EESchema Schematic File Version 2
LIBS:power
LIBS:device
LIBS:transistors
LIBS:conn
LIBS:linear
LIBS:regul
LIBS:74xx
LIBS:cmos4000
LIBS:adc-dac
LIBS:memory
LIBS:xilinx
LIBS:microcontrollers
LIBS:dsp
LIBS:microchip
LIBS:analog_switches
LIBS:motorola
LIBS:texas
LIBS:intel
LIBS:audio
LIBS:interface
LIBS:digital-audio
LIBS:philips
LIBS:display
LIBS:cypress
LIBS:siliconi
LIBS:opto
LIBS:atmel
LIBS:contrib
LIBS:valves
LIBS:switches
LIBS:74xgxx
LIBS:ac-dc
LIBS:actel
LIBS:allegro
LIBS:Altera
LIBS:analog_devices
LIBS:battery_management
LIBS:bbd
LIBS:brooktre
LIBS:cmos_ieee
LIBS:dc-dc
LIBS:diode
LIBS:elec-unifil
LIBS:ESD_Protection
LIBS:ftdi
LIBS:gennum
LIBS:graphic
LIBS:hc11
LIBS:ir
LIBS:Lattice
LIBS:logo
LIBS:maxim
LIBS:mechanical
LIBS:microchip_dspic33dsc
LIBS:microchip_pic10mcu
LIBS:microchip_pic12mcu
LIBS:microchip_pic16mcu
LIBS:microchip_pic18mcu
LIBS:microchip_pic32mcu
LIBS:motor_drivers
LIBS:motors
LIBS:msp430
LIBS:nordicsemi
LIBS:nxp_armmcu
LIBS:onsemi
LIBS:Oscillators
LIBS:powerint
LIBS:Power_Management
LIBS:pspice
LIBS:references
LIBS:relays
LIBS:rfcom
LIBS:sensors
LIBS:silabs
LIBS:stm8
LIBS:stm32
LIBS:supertex
LIBS:transf
LIBS:ttl_ieee
LIBS:video
LIBS:wiznet
LIBS:Worldsemi
LIBS:Xicor
LIBS:zetex
LIBS:Zilog
LIBS:1_VCO-cache
EELAYER 25 0
EELAYER END
$Descr A3 16535 11693
encoding utf-8
Sheet 1 1
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L SW_SPDT S14
U 1 1 5B27F8D3
P 1350 1500
F 0 "S14" V 1250 1300 50  0000 C CNN
F 1 "SPDT" V 1350 1300 50  0000 C CNN
F 2 "" H 1350 1500 50  0000 C CNN
F 3 "" H 1350 1500 50  0000 C CNN
	1    1350 1500
	0    1    1    0   
$EndComp
$Comp
L SW_SPDT S14?
U 1 1 5B27F96F
P 1450 2300
F 0 "S14?" V 1350 2500 50  0000 C CNN
F 1 "SPDT" V 1450 2500 50  0000 C CNN
F 2 "" H 1450 2300 50  0000 C CNN
F 3 "" H 1450 2300 50  0000 C CNN
	1    1450 2300
	0    1    1    0   
$EndComp
Text GLabel 1250 2000 0    60   Input ~ 0
LFO-OUT
$Comp
L R R43
U 1 1 5B27FD78
P 1950 1250
F 0 "R43" H 2100 1200 50  0000 C CNN
F 1 "4.7K" H 2100 1300 50  0000 C CNN
F 2 "" V 1880 1250 50  0000 C CNN
F 3 "" H 1950 1250 50  0000 C CNN
	1    1950 1250
	-1   0    0    1   
$EndComp
$Comp
L R R41
U 1 1 5B27FE15
P 1950 2050
F 0 "R41" H 2100 2000 50  0000 C CNN
F 1 "30K" H 2100 2100 50  0000 C CNN
F 2 "" V 1880 2050 50  0000 C CNN
F 3 "" H 1950 2050 50  0000 C CNN
	1    1950 2050
	-1   0    0    1   
$EndComp
$Comp
L R R17
U 1 1 5B27FEDB
P 2350 1650
F 0 "R17" V 2430 1650 50  0000 C CNN
F 1 "100K" V 2350 1650 50  0000 C CNN
F 2 "" V 2280 1650 50  0000 C CNN
F 3 "" H 2350 1650 50  0000 C CNN
	1    2350 1650
	0    1    1    0   
$EndComp
$Comp
L POT R42
U 1 1 5B280443
P 1950 1650
F 0 "R42" H 1800 1700 50  0000 C CNN
F 1 "250K" H 1800 1600 50  0000 C CNN
F 2 "" H 1950 1650 50  0000 C CNN
F 3 "" H 1950 1650 50  0000 C CNN
	1    1950 1650
	1    0    0    -1  
$EndComp
$Comp
L Earth #PWR?
U 1 1 5B280A5F
P 1950 2300
F 0 "#PWR?" H 1950 2050 50  0001 C CNN
F 1 "Earth" H 1950 2150 50  0001 C CNN
F 2 "" H 1950 2300 50  0000 C CNN
F 3 "" H 1950 2300 50  0000 C CNN
	1    1950 2300
	1    0    0    -1  
$EndComp
$Comp
L POT R40
U 1 1 5B280ADF
P 1950 2650
F 0 "R40" H 1800 2700 50  0000 C CNN
F 1 "250K" H 1800 2600 50  0000 C CNN
F 2 "" H 1950 2650 50  0000 C CNN
F 3 "" H 1950 2650 50  0000 C CNN
	1    1950 2650
	1    0    0    -1  
$EndComp
$Comp
L Earth #PWR?
U 1 1 5B280B23
P 1950 2900
F 0 "#PWR?" H 1950 2650 50  0001 C CNN
F 1 "Earth" H 1950 2750 50  0001 C CNN
F 2 "" H 1950 2900 50  0000 C CNN
F 3 "" H 1950 2900 50  0000 C CNN
	1    1950 2900
	1    0    0    -1  
$EndComp
$Comp
L R R18
U 1 1 5B280B5A
P 2350 2650
F 0 "R18" V 2450 2650 50  0000 C CNN
F 1 "100K" V 2350 2650 50  0000 C CNN
F 2 "" V 2280 2650 50  0000 C CNN
F 3 "" H 2350 2650 50  0000 C CNN
	1    2350 2650
	0    1    1    0   
$EndComp
$Comp
L LM2902N IC3
U 2 1 5B280DD1
P 4300 1550
F 0 "IC3" H 4300 1750 50  0000 L CNN
F 1 "LM3900" H 4300 1350 50  0000 L CNN
F 2 "" H 4250 1650 50  0000 C CNN
F 3 "" H 4350 1750 50  0000 C CNN
	2    4300 1550
	1    0    0    1   
$EndComp
$Comp
L LM2902N IC3
U 3 1 5B280E2A
P 4550 2550
F 0 "IC3" H 4550 2750 50  0000 L CNN
F 1 "LM3900" H 4550 2350 50  0000 L CNN
F 2 "" H 4500 2650 50  0000 C CNN
F 3 "" H 4600 2750 50  0000 C CNN
	3    4550 2550
	-1   0    0    1   
$EndComp
$Comp
L LM2902N IC3
U 1 1 5B280D59
P 3050 1550
F 0 "IC3" H 3050 1750 50  0000 L CNN
F 1 "LM3900" H 3050 1350 50  0000 L CNN
F 2 "" H 3000 1650 50  0000 C CNN
F 3 "" H 3100 1750 50  0000 C CNN
	1    3050 1550
	1    0    0    1   
$EndComp
$Comp
L R R11
U 1 1 5B28127A
P 3750 1450
F 0 "R11" V 3830 1450 50  0000 C CNN
F 1 "100K" V 3750 1450 50  0000 C CNN
F 2 "" V 3680 1450 50  0000 C CNN
F 3 "" H 3750 1450 50  0000 C CNN
	1    3750 1450
	0    1    1    0   
$EndComp
$Comp
L R R15
U 1 1 5B281329
P 3750 1650
F 0 "R15" V 3830 1650 50  0000 C CNN
F 1 "47K" V 3750 1650 50  0000 C CNN
F 2 "" V 3680 1650 50  0000 C CNN
F 3 "" H 3750 1650 50  0000 C CNN
	1    3750 1650
	0    1    1    0   
$EndComp
$Comp
L R R16
U 1 1 5B28138D
P 3050 1050
F 0 "R16" V 3130 1050 50  0000 C CNN
F 1 "100K" V 3050 1050 50  0000 C CNN
F 2 "" V 2980 1050 50  0000 C CNN
F 3 "" H 3050 1050 50  0000 C CNN
	1    3050 1050
	0    1    1    0   
$EndComp
$Comp
L CP1 C6
U 1 1 5B281416
P 4350 1050
F 0 "C6" V 4450 1150 50  0000 L CNN
F 1 ".01µ" V 4450 800 50  0000 L CNN
F 2 "" H 4350 1050 50  0000 C CNN
F 3 "" H 4350 1050 50  0000 C CNN
	1    4350 1050
	0    -1   -1   0   
$EndComp
$Comp
L R R14
U 1 1 5B281494
P 4850 1850
F 0 "R14" H 5000 1900 50  0000 C CNN
F 1 "10K" H 5000 1800 50  0000 C CNN
F 2 "" V 4780 1850 50  0000 C CNN
F 3 "" H 4850 1850 50  0000 C CNN
	1    4850 1850
	1    0    0    -1  
$EndComp
$Comp
L R R13
U 1 1 5B281501
P 4500 2100
F 0 "R13" V 4580 2100 50  0000 C CNN
F 1 "100K" V 4500 2100 50  0000 C CNN
F 2 "" V 4430 2100 50  0000 C CNN
F 3 "" H 4500 2100 50  0000 C CNN
	1    4500 2100
	0    1    1    0   
$EndComp
$Comp
L R R12
U 1 1 5B281595
P 5100 2650
F 0 "R12" V 5180 2650 50  0000 C CNN
F 1 "20K" V 5100 2650 50  0000 C CNN
F 2 "" V 5030 2650 50  0000 C CNN
F 3 "" H 5100 2650 50  0000 C CNN
	1    5100 2650
	0    1    1    0   
$EndComp
$Comp
L R R8
U 1 1 5B281642
P 4150 2900
F 0 "R8" H 4300 2950 50  0000 C CNN
F 1 "100K" H 4300 2850 50  0000 C CNN
F 2 "" V 4080 2900 50  0000 C CNN
F 3 "" H 4150 2900 50  0000 C CNN
	1    4150 2900
	1    0    0    -1  
$EndComp
$Comp
L R R9
U 1 1 5B281729
P 4150 3350
F 0 "R9" H 4300 3400 50  0000 C CNN
F 1 "10K" H 4300 3300 50  0000 C CNN
F 2 "" V 4080 3350 50  0000 C CNN
F 3 "" H 4150 3350 50  0000 C CNN
	1    4150 3350
	1    0    0    -1  
$EndComp
$Comp
L R R10
U 1 1 5B2817A8
P 3850 2550
F 0 "R10" V 3930 2550 50  0000 C CNN
F 1 "10K" V 3850 2550 50  0000 C CNN
F 2 "" V 3780 2550 50  0000 C CNN
F 3 "" H 3850 2550 50  0000 C CNN
	1    3850 2550
	0    1    1    0   
$EndComp
$Comp
L BC550 Q4
U 1 1 5B281940
P 3350 2550
F 0 "Q4" H 3550 2625 50  0000 L CNN
F 1 "2N3904" H 3550 2550 50  0000 L CNN
F 2 "" H 3550 2475 50  0000 L CIN
F 3 "" H 3350 2550 50  0000 L CNN
	1    3350 2550
	-1   0    0    -1  
$EndComp
$Comp
L SW_SPDT S15
U 1 1 5B281DAB
P 5950 2050
F 0 "S15" V 5850 1750 50  0000 C CNN
F 1 "SPDT" V 5950 1750 50  0000 C CNN
F 2 "" H 5950 2050 50  0000 C CNN
F 3 "" H 5950 2050 50  0000 C CNN
	1    5950 2050
	0    1    1    0   
$EndComp
$Comp
L +9V #PWR?
U 1 1 5B2843FB
P 1000 1700
F 0 "#PWR?" H 1000 1550 50  0001 C CNN
F 1 "+9V" V 900 1750 50  0000 C CNN
F 2 "" H 1000 1700 50  0000 C CNN
F 3 "" H 1000 1700 50  0000 C CNN
	1    1000 1700
	0    -1   -1   0   
$EndComp
$Comp
L +9V #PWR?
U 1 1 5B2849CF
P 5350 2650
F 0 "#PWR?" H 5350 2500 50  0001 C CNN
F 1 "+9V" V 5350 2850 50  0000 C CNN
F 2 "" H 5350 2650 50  0000 C CNN
F 3 "" H 5350 2650 50  0000 C CNN
	1    5350 2650
	0    1    1    0   
$EndComp
$Comp
L Earth #PWR?
U 1 1 5B284A28
P 3250 2900
F 0 "#PWR?" H 3250 2650 50  0001 C CNN
F 1 "Earth" H 3250 2750 50  0001 C CNN
F 2 "" H 3250 2900 50  0000 C CNN
F 3 "" H 3250 2900 50  0000 C CNN
	1    3250 2900
	1    0    0    -1  
$EndComp
$Comp
L Earth #PWR?
U 1 1 5B284A98
P 4150 3600
F 0 "#PWR?" H 4150 3350 50  0001 C CNN
F 1 "Earth" H 4150 3450 50  0001 C CNN
F 2 "" H 4150 3600 50  0000 C CNN
F 3 "" H 4150 3600 50  0000 C CNN
	1    4150 3600
	1    0    0    -1  
$EndComp
Text GLabel 1200 2550 0    60   Input ~ 0
EG-OUT
Text Notes 2750 1750 0    60   ~ 0
1\n
Text Notes 2750 1400 0    60   ~ 0
6
Text Notes 3300 1650 0    60   ~ 0
5\n
Text Notes 4000 1750 0    60   ~ 0
13\n
Text Notes 4000 1400 0    60   ~ 0
8\n
Text Notes 4500 1650 0    60   ~ 0
9\n
Text Notes 4250 2650 0    60   ~ 0
10\n
Text Notes 4850 2500 0    60   ~ 0
12\n
Text Notes 4750 2850 0    60   ~ 0
11\n\n
Text GLabel 6050 2400 3    60   Input ~ 0
OSC-VOL-POT
Text Notes 2500 700  0    60   ~ 0
1: VOLTAGE CONTROLLED OSCILLATOR\n
Wire Wire Line
	1000 1700 1250 1700
Wire Wire Line
	1200 2550 1350 2550
Wire Wire Line
	1550 2500 1950 2500
Wire Wire Line
	1950 1900 1950 1800
Wire Wire Line
	1950 1500 1950 1400
Wire Wire Line
	1950 2200 1950 2300
Wire Wire Line
	1350 1300 1350 1100
Wire Wire Line
	1350 1100 1950 1100
Wire Wire Line
	1950 2900 1950 2800
Wire Wire Line
	1350 2550 1350 2500
Wire Wire Line
	1250 2000 1450 2000
Wire Wire Line
	1450 1700 1450 2100
Connection ~ 1450 2000
Wire Wire Line
	2100 2650 2200 2650
Wire Wire Line
	2100 1650 2200 1650
Wire Wire Line
	2500 2650 2650 2650
Wire Wire Line
	2650 2650 2650 1650
Wire Wire Line
	2500 1650 2750 1650
Connection ~ 2650 1650
Wire Wire Line
	2750 1450 2650 1450
Wire Wire Line
	2650 1450 2650 1050
Wire Wire Line
	2650 1050 2900 1050
Wire Wire Line
	3350 1550 3550 1550
Wire Wire Line
	3450 1550 3450 1050
Wire Wire Line
	3450 1050 3200 1050
Wire Wire Line
	3550 1450 3550 1650
Wire Wire Line
	3550 1450 3600 1450
Connection ~ 3450 1550
Wire Wire Line
	3550 1650 3600 1650
Connection ~ 3550 1550
Wire Wire Line
	3900 1450 4000 1450
Wire Wire Line
	3900 1650 4000 1650
Wire Wire Line
	3950 1450 3950 1050
Wire Wire Line
	3950 1050 4200 1050
Connection ~ 3950 1450
Wire Wire Line
	4500 1050 4750 1050
Wire Wire Line
	4750 1050 4750 1550
Wire Wire Line
	4600 1550 5950 1550
Wire Wire Line
	3250 2900 3250 2750
Wire Wire Line
	3250 2350 3250 2100
Wire Wire Line
	3250 2100 3950 2100
Wire Wire Line
	3950 2100 3950 1650
Connection ~ 3950 1650
Wire Wire Line
	3550 2550 3700 2550
Wire Wire Line
	4000 2550 4250 2550
Wire Wire Line
	4150 2100 4150 2750
Connection ~ 4150 2550
Wire Wire Line
	4150 3050 4150 3200
Wire Wire Line
	4150 3500 4150 3600
Wire Wire Line
	4150 2100 4350 2100
Wire Wire Line
	4650 2100 4850 2100
Wire Wire Line
	4850 2000 4850 2450
Wire Wire Line
	4850 1550 4850 1700
Connection ~ 4750 1550
Connection ~ 4850 2100
Wire Wire Line
	4850 2650 4950 2650
Wire Wire Line
	5250 2650 5350 2650
Wire Wire Line
	5850 2250 5850 3100
Wire Wire Line
	5850 3100 4150 3100
Connection ~ 4150 3100
Wire Wire Line
	5950 1550 5950 1850
Connection ~ 4850 1550
Wire Wire Line
	6050 2400 6050 2250
$EndSCHEMATC