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c3lingo-interpreter-unit/schematics/vu_meter.sch

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Schematic: Bugfixes, VU meter draft, first development PCB draft
2020-11-02 00:00:47 +00:00
EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 8268 11693 portrait
encoding utf-8
Sheet 2 2
Title "VU Meter Module"
Date "2020-10-19"
Rev "v0.1"
Comp "Jannik Beyerstedt"
Comment1 "First Draft"
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
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Text HLabel 1000 700 0 50 Input ~ 0
V_CC
Text HLabel 1000 1500 0 50 Input ~ 0
GND
Text Notes 1050 1700 0 50 ~ 0
TODO: Some capacitors
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$Comp
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Connection ~ 5200 4000
Connection ~ 5200 4650
Connection ~ 5200 5300
Connection ~ 5200 6600
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Connection ~ 5200 7900
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$Comp
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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$Comp
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$EndComp
$Comp
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$EndComp
Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Connection ~ 7150 1300
$Comp
L Device:R R32
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$EndComp
$Comp
L Device:LED D3
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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$EndComp
$Comp
L Device:LED D4
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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$Comp
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$EndComp
$Comp
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$EndComp
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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$Comp
L Device:R R38
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$Comp
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Wire Wire Line
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Wire Wire Line
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$Comp
L Device:R R40
U 1 1 5FC60D28
P 6500 5200
F 0 "R40" V 6293 5200 50 0000 C CNN
F 1 "R" V 6384 5200 50 0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 6430 5200 50 0001 C CNN
F 3 "~" H 6500 5200 50 0001 C CNN
1 6500 5200
0 1 1 0
$EndComp
$Comp
L Device:LED D7
U 1 1 5FC60D2E
P 6900 5200
F 0 "D7" H 6893 5417 50 0000 C CNN
F 1 "LED ye" H 6893 5326 50 0000 C CNN
F 2 "LED_THT:LED_D5.0mm" H 6900 5200 50 0001 C CNN
F 3 "~" H 6900 5200 50 0001 C CNN
1 6900 5200
1 0 0 -1
$EndComp
Wire Wire Line
7150 5200 7050 5200
Wire Wire Line
6750 5200 6650 5200
Wire Wire Line
6350 5200 5900 5200
Wire Wire Line
7150 4550 7150 5200
$Comp
L Device:R R42
U 1 1 5FC636D5
P 6500 5850
F 0 "R42" V 6293 5850 50 0000 C CNN
F 1 "R" V 6384 5850 50 0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 6430 5850 50 0001 C CNN
F 3 "~" H 6500 5850 50 0001 C CNN
1 6500 5850
0 1 1 0
$EndComp
$Comp
L Device:LED D8
U 1 1 5FC636DB
P 6900 5850
F 0 "D8" H 6893 6067 50 0000 C CNN
F 1 "LED ye" H 6893 5976 50 0000 C CNN
F 2 "LED_THT:LED_D5.0mm" H 6900 5850 50 0001 C CNN
F 3 "~" H 6900 5850 50 0001 C CNN
1 6900 5850
1 0 0 -1
$EndComp
Wire Wire Line
7150 5850 7050 5850
Wire Wire Line
6750 5850 6650 5850
Wire Wire Line
6350 5850 5900 5850
Wire Wire Line
7150 5200 7150 5850
$Comp
L Device:R R44
U 1 1 5FC66851
P 6500 6500
F 0 "R44" V 6293 6500 50 0000 C CNN
F 1 "R" V 6384 6500 50 0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 6430 6500 50 0001 C CNN
F 3 "~" H 6500 6500 50 0001 C CNN
1 6500 6500
0 1 1 0
$EndComp
$Comp
L Device:LED D9
U 1 1 5FC66857
P 6900 6500
F 0 "D9" H 6893 6717 50 0000 C CNN
F 1 "LED rd" H 6893 6626 50 0000 C CNN
F 2 "LED_THT:LED_D5.0mm" H 6900 6500 50 0001 C CNN
F 3 "~" H 6900 6500 50 0001 C CNN
1 6900 6500
1 0 0 -1
$EndComp
Wire Wire Line
7150 6500 7050 6500
Wire Wire Line
6750 6500 6650 6500
Wire Wire Line
6350 6500 5900 6500
Wire Wire Line
7150 5850 7150 6500
$Comp
L Device:R R46
U 1 1 5FC694C3
P 6500 7150
F 0 "R46" V 6293 7150 50 0000 C CNN
F 1 "R" V 6384 7150 50 0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 6430 7150 50 0001 C CNN
F 3 "~" H 6500 7150 50 0001 C CNN
1 6500 7150
0 1 1 0
$EndComp
$Comp
L Device:LED D10
U 1 1 5FC694C9
P 6900 7150
F 0 "D10" H 6893 7367 50 0000 C CNN
F 1 "LED rd" H 6893 7276 50 0000 C CNN
F 2 "LED_THT:LED_D5.0mm" H 6900 7150 50 0001 C CNN
F 3 "~" H 6900 7150 50 0001 C CNN
1 6900 7150
1 0 0 -1
$EndComp
Wire Wire Line
7150 7150 7050 7150
Wire Wire Line
6750 7150 6650 7150
Wire Wire Line
6350 7150 5900 7150
Wire Wire Line
7150 6500 7150 7150
$Comp
L Device:R R49
U 1 1 5FC6C36E
P 6500 7800
F 0 "R49" V 6293 7800 50 0000 C CNN
F 1 "R" V 6384 7800 50 0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 6430 7800 50 0001 C CNN
F 3 "~" H 6500 7800 50 0001 C CNN
1 6500 7800
0 1 1 0
$EndComp
$Comp
L Device:LED D12
U 1 1 5FC6C374
P 6900 7800
F 0 "D12" H 6893 8017 50 0000 C CNN
F 1 "LED rd" H 6893 7926 50 0000 C CNN
F 2 "LED_THT:LED_D5.0mm" H 6900 7800 50 0001 C CNN
F 3 "~" H 6900 7800 50 0001 C CNN
1 6900 7800
1 0 0 -1
$EndComp
Wire Wire Line
7150 7800 7050 7800
Wire Wire Line
6750 7800 6650 7800
Wire Wire Line
6350 7800 5900 7800
Wire Wire Line
7150 7150 7150 7800
$Comp
L Device:R R52
U 1 1 5FC6F375
P 6500 8450
F 0 "R52" V 6293 8450 50 0000 C CNN
F 1 "R" V 6384 8450 50 0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 6430 8450 50 0001 C CNN
F 3 "~" H 6500 8450 50 0001 C CNN
1 6500 8450
0 1 1 0
$EndComp
$Comp
L Device:LED D14
U 1 1 5FC6F37B
P 6900 8450
F 0 "D14" H 6893 8667 50 0000 C CNN
F 1 "LED rd" H 6893 8576 50 0000 C CNN
F 2 "LED_THT:LED_D5.0mm" H 6900 8450 50 0001 C CNN
F 3 "~" H 6900 8450 50 0001 C CNN
1 6900 8450
1 0 0 -1
$EndComp
Wire Wire Line
7150 8450 7050 8450
Wire Wire Line
6750 8450 6650 8450
Wire Wire Line
6350 8450 5900 8450
Wire Wire Line
7150 7800 7150 8450
Text Notes 1850 9100 0 50 ~ 0
Buffer/ Rectifier\nGain: 4
Text HLabel 4900 8900 0 50 Input ~ 0
GND
Wire Wire Line
4900 8900 5000 8900
Text Notes 3750 2450 0 50 ~ 0
TODO: Resistor Values\ndBu -> V_RMS\n+12 dBu: 3.08 V\n +8 dBu: 1.95 V\n +4 dBu: 1.23 V\n 0 dBu: 0.775 V\n -4 dBu: 0.489 V\n -8 dBu: 0.308 V\n-12 dBu: 0.195 V\n-16 dBu: 0.123 V\n-20 dBu: 0.0775 V\n-24 dBu: 0.0489 V\n-28 dBu: 0.0308 V\n-32 dBu: 0.0195 V
Text Notes 7650 1300 2 50 ~ 0
+12 dBu
Text Notes 7650 1950 2 50 ~ 0
+8 dBu
Text Notes 7650 3250 2 50 ~ 0
+0 dBu
Connection ~ 7150 1950
Connection ~ 7150 2600
Connection ~ 7150 3250
Connection ~ 7150 3900
Connection ~ 7150 4550
Connection ~ 7150 5200
Connection ~ 7150 5850
Connection ~ 7150 6500
Connection ~ 7150 7150
Connection ~ 7150 7800
Text Notes 7650 2600 2 50 ~ 0
+4 dBu
Text Notes 7300 8450 0 50 ~ 0
-32 dBu
Text Notes 7300 6500 0 50 ~ 0
-20 dBu
Text Notes 7350 4550 0 50 ~ 0
-8 dBu
Text Notes 7650 3900 2 50 ~ 0
-4 dBu
Text Notes 7300 5200 0 50 ~ 0
-12 dBu
Text Notes 7300 5850 0 50 ~ 0
-16 dBu
Text Notes 7300 7150 0 50 ~ 0
-24 dBu
Text Notes 7300 7800 0 50 ~ 0
-28 dBu
$Comp
L Comparator:LM339 U9
U 5 1 5FC9E0B4
P 2250 1100
F 0 "U9" H 2208 1146 50 0000 L CNN
F 1 "LM339" H 2208 1055 50 0000 L CNN
F 2 "Package_DIP:DIP-14_W7.62mm_Socket_LongPads" H 2200 1200 50 0001 C CNN
F 3 "https://www.st.com/resource/en/datasheet/lm139.pdf" H 2300 1300 50 0001 C CNN
5 2250 1100
1 0 0 -1
$EndComp
$Comp
L Comparator:LM339 U10
U 5 1 5FC9F491
P 2900 1100
F 0 "U10" H 2858 1146 50 0000 L CNN
F 1 "LM339" H 2858 1055 50 0000 L CNN
F 2 "Package_DIP:DIP-14_W7.62mm_Socket_LongPads" H 2850 1200 50 0001 C CNN
F 3 "https://www.st.com/resource/en/datasheet/lm139.pdf" H 2950 1300 50 0001 C CNN
5 2900 1100
1 0 0 -1
$EndComp
Wire Wire Line
1000 700 1500 700
$Comp
L power:GNDREF #PWR?
U 1 1 5FD55EE5
P 4600 9650
AR Path="/5FD55EE5" Ref="#PWR?" Part="1"
AR Path="/5FA7BAE6/5FD55EE5" Ref="#PWR041" Part="1"
F 0 "#PWR041" H 4600 9400 50 0001 C CNN
F 1 "GNDREF" H 4605 9477 50 0000 C CNN
F 2 "" H 4600 9650 50 0001 C CNN
F 3 "" H 4600 9650 50 0001 C CNN
1 4600 9650
1 0 0 -1
$EndComp
Wire Wire Line
4350 9500 4350 9600
Wire Wire Line
4350 9600 4600 9600
Wire Wire Line
4600 9600 4600 9650
Wire Wire Line
4850 9500 4850 9600
Wire Wire Line
4850 9600 4600 9600
Connection ~ 4600 9600
Wire Wire Line
4850 9200 4850 9100
Wire Wire Line
4850 9100 5200 9100
Wire Wire Line
4850 9100 4350 9100
Wire Wire Line
4350 9100 4350 9200
Connection ~ 4850 9100
$Comp
L Device:CP C27
U 1 1 5FD7B3EC
P 4350 9350
F 0 "C27" H 4468 9396 50 0000 L CNN
F 1 "2.2uF" H 4468 9305 50 0000 L CNN
F 2 "Capacitor_THT:CP_Radial_D10.0mm_P5.00mm" H 4388 9200 50 0001 C CNN
F 3 "~" H 4350 9350 50 0001 C CNN
1 4350 9350
1 0 0 -1
$EndComp
$Comp
L Device:R R54
U 1 1 5FD7BF84
P 4850 9350
F 0 "R54" H 4920 9396 50 0000 L CNN
F 1 "10K" H 4920 9305 50 0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 4780 9350 50 0001 C CNN
F 3 "~" H 4850 9350 50 0001 C CNN
1 4850 9350
1 0 0 -1
$EndComp
Wire Wire Line
5000 8750 5000 8900
Wire Wire Line
5200 8550 5200 9100
Wire Wire Line
5200 7900 5200 8550
Text Notes 4900 9750 0 50 ~ 0
Signal Smoothing\n(Try out different values)
Connection ~ 4350 9100
Text HLabel 1000 9500 0 50 Input ~ 0
V_CC
$Comp
L Amplifier_Operational:LM358 U?
U 3 1 5FCB34F7
P 1500 9900
AR Path="/5FCB34F7" Ref="U?" Part="3"
AR Path="/5FA7BAE6/5FCB34F7" Ref="U14" Part="3"
F 0 "U14" V 1175 9900 50 0000 C CNN
F 1 "LM833N" V 1266 9900 50 0000 C CNN
F 2 "Package_DIP:DIP-8_W7.62mm_Socket_LongPads" H 1500 9900 50 0001 C CNN
F 3 "" H 1500 9900 50 0001 C CNN
3 1500 9900
1 0 0 -1
$EndComp
$Comp
L Device:C C?
U 1 1 5FCB34DD
P 1800 9750
AR Path="/5FCB34DD" Ref="C?" Part="1"
AR Path="/5FA7BAE6/5FCB34DD" Ref="C28" Part="1"
F 0 "C28" H 1685 9704 50 0000 R CNN
F 1 "100nF" H 1685 9795 50 0000 R CNN
F 2 "Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P2.50mm" H 1838 9600 50 0001 C CNN
F 3 "~" H 1800 9750 50 0001 C CNN
1 1800 9750
-1 0 0 1
$EndComp
$Comp
L power:GNDREF #PWR?
U 1 1 5FCB34D1
P 1600 10400
AR Path="/5FCB34D1" Ref="#PWR?" Part="1"
AR Path="/5FA7BAE6/5FCB34D1" Ref="#PWR042" Part="1"
F 0 "#PWR042" H 1600 10150 50 0001 C CNN
F 1 "GNDREF" H 1605 10227 50 0000 C CNN
F 2 "" H 1600 10400 50 0001 C CNN
F 3 "" H 1600 10400 50 0001 C CNN
1 1600 10400
1 0 0 -1
$EndComp
Wire Wire Line
2700 7350 2500 7350
Wire Wire Line
3800 7350 3000 7350
Wire Wire Line
3700 8350 3800 8350
$Comp
L Device:R R48
U 1 1 5FDC0FFB
P 2850 7350
F 0 "R48" V 2643 7350 50 0000 C CNN
F 1 "100K" V 2734 7350 50 0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 2780 7350 50 0001 C CNN
F 3 "~" H 2850 7350 50 0001 C CNN
1 2850 7350
0 1 1 0
$EndComp
Wire Wire Line
2500 8250 2600 8250
Wire Wire Line
2700 7750 2500 7750
Wire Wire Line
3300 8350 3400 8350
Connection ~ 3300 8350
Wire Wire Line
3300 7750 3000 7750
Wire Wire Line
3300 8350 3300 7750
$Comp
L Device:D D13
U 1 1 5FDA0CAC
P 3550 8350
F 0 "D13" H 3550 8133 50 0000 C CNN
F 1 "1N4148" H 3550 8224 50 0000 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P10.16mm_Horizontal" H 3550 8350 50 0001 C CNN
F 3 "~" H 3550 8350 50 0001 C CNN
1 3550 8350
-1 0 0 1
$EndComp
$Comp
L Device:D D11
U 1 1 5FD9FD73
P 2850 7750
F 0 "D11" H 2850 7533 50 0000 C CNN
F 1 "1N4148" H 2850 7624 50 0000 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P10.16mm_Horizontal" H 2850 7750 50 0001 C CNN
F 3 "~" H 2850 7750 50 0001 C CNN
1 2850 7750
-1 0 0 1
$EndComp
Wire Wire Line
1350 8000 1350 8100
Wire Wire Line
1000 8000 1350 8000
$Comp
L Device:R_POT RV2
U 1 1 5FCFBEFC
P 1350 8250
F 0 "RV2" H 1281 8296 50 0000 R CNN
F 1 "50K" H 1281 8205 50 0000 R CNN
F 2 "Potentiometer_THT:Potentiometer_Vishay_148-149_Single_Horizontal" H 1350 8250 50 0001 C CNN
F 3 "~" H 1350 8250 50 0001 C CNN
1 1350 8250
1 0 0 -1
$EndComp
Wire Wire Line
3200 8350 3300 8350
$Comp
L power:GNDREF #PWR?
U 1 1 5FCB351D
P 2500 8550
AR Path="/5FCB351D" Ref="#PWR?" Part="1"
AR Path="/5FA7BAE6/5FCB351D" Ref="#PWR040" Part="1"
F 0 "#PWR040" H 2500 8300 50 0001 C CNN
F 1 "GNDREF" H 2505 8377 50 0000 C CNN
F 2 "" H 2500 8550 50 0001 C CNN
F 3 "" H 2500 8550 50 0001 C CNN
1 2500 8550
1 0 0 -1
$EndComp
$Comp
L Amplifier_Operational:LM358 U?
U 1 1 5FCB34FE
P 2900 8350
AR Path="/5FCB34FE" Ref="U?" Part="2"
AR Path="/5FA7BAE6/5FCB34FE" Ref="U14" Part="1"
F 0 "U14" H 2900 7983 50 0000 C CNN
F 1 "LM833N" H 2900 8074 50 0000 C CNN
F 2 "Package_DIP:DIP-8_W7.62mm_Socket_LongPads" H 2900 8350 50 0001 C CNN
F 3 "" H 2900 8350 50 0001 C CNN
1 2900 8350
1 0 0 1
$EndComp
Text HLabel 1000 8000 0 50 Input ~ 0
Line_Input
$Comp
L Device:CP C26
U 1 1 5FEAE431
P 1750 8250
F 0 "C26" V 2005 8250 50 0000 C CNN
F 1 "TODO" V 1914 8250 50 0000 C CNN
F 2 "Capacitor_THT:CP_Radial_D10.0mm_P5.00mm" H 1788 8100 50 0001 C CNN
F 3 "~" H 1750 8250 50 0001 C CNN
1 1750 8250
0 -1 -1 0
$EndComp
$Comp
L Device:R R51
U 1 1 5FED2400
P 2150 8250
F 0 "R51" V 2357 8250 50 0000 C CNN
F 1 "25K" V 2266 8250 50 0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 2080 8250 50 0001 C CNN
F 3 "~" H 2150 8250 50 0001 C CNN
1 2150 8250
0 -1 -1 0
$EndComp
Wire Wire Line
2500 7750 2500 8250
Wire Wire Line
3800 7350 3800 8350
Wire Wire Line
2500 7350 2500 7750
Connection ~ 2500 7750
Text Notes 3650 1150 0 50 ~ 0
TODO: Reduce 15 V to +12 dBu (3.08 V)
Wire Wire Line
2600 8450 2500 8450
Wire Wire Line
2500 8450 2500 8550
Wire Wire Line
2500 8250 2300 8250
Connection ~ 2500 8250
Wire Wire Line
2000 8250 1900 8250
Wire Wire Line
1500 8250 1600 8250
$Comp
L power:GNDREF #PWR?
U 1 1 5FFA8E8D
P 1350 8500
AR Path="/5FFA8E8D" Ref="#PWR?" Part="1"
AR Path="/5FA7BAE6/5FFA8E8D" Ref="#PWR039" Part="1"
F 0 "#PWR039" H 1350 8250 50 0001 C CNN
F 1 "GNDREF" H 1355 8327 50 0000 C CNN
F 2 "" H 1350 8500 50 0001 C CNN
F 3 "" H 1350 8500 50 0001 C CNN
1 1350 8500
1 0 0 -1
$EndComp
Wire Wire Line
1350 8400 1350 8500
Wire Wire Line
3800 8350 4150 8350
Wire Wire Line
4150 8350 4150 9100
Connection ~ 3800 8350
Wire Wire Line
4150 9100 4350 9100
Wire Wire Line
1400 9500 1400 9600
Wire Wire Line
1800 9500 1800 9600
Wire Wire Line
1400 9500 1800 9500
Connection ~ 1400 9500
Wire Wire Line
1800 9900 1800 10300
Wire Wire Line
1800 10300 1600 10300
Wire Wire Line
1600 10300 1600 10400
Wire Wire Line
1600 10300 1400 10300
Wire Wire Line
1400 10300 1400 10200
Connection ~ 1600 10300
Wire Wire Line
2800 800 2800 700
Connection ~ 2800 700
Wire Wire Line
2800 700 7150 700
Wire Wire Line
2800 1400 2800 1500
Wire Wire Line
2800 1500 2150 1500
Connection ~ 1500 1500
Wire Wire Line
2150 1400 2150 1500
Connection ~ 2150 1500
Wire Wire Line
2150 1500 1500 1500
Wire Wire Line
1000 9500 1400 9500
Wire Wire Line
1500 700 2150 700
Wire Wire Line
2150 800 2150 700
Connection ~ 2150 700
Wire Wire Line
2150 700 2800 700
$EndSCHEMATC
Reference in a new issue Copy permalink