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modular-adsr
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modular-adsr/adsr-vca.sch-bak

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EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 2 4
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L Amplifier_Operational:LM13700 U3
U 1 1 5FF0E3A8
P 4350 5050
F 0 "U3" H 4350 5417 50 0000 C CNN
F 1 "LM13700" H 4350 5326 50 0000 C CNN
F 2 "Package_SO:SOIC-16_3.9x9.9mm_P1.27mm" H 4050 5075 50 0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/lm13700.pdf" H 4050 5075 50 0001 C CNN
1 4350 5050
1 0 0 -1
$EndComp
$Comp
L Amplifier_Operational:LM13700 U3
U 3 1 5FF0EB11
P 4350 1550
F 0 "U3" H 4350 1917 50 0000 C CNN
F 1 "LM13700" H 4350 1826 50 0000 C CNN
F 2 "Package_SO:SOIC-16_3.9x9.9mm_P1.27mm" H 4050 1575 50 0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/lm13700.pdf" H 4050 1575 50 0001 C CNN
3 4350 1550
1 0 0 -1
$EndComp
$Comp
L Amplifier_Operational:LM13700 U3
U 2 1 5FF0F002
P 10250 1100
F 0 "U3" H 10150 1450 50 0000 C CNN
F 1 "LM13700" H 10150 1350 50 0000 C CNN
F 2 "Package_SO:SOIC-16_3.9x9.9mm_P1.27mm" H 9950 1125 50 0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/lm13700.pdf" H 9950 1125 50 0001 C CNN
2 10250 1100
1 0 0 -1
$EndComp
$Comp
L Amplifier_Operational:LM13700 U3
U 4 1 5FF0F602
P 10800 1100
F 0 "U3" H 10700 1448 50 0000 C CNN
F 1 "LM13700" H 10700 1357 50 0000 C CNN
F 2 "Package_SO:SOIC-16_3.9x9.9mm_P1.27mm" H 10500 1125 50 0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/lm13700.pdf" H 10500 1125 50 0001 C CNN
4 10800 1100
1 0 0 -1
$EndComp
$Comp
L Amplifier_Operational:LM13700 U3
U 5 1 5FF10492
P 9750 3550
F 0 "U3" H 9708 3596 50 0000 L CNN
F 1 "LM13700" H 9708 3505 50 0000 L CNN
F 2 "Package_SO:SOIC-16_3.9x9.9mm_P1.27mm" H 9450 3575 50 0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/lm13700.pdf" H 9450 3575 50 0001 C CNN
5 9750 3550
1 0 0 -1
$EndComp
$Comp
L Device:R R13
U 1 1 5FF168F2
P 3700 1050
F 0 "R13" H 3630 1004 50 0000 R CNN
F 1 "11k" H 3630 1095 50 0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 3630 1050 50 0001 C CNN
F 3 "~" H 3700 1050 50 0001 C CNN
1 3700 1050
-1 0 0 1
$EndComp
$Comp
L Device:C C9
U 1 1 5FF1784B
P 9150 3550
F 0 "C9" H 9265 3596 50 0000 L CNN
F 1 "0.1u" H 9265 3505 50 0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 9188 3400 50 0001 C CNN
F 3 "~" H 9150 3550 50 0001 C CNN
1 9150 3550
1 0 0 -1
$EndComp
Wire Wire Line
9150 3400 9150 3250
Wire Wire Line
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Wire Wire Line
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Wire Wire Line
9150 3850 9400 3850
$Comp
L power:+12V #PWR019
U 1 1 5FF197AC
P 3700 800
F 0 "#PWR019" H 3700 650 50 0001 C CNN
F 1 "+12V" H 3715 973 50 0000 C CNN
F 2 "" H 3700 800 50 0001 C CNN
F 3 "" H 3700 800 50 0001 C CNN
1 3700 800
1 0 0 -1
$EndComp
$Comp
L power:-12V #PWR030
U 1 1 5FF19F68
P 9400 3850
F 0 "#PWR030" H 9400 3950 50 0001 C CNN
F 1 "-12V" H 9415 4023 50 0000 C CNN
F 2 "" H 9400 3850 50 0001 C CNN
F 3 "" H 9400 3850 50 0001 C CNN
1 9400 3850
-1 0 0 1
$EndComp
$Comp
L power:GND #PWR017
U 1 1 5FF1A3A4
P 3050 1800
F 0 "#PWR017" H 3050 1550 50 0001 C CNN
F 1 "GND" H 3055 1627 50 0000 C CNN
F 2 "" H 3050 1800 50 0001 C CNN
F 3 "" H 3050 1800 50 0001 C CNN
1 3050 1800
1 0 0 -1
$EndComp
Wire Wire Line
3700 900 3700 800
Wire Wire Line
3700 1200 3700 1550
Wire Wire Line
3700 1550 4050 1550
$Comp
L Device:R R9
U 1 1 5FF1C4D8
P 3300 1450
F 0 "R9" V 3093 1450 50 0000 C CNN
F 1 "510R" V 3184 1450 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 3230 1450 50 0001 C CNN
F 3 "~" H 3300 1450 50 0001 C CNN
1 3300 1450
0 1 1 0
$EndComp
$Comp
L Device:R R10
U 1 1 5FF1D173
P 3300 1650
F 0 "R10" V 3400 1650 50 0000 C CNN
F 1 "510R" V 3500 1650 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 3230 1650 50 0001 C CNN
F 3 "~" H 3300 1650 50 0001 C CNN
1 3300 1650
0 1 1 0
$EndComp
Connection ~ 9400 3850
Wire Wire Line
9400 3850 9650 3850
$Comp
L power:+12V #PWR029
U 1 1 5FF20699
P 9400 3250
F 0 "#PWR029" H 9400 3100 50 0001 C CNN
F 1 "+12V" H 9415 3423 50 0000 C CNN
F 2 "" H 9400 3250 50 0001 C CNN
F 3 "" H 9400 3250 50 0001 C CNN
1 9400 3250
1 0 0 -1
$EndComp
Connection ~ 9400 3250
Wire Wire Line
9400 3250 9650 3250
Text HLabel 2450 1100 0 50 Input ~ 0
V_SIG_IN_1
$Comp
L Device:R R5
U 1 1 5FF21944
P 3300 1100
F 0 "R5" V 3100 1050 50 0000 C CNN
F 1 "300k" V 3200 1100 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 3230 1100 50 0001 C CNN
F 3 "~" H 3300 1100 50 0001 C CNN
1 3300 1100
0 1 1 0
$EndComp
Wire Wire Line
2450 1100 2750 1100
Text HLabel 6550 1650 2 50 Output ~ 0
V_SIG_OUT_1
Text HLabel 1800 3300 0 50 Input ~ 0
CV_1
Text HLabel 2450 4600 0 50 Input ~ 0
V_SIG_IN_2
Text HLabel 6550 5150 2 50 Output ~ 0
V_SIG_OUT_2
Text HLabel 1800 6800 0 50 Input ~ 0
CV_2
$Comp
L Device:C C3
U 1 1 60010066
P 2900 1100
F 0 "C3" V 2650 1050 50 0000 L CNN
F 1 "470n" V 2750 1050 50 0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 2938 950 50 0001 C CNN
F 3 "~" H 2900 1100 50 0001 C CNN
1 2900 1100
0 1 1 0
$EndComp
Wire Wire Line
3050 1100 3150 1100
$Comp
L Device:R R19
U 1 1 6001E9C6
P 5350 1050
F 0 "R19" V 5143 1050 50 0000 C CNN
F 1 "18k" V 5234 1050 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 5280 1050 50 0001 C CNN
F 3 "~" H 5350 1050 50 0001 C CNN
1 5350 1050
0 1 1 0
$EndComp
Wire Wire Line
5500 1050 5850 1050
Wire Wire Line
5850 1050 5850 1650
Wire Wire Line
5850 1650 5650 1650
Wire Wire Line
5200 1050 4850 1050
Wire Wire Line
4850 1050 4850 1550
Wire Wire Line
4850 1550 4650 1550
Wire Wire Line
4850 1550 5050 1550
Connection ~ 4850 1550
$Comp
L Device:R R21
U 1 1 60024A92
P 6200 1650
F 0 "R21" V 5993 1650 50 0000 C CNN
F 1 "1k" V 6084 1650 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 6130 1650 50 0001 C CNN
F 3 "~" H 6200 1650 50 0001 C CNN
1 6200 1650
0 1 1 0
$EndComp
Wire Wire Line
5850 1650 6050 1650
Connection ~ 5850 1650
Wire Wire Line
6350 1650 6550 1650
$Comp
L power:GND #PWR023
U 1 1 60028999
P 5000 1800
F 0 "#PWR023" H 5000 1550 50 0001 C CNN
F 1 "GND" H 5005 1627 50 0000 C CNN
F 2 "" H 5000 1800 50 0001 C CNN
F 3 "" H 5000 1800 50 0001 C CNN
1 5000 1800
1 0 0 -1
$EndComp
Wire Wire Line
5000 1800 5000 1750
Wire Wire Line
5000 1750 5050 1750
Wire Wire Line
4650 1950 4650 1650
$Comp
L Transistor_BJT:BC856 Q1
U 1 1 6002E3DE
P 3550 3400
F 0 "Q1" H 3741 3354 50 0000 L CNN
F 1 "BC856" H 3741 3445 50 0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 3750 3325 50 0001 L CIN
F 3 "https://www.onsemi.com/pub/Collateral/BC860-D.pdf" H 3550 3400 50 0001 L CNN
1 3550 3400
1 0 0 1
$EndComp
Wire Wire Line
3200 3400 3250 3400
$Comp
L Device:R R6
U 1 1 60036D6E
P 2800 2100
F 0 "R6" V 2593 2100 50 0000 C CNN
F 1 "27k" V 2684 2100 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 2730 2100 50 0001 C CNN
F 3 "~" H 2800 2100 50 0001 C CNN
1 2800 2100
0 1 1 0
$EndComp
$Comp
L Device:R R15
U 1 1 6003ACD8
P 3900 2900
F 0 "R15" V 3693 2900 50 0000 C CNN
F 1 "1.2k" V 3784 2900 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 3830 2900 50 0001 C CNN
F 3 "~" H 3900 2900 50 0001 C CNN
1 3900 2900
0 1 1 0
$EndComp
Wire Wire Line
2450 3300 2600 3300
Wire Wire Line
3650 2900 3650 3200
Wire Wire Line
3650 2900 3750 2900
$Comp
L power:GND #PWR021
U 1 1 600413F2
P 4150 2950
F 0 "#PWR021" H 4150 2700 50 0001 C CNN
F 1 "GND" H 4155 2777 50 0000 C CNN
F 2 "" H 4150 2950 50 0001 C CNN
F 3 "" H 4150 2950 50 0001 C CNN
1 4150 2950
1 0 0 -1
$EndComp
Wire Wire Line
4150 2950 4150 2900
Wire Wire Line
4150 2900 4050 2900
$Comp
L Diode:1N4148WS D?
U 1 1 60051393
P 2800 2450
AR Path="/5FFB63E2/60051393" Ref="D?" Part="1"
AR Path="/5FF0DFBC/60051393" Ref="D1" Part="1"
F 0 "D1" H 2800 2350 50 0000 L CNN
F 1 "1N4148WS" H 2600 2550 50 0000 L CNN
F 2 "Diode_SMD:D_SOD-323" H 2800 2275 50 0001 C CNN
F 3 "https://www.vishay.com/docs/85751/1n4148ws.pdf" H 2800 2450 50 0001 C CNN
1 2800 2450
1 0 0 -1
$EndComp
Wire Wire Line
3650 3600 3650 3700
$Comp
L Device:R R17
U 1 1 5FF304E8
P 4650 2100
F 0 "R17" H 4850 2050 50 0000 C CNN
F 1 "6k8" H 4850 2150 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 4580 2100 50 0001 C CNN
F 3 "~" H 4650 2100 50 0001 C CNN
1 4650 2100
-1 0 0 1
$EndComp
Wire Wire Line
2650 2100 2450 2100
Wire Wire Line
2450 2100 2450 2450
Wire Wire Line
2950 2100 3650 2100
Wire Wire Line
3650 2100 3650 2900
Connection ~ 3650 2900
$Comp
L Device:C C5
U 1 1 6008A530
P 2700 2700
F 0 "C5" V 2850 2650 50 0000 L CNN
F 1 "1n" V 2950 2650 50 0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 2738 2550 50 0001 C CNN
F 3 "~" H 2700 2700 50 0001 C CNN
1 2700 2700
0 1 1 0
$EndComp
Wire Wire Line
2550 2700 2450 2700
Connection ~ 2450 2700
Wire Wire Line
2450 2700 2450 3300
Wire Wire Line
2650 2450 2450 2450
Connection ~ 2450 2450
Wire Wire Line
2450 2450 2450 2600
Wire Wire Line
2950 2450 3250 2450
Wire Wire Line
3250 2450 3250 2700
Connection ~ 3250 3400
Wire Wire Line
3250 3400 3350 3400
Wire Wire Line
2850 2700 3250 2700
Connection ~ 3250 2700
Wire Wire Line
3250 2700 3250 3400
Wire Wire Line
3650 3700 4650 3700
Wire Wire Line
4650 2250 4650 3700
$Comp
L Device:R R3
U 1 1 6009C5E5
P 2150 3300
F 0 "R3" V 1943 3300 50 0000 C CNN
F 1 "470k" V 2034 3300 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 2080 3300 50 0001 C CNN
F 3 "~" H 2150 3300 50 0001 C CNN
1 2150 3300
0 1 1 0
$EndComp
Wire Wire Line
2300 3300 2450 3300
Connection ~ 2450 3300
Wire Wire Line
1800 3300 2000 3300
$Comp
L power:GND #PWR015
U 1 1 600A3705
P 2500 3550
F 0 "#PWR015" H 2500 3300 50 0001 C CNN
F 1 "GND" H 2505 3377 50 0000 C CNN
F 2 "" H 2500 3550 50 0001 C CNN
F 3 "" H 2500 3550 50 0001 C CNN
1 2500 3550
1 0 0 -1
$EndComp
Wire Wire Line
2500 3550 2500 3500
Wire Wire Line
2500 3500 2600 3500
$Comp
L Device:C C8
U 1 1 600A989B
P 8100 3550
F 0 "C8" H 8215 3596 50 0000 L CNN
F 1 "0.1u" H 8215 3505 50 0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 8138 3400 50 0001 C CNN
F 3 "~" H 8100 3550 50 0001 C CNN
1 8100 3550
1 0 0 -1
$EndComp
$Comp
L power:+12V #PWR027
U 1 1 600AA32F
P 8350 3250
F 0 "#PWR027" H 8350 3100 50 0001 C CNN
F 1 "+12V" H 8365 3423 50 0000 C CNN
F 2 "" H 8350 3250 50 0001 C CNN
F 3 "" H 8350 3250 50 0001 C CNN
1 8350 3250
1 0 0 -1
$EndComp
$Comp
L power:-12V #PWR028
U 1 1 600AA86E
P 8350 3850
F 0 "#PWR028" H 8350 3950 50 0001 C CNN
F 1 "-12V" H 8365 4023 50 0000 C CNN
F 2 "" H 8350 3850 50 0001 C CNN
F 3 "" H 8350 3850 50 0001 C CNN
1 8350 3850
-1 0 0 1
$EndComp
$Comp
L Device:R R14
U 1 1 600E3247
P 3700 4550
F 0 "R14" H 3630 4504 50 0000 R CNN
F 1 "11k" H 3630 4595 50 0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 3630 4550 50 0001 C CNN
F 3 "~" H 3700 4550 50 0001 C CNN
1 3700 4550
-1 0 0 1
$EndComp
$Comp
L power:+12V #PWR020
U 1 1 600E324D
P 3700 4300
F 0 "#PWR020" H 3700 4150 50 0001 C CNN
F 1 "+12V" H 3715 4473 50 0000 C CNN
F 2 "" H 3700 4300 50 0001 C CNN
F 3 "" H 3700 4300 50 0001 C CNN
1 3700 4300
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR018
U 1 1 600E3253
P 3050 5300
F 0 "#PWR018" H 3050 5050 50 0001 C CNN
F 1 "GND" H 3055 5127 50 0000 C CNN
F 2 "" H 3050 5300 50 0001 C CNN
F 3 "" H 3050 5300 50 0001 C CNN
1 3050 5300
1 0 0 -1
$EndComp
Wire Wire Line
3700 4400 3700 4300
Wire Wire Line
3700 4700 3700 5050
Wire Wire Line
3700 5050 4050 5050
$Comp
L Device:R R11
U 1 1 600E325C
P 3300 4950
F 0 "R11" V 3093 4950 50 0000 C CNN
F 1 "510R" V 3184 4950 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 3230 4950 50 0001 C CNN
F 3 "~" H 3300 4950 50 0001 C CNN
1 3300 4950
0 1 1 0
$EndComp
$Comp
L Device:R R12
U 1 1 600E3262
P 3300 5150
F 0 "R12" V 3400 5150 50 0000 C CNN
F 1 "510R" V 3500 5150 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 3230 5150 50 0001 C CNN
F 3 "~" H 3300 5150 50 0001 C CNN
1 3300 5150
0 1 1 0
$EndComp
$Comp
L Device:R R7
U 1 1 600E326F
P 3300 4600
F 0 "R7" V 3100 4550 50 0000 C CNN
F 1 "300k" V 3200 4600 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 3230 4600 50 0001 C CNN
F 3 "~" H 3300 4600 50 0001 C CNN
1 3300 4600
0 1 1 0
$EndComp
Wire Wire Line
2450 4600 2750 4600
$Comp
L Device:C C4
U 1 1 600E328B
P 2900 4600
F 0 "C4" V 2650 4550 50 0000 L CNN
F 1 "470n" V 2750 4550 50 0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 2938 4450 50 0001 C CNN
F 3 "~" H 2900 4600 50 0001 C CNN
1 2900 4600
0 1 1 0
$EndComp
Wire Wire Line
3050 4600 3150 4600
$Comp
L Device:R R20
U 1 1 600E3294
P 5350 4550
F 0 "R20" V 5143 4550 50 0000 C CNN
F 1 "18k" V 5234 4550 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 5280 4550 50 0001 C CNN
F 3 "~" H 5350 4550 50 0001 C CNN
1 5350 4550
0 1 1 0
$EndComp
Wire Wire Line
5500 4550 5850 4550
Wire Wire Line
5850 4550 5850 5150
Wire Wire Line
5850 5150 5650 5150
Wire Wire Line
5200 4550 4850 4550
Wire Wire Line
4850 4550 4850 5050
Wire Wire Line
4850 5050 4650 5050
Wire Wire Line
4850 5050 5050 5050
Connection ~ 4850 5050
$Comp
L Device:R R22
U 1 1 600E32A2
P 6200 5150
F 0 "R22" V 5993 5150 50 0000 C CNN
F 1 "1k" V 6084 5150 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 6130 5150 50 0001 C CNN
F 3 "~" H 6200 5150 50 0001 C CNN
1 6200 5150
0 1 1 0
$EndComp
Wire Wire Line
5850 5150 6050 5150
Connection ~ 5850 5150
Wire Wire Line
6350 5150 6550 5150
$Comp
L power:GND #PWR024
U 1 1 600E32AB
P 5000 5300
F 0 "#PWR024" H 5000 5050 50 0001 C CNN
F 1 "GND" H 5005 5127 50 0000 C CNN
F 2 "" H 5000 5300 50 0001 C CNN
F 3 "" H 5000 5300 50 0001 C CNN
1 5000 5300
1 0 0 -1
$EndComp
Wire Wire Line
5000 5300 5000 5250
Wire Wire Line
5000 5250 5050 5250
Wire Wire Line
4650 5450 4650 5150
$Comp
L Transistor_BJT:BC856 Q2
U 1 1 600E32B4
P 3550 6900
F 0 "Q2" H 3741 6854 50 0000 L CNN
F 1 "BC856" H 3741 6945 50 0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 3750 6825 50 0001 L CIN
F 3 "https://www.onsemi.com/pub/Collateral/BC860-D.pdf" H 3550 6900 50 0001 L CNN
1 3550 6900
1 0 0 1
$EndComp
Wire Wire Line
3200 6900 3250 6900
$Comp
L Device:R R8
U 1 1 600E32BB
P 2800 5600
F 0 "R8" V 2593 5600 50 0000 C CNN
F 1 "27k" V 2684 5600 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 2730 5600 50 0001 C CNN
F 3 "~" H 2800 5600 50 0001 C CNN
1 2800 5600
0 1 1 0
$EndComp
$Comp
L Device:R R16
U 1 1 600E32C1
P 3900 6400
F 0 "R16" V 3693 6400 50 0000 C CNN
F 1 "1.2k" V 3784 6400 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 3830 6400 50 0001 C CNN
F 3 "~" H 3900 6400 50 0001 C CNN
1 3900 6400
0 1 1 0
$EndComp
Wire Wire Line
2450 6800 2600 6800
Wire Wire Line
3650 6400 3650 6700
Wire Wire Line
3650 6400 3750 6400
$Comp
L power:GND #PWR022
U 1 1 600E32CA
P 4150 6450
F 0 "#PWR022" H 4150 6200 50 0001 C CNN
F 1 "GND" H 4155 6277 50 0000 C CNN
F 2 "" H 4150 6450 50 0001 C CNN
F 3 "" H 4150 6450 50 0001 C CNN
1 4150 6450
1 0 0 -1
$EndComp
Wire Wire Line
4150 6450 4150 6400
Wire Wire Line
4150 6400 4050 6400
$Comp
L Diode:1N4148WS D?
U 1 1 600E32D2
P 2800 5950
AR Path="/5FFB63E2/600E32D2" Ref="D?" Part="1"
AR Path="/5FF0DFBC/600E32D2" Ref="D2" Part="1"
F 0 "D2" H 2800 5850 50 0000 L CNN
F 1 "1N4148WS" H 2600 6050 50 0000 L CNN
F 2 "Diode_SMD:D_SOD-323" H 2800 5775 50 0001 C CNN
F 3 "https://www.vishay.com/docs/85751/1n4148ws.pdf" H 2800 5950 50 0001 C CNN
1 2800 5950
1 0 0 -1
$EndComp
Wire Wire Line
3650 7100 3650 7200
$Comp
L Device:R R18
U 1 1 600E32D9
P 4650 5600
F 0 "R18" H 4850 5550 50 0000 C CNN
F 1 "6k8" H 4850 5650 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 4580 5600 50 0001 C CNN
F 3 "~" H 4650 5600 50 0001 C CNN
1 4650 5600
-1 0 0 1
$EndComp
Wire Wire Line
2650 5600 2450 5600
Wire Wire Line
2450 5600 2450 5950
Wire Wire Line
2950 5600 3650 5600
Wire Wire Line
3650 5600 3650 6400
Connection ~ 3650 6400
$Comp
L Device:C C6
U 1 1 600E32E4
P 2700 6200
F 0 "C6" V 2850 6150 50 0000 L CNN
F 1 "1n" V 2950 6150 50 0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 2738 6050 50 0001 C CNN
F 3 "~" H 2700 6200 50 0001 C CNN
1 2700 6200
0 1 1 0
$EndComp
Wire Wire Line
2550 6200 2450 6200
Connection ~ 2450 6200
Wire Wire Line
2450 6200 2450 6800
Wire Wire Line
2650 5950 2450 5950
Connection ~ 2450 5950
Wire Wire Line
2450 5950 2450 6100
Wire Wire Line
2950 5950 3250 5950
Wire Wire Line
3250 5950 3250 6200
Connection ~ 3250 6900
Wire Wire Line
3250 6900 3350 6900
Wire Wire Line
2850 6200 3250 6200
Connection ~ 3250 6200
Wire Wire Line
3250 6200 3250 6900
Wire Wire Line
3650 7200 4650 7200
Wire Wire Line
4650 5750 4650 7200
$Comp
L Device:R R4
U 1 1 600E32F9
P 2150 6800
F 0 "R4" V 1943 6800 50 0000 C CNN
F 1 "470k" V 2034 6800 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 2080 6800 50 0001 C CNN
F 3 "~" H 2150 6800 50 0001 C CNN
1 2150 6800
0 1 1 0
$EndComp
Wire Wire Line
2300 6800 2450 6800
Connection ~ 2450 6800
Wire Wire Line
1800 6800 2000 6800
$Comp
L power:GND #PWR016
U 1 1 600E3302
P 2500 7050
F 0 "#PWR016" H 2500 6800 50 0001 C CNN
F 1 "GND" H 2505 6877 50 0000 C CNN
F 2 "" H 2500 7050 50 0001 C CNN
F 3 "" H 2500 7050 50 0001 C CNN
1 2500 7050
1 0 0 -1
$EndComp
Wire Wire Line
2500 7050 2500 7000
Wire Wire Line
2500 7000 2600 7000
Connection ~ 8350 3250
Connection ~ 8350 3850
Wire Wire Line
8350 3850 8600 3850
Wire Wire Line
8350 3250 8600 3250
Wire Wire Line
8100 3250 8100 3400
Wire Wire Line
8100 3250 8350 3250
Wire Wire Line
8100 3700 8100 3850
Wire Wire Line
8100 3850 8350 3850
Text HLabel 1350 2500 0 50 Input ~ 0
VCA_G_1_1
Text HLabel 1350 2600 0 50 Input ~ 0
VCA_G_1_2
Text HLabel 1350 2700 0 50 Input ~ 0
VCA_G_1_3
$Comp
L power:GND #PWR0101
U 1 1 60108532
P 1400 2750
F 0 "#PWR0101" H 1400 2500 50 0001 C CNN
F 1 "GND" H 1405 2577 50 0000 C CNN
F 2 "" H 1400 2750 50 0001 C CNN
F 3 "" H 1400 2750 50 0001 C CNN
1 1400 2750
1 0 0 -1
$EndComp
Wire Wire Line
1400 2750 1400 2700
Wire Wire Line
1400 2700 1350 2700
$Comp
L Device:R R67
U 1 1 6010DE1E
P 1400 2300
F 0 "R67" V 1193 2300 50 0000 C CNN
F 1 "4k7" V 1284 2300 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 1330 2300 50 0001 C CNN
F 3 "~" H 1400 2300 50 0001 C CNN
1 1400 2300
-1 0 0 1
$EndComp
Wire Wire Line
1350 2500 1400 2500
Wire Wire Line
1400 2500 1400 2450
$Comp
L power:+12V #PWR0102
U 1 1 601134AA
P 1400 2150
F 0 "#PWR0102" H 1400 2000 50 0001 C CNN
F 1 "+12V" H 1415 2323 50 0000 C CNN
F 2 "" H 1400 2150 50 0001 C CNN
F 3 "" H 1400 2150 50 0001 C CNN
1 1400 2150
1 0 0 -1
$EndComp
$Comp
L Device:R R69
U 1 1 601145FA
P 1800 2600
F 0 "R69" V 1593 2600 50 0000 C CNN
F 1 "470k" V 1684 2600 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 1730 2600 50 0001 C CNN
F 3 "~" H 1800 2600 50 0001 C CNN
1 1800 2600
0 1 1 0
$EndComp
Wire Wire Line
1650 2600 1350 2600
Wire Wire Line
1950 2600 2450 2600
Connection ~ 2450 2600
Wire Wire Line
2450 2600 2450 2700
Text HLabel 1350 6000 0 50 Input ~ 0
VCA_G_2_1
Text HLabel 1350 6100 0 50 Input ~ 0
VCA_G_2_2
Text HLabel 1350 6200 0 50 Input ~ 0
VCA_G_2_3
$Comp
L power:GND #PWR0103
U 1 1 601269EA
P 1400 6250
F 0 "#PWR0103" H 1400 6000 50 0001 C CNN
F 1 "GND" H 1405 6077 50 0000 C CNN
F 2 "" H 1400 6250 50 0001 C CNN
F 3 "" H 1400 6250 50 0001 C CNN
1 1400 6250
1 0 0 -1
$EndComp
Wire Wire Line
1400 6250 1400 6200
Wire Wire Line
1400 6200 1350 6200
$Comp
L Device:R R68
U 1 1 601269F2
P 1400 5800
F 0 "R68" V 1193 5800 50 0000 C CNN
F 1 "4k7" V 1284 5800 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 1330 5800 50 0001 C CNN
F 3 "~" H 1400 5800 50 0001 C CNN
1 1400 5800
-1 0 0 1
$EndComp
Wire Wire Line
1350 6000 1400 6000
Wire Wire Line
1400 6000 1400 5950
$Comp
L power:+12V #PWR0104
U 1 1 601269FA
P 1400 5650
F 0 "#PWR0104" H 1400 5500 50 0001 C CNN
F 1 "+12V" H 1415 5823 50 0000 C CNN
F 2 "" H 1400 5650 50 0001 C CNN
F 3 "" H 1400 5650 50 0001 C CNN
1 1400 5650
1 0 0 -1
$EndComp
$Comp
L Device:R R70
U 1 1 60126A00
P 1800 6100
F 0 "R70" V 1593 6100 50 0000 C CNN
F 1 "470k" V 1684 6100 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 1730 6100 50 0001 C CNN
F 3 "~" H 1800 6100 50 0001 C CNN
1 1800 6100
0 1 1 0
$EndComp
Wire Wire Line
1650 6100 1350 6100
Wire Wire Line
1950 6100 2450 6100
Connection ~ 2450 6100
Wire Wire Line
2450 6100 2450 6200
$Comp
L Amplifier_Operational:TL084 U1
U 1 1 6013392D
P 2900 3400
F 0 "U1" H 2900 3033 50 0000 C CNN
F 1 "TL084" H 2900 3124 50 0000 C CNN
F 2 "Package_SO:TSSOP-14_4.4x5mm_P0.65mm" H 2850 3500 50 0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/tl081.pdf" H 2950 3600 50 0001 C CNN
1 2900 3400
1 0 0 1
$EndComp
$Comp
L Amplifier_Operational:TL084 U1
U 2 1 60135726
P 5350 1650
F 0 "U1" H 5350 1283 50 0000 C CNN
F 1 "TL084" H 5350 1374 50 0000 C CNN
F 2 "Package_SO:TSSOP-14_4.4x5mm_P0.65mm" H 5300 1750 50 0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/tl081.pdf" H 5400 1850 50 0001 C CNN
2 5350 1650
1 0 0 1
$EndComp
$Comp
L Amplifier_Operational:TL084 U1
U 3 1 60136D9E
P 2900 6900
F 0 "U1" H 2900 6533 50 0000 C CNN
F 1 "TL084" H 2900 6624 50 0000 C CNN
F 2 "Package_SO:TSSOP-14_4.4x5mm_P0.65mm" H 2850 7000 50 0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/tl081.pdf" H 2950 7100 50 0001 C CNN
3 2900 6900
1 0 0 1
$EndComp
$Comp
L Amplifier_Operational:TL084 U1
U 4 1 60138666
P 5350 5150
F 0 "U1" H 5350 4783 50 0000 C CNN
F 1 "TL084" H 5350 4874 50 0000 C CNN
F 2 "Package_SO:TSSOP-14_4.4x5mm_P0.65mm" H 5300 5250 50 0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/tl081.pdf" H 5400 5350 50 0001 C CNN
4 5350 5150
1 0 0 1
$EndComp
$Comp
L Amplifier_Operational:TL084 U1
U 5 1 6013953C
P 8700 3550
F 0 "U1" H 8658 3596 50 0000 L CNN
F 1 "TL084" H 8658 3505 50 0000 L CNN
F 2 "Package_SO:TSSOP-14_4.4x5mm_P0.65mm" H 8650 3650 50 0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/tl081.pdf" H 8750 3750 50 0001 C CNN
5 8700 3550
1 0 0 -1
$EndComp
Wire Wire Line
3050 1450 3050 1650
Wire Wire Line
3050 1450 3150 1450
Wire Wire Line
3150 1650 3050 1650
Connection ~ 3050 1650
Wire Wire Line
3050 1650 3050 1800
Wire Wire Line
3450 1450 3550 1450
Wire Wire Line
3450 1650 4050 1650
Wire Wire Line
3450 1100 3550 1100
Wire Wire Line
3550 1100 3550 1450
Connection ~ 3550 1450
Wire Wire Line
3550 1450 4050 1450
Wire Wire Line
3050 4950 3050 5150
Wire Wire Line
3050 4950 3150 4950
Wire Wire Line
3150 5150 3050 5150
Connection ~ 3050 5150
Wire Wire Line
3050 5150 3050 5300
Wire Wire Line
3450 5150 4050 5150
Wire Wire Line
3450 4950 3550 4950
Wire Wire Line
3450 4600 3550 4600
Wire Wire Line
3550 4600 3550 4950
Connection ~ 3550 4950
Wire Wire Line
3550 4950 4050 4950
$EndSCHEMATC
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