
14900 4050 14900 4400
Wire Wire Line
14900 4400 15000 4400
Connection ~ 14450 4050
Wire Wire Line
14450 4650 14900 4650
Wire Wire Line
14900 4650 14900 4800
Wire Wire Line
14900 4800 15300 4800
Connection ~ 14450 4650
Wire Wire Line
11650 4500 12750 4500
Wire Wire Line
12550 4950 12650 4950
Wire Wire Line
12650 4950 12650 5050
Connection ~ 12650 4950
Wire Wire Line
12650 4950 12750 4950
Wire Wire Line
12250 4950 12150 4950
Wire Wire Line
12150 4950 12150 5050
Wire Wire Line
12150 4150 12150 4050
Wire Wire Line
12150 4050 12250 4050
Wire Wire Line
12550 4050 12650 4050
Connection ~ 12650 4050
Wire Wire Line
12650 4050 12750 4050
Wire Wire Line
12650 3950 12650 4050
$Comp
L JBeyerstedt-Library:INA134PA U6
U 1 1 606D5988
P 2350 6950
F 0 "U6" H 3150 7437 60 0000 C CNN
F 1 "INA134PA" H 3150 7331 60 0000 C CNN
F 2 "Package_DIP:DIP-8_W7.62mm" H 3150 7290 60 0001 C CNN
F 3 "https://www.ti.com/lit/ds/symlink/ina134.pdf" H 2350 6750 60 0001 C CNN
1 2350 6950
1 0 0 -1
$EndComp
Wire Wire Line
3950 7150 4050 7150
Wire Wire Line
4050 7150 4050 7400
Wire Wire Line
4050 7400 3950 7400
$Comp
L power:-15V #PWR0106
U 1 1 606E64F7
P 4050 7800
F 0 "#PWR0106" H 4050 7900 50 0001 C CNN
F 1 "-15V" H 4065 7973 50 0000 C CNN
F 2 "" H 4050 7800 50 0001 C CNN
F 3 "" H 4050 7800 50 0001 C CNN
1 4050 7800
1 0 0 1
$EndComp
$Comp
L power:+15V #PWR0107
U 1 1 606E64FD
P 4050 6700
F 0 "#PWR0107" H 4050 6550 50 0001 C CNN
F 1 "+15V" H 4065 6873 50 0000 C CNN
F 2 "" H 4050 6700 50 0001 C CNN
F 3 "" H 4050 6700 50 0001 C CNN
1 4050 6700
-1 0 0 -1
$EndComp
$Comp
L power:GNDREF #PWR0108
U 1 1 606E6503
P 4550 6900
F 0 "#PWR0108" H 4550 6650 50 0001 C CNN
F 1 "GNDREF" H 4555 6727 50 0000 C CNN
F 2 "" H 4550 6900 50 0001 C CNN
F 3 "" H 4550 6900 50 0001 C CNN
1 4550 6900
-1 0 0 -1
$EndComp
$Comp
L Device:C C20
U 1 1 606E650F
P 4300 7700
F 0 "C20" V 4048 7700 50 0000 C CNN
F 1 "1uF" V 4139 7700 50 0000 C CNN
F 2 "" H 4338 7550 50 0001 C CNN
F 3 "~" H 4300 7700 50 0001 C CNN
1 4300 7700
0 -1 1 0
$EndComp
$Comp
L Device:C C19
U 1 1 606E6515
P 4300 6800
F 0 "C19" V 4048 6800 50 0000 C CNN
F 1 "1uF" V 4139 6800 50 0000 C CNN
F 2 "" H 4338 6650 50 0001 C CNN
F 3 "~" H 4300 6800 50 0001 C CNN
1 4300 6800
0 -1 1 0
$EndComp
Wire Wire Line
4050 7400 5150 7400
Wire Wire Line
4150 7700 4050 7700
Wire Wire Line
4050 7700 4050 7800
Connection ~ 4050 7700
Wire Wire Line
4050 7700 3950 7700
Wire Wire Line
4450 7700 4550 7700
Wire Wire Line
4550 7700 4550 7800
Wire Wire Line
4550 6900 4550 6800
Wire Wire Line
4550 6800 4450 6800
Wire Wire Line
4150 6800 4050 6800
Connection ~ 4050 6800
Wire Wire Line
4050 6800 3950 6800
Wire Wire Line
4050 6700 4050 6800
Connection ~ 4050 7400
$Comp
L power:GNDREF #PWR0109
U 1 1 606E6509
P 4550 7800
F 0 "#PWR0109" H 4550 7550 50 0001 C CNN
F 1 "GNDREF" H 4555 7627 50 0000 C CNN
F 2 "" H 4550 7800 50 0001 C CNN
F 3 "" H 4550 7800 50 0001 C CNN
1 4550 7800
-1 0 0 -1
$EndComp
$Comp
L power:GNDREF #PWR0110
U 1 1 6073643F
P 2250 7800
F 0 "#PWR0110" H 2250 7550 50 0001 C CNN
F 1 "GNDREF" H 2255 7627 50 0000 C CNN
F 2 "" H 2250 7800 50 0001 C CNN
F 3 "" H 2250 7800 50 0001 C CNN
1 2250 7800
-1 0 0 -1
$EndComp
Wire Wire Line
2350 7700 2250 7700
Wire Wire Line
2250 7700 2250 7800
$Comp
L Amplifier_Audio:LM386 U7
U 1 1 6079E119
P 13300 2000
F 0 "U7" H 13644 2046 50 0000 L CNN
F 1 "LM386N-4" H 13644 1955 50 0000 L CNN
F 2 "" H 13400 2100 50 0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/lm386.pdf" H 13500 2200 50 0001 C CNN
1 13300 2000
1 0 0 -1
$EndComp
$Comp
L power:GNDREF #PWR034
U 1 1 607AFD33
P 13000 2550
F 0 "#PWR034" H 13000 2300 50 0001 C CNN
F 1 "GNDREF" H 13005 2377 50 0000 C CNN
F 2 "" H 13000 2550 50 0001 C CNN
F 3 "" H 13000 2550 50 0001 C CNN
1 13000 2550
1 0 0 -1
$EndComp
$Comp
L power:+15V #PWR031
U 1 1 607B11F4
P 13000 1600
F 0 "#PWR031" H 13000 1450 50 0001 C CNN
F 1 "+15V" H 13015 1773 50 0000 C CNN
F 2 "" H 13000 1600 50 0001 C CNN
F 3 "" H 13000 1600 50 0001 C CNN
1 13000 1600
1 0 0 -1
$EndComp
$Comp
L Device:CP C24
U 1 1 607B2909
P 13450 2650
F 0 "C24" V 13705 2650 50 0000 C CNN
F 1 "10uF" V 13614 2650 50 0000 C CNN
F 2 "" H 13488 2500 50 0001 C CNN
F 3 "~" H 13450 2650 50 0001 C CNN
1 13450 2650
0 -1 -1 0
$EndComp
Wire Wire Line
13200 2400 13000 2400
Wire Wire Line
13200 2300 13200 2400
Wire Wire Line
13300 2300 13300 2650
Wire Wire Line
13400 2300 13600 2300
Wire Wire Line
13600 2300 13600 2650
$Comp
L Device:CP C22
U 1 1 60836DA2
P 14350 2000
F 0 "C22" V 14605 2000 50 0000 C CNN
F 1 "250pF" V 14514 2000 50 0000 C CNN
F 2 "" H 14388 1850 50 0001 C CNN
F 3 "~" H 14350 2000 50 0001 C CNN
1 14350 2000
0 -1 -1 0
$EndComp
$Comp
L power:GNDREF #PWR033
U 1 1 6084D8C2
P 12750 1800
F 0 "#PWR033" H 12750 1550 50 0001 C CNN
F 1 "GNDREF" H 12755 1627 50 0000 C CNN
F 2 "" H 12750 1800 50 0001 C CNN
F 3 "" H 12750 1800 50 0001 C CNN
1 12750 1800
1 0 0 -1
$EndComp
$Comp
L Device:R_POT R24
U 1 1 6084E670
P 12400 2250
F 0 "R24" H 12331 2204 50 0000 R CNN
F 1 "10K" H 12331 2295 50 0000 R CNN
F 2 "Potentiometer_THT:Potentiometer_Vishay_148-149_Single_Horizontal" V 12330 2250 50 0001 C CNN
F 3 "~" H 12400 2250 50 0001 C CNN
1 12400 2250
1 0 0 1
$EndComp
$Comp
L Device:C C23
U 1 1 60871875
P 14100 2250
F 0 "C23" H 14215 2296 50 0000 L CNN
F 1 "0.05uF" H 14215 2205 50 0000 L CNN
F 2 "" H 14138 2100 50 0001 C CNN
F 3 "~" H 14100 2250 50 0001 C CNN
1 14100 2250
1 0 0 -1
$EndComp
$Comp
L Device:R R25
U 1 1 60872DD8
P 14100 2550
F 0 "R25" H 14170 2596 50 0000 L CNN
F 1 "10K" H 14170 2505 50 0000 L CNN
F 2 "" V 14030 2550 50 0001 C CNN
F 3 "~" H 14100 2550 50 0001 C CNN
1 14100 2550
1 0 0 -1
$EndComp
Wire Wire Line
13000 1900 13000 1750
Wire Wire Line
13000 1750 12750 1750
Wire Wire Line
12750 1750 12750 1800
Wire Wire Line
13000 2100 12900 2100
Wire Wire Line
12900 2250 12550 2250
Wire Wire Line
12400 2400 12400 2500
Wire Wire Line
12400 2500 13000 2500
Wire Wire Line
12250 2000 12400 2000
Wire Wire Line
12400 2000 12400 2100
Wire Wire Line
13200 1600 13200 1700
$Comp
L Device:C C21
U 1 1 60913A5C
P 13550 1600
F 0 "C21" V 13298 1600 50 0000 C CNN
F 1 "10-100 uF" V 13389 1600 50 0000 C CNN
F 2 "" H 13588 1450 50 0001 C CNN
F 3 "~" H 13550 1600 50 0001 C CNN
1 13550 1600
0 1 1 0
$EndComp
$Comp
L power:GNDREF #PWR032
U 1 1 60915929
P 13800 1600
F 0 "#PWR032" H 13800 1350 50 0001 C CNN
F 1 "GNDREF" H 13805 1427 50 0000 C CNN
F 2 "" H 13800 1600 50 0001 C CNN
F 3 "" H 13800 1600 50 0001 C CNN
1 13800 1600
1 0 0 -1
$EndComp
Wire Wire Line
13400 1600 13300 1600
Wire Wire Line
13300 1600 13300 1700
Wire Wire Line
13700 1600 13800 1600
Wire Wire Line
13000 1600 13200 1600
Wire Wire Line
13600 2000 14100 2000
Wire Wire Line
14100 2000 14100 2100
Connection ~ 14100 2000
Wire Wire Line
14100 2000 14200 2000
Wire Wire Line
13000 2400 13000 2500
Connection ~ 13000 2500
Wire Wire Line
13000 2500 13000 2550
Wire Wire Line
12900 2100 12900 2250
$Comp
L power:GNDREF #PWR035
U 1 1 609E4DD0
P 14100 2700
F 0 "#PWR035" H 14100 2450 50 0001 C CNN
F 1 "GNDREF" H 14105 2527 50 0000 C CNN
F 2 "" H 14100 2700 50 0001 C CNN
F 3 "" H 14100 2700 50 0001 C CNN
1 14100 2700
1 0 0 -1
$EndComp
Wire Wire Line
14500 2000 14600 2000
Wire Wire Line
14600 2000 14600 1900
Wire Wire Line
14600 1800 15000 1800
Wire Wire Line
15000 1900 14600 1900
Connection ~ 14600 1900
Wire Wire Line
14600 1800 14600 1900
Text Notes 9950 7000 0 50 ~ 0
TODO: VU Meter !!!!
Text GLabel 8450 6600 0 50 Input ~ 0
Mic1
$Comp
L Amplifier_Operational:LM358 U1
U 1 1 60A8F329
P 5350 2250
F 0 "U1" H 5350 1883 50 0000 C CNN
F 1 "LM833N" H 5350 1974 50 0000 C CNN
F 2 "Package_DIP:DIP-8_W7.62mm" H 5350 2250 50 0001 C CNN
F 3 "" H 5350 2250 50 0001 C CNN
1 5350 2250
1 0 0 1
$EndComp
$Comp
L Device:C C25
U 1 1 60AA92C3
P 5200 1150
F 0 "C25" V 4948 1150 50 0000 C CNN
F 1 "0.1uF" V 5039 1150 50 0000 C CNN
F 2 "" H 5238 1000 50 0001 C CNN
F 3 "~" H 5200 1150 50 0001 C CNN
1 5200 1150
0 1 1 0
$EndComp
$Comp
L Device:R R26
U 1 1 60AAAB08
P 5200 1550
F 0 "R26" V 4993 1550 50 0000 C CNN
F 1 "120R" V 5084 1550 50 0000 C CNN
F 2 "" V 5130 1550 50 0001 C CNN
F 3 "~" H 5200 1550 50 0001 C CNN
1 5200 1550
0 1 1 0
$EndComp
$Comp
L Device:R_POT R27
U 1 1 60B0D55A
P 5600 1550
F 0 "R27" V 5485 1550 50 0000 C CNN
F 1 "25K" V 5394 1550 50 0000 C CNN
F 2 "Potentiometer_THT:Potentiometer_Vishay_148-149_Single_Horizontal" V 5530 1550 50 0001 C CNN
F 3 "~" H 5600 1550 50 0001 C CNN
1 5600 1550
0 -1 -1 0
$EndComp
$Comp
L power:GNDREF #PWR0111
U 1 1 60BBC462
P 4950 2550
F 0 "#PWR0111" H 4950 2300 50 0001 C CNN
F 1 "GNDREF" H 4955 2377 50 0000 C CNN
F 2 "" H 4950 2550 50 0001 C CNN
F 3 "" H 4950 2550 50 0001 C CNN
1 4950 2550
1 0 0 -1
$EndComp
Wire Wire Line
5050 1550 4950 1550
Wire Wire Line
4950 2150 5050 2150
Wire Wire Line
4950 1150 5050 1150
Wire Wire Line
4950 1150 4950 1550
Connection ~ 4950 1550
Wire Wire Line
5350 1550 5450 1550
Wire Wire Line
5350 1150 5700 1150
Wire Wire Line
5700 1150 5700 1400
Wire Wire Line
5700 1400 5600 1400
Wire Wire Line
5700 1400 5850 1400
Wire Wire Line
5850 1400 5850 2250
Wire Wire Line
5850 2250 5650 2250
Connection ~ 5700 1400
Wire Wire Line
5850 2250 6800 2250
Connection ~ 5850 2250
Wire Wire Line
5050 2350 4950 2350
Wire Wire Line
4950 2350 4950 2550
Wire Wire Line
4950 1550 4950 2000
Wire Wire Line
4500 2000 4950 2000
Connection ~ 4950 2000
Wire Wire Line
4950 2000 4950 2150
$Comp
L Switch:SW_Push_Open SW1
U 1 1 60D151FD
P 6050 1050
F 0 "SW1" H 6050 1265 50 0000 C CNN
F 1 "Mute_1" H 6050 1174 50 0000 C CNN
F 2 "" H 6050 1250 50 0001 C CNN
F 3 "~" H 6050 1250 50 0001 C CNN
1 6050 1050
1 0 0 -1
$EndComp
$Comp
L Switch:SW_SPST_LED SW2
U 1 1 60D16A9A
P 6750 1050
F 0 "SW2" H 6750 1385 50 0000 C CNN
F 1 "OnAir_1" H 6750 1294 50 0000 C CNN
F 2 "" H 6750 1350 50 0001 C CNN
F 3 "~" H 6750 1350 50 0001 C CNN
1 6750 1050
1 0 0 -1
$EndComp
NoConn ~ 5750 1550
$EndSCHEMATC