lfo.sch

EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title "LFO"
Date "2021-09-25"
Rev "v1.0.0"
Comp "Jan Knipper"
Comment1 "github.com/polykit"
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L Amplifier_Operational:TL074 U1
U 2 1 611319CB
P 5150 3100
F 0 "U1" H 5150 3467 50  0000 C CNN
F 1 "TL074" H 5150 3376 50  0000 C CNN
F 2 "Package_DIP:DIP-14_W7.62mm_Socket_LongPads" H 5100 3200 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/tl071.pdf" H 5200 3300 50  0001 C CNN
	2    5150 3100
	1    0    0    -1  
$EndComp
$Comp
L Amplifier_Operational:TL074 U1
U 3 1 61132622
P 5150 4100
F 0 "U1" H 5150 3733 50  0000 C CNN
F 1 "TL074" H 5150 3824 50  0000 C CNN
F 2 "Package_DIP:DIP-14_W7.62mm_Socket_LongPads" H 5100 4200 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/tl071.pdf" H 5200 4300 50  0001 C CNN
	3    5150 4100
	1    0    0    1   
$EndComp
$Comp
L Amplifier_Operational:TL074 U1
U 4 1 6113384B
P 5150 5900
F 0 "U1" H 5150 5533 50  0000 C CNN
F 1 "TL074" H 5150 5624 50  0000 C CNN
F 2 "Package_DIP:DIP-14_W7.62mm_Socket_LongPads" H 5100 6000 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/tl071.pdf" H 5200 6100 50  0001 C CNN
	4    5150 5900
	1    0    0    1   
$EndComp
$Comp
L Amplifier_Operational:TL074 U1
U 5 1 611345E9
P 7900 5400
F 0 "U1" H 7858 5446 50  0000 L CNN
F 1 "TL074" H 7858 5355 50  0000 L CNN
F 2 "Package_DIP:DIP-14_W7.62mm_Socket_LongPads" H 7850 5500 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/tl071.pdf" H 7950 5600 50  0001 C CNN
	5    7900 5400
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0101
U 1 1 611373C1
P 3600 3500
F 0 "#PWR0101" H 3600 3250 50  0001 C CNN
F 1 "GND" H 3605 3327 50  0000 C CNN
F 2 "" H 3600 3500 50  0001 C CNN
F 3 "" H 3600 3500 50  0001 C CNN
	1    3600 3500
	1    0    0    -1  
$EndComp
$Comp
L Device:C C1
U 1 1 61137D2B
P 4000 2400
F 0 "C1" V 3748 2400 50  0000 C CNN
F 1 "2u2 NP" V 3839 2400 50  0000 C CNN
F 2 "Capacitor_THT:C_Rect_L7.0mm_W3.5mm_P5.00mm" H 4038 2250 50  0001 C CNN
F 3 "~" H 4000 2400 50  0001 C CNN
	1    4000 2400
	0    1    1    0   
$EndComp
$Comp
L Device:R R2
U 1 1 61138E5A
P 4600 3000
F 0 "R2" V 4393 3000 50  0000 C CNN
F 1 "100k" V 4484 3000 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 4530 3000 50  0001 C CNN
F 3 "~" H 4600 3000 50  0001 C CNN
	1    4600 3000
	0    1    1    0   
$EndComp
Wire Wire Line
	4750 3000 4850 3000
$Comp
L power:GND #PWR0102
U 1 1 611414DE
P 4750 3500
F 0 "#PWR0102" H 4750 3250 50  0001 C CNN
F 1 "GND" H 4755 3327 50  0000 C CNN
F 2 "" H 4750 3500 50  0001 C CNN
F 3 "" H 4750 3500 50  0001 C CNN
	1    4750 3500
	1    0    0    -1  
$EndComp
Wire Wire Line
	4850 3200 4750 3200
Wire Wire Line
	4750 3200 4750 3500
Wire Wire Line
	3700 3100 3600 3100
Wire Wire Line
	3600 3100 3600 3500
Wire Wire Line
	3700 2900 3600 2900
Wire Wire Line
	3600 2900 3600 2400
Wire Wire Line
	3600 2400 3850 2400
$Comp
L Amplifier_Operational:TL074 U1
U 1 1 6113152B
P 4000 3000
F 0 "U1" H 4000 2633 50  0000 C CNN
F 1 "TL074" H 4000 2724 50  0000 C CNN
F 2 "Package_DIP:DIP-14_W7.62mm_Socket_LongPads" H 3950 3100 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/tl071.pdf" H 4050 3200 50  0001 C CNN
	1    4000 3000
	1    0    0    1   
$EndComp
Wire Wire Line
	4300 3000 4400 3000
Wire Wire Line
	4400 2400 4400 3000
Wire Wire Line
	4150 2400 4400 2400
Wire Wire Line
	4400 3000 4450 3000
Connection ~ 4400 3000
$Comp
L Device:R R6
U 1 1 61153964
P 5150 2600
F 0 "R6" V 4943 2600 50  0000 C CNN
F 1 "220k" V 5034 2600 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 5080 2600 50  0001 C CNN
F 3 "~" H 5150 2600 50  0001 C CNN
	1    5150 2600
	0    1    1    0   
$EndComp
Wire Wire Line
	5000 2600 4850 2600
Wire Wire Line
	4850 2600 4850 3000
Connection ~ 4850 3000
Wire Wire Line
	5300 2600 5450 2600
Wire Wire Line
	5450 2600 5450 3100
$Comp
L Device:R R1
U 1 1 61156C36
P 4000 1900
F 0 "R1" V 3793 1900 50  0000 C CNN
F 1 "100" V 3884 1900 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 3930 1900 50  0001 C CNN
F 3 "~" H 4000 1900 50  0001 C CNN
	1    4000 1900
	0    1    1    0   
$EndComp
Wire Wire Line
	3600 2400 3600 1900
Wire Wire Line
	3600 1900 3850 1900
Connection ~ 3600 2400
$Comp
L Device:R_POT RV2
U 1 1 61158389
P 5150 1900
F 0 "RV2" V 5035 1900 50  0000 C CNN
F 1 "RATE 1M" V 4944 1900 50  0000 C CNN
F 2 "Potentiometer_THT:Potentiometer_Alpha_RD901F-40-00D_Single_Vertical" H 5150 1900 50  0001 C CNN
F 3 "~" H 5150 1900 50  0001 C CNN
	1    5150 1900
	0    -1   -1   0   
$EndComp
Wire Wire Line
	5150 1750 5000 1750
Wire Wire Line
	5000 1750 5000 1900
Wire Wire Line
	4150 1900 5000 1900
Connection ~ 5000 1900
Wire Wire Line
	5300 1900 5450 1900
Wire Wire Line
	5450 1900 5450 2600
Connection ~ 5450 2600
Text GLabel 5900 3100 2    50   Input ~ 0
SQUARE
$Comp
L Diode:1N4148 D2
U 1 1 6115DFAF
P 5700 3400
F 0 "D2" H 5700 3183 50  0000 C CNN
F 1 "1N4148" H 5700 3274 50  0000 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 5700 3225 50  0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" H 5700 3400 50  0001 C CNN
	1    5700 3400
	-1   0    0    1   
$EndComp
Wire Wire Line
	5450 3100 5450 3400
Wire Wire Line
	5450 3400 5550 3400
Connection ~ 5450 3100
Wire Wire Line
	5450 3100 5900 3100
Text GLabel 5900 3400 2    50   Input ~ 0
SQUARE_POS
Wire Wire Line
	5850 3400 5900 3400
$Comp
L Device:R R3
U 1 1 61176332
P 4600 3850
F 0 "R3" V 4393 3850 50  0000 C CNN
F 1 "100k" V 4484 3850 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 4530 3850 50  0001 C CNN
F 3 "~" H 4600 3850 50  0001 C CNN
	1    4600 3850
	0    1    1    0   
$EndComp
Wire Wire Line
	4850 4000 4800 4000
$Comp
L power:GND #PWR0103
U 1 1 61179F6B
P 4750 4500
F 0 "#PWR0103" H 4750 4250 50  0001 C CNN
F 1 "GND" H 4755 4327 50  0000 C CNN
F 2 "" H 4750 4500 50  0001 C CNN
F 3 "" H 4750 4500 50  0001 C CNN
	1    4750 4500
	1    0    0    -1  
$EndComp
Wire Wire Line
	4850 4200 4750 4200
Wire Wire Line
	4750 4200 4750 4500
$Comp
L Device:R R4
U 1 1 6117D8E4
P 4600 4000
F 0 "R4" V 4715 4000 50  0000 C CNN
F 1 "100k" V 4806 4000 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 4530 4000 50  0001 C CNN
F 3 "~" H 4600 4000 50  0001 C CNN
	1    4600 4000
	0    1    1    0   
$EndComp
Wire Wire Line
	4750 3850 4800 3850
Wire Wire Line
	4800 3850 4800 4000
Connection ~ 4800 4000
Wire Wire Line
	4800 4000 4750 4000
Wire Wire Line
	4450 3850 4400 3850
Wire Wire Line
	4400 3850 4400 3000
$Comp
L Device:R_POT_TRIM RV1
U 1 1 6117FACB
P 3600 4250
F 0 "RV1" H 3530 4296 50  0000 R CNN
F 1 "OFFSET 100k" H 3530 4205 50  0000 R CNN
F 2 "Potentiometer_THT:Potentiometer_ACP_CA9-H5_Horizontal" H 3600 4250 50  0001 C CNN
F 3 "~" H 3600 4250 50  0001 C CNN
	1    3600 4250
	1    0    0    -1  
$EndComp
Wire Wire Line
	4450 4000 4100 4000
Wire Wire Line
	4100 4000 4100 4250
Wire Wire Line
	4100 4250 3750 4250
$Comp
L power:+12V #PWR0104
U 1 1 61181319
P 3600 4100
F 0 "#PWR0104" H 3600 3950 50  0001 C CNN
F 1 "+12V" H 3615 4273 50  0000 C CNN
F 2 "" H 3600 4100 50  0001 C CNN
F 3 "" H 3600 4100 50  0001 C CNN
	1    3600 4100
	1    0    0    -1  
$EndComp
$Comp
L power:-12V #PWR0105
U 1 1 61181E11
P 3600 4400
F 0 "#PWR0105" H 3600 4500 50  0001 C CNN
F 1 "-12V" H 3615 4573 50  0000 C CNN
F 2 "" H 3600 4400 50  0001 C CNN
F 3 "" H 3600 4400 50  0001 C CNN
	1    3600 4400
	-1   0    0    1   
$EndComp
$Comp
L Device:R R7
U 1 1 61183711
P 5150 3650
F 0 "R7" V 4943 3650 50  0000 C CNN
F 1 "100k" V 5034 3650 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 5080 3650 50  0001 C CNN
F 3 "~" H 5150 3650 50  0001 C CNN
	1    5150 3650
	0    1    1    0   
$EndComp
Wire Wire Line
	5000 3650 4800 3650
Wire Wire Line
	4800 3650 4800 3850
Connection ~ 4800 3850
Wire Wire Line
	5300 3650 5450 3650
Wire Wire Line
	5450 3650 5450 4100
Wire Wire Line
	5450 4100 5900 4100
Connection ~ 5450 4100
Text GLabel 5900 4100 2    50   Input ~ 0
TRIANGLE
$Comp
L power:GND #PWR0106
U 1 1 6118D9E9
P 4750 6300
F 0 "#PWR0106" H 4750 6050 50  0001 C CNN
F 1 "GND" H 4755 6127 50  0000 C CNN
F 2 "" H 4750 6300 50  0001 C CNN
F 3 "" H 4750 6300 50  0001 C CNN
	1    4750 6300
	1    0    0    -1  
$EndComp
Wire Wire Line
	4850 6000 4750 6000
Wire Wire Line
	4750 6000 4750 6300
Text GLabel 4450 5800 0    50   Input ~ 0
LED
Text GLabel 4400 3400 0    50   Input ~ 0
LED
$Comp
L Device:R R5
U 1 1 61191A11
P 4650 5800
F 0 "R5" V 4443 5800 50  0000 C CNN
F 1 "1k" V 4534 5800 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 4580 5800 50  0001 C CNN
F 3 "~" H 4650 5800 50  0001 C CNN
	1    4650 5800
	0    1    1    0   
$EndComp
Wire Wire Line
	4850 5800 4800 5800
Wire Wire Line
	4500 5800 4450 5800
$Comp
L Device:LED_Dual_2pin D1
U 1 1 61199636
P 5150 5300
F 0 "D1" H 5150 5696 50  0000 C CNN
F 1 "LED_Dual_2pin" H 5150 5605 50  0000 C CNN
F 2 "LED_THT:LED_D5.0mm" H 5150 5300 50  0001 C CNN
F 3 "~" H 5150 5300 50  0001 C CNN
	1    5150 5300
	1    0    0    -1  
$EndComp
Wire Wire Line
	5450 5300 5450 5900
Wire Wire Line
	4850 5300 4850 5800
Connection ~ 4850 5800
Text GLabel 8400 3000 0    50   Input ~ 0
SQUARE
Text GLabel 8400 3100 0    50   Input ~ 0
SQUARE_POS
Text GLabel 8400 3200 0    50   Input ~ 0
TRIANGLE
$Comp
L Connector_Generic:Conn_01x04 J1
U 1 1 611BAB56
P 8600 3100
F 0 "J1" H 8680 3092 50  0000 L CNN
F 1 "SWITCH" H 8680 3001 50  0000 L CNN
F 2 "Connector_Molex:Molex_KK-254_AE-6410-04A_1x04_P2.54mm_Vertical" H 8600 3100 50  0001 C CNN
F 3 "~" H 8600 3100 50  0001 C CNN
	1    8600 3100
	1    0    0    -1  
$EndComp
Text GLabel 8400 3300 0    50   Input ~ 0
INPUT
$Comp
L Connector_Generic:Conn_01x02 J2
U 1 1 611BC9C5
P 8600 3600
F 0 "J2" H 8680 3592 50  0000 L CNN
F 1 "OUTPUT" H 8680 3501 50  0000 L CNN
F 2 "Connector_Molex:Molex_KK-254_AE-6410-02A_1x02_P2.54mm_Vertical" H 8600 3600 50  0001 C CNN
F 3 "~" H 8600 3600 50  0001 C CNN
	1    8600 3600
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0107
U 1 1 611BD1CB
P 8250 3950
F 0 "#PWR0107" H 8250 3700 50  0001 C CNN
F 1 "GND" H 8255 3777 50  0000 C CNN
F 2 "" H 8250 3950 50  0001 C CNN
F 3 "" H 8250 3950 50  0001 C CNN
	1    8250 3950
	1    0    0    -1  
$EndComp
Wire Wire Line
	8400 3700 8250 3700
Wire Wire Line
	8250 3700 8250 3950
Text GLabel 8400 3600 0    50   Input ~ 0
OUT
$Comp
L Device:R_POT RV3
U 1 1 611C5D6F
P 7200 3400
F 0 "RV3" H 7130 3354 50  0000 R CNN
F 1 "LEVEL 100k" H 7130 3445 50  0000 R CNN
F 2 "Potentiometer_THT:Potentiometer_Alpha_RD901F-40-00D_Single_Vertical" H 7200 3400 50  0001 C CNN
F 3 "~" H 7200 3400 50  0001 C CNN
	1    7200 3400
	-1   0    0    1   
$EndComp
Text GLabel 7200 3250 1    50   Input ~ 0
INPUT
Text GLabel 7050 3400 0    50   Input ~ 0
OUT
$Comp
L power:GND #PWR0108
U 1 1 611D18E6
P 7200 3800
F 0 "#PWR0108" H 7200 3550 50  0001 C CNN
F 1 "GND" H 7205 3627 50  0000 C CNN
F 2 "" H 7200 3800 50  0001 C CNN
F 3 "" H 7200 3800 50  0001 C CNN
	1    7200 3800
	1    0    0    -1  
$EndComp
Wire Wire Line
	7200 3550 7200 3800
$Comp
L Device:C C2
U 1 1 61207889
P 7550 5400
F 0 "C2" H 7665 5446 50  0000 L CNN
F 1 "100n" H 7665 5355 50  0000 L CNN
F 2 "Capacitor_THT:C_Disc_D3.0mm_W2.0mm_P2.50mm" H 7588 5250 50  0001 C CNN
F 3 "~" H 7550 5400 50  0001 C CNN
	1    7550 5400
	1    0    0    -1  
$EndComp
Wire Wire Line
	7800 5100 7550 5100
Wire Wire Line
	7550 5100 7550 5250
Wire Wire Line
	7550 5550 7550 5700
Wire Wire Line
	7550 5700 7800 5700
$Comp
L power:-12V #PWR0109
U 1 1 61210A43
P 7800 5700
F 0 "#PWR0109" H 7800 5800 50  0001 C CNN
F 1 "-12V" H 7815 5873 50  0000 C CNN
F 2 "" H 7800 5700 50  0001 C CNN
F 3 "" H 7800 5700 50  0001 C CNN
	1    7800 5700
	-1   0    0    1   
$EndComp
$Comp
L power:+12V #PWR0110
U 1 1 6121486F
P 7800 5100
F 0 "#PWR0110" H 7800 4950 50  0001 C CNN
F 1 "+12V" H 7815 5273 50  0000 C CNN
F 2 "" H 7800 5100 50  0001 C CNN
F 3 "" H 7800 5100 50  0001 C CNN
	1    7800 5100
	1    0    0    -1  
$EndComp
$Comp
L Connector_Generic:Conn_02x05_Odd_Even J3
U 1 1 612191D9
P 10100 5400
F 0 "J3" H 10150 4975 50  0000 C CNN
F 1 "POWER" H 10150 5066 50  0000 C CNN
F 2 "Connector_IDC:IDC-Header_2x05_P2.54mm_Vertical" H 10100 5400 50  0001 C CNN
F 3 "~" H 10100 5400 50  0001 C CNN
	1    10100 5400
	-1   0    0    1   
$EndComp
Connection ~ 7800 5100
Connection ~ 7800 5700
Wire Wire Line
	9800 5200 10300 5200
Wire Wire Line
	10300 5300 9800 5300
Wire Wire Line
	9800 5400 10300 5400
Wire Wire Line
	10300 5500 9800 5500
Wire Wire Line
	9800 5600 10300 5600
Wire Wire Line
	10300 5300 10300 5400
Connection ~ 10300 5300
Connection ~ 10300 5400
Wire Wire Line
	10300 5400 10300 5500
Connection ~ 10300 5500
Wire Wire Line
	9800 5300 9800 5400
Connection ~ 9800 5300
Connection ~ 9800 5400
Wire Wire Line
	9800 5500 9800 5400
Connection ~ 9800 5500
$Comp
L Device:R R9
U 1 1 6123E97F
P 9650 5200
F 0 "R9" V 9857 5200 50  0000 C CNN
F 1 "10" V 9766 5200 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 9580 5200 50  0001 C CNN
F 3 "~" H 9650 5200 50  0001 C CNN
	1    9650 5200
	0    -1   -1   0   
$EndComp
$Comp
L Device:R R10
U 1 1 61240278
P 9650 5600
F 0 "R10" V 9535 5600 50  0000 C CNN
F 1 "10" V 9444 5600 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 9580 5600 50  0001 C CNN
F 3 "~" H 9650 5600 50  0001 C CNN
	1    9650 5600
	0    -1   -1   0   
$EndComp
$Comp
L power:-12V #PWR0111
U 1 1 61242060
P 9500 5900
F 0 "#PWR0111" H 9500 6000 50  0001 C CNN
F 1 "-12V" H 9515 6073 50  0000 C CNN
F 2 "" H 9500 5900 50  0001 C CNN
F 3 "" H 9500 5900 50  0001 C CNN
	1    9500 5900
	-1   0    0    1   
$EndComp
$Comp
L power:+12V #PWR0112
U 1 1 61243B41
P 9500 4900
F 0 "#PWR0112" H 9500 4750 50  0001 C CNN
F 1 "+12V" H 9515 5073 50  0000 C CNN
F 2 "" H 9500 4900 50  0001 C CNN
F 3 "" H 9500 4900 50  0001 C CNN
	1    9500 4900
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0113
U 1 1 6124B03F
P 10450 5900
F 0 "#PWR0113" H 10450 5650 50  0001 C CNN
F 1 "GND" H 10455 5727 50  0000 C CNN
F 2 "" H 10450 5900 50  0001 C CNN
F 3 "" H 10450 5900 50  0001 C CNN
	1    10450 5900
	1    0    0    -1  
$EndComp
Wire Wire Line
	10300 5400 10450 5400
$Comp
L Device:CP C4
U 1 1 6124DD07
P 9500 5350
F 0 "C4" H 9618 5396 50  0000 L CNN
F 1 "10u" H 9618 5305 50  0000 L CNN
F 2 "Capacitor_THT:CP_Radial_D5.0mm_P2.50mm" H 9538 5200 50  0001 C CNN
F 3 "~" H 9500 5350 50  0001 C CNN
	1    9500 5350
	1    0    0    -1  
$EndComp
Connection ~ 9500 5200
$Comp
L Device:CP C3
U 1 1 6124F753
P 9250 5750
F 0 "C3" H 9368 5704 50  0000 L CNN
F 1 "10u" H 9368 5795 50  0000 L CNN
F 2 "Capacitor_THT:CP_Radial_D5.0mm_P2.50mm" H 9288 5600 50  0001 C CNN
F 3 "~" H 9250 5750 50  0001 C CNN
	1    9250 5750
	-1   0    0    1   
$EndComp
$Comp
L power:GND #PWR0114
U 1 1 61252A8B
P 9250 5900
F 0 "#PWR0114" H 9250 5650 50  0001 C CNN
F 1 "GND" H 9255 5727 50  0000 C CNN
F 2 "" H 9250 5900 50  0001 C CNN
F 3 "" H 9250 5900 50  0001 C CNN
	1    9250 5900
	1    0    0    -1  
$EndComp
Wire Wire Line
	9500 5500 9800 5500
Wire Wire Line
	9500 5600 9250 5600
Connection ~ 9500 5600
Wire Wire Line
	9500 5600 9500 5900
Wire Wire Line
	10450 5400 10450 5900
Wire Wire Line
	9500 4900 9500 5200
$EndSCHEMATC