EESchema Schematic File Version 2  date So 13 Jul 2014 17:36:46 CEST
LIBS:power
LIBS:device
LIBS:transistors
LIBS:conn
LIBS:linear
LIBS:regul
LIBS:74xx
LIBS:cmos4000
LIBS:adc-dac
LIBS:memory
LIBS:xilinx
LIBS:special
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:special_parts
LIBS:theremin-cache
EELAYER 25  0
EELAYER END
$Descr A4 11700 8267
encoding utf-8
Sheet 1 1
Title "Theremin"
Date "13 jul 2014"
Rev ""
Comp "krautspace"
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
Wire Wire Line
	8150 3950 7900 3950
Wire Wire Line
	1950 4600 2050 4600
Wire Wire Line
	9800 2200 9800 2100
Wire Wire Line
	9800 2100 9700 2100
Wire Wire Line
	9250 2100 9250 2150
Wire Wire Line
	9250 3150 9250 3100
Connection ~ 8900 3000
Wire Wire Line
	8900 2950 8900 3300
Wire Wire Line
	8900 3300 8700 3300
Wire Wire Line
	8700 3300 8700 3250
Wire Wire Line
	8900 2550 8800 2550
Wire Wire Line
	8800 2550 8800 2500
Wire Wire Line
	8600 2500 8600 2550
Wire Wire Line
	8150 2000 8200 2000
Wire Wire Line
	7600 2000 7600 1300
Wire Wire Line
	7600 1300 6350 1300
Connection ~ 6350 1750
Wire Wire Line
	6350 1750 6350 1700
Connection ~ 7400 2550
Wire Wire Line
	7400 2550 7000 2550
Wire Wire Line
	7000 2550 7000 2300
Connection ~ 7000 1750
Wire Wire Line
	7000 1900 7000 1750
Wire Wire Line
	7400 2600 7400 2500
Wire Wire Line
	5750 2450 5750 2300
Connection ~ 5750 1750
Wire Wire Line
	5750 1900 5750 1750
Connection ~ 4400 1100
Wire Wire Line
	5100 1600 5100 1850
Wire Wire Line
	5000 1750 5200 1750
Connection ~ 8500 4350
Wire Wire Line
	8500 4500 8500 4350
Wire Wire Line
	8750 4300 8750 4350
Wire Wire Line
	8750 4350 8250 4350
Wire Wire Line
	8250 4350 8250 4250
Connection ~ 8250 3600
Wire Wire Line
	8250 3650 8250 3600
Connection ~ 6500 3850
Wire Wire Line
	7900 4350 7900 4650
Wire Wire Line
	7900 4650 6500 4650
Wire Wire Line
	6500 4650 6500 3400
Connection ~ 7100 3850
Wire Wire Line
	6500 3850 7100 3850
Wire Wire Line
	6500 3400 6300 3400
Connection ~ 7500 3600
Wire Wire Line
	7500 3050 7500 2950
Wire Wire Line
	7500 2950 7050 2950
Wire Wire Line
	7100 3900 7100 3800
Connection ~ 7100 2950
Wire Wire Line
	7100 3150 6850 3150
Wire Wire Line
	6000 3600 6000 3650
Wire Wire Line
	6100 2950 6000 2950
Connection ~ 5600 3650
Wire Wire Line
	5600 3750 5600 3650
Connection ~ 4600 4250
Wire Wire Line
	4600 4350 4600 4150
Connection ~ 5600 4250
Wire Wire Line
	5600 4150 5600 4250
Connection ~ 4600 3650
Wire Wire Line
	4700 3650 3400 3650
Connection ~ 4050 2400
Wire Wire Line
	4050 2400 4050 4750
Wire Wire Line
	4050 4750 3850 4750
Connection ~ 2900 3750
Wire Wire Line
	3850 3750 2450 3750
Wire Wire Line
	3200 5050 3200 5300
Wire Wire Line
	3200 5300 2050 5300
Wire Wire Line
	2050 5300 2050 4600
Connection ~ 2900 4550
Wire Wire Line
	2900 4550 3550 4550
Wire Wire Line
	2900 4600 2900 4500
Wire Wire Line
	2600 4300 2350 4300
Connection ~ 1850 4900
Wire Wire Line
	2450 4850 2450 4900
Wire Wire Line
	2450 4900 1000 4900
Connection ~ 1450 4300
Wire Wire Line
	1450 4400 1450 4300
Wire Wire Line
	1000 4900 1000 4800
Wire Wire Line
	1450 5000 1450 4800
Wire Wire Line
	1350 2050 1350 1950
Wire Wire Line
	4100 2400 3900 2400
Wire Wire Line
	3900 3050 3900 2950
Wire Wire Line
	4400 1600 4400 2200
Connection ~ 3900 2400
Wire Wire Line
	3750 2700 3750 2600
Wire Wire Line
	3750 2600 3700 2600
Wire Wire Line
	3400 2400 3400 1950
Wire Wire Line
	3600 2150 3300 2150
Connection ~ 3400 1100
Wire Wire Line
	2750 1000 2750 1100
Wire Wire Line
	2750 2700 2750 2800
Wire Wire Line
	1700 2350 1700 2550
Wire Wire Line
	2100 1750 2100 1850
Wire Wire Line
	1700 1750 1700 1950
Connection ~ 2100 1750
Wire Wire Line
	2100 2450 2100 2650
Connection ~ 2100 2550
Wire Wire Line
	2750 2200 2750 1600
Connection ~ 2750 1750
Wire Wire Line
	1700 2550 2100 2550
Wire Wire Line
	2750 1750 3100 1750
Wire Wire Line
	3400 1100 3400 1550
Connection ~ 3900 1100
Connection ~ 3400 2150
Wire Wire Line
	3900 1950 3900 1600
Wire Wire Line
	3900 2450 3900 2350
Wire Wire Line
	4400 2750 4400 2600
Wire Wire Line
	1500 1750 2350 1750
Connection ~ 1700 1750
Wire Wire Line
	3400 2900 3400 2800
Connection ~ 1450 4900
Wire Wire Line
	1000 4400 1000 4300
Wire Wire Line
	1000 4300 1950 4300
Connection ~ 1850 4300
Wire Wire Line
	2450 4350 2450 4250
Connection ~ 2450 4300
Wire Wire Line
	2450 3750 2450 3700
Wire Wire Line
	2900 3750 2900 4100
Wire Wire Line
	2900 5100 2900 5150
Wire Wire Line
	3200 4650 3200 4550
Connection ~ 3200 4550
Wire Wire Line
	3850 4350 3850 4250
Wire Wire Line
	4600 3650 4600 3750
Wire Wire Line
	5200 3650 5200 3750
Wire Wire Line
	4600 4250 6000 4250
Wire Wire Line
	5200 4150 5200 4250
Connection ~ 5200 4250
Wire Wire Line
	6000 3650 5100 3650
Connection ~ 5200 3650
Wire Wire Line
	6000 3150 6350 3150
Connection ~ 6000 3150
Wire Wire Line
	6600 2950 6650 2950
Wire Wire Line
	3400 3650 3400 3400
Wire Wire Line
	6000 2950 6000 3200
Wire Wire Line
	7100 4500 7100 4400
Wire Wire Line
	7100 3400 7100 2900
Connection ~ 7100 3150
Wire Wire Line
	7500 3550 7500 3650
Wire Wire Line
	7100 4400 7500 4400
Wire Wire Line
	7500 4400 7500 4150
Wire Wire Line
	7600 3600 7400 3600
Wire Wire Line
	8000 3600 8600 3600
Wire Wire Line
	8750 3900 8750 3800
Wire Wire Line
	4400 1750 4600 1750
Connection ~ 4400 1750
Connection ~ 5100 1750
Wire Wire Line
	5100 2450 5100 2350
Wire Wire Line
	5700 1750 5800 1750
Wire Wire Line
	6300 1750 6400 1750
Wire Wire Line
	6900 1750 7100 1750
Wire Wire Line
	7400 1100 7400 1550
Connection ~ 5100 1100
Wire Wire Line
	7400 1950 7400 2000
Connection ~ 7600 2000
Wire Wire Line
	7400 2000 7750 2000
Wire Wire Line
	8200 2200 8150 2200
Wire Wire Line
	8150 2200 8150 2250
Wire Wire Line
	7650 2350 7650 2250
Wire Wire Line
	7650 2250 7750 2250
Wire Wire Line
	2750 1100 8600 1100
Wire Wire Line
	8600 1100 8600 1700
Connection ~ 7400 1100
Wire Wire Line
	8900 3000 8850 3000
Wire Wire Line
	8700 2750 8700 2500
Wire Wire Line
	9250 2600 9250 2550
Wire Wire Line
	9300 2100 9200 2100
Connection ~ 9250 2100
Wire Wire Line
	9800 2400 9800 2700
Wire Wire Line
	2200 2150 2900 2150
$Comp
L 3_PIN_INDUCTOR L2
U 1 1 53BB0ECE
P 8250 3950
F 0 "L2" V 8200 3850 40  0000 C CNN
F 1 "56.3uH" V 8200 4100 40  0000 C CNN
	1    8250 3950
	1    0    0    -1  
$EndComp
$Comp
L 3_PIN_INDUCTOR L1
U 1 1 53BB0E9A
P 2100 2150
F 0 "L1" V 2050 2050 40  0000 C CNN
F 1 "31.6uH" V 2050 2300 40  0000 C CNN
	1    2100 2150
	-1   0    0    -1  
$EndComp
$Comp
L 3_PIN_INDUCTOR L4
U 1 1 53BB0E65
P 1850 4600
F 0 "L4" V 1800 4500 40  0000 C CNN
F 1 "5.3uH" V 1800 4750 40  0000 C CNN
	1    1850 4600
	-1   0    0    -1  
$EndComp
$Comp
L GND #PWR10
U 1 1 53BB0843
P 9800 2700
F 0 "#PWR10" H 9800 2700 30  0001 C CNN
F 1 "GND" H 9800 2630 30  0001 C CNN
	1    9800 2700
	1    0    0    -1  
$EndComp
$Comp
L SPEAKER SP1
U 1 1 53BB0830
P 10100 2300
F 0 "SP1" H 10150 2550 70  0000 C CNN
F 1 "SPEAKER" H 10300 1900 70  0000 C CNN
	1    10100 2300
	1    0    0    -1  
$EndComp
$Comp
L C C18
U 1 1 53BB07D4
P 9500 2100
F 0 "C18" H 9550 2200 50  0000 L CNN
F 1 "250uF" H 9550 2000 50  0000 L CNN
	1    9500 2100
	0    -1   -1   0   
$EndComp
$Comp
L GND #PWR15
U 1 1 53BB07CB
P 9250 3150
F 0 "#PWR15" H 9250 3150 30  0001 C CNN
F 1 "GND" H 9250 3080 30  0001 C CNN
	1    9250 3150
	1    0    0    -1  
$EndComp
$Comp
L R R21
U 1 1 53BB07C0
P 9250 2850
F 0 "R21" V 9330 2850 50  0000 C CNN
F 1 "3.3k" V 9250 2850 50  0000 C CNN
	1    9250 2850
	1    0    0    -1  
$EndComp
$Comp
L C C17
U 1 1 53BB07B8
P 9250 2350
F 0 "C17" H 9300 2450 50  0000 L CNN
F 1 "0.047uF" H 9300 2250 50  0000 L CNN
	1    9250 2350
	1    0    0    -1  
$EndComp
$Comp
L POT R19
U 1 1 53BB074E
P 8700 3000
F 0 "R19" H 8700 2900 50  0000 C CNN
F 1 "10k" H 8700 3000 50  0000 C CNN
	1    8700 3000
	0    1    1    0   
$EndComp
$Comp
L C C20
U 1 1 53BB0725
P 8900 2750
F 0 "C20" H 8950 2850 50  0000 L CNN
F 1 "10uF" H 8950 2650 50  0000 L CNN
	1    8900 2750
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR6
U 1 1 53BB06D4
P 8600 2550
F 0 "#PWR6" H 8600 2550 30  0001 C CNN
F 1 "GND" H 8600 2480 30  0001 C CNN
	1    8600 2550
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR3
U 1 1 53BB068A
P 7650 2350
F 0 "#PWR3" H 7650 2350 30  0001 C CNN
F 1 "GND" H 7650 2280 30  0001 C CNN
	1    7650 2350
	1    0    0    -1  
$EndComp
$Comp
L C C21
U 1 1 53BB0653
P 7950 2250
F 0 "C21" H 8000 2350 50  0000 L CNN
F 1 "0.1uF" H 8000 2150 50  0000 L CNN
	1    7950 2250
	0    -1   1    0   
$EndComp
$Comp
L C C19
U 1 1 53BB061A
P 7950 2000
F 0 "C19" H 8000 2100 50  0000 L CNN
F 1 "0.1uF" H 8000 1900 50  0000 L CNN
	1    7950 2000
	0    -1   -1   0   
$EndComp
$Comp
L C C15
U 1 1 53BB058A
P 6350 1500
F 0 "C15" H 6400 1600 50  0000 L CNN
F 1 "560pF" H 6400 1400 50  0000 L CNN
	1    6350 1500
	1    0    0    -1  
$EndComp
$Comp
L NPN Q8
U 1 1 53BB016C
P 7300 1750
F 0 "Q8" H 7300 1600 50  0000 R CNN
F 1 "PN5089" H 7300 1900 50  0000 R CNN
	1    7300 1750
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR7
U 1 1 53BB0162
P 7400 2600
F 0 "#PWR7" H 7400 2600 30  0001 C CNN
F 1 "GND" H 7400 2530 30  0001 C CNN
	1    7400 2600
	1    0    0    -1  
$EndComp
$Comp
L R R18
U 1 1 53BB00CF
P 7400 2250
F 0 "R18" V 7480 2250 50  0000 C CNN
F 1 "3.3k" V 7400 2250 50  0000 C CNN
	1    7400 2250
	1    0    0    -1  
$EndComp
$Comp
L C C16
U 1 1 53BB00BF
P 7000 2100
F 0 "C16" H 7050 2200 50  0000 L CNN
F 1 "33pF" H 7050 2000 50  0000 L CNN
	1    7000 2100
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR5
U 1 1 53BB0085
P 5750 2450
F 0 "#PWR5" H 5750 2450 30  0001 C CNN
F 1 "GND" H 5750 2380 30  0001 C CNN
	1    5750 2450
	1    0    0    -1  
$EndComp
$Comp
L C C14
U 1 1 53BB004B
P 5750 2100
F 0 "C14" H 5800 2200 50  0000 L CNN
F 1 "220pF" H 5800 2000 50  0000 L CNN
	1    5750 2100
	1    0    0    -1  
$EndComp
$Comp
L R R17
U 1 1 53BB003C
P 6650 1750
F 0 "R17" V 6730 1750 50  0000 C CNN
F 1 "49.9k" V 6650 1750 50  0000 C CNN
	1    6650 1750
	0    1    1    0   
$EndComp
$Comp
L R R16
U 1 1 53BB0038
P 6050 1750
F 0 "R16" V 6130 1750 50  0000 C CNN
F 1 "49.9k" V 6050 1750 50  0000 C CNN
	1    6050 1750
	0    1    1    0   
$EndComp
$Comp
L GND #PWR4
U 1 1 53BAFF63
P 5100 2450
F 0 "#PWR4" H 5100 2450 30  0001 C CNN
F 1 "GND" H 5100 2380 30  0001 C CNN
	1    5100 2450
	1    0    0    -1  
$EndComp
$Comp
L R R15
U 1 1 53BAFF38
P 5450 1750
F 0 "R15" V 5530 1750 50  0000 C CNN
F 1 "49.9k" V 5450 1750 50  0000 C CNN
	1    5450 1750
	0    1    1    0   
$EndComp
$Comp
L R R14
U 1 1 53BAFF27
P 5100 2100
F 0 "R14" V 5180 2100 50  0000 C CNN
F 1 "100k" V 5100 2100 50  0000 C CNN
	1    5100 2100
	1    0    0    -1  
$EndComp
$Comp
L R R13
U 1 1 53BAFF1C
P 5100 1350
F 0 "R13" V 5180 1350 50  0000 C CNN
F 1 "100k" V 5100 1350 50  0000 C CNN
	1    5100 1350
	1    0    0    -1  
$EndComp
$Comp
L C C13
U 1 1 53BAFEEE
P 4800 1750
F 0 "C13" H 4850 1850 50  0000 L CNN
F 1 "0.1uF" H 4850 1650 50  0000 L CNN
	1    4800 1750
	0    -1   -1   0   
$EndComp
Text Notes 1850 1350 0    60   ~ 0
VFO\n20MHz
Text Notes 1350 3950 0    60   ~ 0
BFO\n20MHz
Text Notes 9050 3950 0    60   ~ 0
15MHz
$Comp
L GND #PWR19
U 1 1 53BAFE7D
P 8500 4500
F 0 "#PWR19" H 8500 4500 30  0001 C CNN
F 1 "GND" H 8500 4430 30  0001 C CNN
	1    8500 4500
	1    0    0    -1  
$EndComp
$Comp
L CTRIM C5
U 1 1 53BAFE26
P 8750 4100
F 0 "C5" H 8850 4250 50  0000 C CNN
F 1 "2-10pF" H 8900 4000 50  0000 C CNN
	1    8750 4100
	1    0    0    -1  
$EndComp
$Comp
L C C7
U 1 1 53BAFD75
P 7900 4150
F 0 "C7" H 7950 4250 50  0000 L CNN
F 1 "0.01uF" H 7950 4050 50  0000 L CNN
	1    7900 4150
	1    0    0    -1  
$EndComp
$Comp
L BNC P2
U 1 1 53BAFD37
P 8750 3600
F 0 "P2" H 8760 3720 60  0000 C CNN
F 1 "VOLUME ANT" V 8860 3540 40  0000 C CNN
	1    8750 3600
	1    0    0    -1  
$EndComp
$Comp
L C C6
U 1 1 53BAFCFD
P 7800 3600
F 0 "C6" H 7850 3700 50  0000 L CNN
F 1 "4.7pF" H 7850 3500 50  0000 L CNN
	1    7800 3600
	0    -1   -1   0   
$EndComp
$Comp
L GND #PWR18
U 1 1 53BAFC97
P 7100 4500
F 0 "#PWR18" H 7100 4500 30  0001 C CNN
F 1 "GND" H 7100 4430 30  0001 C CNN
	1    7100 4500
	1    0    0    -1  
$EndComp
$Comp
L R R7
U 1 1 53BAFC5F
P 7100 4150
F 0 "R7" V 7180 4150 50  0000 C CNN
F 1 "100k" V 7100 4150 50  0000 C CNN
	1    7100 4150
	1    0    0    -1  
$EndComp
$Comp
L NPN Q4
U 1 1 53BAFBFE
P 7200 3600
F 0 "Q4" H 7200 3450 50  0000 R CNN
F 1 "2N2222" H 7650 3700 50  0000 R CNN
	1    7200 3600
	-1   0    0    -1  
$EndComp
$Comp
L R R6
U 1 1 53BAFBA4
P 7500 3900
F 0 "R6" V 7580 3900 50  0000 C CNN
F 1 "100k" V 7500 3900 50  0000 C CNN
	1    7500 3900
	1    0    0    -1  
$EndComp
$Comp
L R R5
U 1 1 53BAFB94
P 7500 3300
F 0 "R5" V 7580 3300 50  0000 C CNN
F 1 "100k" V 7500 3300 50  0000 C CNN
	1    7500 3300
	1    0    0    -1  
$EndComp
$Comp
L VCC #PWR13
U 1 1 53BAFB62
P 7100 2900
F 0 "#PWR13" H 7100 3000 30  0001 C CNN
F 1 "VCC" H 7100 3000 30  0000 C CNN
	1    7100 2900
	1    0    0    -1  
$EndComp
$Comp
L C C23
U 1 1 53BAFABB
P 6850 2950
F 0 "C23" H 6900 3050 50  0000 L CNN
F 1 "1nF" H 6900 2850 50  0000 L CNN
	1    6850 2950
	0    -1   -1   0   
$EndComp
$Comp
L R R20
U 1 1 53BAFA43
P 6350 2950
F 0 "R20" V 6430 2950 50  0000 C CNN
F 1 "330" V 6350 2950 50  0000 C CNN
	1    6350 2950
	0    1    1    0   
$EndComp
$Comp
L R R8
U 1 1 53BAFA2C
P 6600 3150
F 0 "R8" V 6680 3150 50  0000 C CNN
F 1 "1500" V 6600 3150 50  0000 C CNN
	1    6600 3150
	0    1    1    0   
$EndComp
$Comp
L PNP Q5
U 1 1 53BAFA03
P 6100 3400
F 0 "Q5" H 6100 3250 60  0000 R CNN
F 1 "PN3640" H 6100 3550 60  0000 R CNN
	1    6100 3400
	-1   0    0    1   
$EndComp
$Comp
L INDUCTOR L3
U 1 1 53BAF959
P 6000 3950
F 0 "L3" V 5950 3950 40  0000 C CNN
F 1 "4.7uH" V 6100 3950 40  0000 C CNN
	1    6000 3950
	1    0    0    -1  
$EndComp
$Comp
L CTRIM C22
U 1 1 53BAF94E
P 5600 3950
F 0 "C22" H 5700 4100 50  0000 C CNN
F 1 "2-10pF" H 5750 3850 50  0000 C CNN
	1    5600 3950
	1    0    0    -1  
$EndComp
$Comp
L C C8
U 1 1 53BAF915
P 5200 3950
F 0 "C8" H 5250 4050 50  0000 L CNN
F 1 "51uF" H 5250 3850 50  0000 L CNN
	1    5200 3950
	1    0    0    -1  
$EndComp
$Comp
L DIODESCH D1
U 1 1 53BAF8EF
P 4900 3650
F 0 "D1" H 4900 3750 40  0000 C CNN
F 1 "BAT54" H 4900 3550 40  0000 C CNN
	1    4900 3650
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR17
U 1 1 53BAF893
P 4600 4350
F 0 "#PWR17" H 4600 4350 30  0001 C CNN
F 1 "GND" H 4600 4280 30  0001 C CNN
	1    4600 4350
	1    0    0    -1  
$EndComp
$Comp
L C C4
U 1 1 53BAF88E
P 4600 3950
F 0 "C4" H 4650 4050 50  0000 L CNN
F 1 "0.01uF" H 4650 3850 50  0000 L CNN
	1    4600 3950
	1    0    0    -1  
$EndComp
$Comp
L PNP Q7
U 1 1 53BAF764
P 3750 4550
F 0 "Q7" H 3750 4400 60  0000 R CNN
F 1 "PN3640" H 3750 4700 60  0000 R CNN
	1    3750 4550
	1    0    0    1   
$EndComp
$Comp
L R R12
U 1 1 53BAF733
P 3850 4000
F 0 "R12" V 3930 4000 50  0000 C CNN
F 1 "1.5k" V 3850 4000 50  0000 C CNN
	1    3850 4000
	1    0    0    -1  
$EndComp
$Comp
L C C11
U 1 1 53BAF6E6
P 3200 4850
F 0 "C11" H 3250 4950 50  0000 L CNN
F 1 "0.01uF" H 3250 4750 50  0000 L CNN
	1    3200 4850
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR21
U 1 1 53BAF68B
P 2900 5150
F 0 "#PWR21" H 2900 5150 30  0001 C CNN
F 1 "GND" H 2900 5080 30  0001 C CNN
	1    2900 5150
	1    0    0    -1  
$EndComp
$Comp
L R R9
U 1 1 53BAF66F
P 2900 4850
F 0 "R9" V 2980 4850 50  0000 C CNN
F 1 "3.3k" V 2900 4850 50  0000 C CNN
	1    2900 4850
	1    0    0    -1  
$EndComp
$Comp
L NPN Q6
U 1 1 53BAF649
P 2800 4300
F 0 "Q6" H 2800 4150 50  0000 R CNN
F 1 "2N2222" H 2800 4450 50  0000 R CNN
	1    2800 4300
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR20
U 1 1 53BAF5C5
P 1450 5000
F 0 "#PWR20" H 1450 5000 30  0001 C CNN
F 1 "GND" H 1450 4930 30  0001 C CNN
	1    1450 5000
	1    0    0    -1  
$EndComp
$Comp
L R R10
U 1 1 53BAF55C
P 2450 4000
F 0 "R10" V 2530 4000 50  0000 C CNN
F 1 "100k" V 2450 4000 50  0000 C CNN
	1    2450 4000
	1    0    0    -1  
$EndComp
$Comp
L R R11
U 1 1 53BAF53C
P 2450 4600
F 0 "R11" V 2530 4600 50  0000 C CNN
F 1 "100k" V 2450 4600 50  0000 C CNN
	1    2450 4600
	1    0    0    -1  
$EndComp
$Comp
L C C10
U 1 1 53BAF525
P 2150 4300
F 0 "C10" H 2200 4400 50  0000 L CNN
F 1 "4.7pF" H 2200 4200 50  0000 L CNN
	1    2150 4300
	0    -1   -1   0   
$EndComp
$Comp
L C C12
U 1 1 53BAF456
P 1450 4600
F 0 "C12" H 1500 4700 50  0000 L CNN
F 1 "10pF" H 1500 4500 50  0000 L CNN
	1    1450 4600
	1    0    0    -1  
$EndComp
$Comp
L CTRIM C9
U 1 1 53BAF442
P 1000 4600
F 0 "C9" H 1100 4750 50  0000 C CNN
F 1 "2-10pF" H 1150 4500 50  0000 C CNN
	1    1000 4600
	1    0    0    -1  
$EndComp
$Comp
L VCC #PWR16
U 1 1 53BAF419
P 2450 3700
F 0 "#PWR16" H 2450 3800 30  0001 C CNN
F 1 "VCC" H 2450 3800 30  0000 C CNN
	1    2450 3700
	1    0    0    -1  
$EndComp
$Comp
L R R4
U 1 1 53BAF3B9
P 3400 3150
F 0 "R4" V 3480 3150 50  0000 C CNN
F 1 "3.3k" V 3400 3150 50  0000 C CNN
	1    3400 3150
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR2
U 1 1 53BAF2E7
P 1350 2050
F 0 "#PWR2" H 1350 2050 30  0001 C CNN
F 1 "GND" H 1350 1980 30  0001 C CNN
	1    1350 2050
	1    0    0    -1  
$EndComp
$Comp
L BNC P1
U 1 1 53BAF29E
P 1350 1750
F 0 "P1" H 1360 1870 60  0000 C CNN
F 1 "PITCH ANT" V 1460 1690 40  0000 C CNN
	1    1350 1750
	-1   0    0    -1  
$EndComp
$Comp
L GND #PWR14
U 1 1 53BAF13E
P 3900 3050
F 0 "#PWR14" H 3900 3050 30  0001 C CNN
F 1 "GND" H 3900 2980 30  0001 C CNN
	1    3900 3050
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR11
U 1 1 53BAF125
P 4400 2750
F 0 "#PWR11" H 4400 2750 30  0001 C CNN
F 1 "GND" H 4400 2680 30  0001 C CNN
	1    4400 2750
	1    0    0    -1  
$EndComp
$Comp
L NPN Q9
U 1 1 53BAF0E9
P 4300 2400
F 0 "Q9" H 4300 2250 50  0000 R CNN
F 1 "2N2222" H 4300 2550 50  0000 R CNN
	1    4300 2400
	1    0    0    -1  
$EndComp
$Comp
L R R24
U 1 1 53BAF091
P 3900 2700
F 0 "R24" V 4000 2700 50  0000 C CNN
F 1 "470" V 3900 2700 50  0000 C CNN
	1    3900 2700
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR9
U 1 1 53BAF00C
P 3750 2700
F 0 "#PWR9" H 3750 2700 30  0001 C CNN
F 1 "GND" H 3750 2630 30  0001 C CNN
	1    3750 2700
	1    0    0    -1  
$EndComp
$Comp
L NPN Q2
U 1 1 53BAEFE7
P 3500 2600
F 0 "Q2" H 3500 2450 50  0000 R CNN
F 1 "2N2222" H 3500 2750 50  0000 R CNN
	1    3500 2600
	-1   0    0    -1  
$EndComp
$Comp
L PNP Q3
U 1 1 53BAEDB5
P 3800 2150
F 0 "Q3" H 3800 2000 60  0000 R CNN
F 1 "PN3640" H 3800 2300 60  0000 R CNN
	1    3800 2150
	1    0    0    1   
$EndComp
$Comp
L R R23
U 1 1 53BAED62
P 4400 1350
F 0 "R23" V 4480 1350 50  0000 C CNN
F 1 "470" V 4400 1350 50  0000 C CNN
	1    4400 1350
	1    0    0    -1  
$EndComp
$Comp
L R R3
U 1 1 53BAED4B
P 3900 1350
F 0 "R3" V 3980 1350 50  0000 C CNN
F 1 "3.3k" V 3900 1350 50  0000 C CNN
	1    3900 1350
	1    0    0    -1  
$EndComp
$Comp
L NPN Q1
U 1 1 53BAECEA
P 3300 1750
F 0 "Q1" H 3300 1600 50  0000 R CNN
F 1 "2N2222" H 3300 1900 50  0000 R CNN
F 2 "TO92" H 3300 1750 60  0001 C CNN
	1    3300 1750
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR12
U 1 1 53BAEB2D
P 2750 2800
F 0 "#PWR12" H 2750 2800 30  0001 C CNN
F 1 "GND" H 2750 2730 30  0001 C CNN
	1    2750 2800
	1    0    0    -1  
$EndComp
$Comp
L R R2
U 1 1 53BAEACA
P 2750 2450
F 0 "R2" V 2830 2450 50  0000 C CNN
F 1 "100k" V 2750 2450 50  0000 C CNN
	1    2750 2450
	1    0    0    -1  
$EndComp
$Comp
L R R1
U 1 1 53BAEAC0
P 2750 1350
F 0 "R1" V 2830 1350 50  0000 C CNN
F 1 "100k" V 2750 1350 50  0000 C CNN
	1    2750 1350
	1    0    0    -1  
$EndComp
$Comp
L C C3
U 1 1 53BAEA21
P 3100 2150
F 0 "C3" H 3150 2250 50  0000 L CNN
F 1 "10nF" H 3150 2050 50  0000 L CNN
	1    3100 2150
	0    1    1    0   
$EndComp
$Comp
L GND #PWR8
U 1 1 53BAE8C2
P 2100 2650
F 0 "#PWR8" H 2100 2650 30  0001 C CNN
F 1 "GND" H 2100 2580 30  0001 C CNN
	1    2100 2650
	1    0    0    -1  
$EndComp
$Comp
L C C2
U 1 1 53BAE75B
P 2550 1750
F 0 "C2" H 2600 1850 50  0000 L CNN
F 1 "4.7pF" H 2600 1650 50  0000 L CNN
	1    2550 1750
	0    -1   -1   0   
$EndComp
$Comp
L LM386 IC1
U 1 1 53BAE74A
P 8700 2100
F 0 "IC1" H 8850 2300 60  0000 C CNN
F 1 "LM386" H 8850 2400 60  0000 C CNN
	1    8700 2100
	1    0    0    -1  
$EndComp
$Comp
L CTRIM C1
U 1 1 53BAE6D1
P 1700 2150
F 0 "C1" H 1800 2300 50  0000 C CNN
F 1 "2-10pF" H 1850 2050 50  0000 C CNN
	1    1700 2150
	1    0    0    -1  
$EndComp
$Comp
L VCC #PWR1
U 1 1 53BAE61F
P 2750 1000
F 0 "#PWR1" H 2750 1100 30  0001 C CNN
F 1 "VCC" H 2750 1100 30  0000 C CNN
	1    2750 1000
	1    0    0    -1  
$EndComp
$EndSCHEMATC