wp20/3_LFO/3_LFO.sch

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:3_LFO-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
Wire Wire Line
	6050 2150 6250 2150
Wire Wire Line
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Wire Wire Line
	6050 2950 6250 2950
Wire Wire Line
	5650 3050 5600 3050
Connection ~ 4900 2450
Connection ~ 6150 1950
Wire Wire Line
	4900 1950 6150 1950
Wire Wire Line
	4900 1950 4900 3050
Connection ~ 5650 2600
Connection ~ 6150 2350
Wire Wire Line
	6150 2350 6050 2350
Connection ~ 6150 2700
Wire Wire Line
	6150 2700 6050 2700
Wire Wire Line
	6150 3150 6050 3150
Wire Wire Line
	6150 1650 6150 3150
Connection ~ 5400 2450
Connection ~ 5650 2450
Wire Wire Line
	5200 2450 5650 2450
Wire Wire Line
	5650 2250 5650 3050
Connection ~ 4350 1650
Wire Wire Line
	5900 1650 6150 1650
Connection ~ 3400 2650
Wire Wire Line
	4350 2650 4350 2350
Wire Wire Line
	4350 1650 4350 2050
Wire Wire Line
	2100 2650 4350 2650
Wire Wire Line
	2100 2300 2100 2650
Connection ~ 2100 1750
Connection ~ 3400 2250
Wire Wire Line
	3250 2250 3250 2500
Wire Wire Line
	3400 2250 3250 2250
Wire Wire Line
	3400 2200 3400 2350
Connection ~ 3400 1750
Wire Wire Line
	2100 1550 2100 2000
Connection ~ 4700 1650
Wire Wire Line
	4700 1550 4700 1750
Wire Wire Line
	4600 1650 4700 1650
Wire Wire Line
	3300 1650 3400 1650
Connection ~ 3400 1650
Wire Wire Line
	3400 1550 3400 1900
Text Notes 4350 4950 0    60   ~ 0
3: LOW FREQUENCY OSCILLATOR\n
$Comp
L R R19
U 1 1 5B292F87
P 2100 2150
F 0 "R19" H 2250 2200 50  0000 C CNN
F 1 "10K" H 2250 2100 50  0000 C CNN
F 2 "" V 2030 2150 50  0000 C CNN
F 3 "" H 2100 2150 50  0000 C CNN
	1    2100 2150
	1    0    0    -1  
$EndComp
$Comp
L 4001 IC4B
U 4 1 5B282BB2
P 4000 1650
F 0 "IC4B" H 4000 1700 50  0000 C CNN
F 1 "CD4001" H 4000 1600 50  0000 C CNN
F 2 "" H 4000 1650 60  0001 C CNN
F 3 "" H 4000 1650 60  0001 C CNN
	4    4000 1650
	1    0    0    -1  
$EndComp
$Comp
L 4001 IC4A
U 3 1 5B282AC1
P 2700 1650
F 0 "IC4A" H 2700 1700 50  0000 C CNN
F 1 "CD4001" H 2700 1600 50  0000 C CNN
F 2 "" H 2700 1650 60  0001 C CNN
F 3 "" H 2700 1650 60  0001 C CNN
	3    2700 1650
	1    0    0    -1  
$EndComp
$Comp
L 4001 IC4C
U 2 1 5B282A16
P 5300 1650
F 0 "IC4C" H 5300 1700 50  0000 C CNN
F 1 "CD4001" H 5300 1600 50  0000 C CNN
F 2 "" H 5300 1650 60  0001 C CNN
F 3 "" H 5300 1650 60  0001 C CNN
	2    5300 1650
	1    0    0    -1  
$EndComp
$Comp
L POT R44
U 1 1 5B28746C
P 3400 2500
F 0 "R44" H 3250 2450 50  0000 C CNN
F 1 "250K" H 3250 2550 50  0000 C CNN
F 2 "" H 3400 2500 50  0000 C CNN
F 3 "" H 3400 2500 50  0000 C CNN
	1    3400 2500
	-1   0    0    1   
$EndComp
$Comp
L R R20
U 1 1 5B28730B
P 3400 2050
F 0 "R20" H 3550 2100 50  0000 C CNN
F 1 "330" H 3550 2000 50  0000 C CNN
F 2 "" V 3330 2050 50  0000 C CNN
F 3 "" H 3400 2050 50  0000 C CNN
	1    3400 2050
	1    0    0    -1  
$EndComp
$Comp
L CP1 C8
U 1 1 5B28721C
P 4350 2200
F 0 "C8" H 4375 2300 50  0000 L CNN
F 1 "1µ" H 4375 2100 50  0000 L CNN
F 2 "" H 4350 2200 50  0000 C CNN
F 3 "" H 4350 2200 50  0000 C CNN
	1    4350 2200
	1    0    0    -1  
$EndComp
$Comp
L D D3
U 1 1 5B2868A8
P 5050 3050
F 0 "D3" H 5050 3150 50  0000 C CNN
F 1 "1N914" H 5050 2950 50  0000 C CNN
F 2 "" H 5050 3050 50  0000 C CNN
F 3 "" H 5050 3050 50  0000 C CNN
	1    5050 3050
	1    0    0    -1  
$EndComp
$Comp
L R R21
U 1 1 5B2863A4
P 5050 2450
F 0 "R21" V 5130 2450 50  0000 C CNN
F 1 "4.7K" V 5050 2450 50  0000 C CNN
F 2 "" V 4980 2450 50  0000 C CNN
F 3 "" H 5050 2450 50  0000 C CNN
	1    5050 2450
	0    1    1    0   
$EndComp
$Comp
L Earth #PWR?
U 1 1 5B2857C6
P 5400 2750
F 0 "#PWR?" H 5400 2500 50  0001 C CNN
F 1 "Earth" H 5400 2600 50  0001 C CNN
F 2 "" H 5400 2750 50  0000 C CNN
F 3 "" H 5400 2750 50  0000 C CNN
	1    5400 2750
	1    0    0    -1  
$EndComp
$Comp
L CP1 C9
U 1 1 5B2856B2
P 5400 2600
F 0 "C9" H 5425 2700 50  0000 L CNN
F 1 "10µ" H 5425 2500 50  0000 L CNN
F 2 "" H 5400 2600 50  0000 C CNN
F 3 "" H 5400 2600 50  0000 C CNN
	1    5400 2600
	1    0    0    -1  
$EndComp
$Comp
L SW_SPST S9
U 1 1 5B285356
P 5400 3050
F 0 "S9" H 5400 3175 50  0000 C CNN
F 1 "SPST" H 5400 3250 50  0000 C CNN
F 2 "" H 5400 3050 50  0000 C CNN
F 3 "" H 5400 3050 50  0000 C CNN
	1    5400 3050
	-1   0    0    1   
$EndComp
$Comp
L SW_SPDT S12
U 1 1 5B284CC7
P 5850 2250
F 0 "S12" H 5900 2250 50  0000 C CNN
F 1 "SPDT" H 5750 2350 50  0000 C CNN
F 2 "" H 5850 2250 50  0000 C CNN
F 3 "" H 5850 2250 50  0000 C CNN
	1    5850 2250
	1    0    0    -1  
$EndComp
$Comp
L SW_SPDT S11
U 1 1 5B284C3D
P 5850 2600
F 0 "S11" H 5900 2600 50  0000 C CNN
F 1 "SPDT" H 5750 2700 50  0000 C CNN
F 2 "" H 5850 2600 50  0000 C CNN
F 3 "" H 5850 2600 50  0000 C CNN
	1    5850 2600
	1    0    0    -1  
$EndComp
$Comp
L SW_SPDT S10
U 1 1 5B284B92
P 5850 3050
F 0 "S10" H 5900 3050 50  0000 C CNN
F 1 "SPDT" H 5750 3150 50  0000 C CNN
F 2 "" H 5850 3050 50  0000 C CNN
F 3 "" H 5850 3050 50  0000 C CNN
	1    5850 3050
	1    0    0    -1  
$EndComp
Text GLabel 6250 2500 2    60   Input ~ 0
VCO?
Text GLabel 6250 2150 2    60   Input ~ 0
VCF?
Text GLabel 6250 2950 2    60   Input ~ 0
LFO-OUT
$EndSCHEMATC