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 User 8858 6299
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 2200 2100
F 0 "S14" V 2100 1900 50  0000 C CNN
F 1 "SPDT" V 2200 1900 50  0000 C CNN
F 2 "" H 2200 2100 50  0000 C CNN
F 3 "" H 2200 2100 50  0000 C CNN
	1    2200 2100
	0    1    1    0   
$EndComp
$Comp
L SW_SPDT S14?
U 1 1 5B27F96F
P 2300 2900
F 0 "S14?" V 2200 3100 50  0000 C CNN
F 1 "SPDT" V 2300 3100 50  0000 C CNN
F 2 "" H 2300 2900 50  0000 C CNN
F 3 "" H 2300 2900 50  0000 C CNN
	1    2300 2900
	0    1    1    0   
$EndComp
Text GLabel 2100 2600 0    60   Input ~ 0
LFO-OUT
$Comp
L R R43
U 1 1 5B27FD78
P 2800 1850
F 0 "R43" H 2950 1800 50  0000 C CNN
F 1 "4.7K" H 2950 1900 50  0000 C CNN
F 2 "" V 2730 1850 50  0000 C CNN
F 3 "" H 2800 1850 50  0000 C CNN
	1    2800 1850
	-1   0    0    1   
$EndComp
$Comp
L R R41
U 1 1 5B27FE15
P 2800 2650
F 0 "R41" H 2950 2600 50  0000 C CNN
F 1 "30K" H 2950 2700 50  0000 C CNN
F 2 "" V 2730 2650 50  0000 C CNN
F 3 "" H 2800 2650 50  0000 C CNN
	1    2800 2650
	-1   0    0    1   
$EndComp
$Comp
L R R17
U 1 1 5B27FEDB
P 3200 2250
F 0 "R17" V 3280 2250 50  0000 C CNN
F 1 "100K" V 3200 2250 50  0000 C CNN
F 2 "" V 3130 2250 50  0000 C CNN
F 3 "" H 3200 2250 50  0000 C CNN
	1    3200 2250
	0    1    1    0   
$EndComp
$Comp
L POT R42
U 1 1 5B280443
P 2800 2250
F 0 "R42" H 2650 2300 50  0000 C CNN
F 1 "250K" H 2650 2200 50  0000 C CNN
F 2 "" H 2800 2250 50  0000 C CNN
F 3 "" H 2800 2250 50  0000 C CNN
	1    2800 2250
	1    0    0    -1  
$EndComp
$Comp
L Earth #PWR?
U 1 1 5B280A5F
P 2800 2900
F 0 "#PWR?" H 2800 2650 50  0001 C CNN
F 1 "Earth" H 2800 2750 50  0001 C CNN
F 2 "" H 2800 2900 50  0000 C CNN
F 3 "" H 2800 2900 50  0000 C CNN
	1    2800 2900
	1    0    0    -1  
$EndComp
$Comp
L POT R40
U 1 1 5B280ADF
P 2800 3250
F 0 "R40" H 2650 3300 50  0000 C CNN
F 1 "250K" H 2650 3200 50  0000 C CNN
F 2 "" H 2800 3250 50  0000 C CNN
F 3 "" H 2800 3250 50  0000 C CNN
	1    2800 3250
	1    0    0    -1  
$EndComp
$Comp
L Earth #PWR?
U 1 1 5B280B23
P 2800 3500
F 0 "#PWR?" H 2800 3250 50  0001 C CNN
F 1 "Earth" H 2800 3350 50  0001 C CNN
F 2 "" H 2800 3500 50  0000 C CNN
F 3 "" H 2800 3500 50  0000 C CNN
	1    2800 3500
	1    0    0    -1  
$EndComp
$Comp
L R R18
U 1 1 5B280B5A
P 3200 3250
F 0 "R18" V 3300 3250 50  0000 C CNN
F 1 "100K" V 3200 3250 50  0000 C CNN
F 2 "" V 3130 3250 50  0000 C CNN
F 3 "" H 3200 3250 50  0000 C CNN
	1    3200 3250
	0    1    1    0   
$EndComp
$Comp
L LM2902N IC3
U 2 1 5B280DD1
P 5150 2150
F 0 "IC3" H 5150 2350 50  0000 L CNN
F 1 "LM3900" H 5150 1950 50  0000 L CNN
F 2 "" H 5100 2250 50  0000 C CNN
F 3 "" H 5200 2350 50  0000 C CNN
	2    5150 2150
	1    0    0    1   
$EndComp
$Comp
L LM2902N IC3
U 3 1 5B280E2A
P 5400 3150
F 0 "IC3" H 5400 3350 50  0000 L CNN
F 1 "LM3900" H 5400 2950 50  0000 L CNN
F 2 "" H 5350 3250 50  0000 C CNN
F 3 "" H 5450 3350 50  0000 C CNN
	3    5400 3150
	-1   0    0    1   
$EndComp
$Comp
L LM2902N IC3
U 1 1 5B280D59
P 3900 2150
F 0 "IC3" H 3900 2350 50  0000 L CNN
F 1 "LM3900" H 3900 1950 50  0000 L CNN
F 2 "" H 3850 2250 50  0000 C CNN
F 3 "" H 3950 2350 50  0000 C CNN
	1    3900 2150
	1    0    0    1   
$EndComp
$Comp
L R R11
U 1 1 5B28127A
P 4600 2050
F 0 "R11" V 4680 2050 50  0000 C CNN
F 1 "100K" V 4600 2050 50  0000 C CNN
F 2 "" V 4530 2050 50  0000 C CNN
F 3 "" H 4600 2050 50  0000 C CNN
	1    4600 2050
	0    1    1    0   
$EndComp
$Comp
L R R15
U 1 1 5B281329
P 4600 2250
F 0 "R15" V 4680 2250 50  0000 C CNN
F 1 "47K" V 4600 2250 50  0000 C CNN
F 2 "" V 4530 2250 50  0000 C CNN
F 3 "" H 4600 2250 50  0000 C CNN
	1    4600 2250
	0    1    1    0   
$EndComp
$Comp
L R R16
U 1 1 5B28138D
P 3900 1650
F 0 "R16" V 3980 1650 50  0000 C CNN
F 1 "100K" V 3900 1650 50  0000 C CNN
F 2 "" V 3830 1650 50  0000 C CNN
F 3 "" H 3900 1650 50  0000 C CNN
	1    3900 1650
	0    1    1    0   
$EndComp
$Comp
L CP1 C6
U 1 1 5B281416
P 5200 1650
F 0 "C6" V 5300 1750 50  0000 L CNN
F 1 ".01µ" V 5300 1400 50  0000 L CNN
F 2 "" H 5200 1650 50  0000 C CNN
F 3 "" H 5200 1650 50  0000 C CNN
	1    5200 1650
	0    -1   -1   0   
$EndComp
$Comp
L R R14
U 1 1 5B281494
P 5700 2450
F 0 "R14" H 5850 2500 50  0000 C CNN
F 1 "10K" H 5850 2400 50  0000 C CNN
F 2 "" V 5630 2450 50  0000 C CNN
F 3 "" H 5700 2450 50  0000 C CNN
	1    5700 2450
	1    0    0    -1  
$EndComp
$Comp
L R R13
U 1 1 5B281501
P 5350 2700
F 0 "R13" V 5430 2700 50  0000 C CNN
F 1 "100K" V 5350 2700 50  0000 C CNN
F 2 "" V 5280 2700 50  0000 C CNN
F 3 "" H 5350 2700 50  0000 C CNN
	1    5350 2700
	0    1    1    0   
$EndComp
$Comp
L R R12
U 1 1 5B281595
P 5950 3250
F 0 "R12" V 6030 3250 50  0000 C CNN
F 1 "20K" V 5950 3250 50  0000 C CNN
F 2 "" V 5880 3250 50  0000 C CNN
F 3 "" H 5950 3250 50  0000 C CNN
	1    5950 3250
	0    1    1    0   
$EndComp
$Comp
L R R8
U 1 1 5B281642
P 5000 3500
F 0 "R8" H 5150 3550 50  0000 C CNN
F 1 "100K" H 5150 3450 50  0000 C CNN
F 2 "" V 4930 3500 50  0000 C CNN
F 3 "" H 5000 3500 50  0000 C CNN
	1    5000 3500
	1    0    0    -1  
$EndComp
$Comp
L R R9
U 1 1 5B281729
P 5000 3950
F 0 "R9" H 5150 4000 50  0000 C CNN
F 1 "10K" H 5150 3900 50  0000 C CNN
F 2 "" V 4930 3950 50  0000 C CNN
F 3 "" H 5000 3950 50  0000 C CNN
	1    5000 3950
	1    0    0    -1  
$EndComp
$Comp
L R R10
U 1 1 5B2817A8
P 4700 3150
F 0 "R10" V 4780 3150 50  0000 C CNN
F 1 "10K" V 4700 3150 50  0000 C CNN
F 2 "" V 4630 3150 50  0000 C CNN
F 3 "" H 4700 3150 50  0000 C CNN
	1    4700 3150
	0    1    1    0   
$EndComp
$Comp
L BC550 Q4
U 1 1 5B281940
P 4200 3150
F 0 "Q4" H 4400 3225 50  0000 L CNN
F 1 "2N3904" H 4400 3150 50  0000 L CNN
F 2 "" H 4400 3075 50  0000 L CIN
F 3 "" H 4200 3150 50  0000 L CNN
	1    4200 3150
	-1   0    0    -1  
$EndComp
$Comp
L SW_SPDT S15
U 1 1 5B281DAB
P 6800 2650
F 0 "S15" V 6700 2350 50  0000 C CNN
F 1 "SPDT" V 6800 2350 50  0000 C CNN
F 2 "" H 6800 2650 50  0000 C CNN
F 3 "" H 6800 2650 50  0000 C CNN
	1    6800 2650
	0    1    1    0   
$EndComp
$Comp
L +9V #PWR?
U 1 1 5B2843FB
P 1850 2300
F 0 "#PWR?" H 1850 2150 50  0001 C CNN
F 1 "+9V" V 1750 2350 50  0000 C CNN
F 2 "" H 1850 2300 50  0000 C CNN
F 3 "" H 1850 2300 50  0000 C CNN
	1    1850 2300
	0    -1   -1   0   
$EndComp
$Comp
L +9V #PWR?
U 1 1 5B2849CF
P 6200 3250
F 0 "#PWR?" H 6200 3100 50  0001 C CNN
F 1 "+9V" V 6200 3450 50  0000 C CNN
F 2 "" H 6200 3250 50  0000 C CNN
F 3 "" H 6200 3250 50  0000 C CNN
	1    6200 3250
	0    1    1    0   
$EndComp
$Comp
L Earth #PWR?
U 1 1 5B284A28
P 4100 3500
F 0 "#PWR?" H 4100 3250 50  0001 C CNN
F 1 "Earth" H 4100 3350 50  0001 C CNN
F 2 "" H 4100 3500 50  0000 C CNN
F 3 "" H 4100 3500 50  0000 C CNN
	1    4100 3500
	1    0    0    -1  
$EndComp
$Comp
L Earth #PWR?
U 1 1 5B284A98
P 5000 4200
F 0 "#PWR?" H 5000 3950 50  0001 C CNN
F 1 "Earth" H 5000 4050 50  0001 C CNN
F 2 "" H 5000 4200 50  0000 C CNN
F 3 "" H 5000 4200 50  0000 C CNN
	1    5000 4200
	1    0    0    -1  
$EndComp
Text GLabel 2050 3150 0    60   Input ~ 0
EG-OUT
Text Notes 3600 2350 0    60   ~ 0
1\n
Text Notes 3600 2000 0    60   ~ 0
6
Text Notes 4150 2250 0    60   ~ 0
5\n
Text Notes 4850 2350 0    60   ~ 0
13\n
Text Notes 4850 2000 0    60   ~ 0
8\n
Text Notes 5350 2250 0    60   ~ 0
9\n
Text Notes 5100 3250 0    60   ~ 0
10\n
Text Notes 5700 3100 0    60   ~ 0
12\n
Text Notes 5600 3450 0    60   ~ 0
11\n\n
Text GLabel 7100 3100 2    60   Input ~ 0
OSC-VOL-POT
Text Notes 4350 4950 0    60   ~ 0
1: VOLTAGE CONTROLLED OSCILLATOR\n
Wire Wire Line
	1850 2300 2100 2300
Wire Wire Line
	2050 3150 2200 3150
Wire Wire Line
	2400 3100 2800 3100
Wire Wire Line
	2800 2500 2800 2400
Wire Wire Line
	2800 2100 2800 2000
Wire Wire Line
	2800 2800 2800 2900
Wire Wire Line
	2200 1900 2200 1700
Wire Wire Line
	2200 1700 2800 1700
Wire Wire Line
	2800 3500 2800 3400
Wire Wire Line
	2200 3150 2200 3100
Wire Wire Line
	2100 2600 2300 2600
Wire Wire Line
	2300 2300 2300 2700
Connection ~ 2300 2600
Wire Wire Line
	2950 3250 3050 3250
Wire Wire Line
	2950 2250 3050 2250
Wire Wire Line
	3350 3250 3500 3250
Wire Wire Line
	3500 3250 3500 2250
Wire Wire Line
	3350 2250 3600 2250
Connection ~ 3500 2250
Wire Wire Line
	3600 2050 3500 2050
Wire Wire Line
	3500 2050 3500 1650
Wire Wire Line
	3500 1650 3750 1650
Wire Wire Line
	4200 2150 4400 2150
Wire Wire Line
	4300 2150 4300 1650
Wire Wire Line
	4300 1650 4050 1650
Wire Wire Line
	4400 2050 4400 2250
Wire Wire Line
	4400 2050 4450 2050
Connection ~ 4300 2150
Wire Wire Line
	4400 2250 4450 2250
Connection ~ 4400 2150
Wire Wire Line
	4750 2050 4850 2050
Wire Wire Line
	4750 2250 4850 2250
Wire Wire Line
	4800 2050 4800 1650
Wire Wire Line
	4800 1650 5050 1650
Connection ~ 4800 2050
Wire Wire Line
	5350 1650 5600 1650
Wire Wire Line
	5600 1650 5600 2150
Wire Wire Line
	5450 2150 6800 2150
Wire Wire Line
	4100 3500 4100 3350
Wire Wire Line
	4100 2950 4100 2700
Wire Wire Line
	4100 2700 4800 2700
Wire Wire Line
	4800 2700 4800 2250
Connection ~ 4800 2250
Wire Wire Line
	4400 3150 4550 3150
Wire Wire Line
	4850 3150 5100 3150
Wire Wire Line
	5000 2700 5000 3350
Connection ~ 5000 3150
Wire Wire Line
	5000 3650 5000 3800
Wire Wire Line
	5000 4100 5000 4200
Wire Wire Line
	5000 2700 5200 2700
Wire Wire Line
	5500 2700 5700 2700
Wire Wire Line
	5700 2600 5700 3050
Wire Wire Line
	5700 2150 5700 2300
Connection ~ 5600 2150
Connection ~ 5700 2700
Wire Wire Line
	5700 3250 5800 3250
Wire Wire Line
	6100 3250 6200 3250
Wire Wire Line
	6700 2850 6700 3700
Wire Wire Line
	6700 3700 5000 3700
Connection ~ 5000 3700
Wire Wire Line
	6800 2150 6800 2450
Connection ~ 5700 2150
Wire Wire Line
	6900 2850 6900 3100
Wire Wire Line
	6900 3100 7100 3100
$EndSCHEMATC