jannik/c3lingo-interpreter-unit
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c3lingo-interpreter-unit/schematics/c3lingo_unit-assembly/c3lingo_unit-mix_io/c3lingo_unit-mix_io.sch
Jannik Beyerstedt 65fc825250 [FIX] Schematics: Revised values and PCB errata text 
* fixed trim pot range at VU meter
* TODOs removed (5V V_LED didn't work out, 10uF at LM386 wasn't better, VU meter filtering not needed)
* phantom power voltage changed and readme chapter added
* hardware errata: gain pot. pins are swapped, ground plane isn't fully connected

Footprints and PCB aren't fixed to keep the schematic compatible with the existing PCBs!
2021-09-05 20:08:08 +02:00

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EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 2 5
Title "c3lingo interpeter unit -- mix and line I/O"
Date "2021-09-02"
Rev "v0.2.1"
Comp "Jannik Beyerstedt (jtbx)"
Comment1 "Prototype 1 (with errata)"
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L Connector:XLR3_AudioJack3_Combo_Ground J201
U 1 1 5F81B01C
P 2500 1850
F 0 "J201" H 2500 2215 50 0000 C CNN
F 1 "Stage Line-In" H 2500 2124 50 0000 C CNN
F 2 "Connector_Audio:Jack_XLR-6.35mm_Neutrik_NCJ6FA-H_Horizontal" H 2500 1850 50 0001 C CNN
F 3 "https://www.neutrik.com/media/8443/download/ncj6fah-2.pdf" H 2500 1850 50 0001 C CNN
F 4 "NCJ6FA-H (Horiz. Combo Jack)" H 2500 1850 50 0001 C CNN "Model"
1 2500 1850
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0207
U 1 1 5F8EECF1
P 2150 2750
F 0 "#PWR0207" H 2150 2500 50 0001 C CNN
F 1 "GND" H 2155 2577 50 0000 C CNN
F 2 "" H 2150 2750 50 0001 C CNN
F 3 "" H 2150 2750 50 0001 C CNN
1 2150 2750
1 0 0 -1
$EndComp
Wire Wire Line
2100 1950 2100 1350
Wire Wire Line
2100 1350 2800 1350
Wire Wire Line
2500 2150 2500 2250
Wire Wire Line
2000 2250 2000 1850
$Comp
L Amplifier_Operational:LM358 U201
U 1 1 5F810C7D
P 4800 2000
F 0 "U201" H 4800 1633 50 0000 C CNN
F 1 "LM833N" H 4800 1724 50 0000 C CNN
F 2 "Package_DIP:DIP-8_W7.62mm_Socket_LongPads" H 4800 2000 50 0001 C CNN
F 3 "https://www.ti.com/lit/ds/symlink/lm833.pdf" H 4800 2000 50 0001 C CNN
F 4 "+DIP-8 Socket" H 4800 2000 50 0001 C CNN "Model"
1 4800 2000
1 0 0 1
$EndComp
$Comp
L Amplifier_Operational:LM358 U201
U 2 1 5F926E3F
P 7400 2200
F 0 "U201" H 7400 1833 50 0000 C CNN
F 1 "LM833N" H 7400 1924 50 0000 C CNN
F 2 "Package_DIP:DIP-8_W7.62mm_Socket_LongPads" H 7400 2200 50 0001 C CNN
F 3 "https://www.ti.com/lit/ds/symlink/lm833.pdf" H 7400 2200 50 0001 C CNN
F 4 "+DIP-8 Socket" H 7400 2200 50 0001 C CNN "Model"
2 7400 2200
1 0 0 1
$EndComp
$Comp
L Device:C C201
U 1 1 5FA035F7
P 6250 1500
F 0 "C201" V 5998 1500 50 0000 C CNN
F 1 "47pF" V 6089 1500 50 0000 C CNN
F 2 "Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P5.00mm" H 6288 1350 50 0001 C CNN
F 3 "~" H 6250 1500 50 0001 C CNN
1 6250 1500
0 1 1 0
$EndComp
$Comp
L Device:R R203
U 1 1 5FA03CB6
P 4150 1750
F 0 "R203" V 3943 1750 50 0000 C CNN
F 1 "10K" V 4034 1750 50 0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 4080 1750 50 0001 C CNN
F 3 "~" H 4150 1750 50 0001 C CNN
1 4150 1750
0 1 1 0
$EndComp
$Comp
L Device:R R208
U 1 1 5FA17C1B
P 4150 2250
F 0 "R208" V 4265 2250 50 0000 C CNN
F 1 "10K" V 4356 2250 50 0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 4080 2250 50 0001 C CNN
F 3 "~" H 4150 2250 50 0001 C CNN
1 4150 2250
0 1 1 0
$EndComp
$Comp
L Device:R R201
U 1 1 5FA193EC
P 4850 1450
F 0 "R201" V 4643 1450 50 0000 C CNN
F 1 "10K" V 4734 1450 50 0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 4780 1450 50 0001 C CNN
F 3 "~" H 4850 1450 50 0001 C CNN
1 4850 1450
0 1 1 0
$EndComp
$Comp
L Device:R R209
U 1 1 5FA1F9D1
P 4400 2450
F 0 "R209" H 4470 2496 50 0000 L CNN
F 1 "10K" H 4470 2405 50 0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 4330 2450 50 0001 C CNN
F 3 "~" H 4400 2450 50 0001 C CNN
1 4400 2450
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0206
U 1 1 5FA228C1
P 4400 2600
F 0 "#PWR0206" H 4400 2350 50 0001 C CNN
F 1 "GND" H 4405 2427 50 0000 C CNN
F 2 "" H 4400 2600 50 0001 C CNN
F 3 "" H 4400 2600 50 0001 C CNN
1 4400 2600
1 0 0 -1
$EndComp
Wire Wire Line
4300 2250 4400 2250
Wire Wire Line
4400 2100 4500 2100
Wire Wire Line
4300 1750 4400 1750
Wire Wire Line
4400 1900 4500 1900
Wire Wire Line
4400 1450 4700 1450
Wire Wire Line
5000 1450 5200 1450
Wire Wire Line
5200 1450 5200 2000
Wire Wire Line
5200 2000 5100 2000
$Comp
L Device:R R206
U 1 1 5FAA4C23
P 5650 2000
F 0 "R206" V 5443 2000 50 0000 C CNN
F 1 "47K" V 5534 2000 50 0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 5580 2000 50 0001 C CNN
F 3 "~" H 5650 2000 50 0001 C CNN
1 5650 2000
0 1 1 0
$EndComp
$Comp
L Device:R R204
U 1 1 5FAC6B3E
P 6250 1900
F 0 "R204" V 6043 1900 50 0000 C CNN
F 1 "22K" V 6134 1900 50 0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 6180 1900 50 0001 C CNN
F 3 "~" H 6250 1900 50 0001 C CNN
1 6250 1900
0 1 1 0
$EndComp
$Comp
L Device:R_POT RV201
U 1 1 5FAC97E9
P 6650 1900
F 0 "RV201" V 6535 1900 50 0000 C CNN
F 1 "100K" V 6444 1900 50 0000 C CNN
F 2 "Potentiometer_THT:Potentiometer_Vishay_T73XX_Horizontal" H 6650 1900 50 0001 C CNN
F 3 "https://www.vishay.com/docs/57028/64.pdf" H 6650 1900 50 0001 C CNN
F 4 "Vishay M64Y104" H 6650 1900 50 0001 C CNN "Model"
1 6650 1900
0 -1 -1 0
$EndComp
Wire Wire Line
6000 1900 6100 1900
Wire Wire Line
6000 1900 6000 1500
Wire Wire Line
6000 1500 6100 1500
Connection ~ 6000 1900
Wire Wire Line
6650 1750 6650 1650
Wire Wire Line
6650 1650 6750 1650
Wire Wire Line
6750 1650 6750 1500
Wire Wire Line
6750 1500 6400 1500
Wire Wire Line
6400 1900 6500 1900
$Comp
L power:GND #PWR0205
U 1 1 5FAF156D
P 7000 2500
F 0 "#PWR0205" H 7000 2250 50 0001 C CNN
F 1 "GND" H 7005 2327 50 0000 C CNN
F 2 "" H 7000 2500 50 0001 C CNN
F 3 "" H 7000 2500 50 0001 C CNN
1 7000 2500
1 0 0 -1
$EndComp
Wire Wire Line
7800 1650 7800 2000
Wire Wire Line
7800 2200 7700 2200
Wire Wire Line
7100 2300 7000 2300
Wire Wire Line
7000 2300 7000 2500
Wire Wire Line
6900 2100 6900 2200
Connection ~ 6750 1650
Wire Wire Line
6000 1900 6000 2000
Connection ~ 5200 2000
Connection ~ 7800 2000
Wire Wire Line
7800 2000 7800 2200
Wire Wire Line
6900 2100 7100 2100
Wire Wire Line
6750 1650 7800 1650
Wire Wire Line
1950 1950 2100 1950
Wire Wire Line
1950 1750 2200 1750
Wire Wire Line
2000 1850 1950 1850
$Comp
L Connector:XLR3_AudioJack3_Combo_Ground J201
U 2 1 5F81E1F3
P 1750 1850
F 0 "J201" H 1750 2215 50 0000 C CNN
F 1 "Stage Line-In" H 1750 2124 50 0000 C CNN
F 2 "Connector_Audio:Jack_XLR-6.35mm_Neutrik_NCJ6FA-H_Horizontal" H 1750 1850 50 0001 C CNN
F 3 "https://www.neutrik.com/media/8443/download/ncj6fah-2.pdf" H 1750 1850 50 0001 C CNN
F 4 "Combo XLR + 6.3 mm Jack" H 1750 1850 50 0001 C CNN "Model"
2 1750 1850
1 0 0 -1
$EndComp
NoConn ~ 6800 1900
Connection ~ 2500 2250
$Comp
L Connector:TestPoint TP201
U 1 1 5FC8BE08
P 8100 2000
F 0 "TP201" H 8100 2325 50 0000 C CNN
F 1 "Stage" H 8100 2234 50 0000 C CNN
F 2 "TestPoint:TestPoint_THTPad_D2.0mm_Drill1.0mm" H 8300 2000 50 0001 C CNN
F 3 "~" H 8300 2000 50 0001 C CNN
1 8100 2000
1 0 0 -1
$EndComp
Connection ~ 8100 2000
Wire Wire Line
8100 2000 8150 2000
Text Notes 3150 3100 0 50 ~ 10
Balanced Line Input Converter\nGain: 1\n220pF for HF rolloff (20 kHz)
$Comp
L Device:R R202
U 1 1 601CC821
P 3650 1750
F 0 "R202" V 3857 1750 50 0000 C CNN
F 1 "10K" V 3766 1750 50 0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 3580 1750 50 0001 C CNN
F 3 "~" H 3650 1750 50 0001 C CNN
1 3650 1750
0 -1 -1 0
$EndComp
$Comp
L Device:C C202
U 1 1 601CD9A5
P 3900 2000
F 0 "C202" H 4015 2046 50 0000 L CNN
F 1 "220pF" H 4015 1955 50 0000 L CNN
F 2 "Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P5.00mm" H 3938 1850 50 0001 C CNN
F 3 "~" H 3900 2000 50 0001 C CNN
1 3900 2000
1 0 0 -1
$EndComp
$Comp
L Device:R R207
U 1 1 601CF7CB
P 3650 2250
F 0 "R207" V 3857 2250 50 0000 C CNN
F 1 "10K" V 3766 2250 50 0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 3580 2250 50 0001 C CNN
F 3 "~" H 3650 2250 50 0001 C CNN
1 3650 2250
0 -1 -1 0
$EndComp
$Comp
L Device:R R205
U 1 1 601D068B
P 3300 2000
F 0 "R205" H 3230 1954 50 0000 R CNN
F 1 "3.3K" H 3230 2045 50 0000 R CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 3230 2000 50 0001 C CNN
F 3 "~" H 3300 2000 50 0001 C CNN
1 3300 2000
-1 0 0 1
$EndComp
Connection ~ 4400 1750
Wire Wire Line
4400 1750 4400 1450
Wire Wire Line
4400 1750 4400 1900
Connection ~ 4400 2250
Wire Wire Line
4400 2250 4400 2300
Wire Wire Line
4400 2100 4400 2250
Wire Wire Line
3300 1750 3300 1850
Wire Wire Line
3300 1750 3500 1750
Wire Wire Line
3300 2150 3300 2250
Wire Wire Line
3300 2250 3500 2250
Wire Wire Line
3800 2250 3900 2250
Wire Wire Line
3900 2250 3900 2150
Wire Wire Line
3800 1750 3900 1750
Wire Wire Line
3900 1750 3900 1850
Wire Wire Line
3900 1750 4000 1750
Connection ~ 3900 1750
Wire Wire Line
3900 2250 4000 2250
Connection ~ 3900 2250
Wire Wire Line
6000 2200 6900 2200
Wire Wire Line
5800 2000 6000 2000
Connection ~ 6000 2000
Wire Wire Line
6000 2000 6000 2200
Wire Wire Line
2000 2250 2500 2250
Wire Wire Line
2900 1750 3300 1750
Wire Wire Line
2900 1750 2900 1850
Connection ~ 3300 2250
Wire Wire Line
2500 2250 3300 2250
Connection ~ 3300 1750
Wire Wire Line
7800 2000 8100 2000
Wire Wire Line
5200 2000 5500 2000
Wire Wire Line
4950 4500 5300 4500
Wire Wire Line
8000 4150 8000 4050
Connection ~ 8000 4150
Wire Wire Line
8200 4150 8000 4150
Wire Wire Line
8000 4550 8000 4650
Connection ~ 8000 4550
Wire Wire Line
8000 4550 8500 4550
Wire Wire Line
4750 4800 4950 4800
$Comp
L Device:R R210
U 1 1 5FD14A6B
P 3400 4150
F 0 "R210" V 3193 4150 50 0000 C CNN
F 1 "22K" V 3284 4150 50 0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 3330 4150 50 0001 C CNN
F 3 "~" H 3400 4150 50 0001 C CNN
1 3400 4150
0 1 1 0
$EndComp
$Comp
L Device:R R212
U 1 1 5FD2515A
P 3400 4500
F 0 "R212" V 3193 4500 50 0000 C CNN
F 1 "22K" V 3284 4500 50 0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 3330 4500 50 0001 C CNN
F 3 "~" H 3400 4500 50 0001 C CNN
1 3400 4500
0 1 1 0
$EndComp
Wire Wire Line
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Wire Wire Line
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Connection ~ 3950 4700
Wire Wire Line
3000 4850 3250 4850
Wire Wire Line
3000 4500 3250 4500
$Comp
L Connector:TestPoint TP205
U 1 1 5FC9BB36
P 3000 4850
F 0 "TP205" H 3058 4968 50 0000 L CNN
F 1 "Mic3" H 3058 4877 50 0000 L CNN
F 2 "TestPoint:TestPoint_THTPad_D2.0mm_Drill1.0mm" H 3200 4850 50 0001 C CNN
F 3 "~" H 3200 4850 50 0001 C CNN
1 3000 4850
1 0 0 -1
$EndComp
$Comp
L Connector:TestPoint TP203
U 1 1 5FC9B2AB
P 3000 4500
F 0 "TP203" H 3058 4618 50 0000 L CNN
F 1 "Mic2" H 3058 4527 50 0000 L CNN
F 2 "TestPoint:TestPoint_THTPad_D2.0mm_Drill1.0mm" H 3200 4500 50 0001 C CNN
F 3 "~" H 3200 4500 50 0001 C CNN
1 3000 4500
1 0 0 -1
$EndComp
Wire Wire Line
3000 4150 3250 4150
Connection ~ 3000 4150
$Comp
L Connector:TestPoint TP202
U 1 1 5FC9AA71
P 3000 4150
F 0 "TP202" H 3000 4475 50 0000 C CNN
F 1 "Mic1" H 3000 4384 50 0000 C CNN
F 2 "TestPoint:TestPoint_THTPad_D2.0mm_Drill1.0mm" H 3200 4150 50 0001 C CNN
F 3 "~" H 3200 4150 50 0001 C CNN
1 3000 4150
1 0 0 -1
$EndComp
Connection ~ 5300 4500
$Comp
L Connector:TestPoint TP204
U 1 1 5FC8F283
P 5300 4500
F 0 "TP204" H 5300 4825 50 0000 C CNN
F 1 "MicSum" H 5300 4734 50 0000 C CNN
F 2 "TestPoint:TestPoint_THTPad_D2.0mm_Drill1.0mm" H 5500 4500 50 0001 C CNN
F 3 "~" H 5500 4500 50 0001 C CNN
1 5300 4500
1 0 0 -1
$EndComp
Wire Wire Line
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Wire Wire Line
6200 4050 6300 4050
Connection ~ 6200 4050
Wire Wire Line
6100 4050 6200 4050
Wire Wire Line
5700 4050 5800 4050
Wire Wire Line
5700 4150 5700 4050
Wire Wire Line
5700 4950 5700 5050
Wire Wire Line
5800 4950 5700 4950
Wire Wire Line
6200 4950 6300 4950
Connection ~ 6200 4950
Wire Wire Line
6200 4950 6200 5050
Wire Wire Line
6100 4950 6200 4950
Wire Wire Line
8000 4650 7900 4650
Wire Wire Line
8000 4500 8000 4550
Wire Wire Line
7900 4500 8000 4500
Wire Wire Line
8000 4050 7900 4050
Wire Wire Line
8000 4200 8000 4150
Wire Wire Line
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Wire Wire Line
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Wire Wire Line
8000 4950 8000 5050
Wire Wire Line
7900 4950 8000 4950
$Comp
L power:GND #PWR0219
U 1 1 6049ECFC
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F 0 "#PWR0219" H 8000 4800 50 0001 C CNN
F 1 "GND" H 8005 4877 50 0000 C CNN
F 2 "" H 8000 5050 50 0001 C CNN
F 3 "" H 8000 5050 50 0001 C CNN
1 8000 5050
1 0 0 -1
$EndComp
$Comp
L Device:C C206
U 1 1 604659B0
P 5950 4050
F 0 "C206" V 5698 4050 50 0000 C CNN
F 1 "100nF" V 5789 4050 50 0000 C CNN
F 2 "Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P5.00mm" H 5988 3900 50 0001 C CNN
F 3 "~" H 5950 4050 50 0001 C CNN
1 5950 4050
0 1 1 0
$EndComp
$Comp
L Device:C C209
U 1 1 60444365
P 5950 4950
F 0 "C209" V 5698 4950 50 0000 C CNN
F 1 "100nF" V 5789 4950 50 0000 C CNN
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F 3 "~" H 5950 4950 50 0001 C CNN
1 5950 4950
0 1 1 0
$EndComp
$Comp
L power:GND #PWR0217
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P 5700 5050
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F 3 "" H 5700 5050 50 0001 C CNN
1 5700 5050
1 0 0 -1
$EndComp
$Comp
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F 2 "" H 5700 4150 50 0001 C CNN
F 3 "" H 5700 4150 50 0001 C CNN
1 5700 4150
1 0 0 -1
$EndComp
$Comp
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U 1 1 60441414
P 6200 3950
F 0 "#PWR0209" H 6200 3800 50 0001 C CNN
F 1 "+15V" H 6215 4123 50 0000 C CNN
F 2 "" H 6200 3950 50 0001 C CNN
F 3 "" H 6200 3950 50 0001 C CNN
1 6200 3950
1 0 0 -1
$EndComp
$Comp
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U 1 1 6044025E
P 6200 5050
F 0 "#PWR0218" H 6200 5150 50 0001 C CNN
F 1 "-15V" H 6215 5223 50 0000 C CNN
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F 3 "" H 6200 5050 50 0001 C CNN
1 6200 5050
-1 0 0 1
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F 4 "+DIP-8 Socket" H 6300 4200 50 0001 C CNN "Model"
1 6300 4200
1 0 0 -1
$EndComp
Wire Wire Line
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Wire Wire Line
3650 4700 3650 4850
Connection ~ 3650 4700
Wire Wire Line
3650 4700 3950 4700
Wire Wire Line
2950 4150 3000 4150
Wire Wire Line
3950 4900 3950 5100
Wire Wire Line
4050 4900 3950 4900
Connection ~ 4750 4800
Connection ~ 4750 4300
Wire Wire Line
4750 4800 4650 4800
Wire Wire Line
4750 4300 4750 4800
Wire Wire Line
4750 3950 4350 3950
Wire Wire Line
4750 4300 4750 3950
Wire Wire Line
4650 4300 4750 4300
Connection ~ 3950 4300
Wire Wire Line
3950 3950 4050 3950
Wire Wire Line
3950 4300 3950 3950
Text Notes 6600 5300 0 50 ~ 10
Line driver\nGain: 6 dB
$Comp
L power:GND #PWR0220
U 1 1 5FD7D2A6
P 3950 5100
F 0 "#PWR0220" H 3950 4850 50 0001 C CNN
F 1 "GND" H 3955 4927 50 0000 C CNN
F 2 "" H 3950 5100 50 0001 C CNN
F 3 "" H 3950 5100 50 0001 C CNN
1 3950 5100
1 0 0 -1
$EndComp
Wire Wire Line
3950 4300 4350 4300
Wire Wire Line
4050 4700 3950 4700
Connection ~ 3650 4500
Wire Wire Line
3650 4850 3550 4850
Wire Wire Line
3650 4500 3650 4700
Wire Wire Line
3650 4500 3550 4500
Wire Wire Line
3650 4150 3650 4500
Wire Wire Line
3550 4150 3650 4150
Text Notes 3150 5300 0 50 ~ 10
Summing Module\nGain: 0 dB
$Comp
L Device:C C205
U 1 1 5FD269DB
P 4200 3950
F 0 "C205" V 3948 3950 50 0000 C CNN
F 1 "22pF" V 4039 3950 50 0000 C CNN
F 2 "Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P5.00mm" H 4238 3800 50 0001 C CNN
F 3 "~" H 4200 3950 50 0001 C CNN
1 4200 3950
0 1 1 0
$EndComp
$Comp
L Device:R R211
U 1 1 5FD25F73
P 4500 4300
F 0 "R211" V 4293 4300 50 0000 C CNN
F 1 "22K" V 4384 4300 50 0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 4430 4300 50 0001 C CNN
F 3 "~" H 4500 4300 50 0001 C CNN
1 4500 4300
0 1 1 0
$EndComp
$Comp
L Device:R R213
U 1 1 5FD258D7
P 3400 4850
F 0 "R213" V 3193 4850 50 0000 C CNN
F 1 "22K" V 3284 4850 50 0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 3330 4850 50 0001 C CNN
F 3 "~" H 3400 4850 50 0001 C CNN
1 3400 4850
0 1 1 0
$EndComp
$Comp
L Amplifier_Operational:LM358 U203
U 3 1 5FCF1284
P 1500 4450
F 0 "U203" V 1175 4450 50 0000 C CNN
F 1 "LM833N" V 1266 4450 50 0000 C CNN
F 2 "Package_DIP:DIP-8_W7.62mm_Socket_LongPads" H 1500 4450 50 0001 C CNN
F 3 "https://www.ti.com/lit/ds/symlink/lm833.pdf" H 1500 4450 50 0001 C CNN
F 4 "+DIP-8 Socket" H 1500 4450 50 0001 C CNN "Model"
3 1500 4450
0 1 1 0
$EndComp
$Comp
L power:-15V #PWR0211
U 1 1 5FCF127E
P 1100 4250
F 0 "#PWR0211" H 1100 4350 50 0001 C CNN
F 1 "-15V" H 1115 4423 50 0000 C CNN
F 2 "" H 1100 4250 50 0001 C CNN
F 3 "" H 1100 4250 50 0001 C CNN
1 1100 4250
1 0 0 -1
$EndComp
$Comp
L power:+15V #PWR0212
U 1 1 5FCF1278
P 1900 4250
F 0 "#PWR0212" H 1900 4100 50 0001 C CNN
F 1 "+15V" H 1915 4423 50 0000 C CNN
F 2 "" H 1900 4250 50 0001 C CNN
F 3 "" H 1900 4250 50 0001 C CNN
1 1900 4250
1 0 0 -1
$EndComp
Wire Wire Line
1800 4350 1900 4350
Wire Wire Line
1900 4350 1900 4250
Wire Wire Line
1900 4350 1900 4450
Connection ~ 1900 4350
Wire Wire Line
1100 4350 1100 4450
Wire Wire Line
1100 4250 1100 4350
Connection ~ 1100 4350
Wire Wire Line
1100 4350 1200 4350
$Comp
L Device:C C208
U 1 1 5FCF126A
P 1900 4600
F 0 "C208" H 1785 4554 50 0000 R CNN
F 1 "100nF" H 1785 4645 50 0000 R CNN
F 2 "Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P5.00mm" H 1938 4450 50 0001 C CNN
F 3 "~" H 1900 4600 50 0001 C CNN
1 1900 4600
-1 0 0 1
$EndComp
$Comp
L Device:C C207
U 1 1 5FCF1264
P 1100 4600
F 0 "C207" H 985 4554 50 0000 R CNN
F 1 "100nF" H 985 4645 50 0000 R CNN
F 2 "Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P5.00mm" H 1138 4450 50 0001 C CNN
F 3 "~" H 1100 4600 50 0001 C CNN
1 1100 4600
-1 0 0 1
$EndComp
$Comp
L power:GND #PWR0213
U 1 1 5FCF125E
P 1100 4750
F 0 "#PWR0213" H 1100 4500 50 0001 C CNN
F 1 "GND" H 1105 4577 50 0000 C CNN
F 2 "" H 1100 4750 50 0001 C CNN
F 3 "" H 1100 4750 50 0001 C CNN
1 1100 4750
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0214
U 1 1 5FCF1258
P 1900 4750
F 0 "#PWR0214" H 1900 4500 50 0001 C CNN
F 1 "GND" H 1905 4577 50 0000 C CNN
F 2 "" H 1900 4750 50 0001 C CNN
F 3 "" H 1900 4750 50 0001 C CNN
1 1900 4750
1 0 0 -1
$EndComp
$Comp
L Amplifier_Operational:LM358 U203
U 1 1 5FCC6AFD
P 4350 4800
F 0 "U203" H 4350 4433 50 0000 C CNN
F 1 "LM833N" H 4350 4524 50 0000 C CNN
F 2 "Package_DIP:DIP-8_W7.62mm_Socket_LongPads" H 4350 4800 50 0001 C CNN
F 3 "https://www.ti.com/lit/ds/symlink/lm833.pdf" H 4350 4800 50 0001 C CNN
F 4 "+DIP-8 Socket" H 4350 4800 50 0001 C CNN "Model"
1 4350 4800
1 0 0 1
$EndComp
$Comp
L Connector:XLR3_Ground J202
U 1 1 5F82013F
P 8500 4150
F 0 "J202" H 8500 4515 50 0000 C CNN
F 1 "Mix Line-Out" H 8500 4424 50 0000 C CNN
F 2 "Connector_Audio:Jack_XLR_Neutrik_NC3MAAH_Horizontal" H 8500 4150 50 0001 C CNN
F 3 "https://www.neutrik.com/media/8341/download/nc3maah-1.pdf" H 8500 4150 50 0001 C CNN
F 4 "NC3MAAH (Horiz. XLR Male)" H 8500 4150 50 0001 C CNN "Model"
1 8500 4150
-1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0204
U 1 1 5F93633D
P 9900 2250
F 0 "#PWR0204" H 9900 2000 50 0001 C CNN
F 1 "GND" H 9905 2077 50 0000 C CNN
F 2 "" H 9900 2250 50 0001 C CNN
F 3 "" H 9900 2250 50 0001 C CNN
1 9900 2250
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0203
U 1 1 5F9381DA
P 9100 2250
F 0 "#PWR0203" H 9100 2000 50 0001 C CNN
F 1 "GND" H 9105 2077 50 0000 C CNN
F 2 "" H 9100 2250 50 0001 C CNN
F 3 "" H 9100 2250 50 0001 C CNN
1 9100 2250
1 0 0 -1
$EndComp
$Comp
L Device:C C203
U 1 1 5F93A49E
P 9100 2100
F 0 "C203" H 8985 2054 50 0000 R CNN
F 1 "100nF" H 8985 2145 50 0000 R CNN
F 2 "Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P5.00mm" H 9138 1950 50 0001 C CNN
F 3 "~" H 9100 2100 50 0001 C CNN
1 9100 2100
-1 0 0 1
$EndComp
$Comp
L Device:C C204
U 1 1 5F93AE68
P 9900 2100
F 0 "C204" H 9785 2054 50 0000 R CNN
F 1 "100nF" H 9785 2145 50 0000 R CNN
F 2 "Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P5.00mm" H 9938 1950 50 0001 C CNN
F 3 "~" H 9900 2100 50 0001 C CNN
1 9900 2100
-1 0 0 1
$EndComp
Wire Wire Line
9100 1850 9200 1850
Connection ~ 9100 1850
Wire Wire Line
9100 1750 9100 1850
Wire Wire Line
9100 1850 9100 1950
$Comp
L power:+15V #PWR0202
U 1 1 5F939835
P 9900 1750
F 0 "#PWR0202" H 9900 1600 50 0001 C CNN
F 1 "+15V" H 9915 1923 50 0000 C CNN
F 2 "" H 9900 1750 50 0001 C CNN
F 3 "" H 9900 1750 50 0001 C CNN
1 9900 1750
1 0 0 -1
$EndComp
$Comp
L power:-15V #PWR0201
U 1 1 5F938A79
P 9100 1750
F 0 "#PWR0201" H 9100 1850 50 0001 C CNN
F 1 "-15V" H 9115 1923 50 0000 C CNN
F 2 "" H 9100 1750 50 0001 C CNN
F 3 "" H 9100 1750 50 0001 C CNN
1 9100 1750
1 0 0 -1
$EndComp
$Comp
L Amplifier_Operational:LM358 U201
U 3 1 5F92849F
P 9500 1950
F 0 "U201" V 9175 1950 50 0000 C CNN
F 1 "LM833N" V 9266 1950 50 0000 C CNN
F 2 "Package_DIP:DIP-8_W7.62mm_Socket_LongPads" H 9500 1950 50 0001 C CNN
F 3 "https://www.ti.com/lit/ds/symlink/lm833.pdf" H 9500 1950 50 0001 C CNN
F 4 "+DIP-8 Socket" H 9500 1950 50 0001 C CNN "Model"
3 9500 1950
0 1 1 0
$EndComp
Wire Wire Line
9800 1850 9900 1850
Wire Wire Line
9900 1850 9900 1750
Wire Wire Line
9900 1850 9900 1950
Connection ~ 9900 1850
Text Notes 5400 3150 0 50 ~ 10
Input Module\nGain: -6 to +8 dB\nGain = (R_pot + R_22k) / R_47k\nLP_filter(R_pot): 130 - 22 kHz
Text HLabel 8150 2000 2 50 Output ~ 0
StageSignal
Text HLabel 2950 4150 0 50 Input ~ 0
Mix_Ch1
Text HLabel 2950 4500 0 50 Input ~ 0
Mix_Ch2
Text HLabel 2950 4850 0 50 Input ~ 0
Mix_Ch3
Wire Wire Line
2950 4500 3000 4500
Connection ~ 3000 4500
Wire Wire Line
2950 4850 3000 4850
Connection ~ 3000 4850
Wire Wire Line
2200 1750 2200 1850
Connection ~ 2200 1850
Wire Wire Line
2800 1350 2800 1850
Wire Wire Line
2800 1850 2900 1850
Connection ~ 2800 1850
$Comp
L Jumper:SolderJumper_2_Open JP201
U 1 1 6330DA77
P 2300 2600
F 0 "JP201" H 2300 2805 50 0000 C CNN
F 1 "GND_JMP" H 2300 2714 50 0000 C CNN
F 2 "Jumper:SolderJumper-2_P1.3mm_Open_TrianglePad1.0x1.5mm" H 2300 2600 50 0001 C CNN
F 3 "~" H 2300 2600 50 0001 C CNN
1 2300 2600
1 0 0 -1
$EndComp
Wire Wire Line
2200 2400 2150 2400
Wire Wire Line
2150 2400 2150 2600
Wire Wire Line
2200 1850 2200 2400
Wire Wire Line
2400 2150 2400 2400
Wire Wire Line
2400 2400 2450 2400
Wire Wire Line
2450 2400 2450 2600
Connection ~ 2450 2600
$Comp
L power:GNDREF #PWR0208
U 1 1 6332BE86
P 2450 2750
F 0 "#PWR0208" H 2450 2500 50 0001 C CNN
F 1 "GNDREF" H 2455 2577 50 0000 C CNN
F 2 "" H 2450 2750 50 0001 C CNN
F 3 "" H 2450 2750 50 0001 C CNN
1 2450 2750
1 0 0 -1
$EndComp
Wire Wire Line
2150 2600 2150 2750
Connection ~ 2150 2600
$Comp
L power:GND #PWR0215
U 1 1 63342BC7
P 8900 4850
F 0 "#PWR0215" H 8900 4600 50 0001 C CNN
F 1 "GND" H 8905 4677 50 0000 C CNN
F 2 "" H 8900 4850 50 0001 C CNN
F 3 "" H 8900 4850 50 0001 C CNN
1 8900 4850
1 0 0 -1
$EndComp
$Comp
L Jumper:SolderJumper_2_Open JP202
U 1 1 63342BCD
P 8750 4750
F 0 "JP202" H 8750 4955 50 0000 C CNN
F 1 "GND_JMP" H 8750 4864 50 0000 C CNN
F 2 "Jumper:SolderJumper-2_P1.3mm_Open_TrianglePad1.0x1.5mm" H 8750 4750 50 0001 C CNN
F 3 "~" H 8750 4750 50 0001 C CNN
1 8750 4750
-1 0 0 -1
$EndComp
Wire Wire Line
8900 4750 8900 4850
Connection ~ 8900 4750
$Comp
L power:GNDREF #PWR0216
U 1 1 63342BD7
P 8600 4900
F 0 "#PWR0216" H 8600 4650 50 0001 C CNN
F 1 "GNDREF" H 8605 4727 50 0000 C CNN
F 2 "" H 8600 4900 50 0001 C CNN
F 3 "" H 8600 4900 50 0001 C CNN
1 8600 4900
1 0 0 -1
$EndComp
Wire Wire Line
8600 4750 8600 4900
Connection ~ 8600 4750
Wire Wire Line
8800 4150 8900 4150
Wire Wire Line
8900 4150 8900 4750
Wire Wire Line
8600 4450 8600 4750
$Comp
L power:GND #PWR0223
U 1 1 6338E071
P 3500 7500
F 0 "#PWR0223" H 3500 7250 50 0001 C CNN
F 1 "GND" H 3505 7327 50 0000 C CNN
F 2 "" H 3500 7500 50 0001 C CNN
F 3 "" H 3500 7500 50 0001 C CNN
1 3500 7500
1 0 0 -1
$EndComp
$Comp
L power:+15V #PWR0222
U 1 1 6338E077
P 3700 7200
F 0 "#PWR0222" H 3700 7050 50 0001 C CNN
F 1 "+15V" H 3715 7373 50 0000 C CNN
F 2 "" H 3700 7200 50 0001 C CNN
F 3 "" H 3700 7200 50 0001 C CNN
1 3700 7200
1 0 0 -1
$EndComp
$Comp
L power:-15V #PWR0221
U 1 1 6338E07D
P 3500 7100
F 0 "#PWR0221" H 3500 7200 50 0001 C CNN
F 1 "-15V" H 3515 7273 50 0000 C CNN
F 2 "" H 3500 7100 50 0001 C CNN
F 3 "" H 3500 7100 50 0001 C CNN
1 3500 7100
1 0 0 -1
$EndComp
Wire Wire Line
3700 7300 3700 7200
Wire Wire Line
3500 7400 3500 7500
$Comp
L Connector:Conn_01x03_Male J203
U 1 1 6338E085
P 3000 7300
F 0 "J203" H 3108 7581 50 0000 C CNN
F 1 "PowerSupply" H 3108 7490 50 0000 C CNN
F 2 "TerminalBlock_Phoenix:TerminalBlock_Phoenix_PTSM-0,5-3-2.5-H-THR_1x03_P2.50mm_Horizontal" H 3000 7300 50 0001 C CNN
F 3 "" H 3000 7300 50 0001 C CNN
F 4 "PTSM 0,5/ 3-2,5-H THR" H 3000 7300 50 0001 C CNN "Model"
1 3000 7300
1 0 0 1
$EndComp
Wire Wire Line
3200 7200 3500 7200
Wire Wire Line
3500 7200 3500 7100
Wire Wire Line
3200 7300 3700 7300
Wire Wire Line
3200 7400 3500 7400
$Comp
L Connector:Conn_01x04_Male J204
U 1 1 6338E09A
P 5500 7300
F 0 "J204" H 5473 7182 50 0000 R CNN
F 1 "Inputs" H 5473 7273 50 0000 R CNN
F 2 "TerminalBlock_Phoenix:TerminalBlock_Phoenix_PTSM-0,5-4-2.5-V-THR_1x04_P2.50mm_Vertical" H 5500 7300 50 0001 C CNN
F 3 "~" H 5500 7300 50 0001 C CNN
F 4 "PTSM 0,5/ 4-2,5-V THR" H 5500 7300 50 0001 C CNN "Model"
1 5500 7300
1 0 0 1
$EndComp
$Comp
L power:GND #PWR0224
U 1 1 6338E0A0
P 4900 7500
F 0 "#PWR0224" H 4900 7250 50 0001 C CNN
F 1 "GND" H 4905 7327 50 0000 C CNN
F 2 "" H 4900 7500 50 0001 C CNN
F 3 "" H 4900 7500 50 0001 C CNN
1 4900 7500
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0225
U 1 1 6338E0A6
P 5900 7500
F 0 "#PWR0225" H 5900 7250 50 0001 C CNN
F 1 "GND" H 5905 7327 50 0000 C CNN
F 2 "" H 5900 7500 50 0001 C CNN
F 3 "" H 5900 7500 50 0001 C CNN
1 5900 7500
1 0 0 -1
$EndComp
Wire Wire Line
4700 7400 4900 7400
Wire Wire Line
4900 7400 4900 7500
Wire Wire Line
5700 7100 5900 7100
Wire Wire Line
5900 7100 5900 7000
Wire Wire Line
5700 7200 6050 7200
Wire Wire Line
6050 7200 6050 7000
Wire Wire Line
5700 7300 6200 7300
Wire Wire Line
6200 7300 6200 7000
Wire Wire Line
5700 7400 5900 7400
Wire Wire Line
5900 7400 5900 7500
Wire Wire Line
4700 7300 4900 7300
Wire Wire Line
4900 7300 4900 7000
Text HLabel 4900 7000 1 50 Input ~ 0
StageSignal
Text HLabel 6200 7000 1 50 Output ~ 0
Mix_Ch1
Text HLabel 6050 7000 1 50 Output ~ 0
Mix_Ch2
Text HLabel 5900 7000 1 50 Output ~ 0
Mix_Ch3
Wire Wire Line
2450 2600 2450 2750
$Comp
L Connector:Conn_01x02_Male J205
U 1 1 6338E093
P 4500 7400
F 0 "J205" H 4473 7282 50 0000 R CNN
F 1 "Output" H 4473 7373 50 0000 R CNN
F 2 "TerminalBlock_Phoenix:TerminalBlock_Phoenix_PTSM-0,5-2-2.5-V-THR_1x02_P2.50mm_Vertical" H 4500 7400 50 0001 C CNN
F 3 "~" H 4500 7400 50 0001 C CNN
F 4 "PTSM 0,5/ 2-2,5-V THR" H 4500 7400 50 0001 C CNN "Model"
1 4500 7400
1 0 0 1
$EndComp
$Comp
L Mechanical:MountingHole H201
U 1 1 6148253B
P 1500 7000
F 0 "H201" H 1600 7046 50 0000 L CNN
F 1 "MountingHole" H 1600 6955 50 0000 L CNN
F 2 "MountingHole:MountingHole_3.2mm_M3" H 1500 7000 50 0001 C CNN
F 3 "~" H 1500 7000 50 0001 C CNN
1 1500 7000
1 0 0 -1
$EndComp
$Comp
L Mechanical:MountingHole H202
U 1 1 614829AA
P 1500 7250
F 0 "H202" H 1600 7296 50 0000 L CNN
F 1 "MountingHole" H 1600 7205 50 0000 L CNN
F 2 "MountingHole:MountingHole_3.2mm_M3" H 1500 7250 50 0001 C CNN
F 3 "~" H 1500 7250 50 0001 C CNN
1 1500 7250
1 0 0 -1
$EndComp
$EndSCHEMATC
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