usdx-kamocat/mcu.sch

EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 2 4
Title "uSDX SMD"
Date "2020-07-02"
Rev "1.1.1"
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L Device:Rotary_Encoder_Switch SW1
U 1 1 5ED956B6
P 9950 1300
F 0 "SW1" H 9950 1667 50  0000 C CNN
F 1 "Rotary_Encoder_Switch" H 9950 1576 50  0000 C CNN
F 2 "uSDX:Rotary_Encoder_Sw" H 9800 1460 50  0001 C CNN
F 3 "~" H 9950 1560 50  0001 C CNN
	1    9950 1300
	1    0    0    -1  
$EndComp
$Comp
L Device:C C23
U 1 1 5EE106FC
P 5100 1950
F 0 "C23" V 4848 1950 50  0000 C CNN
F 1 "22u" V 4939 1950 50  0000 C CNN
F 2 "Capacitors_SMD:C_0805" H 5138 1800 50  0001 C CNN
F 3 "~" H 5100 1950 50  0001 C CNN
	1    5100 1950
	0    1    1    0   
$EndComp
$Comp
L Device:R_US R15
U 1 1 5EE120D7
P 6450 1350
F 0 "R15" H 6382 1304 50  0000 R CNN
F 1 "22k" H 6382 1395 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 6490 1340 50  0001 C CNN
F 3 "~" H 6450 1350 50  0001 C CNN
	1    6450 1350
	-1   0    0    1   
$EndComp
$Comp
L Device:R_US R16
U 1 1 5EE123BC
P 6450 2250
F 0 "R16" H 6382 2204 50  0000 R CNN
F 1 "22k" H 6382 2295 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 6490 2240 50  0001 C CNN
F 3 "~" H 6450 2250 50  0001 C CNN
	1    6450 2250
	-1   0    0    1   
$EndComp
$Comp
L Device:R_US R14
U 1 1 5EE12A51
P 5500 2250
F 0 "R14" H 5432 2204 50  0000 R CNN
F 1 "22k" H 5432 2295 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 5540 2240 50  0001 C CNN
F 3 "~" H 5500 2250 50  0001 C CNN
	1    5500 2250
	-1   0    0    1   
$EndComp
$Comp
L Device:R_US R13
U 1 1 5EE135FF
P 5500 1350
F 0 "R13" H 5432 1304 50  0000 R CNN
F 1 "22k" H 5432 1395 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 5540 1340 50  0001 C CNN
F 3 "~" H 5500 1350 50  0001 C CNN
	1    5500 1350
	-1   0    0    1   
$EndComp
$Comp
L Device:C C24
U 1 1 5EE1B392
P 5100 1550
F 0 "C24" V 4848 1550 50  0000 C CNN
F 1 "22u" V 4939 1550 50  0000 C CNN
F 2 "Capacitors_SMD:C_0805" H 5138 1400 50  0001 C CNN
F 3 "~" H 5100 1550 50  0001 C CNN
	1    5100 1550
	0    1    1    0   
$EndComp
Wire Wire Line
	5500 1500 5500 1550
Connection ~ 6450 1950
Wire Wire Line
	5250 1550 5500 1550
Connection ~ 5500 1550
$Comp
L Device:L L4
U 1 1 5EEF14AA
P 2350 6950
F 0 "L4" H 2307 6904 50  0000 R CNN
F 1 "12u" H 2307 6995 50  0000 R CNN
F 2 "Inductors_SMD:L_0805" H 2350 6950 50  0001 C CNN
F 3 "~" H 2350 6950 50  0001 C CNN
	1    2350 6950
	0    -1   -1   0   
$EndComp
$Comp
L power:GND #PWR024
U 1 1 5EEF2473
P 2000 7050
F 0 "#PWR024" H 2000 6800 50  0001 C CNN
F 1 "GND" H 2005 6877 50  0000 C CNN
F 2 "" H 2000 7050 50  0001 C CNN
F 3 "" H 2000 7050 50  0001 C CNN
	1    2000 7050
	1    0    0    -1  
$EndComp
$Comp
L Device:C C18
U 1 1 5EEF3D92
P 2500 7150
F 0 "C18" H 2615 7196 50  0000 L CNN
F 1 "22u" H 2615 7105 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805" H 2538 7000 50  0001 C CNN
F 3 "~" H 2500 7150 50  0001 C CNN
	1    2500 7150
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR025
U 1 1 5EEF440C
P 2700 7300
F 0 "#PWR025" H 2700 7050 50  0001 C CNN
F 1 "GND" H 2705 7127 50  0000 C CNN
F 2 "" H 2700 7300 50  0001 C CNN
F 3 "" H 2700 7300 50  0001 C CNN
	1    2700 7300
	1    0    0    -1  
$EndComp
$Comp
L power:+3.3V #PWR027
U 1 1 5EEF45FA
P 2850 6900
F 0 "#PWR027" H 2850 6750 50  0001 C CNN
F 1 "+3.3V" H 2865 7073 50  0000 C CNN
F 2 "" H 2850 6900 50  0001 C CNN
F 3 "" H 2850 6900 50  0001 C CNN
	1    2850 6900
	1    0    0    -1  
$EndComp
Wire Wire Line
	2000 6950 2200 6950
$Comp
L Device:C C17
U 1 1 5EF0E2FE
P 2200 6700
F 0 "C17" H 2085 6746 50  0000 R CNN
F 1 "100n" H 2085 6655 50  0000 R CNN
F 2 "Capacitors_SMD:C_0805" H 2238 6550 50  0001 C CNN
F 3 "~" H 2200 6700 50  0001 C CNN
	1    2200 6700
	-1   0    0    -1  
$EndComp
$Comp
L power:+3.3V #PWR020
U 1 1 5EF32072
P 1100 6500
F 0 "#PWR020" H 1100 6350 50  0001 C CNN
F 1 "+3.3V" H 1115 6673 50  0000 C CNN
F 2 "" H 1100 6500 50  0001 C CNN
F 3 "" H 1100 6500 50  0001 C CNN
	1    1100 6500
	1    0    0    -1  
$EndComp
Wire Wire Line
	2850 6950 2850 6900
Connection ~ 2500 6950
Wire Wire Line
	2500 6950 2500 7000
$Comp
L Device:C C12
U 1 1 5EF72A6E
P 1300 7250
F 0 "C12" H 1415 7296 50  0000 L CNN
F 1 "10u" H 1415 7205 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805" H 1338 7100 50  0001 C CNN
F 3 "~" H 1300 7250 50  0001 C CNN
	1    1300 7250
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR021
U 1 1 5EF732FF
P 1200 7450
F 0 "#PWR021" H 1200 7200 50  0001 C CNN
F 1 "GND" H 1205 7277 50  0000 C CNN
F 2 "" H 1200 7450 50  0001 C CNN
F 3 "" H 1200 7450 50  0001 C CNN
	1    1200 7450
	1    0    0    -1  
$EndComp
Wire Wire Line
	1300 7100 1300 7050
$Comp
L Device:C C19
U 1 1 5EF8AF08
P 2850 7150
F 0 "C19" H 2965 7196 50  0000 L CNN
F 1 "22u" H 2965 7105 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805" H 2888 7000 50  0001 C CNN
F 3 "~" H 2850 7150 50  0001 C CNN
	1    2850 7150
	1    0    0    -1  
$EndComp
Wire Wire Line
	2850 7000 2850 6950
Wire Wire Line
	2850 7300 2700 7300
Connection ~ 2700 7300
Wire Wire Line
	2700 7300 2500 7300
Connection ~ 2850 6950
Wire Wire Line
	2500 6950 2850 6950
$Comp
L power:+3.3V #PWR049
U 1 1 5EFDFCE6
P 8650 2700
F 0 "#PWR049" H 8650 2550 50  0001 C CNN
F 1 "+3.3V" H 8665 2873 50  0000 C CNN
F 2 "" H 8650 2700 50  0001 C CNN
F 3 "" H 8650 2700 50  0001 C CNN
	1    8650 2700
	1    0    0    1   
$EndComp
Wire Wire Line
	8750 2700 8650 2700
Wire Wire Line
	8750 2400 8550 2400
Text Label 8550 2400 0    50   ~ 0
SDA2
Text Label 8550 2500 0    50   ~ 0
SCL2
$Comp
L power:GND #PWR048
U 1 1 5F00BE2D
P 8150 2600
F 0 "#PWR048" H 8150 2350 50  0001 C CNN
F 1 "GND" H 8155 2427 50  0000 C CNN
F 2 "" H 8150 2600 50  0001 C CNN
F 3 "" H 8150 2600 50  0001 C CNN
	1    8150 2600
	-1   0    0    -1  
$EndComp
$Comp
L Device:C C33
U 1 1 5F03BF88
P 3900 7100
F 0 "C33" H 4015 7146 50  0000 L CNN
F 1 "100n" H 4015 7055 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805" H 3938 6950 50  0001 C CNN
F 3 "~" H 3900 7100 50  0001 C CNN
	1    3900 7100
	1    0    0    -1  
$EndComp
Wire Wire Line
	3900 6950 3900 6900
$Comp
L Device:C C31
U 1 1 5F03C725
P 3500 7100
F 0 "C31" H 3615 7146 50  0000 L CNN
F 1 "1u" H 3615 7055 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805" H 3538 6950 50  0001 C CNN
F 3 "~" H 3500 7100 50  0001 C CNN
	1    3500 7100
	1    0    0    -1  
$EndComp
Wire Wire Line
	3500 6950 3500 6900
Wire Wire Line
	3500 6900 3700 6900
$Comp
L power:GND #PWR042
U 1 1 5F0D940B
P 9300 1850
F 0 "#PWR042" H 9300 1600 50  0001 C CNN
F 1 "GND" H 9305 1677 50  0000 C CNN
F 2 "" H 9300 1850 50  0001 C CNN
F 3 "" H 9300 1850 50  0001 C CNN
	1    9300 1850
	1    0    0    -1  
$EndComp
$Comp
L Switch:SW_Push SW2
U 1 1 5F239A6B
P 10450 1750
F 0 "SW2" H 10450 2035 50  0000 C CNN
F 1 "Enter" H 10450 1944 50  0000 C CNN
F 2 "Buttons_Switches_SMD:SW_SPST_B3U-1000P-B" H 10450 1950 50  0001 C CNN
F 3 "~" H 10450 1950 50  0001 C CNN
	1    10450 1750
	1    0    0    -1  
$EndComp
$Comp
L Switch:SW_Push SW3
U 1 1 5F23A03F
P 10450 2200
F 0 "SW3" H 10450 2485 50  0000 C CNN
F 1 "Left" H 10450 2394 50  0000 C CNN
F 2 "Buttons_Switches_SMD:SW_SPST_B3U-1000P-B" H 10450 2400 50  0001 C CNN
F 3 "~" H 10450 2400 50  0001 C CNN
	1    10450 2200
	1    0    0    -1  
$EndComp
$Comp
L Switch:SW_Push SW4
U 1 1 5F23A62E
P 10450 2600
F 0 "SW4" H 10450 2885 50  0000 C CNN
F 1 "Right" H 10450 2794 50  0000 C CNN
F 2 "Buttons_Switches_SMD:SW_SPST_B3U-1000P-B" H 10450 2800 50  0001 C CNN
F 3 "~" H 10450 2800 50  0001 C CNN
	1    10450 2600
	1    0    0    -1  
$EndComp
Wire Wire Line
	10250 1750 10250 2200
Connection ~ 10250 2200
Wire Wire Line
	10250 2200 10250 2600
$Comp
L Device:R_US R22
U 1 1 5F283AA3
P 10650 2750
F 0 "R22" H 10582 2704 50  0000 R CNN
F 1 "1k" H 10582 2795 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 10690 2740 50  0001 C CNN
F 3 "~" H 10650 2750 50  0001 C CNN
	1    10650 2750
	-1   0    0    1   
$EndComp
$Comp
L power:GND #PWR050
U 1 1 5F2842FA
P 10650 2900
F 0 "#PWR050" H 10650 2650 50  0001 C CNN
F 1 "GND" H 10655 2727 50  0000 C CNN
F 2 "" H 10650 2900 50  0001 C CNN
F 3 "" H 10650 2900 50  0001 C CNN
	1    10650 2900
	1    0    0    -1  
$EndComp
Text Label 10250 1950 1    50   ~ 0
BTN
$Comp
L power:GND #PWR053
U 1 1 5F325FF7
P 9000 3750
F 0 "#PWR053" H 9000 3500 50  0001 C CNN
F 1 "GND" H 9005 3577 50  0000 C CNN
F 2 "" H 9000 3750 50  0001 C CNN
F 3 "" H 9000 3750 50  0001 C CNN
	1    9000 3750
	1    0    0    -1  
$EndComp
Text Label 9000 3400 0    50   ~ 0
DIT
Text Label 9000 3500 0    50   ~ 0
DAH
$Comp
L uSDX:JW5057 U5
U 1 1 5EDDB1FE
P 1700 6950
F 0 "U5" H 1700 7275 50  0000 C CNN
F 1 "JW50507" H 1700 7184 50  0000 C CNN
F 2 "TO_SOT_Packages_SMD:SOT-23-6" H 1675 6950 50  0001 C CNN
F 3 "" H 1675 6950 50  0001 C CNN
	1    1700 6950
	1    0    0    -1  
$EndComp
$Comp
L uSDX:SSD1306 U8
U 1 1 5EFC4A96
P 9300 2550
F 0 "U8" V 9249 2653 50  0000 L CNN
F 1 "OLED Display" V 9340 2653 50  0000 L CNN
F 2 "Pin_Headers:Pin_Header_Straight_1x04_Pitch2.54mm" H 9300 2550 50  0001 C CNN
F 3 "" H 9300 2550 50  0001 C CNN
	1    9300 2550
	0    1    -1   0   
$EndComp
$Comp
L power:+3.3V #PWR0114
U 1 1 5EEB7D14
P 3700 6900
F 0 "#PWR0114" H 3700 6750 50  0001 C CNN
F 1 "+3.3V" H 3715 7073 50  0000 C CNN
F 2 "" H 3700 6900 50  0001 C CNN
F 3 "" H 3700 6900 50  0001 C CNN
	1    3700 6900
	1    0    0    -1  
$EndComp
Wire Wire Line
	3500 7250 3700 7250
Wire Wire Line
	3700 7250 3900 7250
Connection ~ 3700 7250
$Comp
L power:GND #PWR043
U 1 1 5F03D5B9
P 3700 7250
F 0 "#PWR043" H 3700 7000 50  0001 C CNN
F 1 "GND" H 3705 7077 50  0000 C CNN
F 2 "" H 3700 7250 50  0001 C CNN
F 3 "" H 3700 7250 50  0001 C CNN
	1    3700 7250
	1    0    0    -1  
$EndComp
$Comp
L Connector:AudioJack4 J7
U 1 1 5F1114D7
P 10250 4550
F 0 "J7" H 9920 4525 50  0000 R CNN
F 1 "AudioJack4" H 9920 4434 50  0000 R CNN
F 2 "uSDX:ASJ-112-M" H 10250 4550 50  0001 C CNN
F 3 "http://www.adam-tech.com/downloader.php?p=ASJ-112-X.pdf" H 10250 4550 50  0001 C CNN
	1    10250 4550
	-1   0    0    -1  
$EndComp
$Comp
L power:GND #PWR0126
U 1 1 5F11E76E
P 8500 4750
F 0 "#PWR0126" H 8500 4500 50  0001 C CNN
F 1 "GND" H 8505 4577 50  0000 C CNN
F 2 "" H 8500 4750 50  0001 C CNN
F 3 "" H 8500 4750 50  0001 C CNN
	1    8500 4750
	1    0    0    -1  
$EndComp
Wire Wire Line
	10050 4550 8500 4550
Text Label 8000 4450 0    50   ~ 0
MIC
Wire Wire Line
	8700 4450 10050 4450
Text Notes 9000 4350 0    50   ~ 0
3.5mm headset with mic
Text Notes 8900 3250 0    50   ~ 0
External keyer
Wire Wire Line
	10250 1400 10250 1750
Connection ~ 10250 1750
Wire Wire Line
	8500 4750 8500 4550
$Comp
L Device:C C29
U 1 1 5F28CB56
P 8550 4450
F 0 "C29" V 8802 4450 50  0000 C CNN
F 1 "10n" V 8711 4450 50  0000 C CNN
F 2 "Capacitors_SMD:C_0805" H 8588 4300 50  0001 C CNN
F 3 "~" H 8550 4450 50  0001 C CNN
	1    8550 4450
	0    -1   -1   0   
$EndComp
$Comp
L Device:R_US R4
U 1 1 5F28CB5C
P 8250 4700
F 0 "R4" H 8318 4746 50  0000 L CNN
F 1 "2M" H 8318 4655 50  0000 L CNN
F 2 "Resistors_SMD:R_0805" V 8290 4690 50  0001 C CNN
F 3 "~" H 8250 4700 50  0001 C CNN
	1    8250 4700
	1    0    0    -1  
$EndComp
$Comp
L Device:R_US R2
U 1 1 5F28CB62
P 8250 4200
F 0 "R2" H 8318 4246 50  0000 L CNN
F 1 "2M" H 8318 4155 50  0000 L CNN
F 2 "Resistors_SMD:R_0805" V 8290 4190 50  0001 C CNN
F 3 "~" H 8250 4200 50  0001 C CNN
	1    8250 4200
	1    0    0    -1  
$EndComp
Wire Wire Line
	8000 4450 8250 4450
Wire Wire Line
	8250 4350 8250 4450
Connection ~ 8250 4450
Wire Wire Line
	8250 4450 8400 4450
Wire Wire Line
	8250 4450 8250 4550
Wire Wire Line
	9000 3750 9000 3700
Wire Wire Line
	9000 3600 9200 3600
Wire Wire Line
	9200 3700 9000 3700
Connection ~ 9000 3700
Wire Wire Line
	9000 3700 9000 3600
$Comp
L Connector:AudioJack4 J3
U 1 1 5EEE8932
P 9400 3600
F 0 "J3" H 9070 3575 50  0000 R CNN
F 1 "AudioJack4" H 9070 3484 50  0000 R CNN
F 2 "uSDX:ASJ-112-M" H 9400 3600 50  0001 C CNN
F 3 "http://www.adam-tech.com/downloader.php?p=ASJ-112-X.pdf" H 9400 3600 50  0001 C CNN
	1    9400 3600
	-1   0    0    1   
$EndComp
$Comp
L Connector:Conn_01x02_Female J9
U 1 1 5F0E8087
P 950 5700
F 0 "J9" H 978 5676 50  0000 L CNN
F 1 "Conn_01x02_Female" H 978 5585 50  0000 L CNN
F 2 "Pin_Headers:Pin_Header_Straight_1x02_Pitch2.54mm" H 950 5700 50  0001 C CNN
F 3 "~" H 950 5700 50  0001 C CNN
	1    950  5700
	-1   0    0    1   
$EndComp
$Comp
L power:GND #PWR02
U 1 1 5F12A081
P 1450 5900
F 0 "#PWR02" H 1450 5650 50  0001 C CNN
F 1 "GND" H 1455 5727 50  0000 C CNN
F 2 "" H 1450 5900 50  0001 C CNN
F 3 "" H 1450 5900 50  0001 C CNN
	1    1450 5900
	1    0    0    -1  
$EndComp
$Comp
L Device:R_US R29
U 1 1 5EECAB7C
P 3750 5650
F 0 "R29" H 3818 5696 50  0000 L CNN
F 1 "10k" H 3818 5605 50  0000 L CNN
F 2 "Resistors_SMD:R_0805" V 3790 5640 50  0001 C CNN
F 3 "~" H 3750 5650 50  0001 C CNN
	1    3750 5650
	1    0    0    -1  
$EndComp
$Comp
L Device:R_US R28
U 1 1 5EECB437
P 3750 5250
F 0 "R28" H 3818 5296 50  0000 L CNN
F 1 "150k" H 3818 5205 50  0000 L CNN
F 2 "Resistors_SMD:R_0805" V 3790 5240 50  0001 C CNN
F 3 "~" H 3750 5250 50  0001 C CNN
	1    3750 5250
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR08
U 1 1 5EECB800
P 3750 5800
F 0 "#PWR08" H 3750 5550 50  0001 C CNN
F 1 "GND" H 3755 5627 50  0000 C CNN
F 2 "" H 3750 5800 50  0001 C CNN
F 3 "" H 3750 5800 50  0001 C CNN
	1    3750 5800
	1    0    0    -1  
$EndComp
Wire Wire Line
	3750 5400 3750 5450
Connection ~ 3750 5450
Wire Wire Line
	3750 5450 3750 5500
Text Label 4200 5450 0    50   ~ 0
VBAT
$Comp
L Device:R_US R31
U 1 1 5EF11DAC
P 1100 6650
F 0 "R31" H 1168 6696 50  0000 L CNN
F 1 "45k" H 1168 6605 50  0000 L CNN
F 2 "Resistors_SMD:R_0805" V 1140 6640 50  0001 C CNN
F 3 "~" H 1100 6650 50  0001 C CNN
	1    1100 6650
	1    0    0    -1  
$EndComp
$Comp
L Device:R_US R30
U 1 1 5EF31664
P 1100 7250
F 0 "R30" V 895 7250 50  0000 C CNN
F 1 "10k" V 986 7250 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 1140 7240 50  0001 C CNN
F 3 "~" H 1100 7250 50  0001 C CNN
	1    1100 7250
	1    0    0    -1  
$EndComp
$Comp
L Device:R_US R12
U 1 1 5F5BCF2F
P 10650 2400
F 0 "R12" H 10582 2354 50  0000 R CNN
F 1 "1k" H 10582 2445 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 10690 2390 50  0001 C CNN
F 3 "~" H 10650 2400 50  0001 C CNN
	1    10650 2400
	-1   0    0    1   
$EndComp
$Comp
L Device:R_US R11
U 1 1 5F5BD5D8
P 10650 2000
F 0 "R11" H 10582 1954 50  0000 R CNN
F 1 "1k" H 10582 2045 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 10690 1990 50  0001 C CNN
F 3 "~" H 10650 2000 50  0001 C CNN
	1    10650 2000
	-1   0    0    1   
$EndComp
$Comp
L Device:R_US R10
U 1 1 5F5BDE16
P 10650 1550
F 0 "R10" H 10582 1504 50  0000 R CNN
F 1 "1k" H 10582 1595 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 10690 1540 50  0001 C CNN
F 3 "~" H 10650 1550 50  0001 C CNN
	1    10650 1550
	-1   0    0    1   
$EndComp
$Comp
L Device:R_US R9
U 1 1 5F5BE188
P 10650 1150
F 0 "R9" H 10582 1104 50  0000 R CNN
F 1 "1k" H 10582 1195 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 10690 1140 50  0001 C CNN
F 3 "~" H 10650 1150 50  0001 C CNN
	1    10650 1150
	-1   0    0    1   
$EndComp
Wire Wire Line
	10250 1200 10550 1200
Wire Wire Line
	10550 1200 10550 1350
Wire Wire Line
	10550 1350 10650 1350
Wire Wire Line
	10650 1350 10650 1300
Wire Wire Line
	10650 1350 10650 1400
Connection ~ 10650 1350
Wire Wire Line
	10650 1700 10650 1750
Connection ~ 10650 1750
Wire Wire Line
	10650 1750 10650 1850
Wire Wire Line
	10650 2150 10650 2200
Connection ~ 10650 2200
Wire Wire Line
	10650 2200 10650 2250
Wire Wire Line
	10650 2550 10650 2600
Connection ~ 10650 2600
Text Label 8550 5200 2    50   ~ 0
SPKR_R
$Comp
L power:+12V #PWR0101
U 1 1 5F65240C
P 2300 5250
F 0 "#PWR0101" H 2300 5100 50  0001 C CNN
F 1 "+12V" H 2315 5423 50  0000 C CNN
F 2 "" H 2300 5250 50  0001 C CNN
F 3 "" H 2300 5250 50  0001 C CNN
	1    2300 5250
	1    0    0    -1  
$EndComp
$Comp
L power:+12V #PWR0102
U 1 1 5F6665DA
P 3750 5100
F 0 "#PWR0102" H 3750 4950 50  0001 C CNN
F 1 "+12V" H 3765 5273 50  0000 C CNN
F 2 "" H 3750 5100 50  0001 C CNN
F 3 "" H 3750 5100 50  0001 C CNN
	1    3750 5100
	1    0    0    -1  
$EndComp
$Comp
L power:+12V #PWR0113
U 1 1 5F666D64
P 850 6950
F 0 "#PWR0113" H 850 6800 50  0001 C CNN
F 1 "+12V" H 865 7123 50  0000 C CNN
F 2 "" H 850 6950 50  0001 C CNN
F 3 "" H 850 6950 50  0001 C CNN
	1    850  6950
	1    0    0    -1  
$EndComp
Wire Wire Line
	1100 6800 1100 6850
Wire Wire Line
	1400 6850 1100 6850
Connection ~ 1100 6850
Wire Wire Line
	1100 6850 1100 7100
Wire Wire Line
	1100 7400 1100 7450
Wire Wire Line
	1100 7450 1200 7450
Wire Wire Line
	1300 7450 1300 7400
Connection ~ 1200 7450
Wire Wire Line
	1200 7450 1300 7450
Wire Wire Line
	2200 6550 2000 6550
Wire Wire Line
	2000 6550 2000 6850
Wire Wire Line
	2200 6850 2200 6950
Connection ~ 2200 6950
$Comp
L Device:D_Schottky D1
U 1 1 5F690309
P 1300 5600
F 0 "D1" H 1300 5383 50  0000 C CNN
F 1 "D_Schottky" H 1300 5474 50  0000 C CNN
F 2 "Diodes_SMD:D_0805" H 1300 5600 50  0001 C CNN
F 3 "~" H 1300 5600 50  0001 C CNN
	1    1300 5600
	-1   0    0    1   
$EndComp
$Comp
L Device:D_Schottky D2
U 1 1 5F690BF9
P 1450 5750
F 0 "D2" V 1404 5830 50  0000 L CNN
F 1 "D_Schottky" V 1495 5830 50  0000 L CNN
F 2 "Diodes_SMD:D_0805" H 1450 5750 50  0001 C CNN
F 3 "~" H 1450 5750 50  0001 C CNN
	1    1450 5750
	0    1    1    0   
$EndComp
$Comp
L Device:LED D3
U 1 1 5F6B32D4
P 2300 5400
F 0 "D3" V 2339 5282 50  0000 R CNN
F 1 "LED" V 2248 5282 50  0000 R CNN
F 2 "Diodes_SMD:D_0805" H 2300 5400 50  0001 C CNN
F 3 "~" H 2300 5400 50  0001 C CNN
	1    2300 5400
	0    -1   -1   0   
$EndComp
$Comp
L power:GND #PWR0115
U 1 1 5F6B4822
P 1150 5700
F 0 "#PWR0115" H 1150 5450 50  0001 C CNN
F 1 "GND" H 1155 5527 50  0000 C CNN
F 2 "" H 1150 5700 50  0001 C CNN
F 3 "" H 1150 5700 50  0001 C CNN
	1    1150 5700
	1    0    0    -1  
$EndComp
$Comp
L Device:R_US R1
U 1 1 5F6BD252
P 2300 5700
F 0 "R1" H 2368 5746 50  0000 L CNN
F 1 "10k" H 2368 5655 50  0000 L CNN
F 2 "Resistors_SMD:R_0805" V 2340 5690 50  0001 C CNN
F 3 "~" H 2300 5700 50  0001 C CNN
	1    2300 5700
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0116
U 1 1 5F6BD7C6
P 2300 5850
F 0 "#PWR0116" H 2300 5600 50  0001 C CNN
F 1 "GND" H 2305 5677 50  0000 C CNN
F 2 "" H 2300 5850 50  0001 C CNN
F 3 "" H 2300 5850 50  0001 C CNN
	1    2300 5850
	1    0    0    -1  
$EndComp
$Comp
L power:+12V #PWR0117
U 1 1 5F6BDA39
P 1550 5600
F 0 "#PWR0117" H 1550 5450 50  0001 C CNN
F 1 "+12V" H 1565 5773 50  0000 C CNN
F 2 "" H 1550 5600 50  0001 C CNN
F 3 "" H 1550 5600 50  0001 C CNN
	1    1550 5600
	1    0    0    -1  
$EndComp
Wire Wire Line
	1450 5600 1550 5600
Connection ~ 1450 5600
$Comp
L Device:LED D4
U 1 1 5F6C7F82
P 2750 5400
F 0 "D4" V 2789 5282 50  0000 R CNN
F 1 "LED" V 2698 5282 50  0000 R CNN
F 2 "Diodes_SMD:D_0805" H 2750 5400 50  0001 C CNN
F 3 "~" H 2750 5400 50  0001 C CNN
	1    2750 5400
	0    -1   -1   0   
$EndComp
$Comp
L Device:R_US R3
U 1 1 5F6C7F8C
P 2750 5700
F 0 "R3" H 2818 5746 50  0000 L CNN
F 1 "1k" H 2818 5655 50  0000 L CNN
F 2 "Resistors_SMD:R_0805" V 2790 5690 50  0001 C CNN
F 3 "~" H 2750 5700 50  0001 C CNN
	1    2750 5700
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0118
U 1 1 5F6C7F96
P 2750 5850
F 0 "#PWR0118" H 2750 5600 50  0001 C CNN
F 1 "GND" H 2755 5677 50  0000 C CNN
F 2 "" H 2750 5850 50  0001 C CNN
F 3 "" H 2750 5850 50  0001 C CNN
	1    2750 5850
	1    0    0    -1  
$EndComp
$Comp
L power:+3.3V #PWR0119
U 1 1 5F6CC9C0
P 2750 5250
F 0 "#PWR0119" H 2750 5100 50  0001 C CNN
F 1 "+3.3V" H 2765 5423 50  0000 C CNN
F 2 "" H 2750 5250 50  0001 C CNN
F 3 "" H 2750 5250 50  0001 C CNN
	1    2750 5250
	1    0    0    -1  
$EndComp
Wire Wire Line
	850  6950 850  7050
Wire Wire Line
	1400 7050 1300 7050
Connection ~ 1300 7050
Wire Wire Line
	1400 6950 1300 6950
Wire Wire Line
	1300 6950 1300 7050
Wire Wire Line
	850  7050 1300 7050
$Comp
L uSDX:black_pill U1
U 1 1 5F3319DA
P 2700 2600
F 0 "U1" H 2675 3865 50  0000 C CNN
F 1 "black_pill" H 2675 3774 50  0000 C CNN
F 2 "Housings_DIP:DIP-40_W15.24mm" H 2700 2600 50  0001 C CNN
F 3 "" H 2700 2600 50  0001 C CNN
	1    2700 2600
	1    0    0    -1  
$EndComp
Text Label 2050 1800 2    50   ~ 0
DIT
Text Label 2050 1900 2    50   ~ 0
DAH
Text Label 2050 2700 2    50   ~ 0
MIC
Text Label 2050 2800 2    50   ~ 0
RX_I_SAFE
Text Label 2050 2900 2    50   ~ 0
RX_Q_SAFE
Text Label 2050 3000 2    50   ~ 0
VBAT
Text Label 2050 3200 2    50   ~ 0
SCL2
$Comp
L power:+3.3V #PWR0120
U 1 1 5F33B81F
P 1900 3300
F 0 "#PWR0120" H 1900 3150 50  0001 C CNN
F 1 "+3.3V" V 1915 3428 50  0000 L CNN
F 2 "" H 1900 3300 50  0001 C CNN
F 3 "" H 1900 3300 50  0001 C CNN
	1    1900 3300
	0    -1   -1   0   
$EndComp
Wire Wire Line
	2050 3300 1900 3300
$Comp
L power:GND #PWR0121
U 1 1 5F340880
P 1850 3500
F 0 "#PWR0121" H 1850 3250 50  0001 C CNN
F 1 "GND" H 1855 3327 50  0000 C CNN
F 2 "" H 1850 3500 50  0001 C CNN
F 3 "" H 1850 3500 50  0001 C CNN
	1    1850 3500
	1    0    0    -1  
$EndComp
Wire Wire Line
	2050 3400 1850 3400
Wire Wire Line
	1850 3400 1850 3500
$Comp
L power:+3.3V #PWR0122
U 1 1 5F344B72
P 3400 1500
F 0 "#PWR0122" H 3400 1350 50  0001 C CNN
F 1 "+3.3V" H 3415 1673 50  0000 C CNN
F 2 "" H 3400 1500 50  0001 C CNN
F 3 "" H 3400 1500 50  0001 C CNN
	1    3400 1500
	1    0    0    -1  
$EndComp
Wire Wire Line
	3400 1500 3400 1600
Wire Wire Line
	3400 1600 3300 1600
$Comp
L power:GND #PWR0123
U 1 1 5F34940E
P 3650 1700
F 0 "#PWR0123" H 3650 1450 50  0001 C CNN
F 1 "GND" H 3655 1527 50  0000 C CNN
F 2 "" H 3650 1700 50  0001 C CNN
F 3 "" H 3650 1700 50  0001 C CNN
	1    3650 1700
	0    -1   -1   0   
$EndComp
Wire Wire Line
	3650 1700 3300 1700
Text Label 3300 2900 0    50   ~ 0
SPKR_L
Text Label 3300 2800 0    50   ~ 0
SPKR_R
Text Label 3300 2600 0    50   ~ 0
GPS_REF_CLK
Text Label 3300 2500 0    50   ~ 0
SDA2
Text Label 3300 2400 0    50   ~ 0
ENC_A
Text Label 3300 2300 0    50   ~ 0
ENC_B
Text Label 3300 2200 0    50   ~ 0
UART1_TX
Text Label 3300 2100 0    50   ~ 0
UART1_RX
Wire Wire Line
	8150 2600 8750 2600
$Comp
L Device:R_US R6
U 1 1 5F3643E5
P 8550 2100
F 0 "R6" H 8618 2146 50  0000 L CNN
F 1 "1k" H 8618 2055 50  0000 L CNN
F 2 "Resistors_SMD:R_0805" V 8590 2090 50  0001 C CNN
F 3 "~" H 8550 2100 50  0001 C CNN
	1    8550 2100
	1    0    0    1   
$EndComp
$Comp
L Device:R_US R5
U 1 1 5F364A8D
P 8300 2100
F 0 "R5" H 8368 2146 50  0000 L CNN
F 1 "1k" H 8368 2055 50  0000 L CNN
F 2 "Resistors_SMD:R_0805" V 8340 2090 50  0001 C CNN
F 3 "~" H 8300 2100 50  0001 C CNN
	1    8300 2100
	1    0    0    1   
$EndComp
Wire Wire Line
	8300 2500 8750 2500
$Comp
L power:+3.3V #PWR0124
U 1 1 5F37A11F
P 8450 1850
F 0 "#PWR0124" H 8450 1700 50  0001 C CNN
F 1 "+3.3V" H 8465 2023 50  0000 C CNN
F 2 "" H 8450 1850 50  0001 C CNN
F 3 "" H 8450 1850 50  0001 C CNN
	1    8450 1850
	-1   0    0    -1  
$EndComp
Wire Wire Line
	8300 1950 8450 1950
Wire Wire Line
	8450 1850 8450 1950
Connection ~ 8450 1950
Wire Wire Line
	8450 1950 8550 1950
Wire Wire Line
	8550 2250 8550 2400
Wire Wire Line
	8300 2250 8300 2500
$Comp
L Device:C C9
U 1 1 5F39EF4E
P 8850 5350
F 0 "C9" H 8965 5396 50  0000 L CNN
F 1 "1u" H 8965 5305 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805" H 8888 5200 50  0001 C CNN
F 3 "~" H 8850 5350 50  0001 C CNN
	1    8850 5350
	1    0    0    -1  
$EndComp
$Comp
L Device:C C14
U 1 1 5F39F89D
P 9650 5350
F 0 "C14" H 9765 5396 50  0000 L CNN
F 1 "1u" H 9765 5305 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805" H 9688 5200 50  0001 C CNN
F 3 "~" H 9650 5350 50  0001 C CNN
	1    9650 5350
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0125
U 1 1 5F3E0345
P 8850 5500
F 0 "#PWR0125" H 8850 5250 50  0001 C CNN
F 1 "GND" H 8855 5327 50  0000 C CNN
F 2 "" H 8850 5500 50  0001 C CNN
F 3 "" H 8850 5500 50  0001 C CNN
	1    8850 5500
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0127
U 1 1 5F3E05F6
P 9650 5500
F 0 "#PWR0127" H 9650 5250 50  0001 C CNN
F 1 "GND" H 9655 5327 50  0000 C CNN
F 2 "" H 9650 5500 50  0001 C CNN
F 3 "" H 9650 5500 50  0001 C CNN
	1    9650 5500
	1    0    0    -1  
$EndComp
Wire Wire Line
	8850 4650 10050 4650
$Comp
L Device:CP1_Small C8
U 1 1 5F4201B8
P 8850 4900
F 0 "C8" H 8759 4854 50  0000 R CNN
F 1 "220u" H 8759 4945 50  0000 R CNN
F 2 "Capacitors_Tantalum_SMD:CP_Tantalum_Case-R_EIA-2012-12_Reflow" H 8850 4900 50  0001 C CNN
F 3 "~" H 8850 4900 50  0001 C CNN
	1    8850 4900
	-1   0    0    1   
$EndComp
Wire Wire Line
	8850 4650 8850 4800
Wire Wire Line
	8850 5000 8850 5200
Wire Wire Line
	9650 5050 9650 5200
Wire Wire Line
	9650 4850 9650 4750
Text Label 9350 5200 2    50   ~ 0
SPKR_L
$Comp
L Device:CP1_Small C13
U 1 1 5F420AC5
P 9650 4950
F 0 "C13" H 9559 4904 50  0000 R CNN
F 1 "220u" H 9559 4995 50  0000 R CNN
F 2 "Capacitors_Tantalum_SMD:CP_Tantalum_Case-R_EIA-2012-12_Reflow" H 9650 4950 50  0001 C CNN
F 3 "~" H 9650 4950 50  0001 C CNN
	1    9650 4950
	-1   0    0    1   
$EndComp
Text Notes 9950 5250 0    50   ~ 0
Band-pass filter 50Hz-5kHz\nTuned for 200-ohm load
Connection ~ 9650 5200
$Comp
L Device:L L6
U 1 1 5F3CA3E3
P 9500 5200
F 0 "L6" H 9457 5154 50  0000 R CNN
F 1 "47mH" H 9457 5245 50  0000 R CNN
F 2 "Inductors_SMD:L_0805" H 9500 5200 50  0001 C CNN
F 3 "~" H 9500 5200 50  0001 C CNN
	1    9500 5200
	0    1    1    0   
$EndComp
Connection ~ 8850 5200
$Comp
L Device:L L5
U 1 1 5F3C9A87
P 8700 5200
F 0 "L5" H 8657 5154 50  0000 R CNN
F 1 "47mH" H 8657 5245 50  0000 R CNN
F 2 "Inductors_SMD:L_0805" H 8700 5200 50  0001 C CNN
F 3 "~" H 8700 5200 50  0001 C CNN
	1    8700 5200
	0    1    1    0   
$EndComp
Wire Wire Line
	9650 4750 10050 4750
$Comp
L Device:R_US R7
U 1 1 5F46BBBE
P 8950 1200
F 0 "R7" H 8882 1154 50  0000 R CNN
F 1 "1k" H 8882 1245 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 8990 1190 50  0001 C CNN
F 3 "~" H 8950 1200 50  0001 C CNN
	1    8950 1200
	0    1    1    0   
$EndComp
$Comp
L Device:R_US R8
U 1 1 5F46D11B
P 8950 1400
F 0 "R8" H 8882 1354 50  0000 R CNN
F 1 "1k" H 8882 1445 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 8990 1390 50  0001 C CNN
F 3 "~" H 8950 1400 50  0001 C CNN
	1    8950 1400
	0    -1   -1   0   
$EndComp
$Comp
L power:+3.3V #PWR0128
U 1 1 5F46D35C
P 8700 1200
F 0 "#PWR0128" H 8700 1050 50  0001 C CNN
F 1 "+3.3V" H 8715 1373 50  0000 C CNN
F 2 "" H 8700 1200 50  0001 C CNN
F 3 "" H 8700 1200 50  0001 C CNN
	1    8700 1200
	1    0    0    -1  
$EndComp
Wire Wire Line
	8800 1200 8800 1400
Wire Wire Line
	8800 1200 8700 1200
Connection ~ 8800 1200
Wire Wire Line
	9100 1200 9150 1200
Wire Wire Line
	9650 1400 9450 1400
Wire Wire Line
	9650 1300 9300 1300
Wire Wire Line
	9300 1300 9300 1850
$Comp
L Device:C C11
U 1 1 5F48D182
P 9450 1700
F 0 "C11" V 9198 1700 50  0000 C CNN
F 1 "100n" V 9289 1700 50  0000 C CNN
F 2 "Capacitors_SMD:C_0805" H 9488 1550 50  0001 C CNN
F 3 "~" H 9450 1700 50  0001 C CNN
	1    9450 1700
	-1   0    0    1   
$EndComp
$Comp
L Device:C C10
U 1 1 5F491F88
P 9150 1700
F 0 "C10" V 8898 1700 50  0000 C CNN
F 1 "100n" V 8989 1700 50  0000 C CNN
F 2 "Capacitors_SMD:C_0805" H 9188 1550 50  0001 C CNN
F 3 "~" H 9150 1700 50  0001 C CNN
	1    9150 1700
	1    0    0    -1  
$EndComp
Wire Wire Line
	9150 1850 9300 1850
Wire Wire Line
	9150 1550 9150 1200
Connection ~ 9150 1200
Wire Wire Line
	9150 1200 9650 1200
Wire Wire Line
	9450 1550 9450 1400
Connection ~ 9450 1400
Wire Wire Line
	9450 1400 9100 1400
Connection ~ 9300 1850
Wire Wire Line
	9300 1850 9300 1900
Wire Wire Line
	9300 1850 9450 1850
Text Label 9350 1200 0    50   ~ 0
ENC_A
Text Label 9350 1400 0    50   ~ 0
ENC_B
Wire Wire Line
	6450 1500 6450 1950
Wire Wire Line
	5500 1550 5500 2100
$Comp
L Device:D_Schottky D6
U 1 1 5F4F84F9
P 5800 1350
F 0 "D6" V 5754 1430 50  0000 L CNN
F 1 "D_Schottky" V 5845 1430 50  0000 L CNN
F 2 "Diodes_SMD:D_0805" H 5800 1350 50  0001 C CNN
F 3 "~" H 5800 1350 50  0001 C CNN
	1    5800 1350
	0    1    1    0   
$EndComp
$Comp
L Device:D_Schottky D9
U 1 1 5F4FB175
P 6750 2250
F 0 "D9" V 6704 2330 50  0000 L CNN
F 1 "D_Schottky" V 6795 2330 50  0000 L CNN
F 2 "Diodes_SMD:D_0805" H 6750 2250 50  0001 C CNN
F 3 "~" H 6750 2250 50  0001 C CNN
	1    6750 2250
	0    1    1    0   
$EndComp
$Comp
L Device:D_Schottky D7
U 1 1 5F50C616
P 5800 2250
F 0 "D7" V 5754 2330 50  0000 L CNN
F 1 "D_Schottky" V 5845 2330 50  0000 L CNN
F 2 "Diodes_SMD:D_0805" H 5800 2250 50  0001 C CNN
F 3 "~" H 5800 2250 50  0001 C CNN
	1    5800 2250
	0    1    1    0   
$EndComp
Wire Wire Line
	5250 1950 6450 1950
Wire Wire Line
	5500 1200 5800 1200
Wire Wire Line
	5800 1200 6100 1200
Connection ~ 5800 1200
$Comp
L Device:D_Schottky D8
U 1 1 5F51E3E5
P 6750 1350
F 0 "D8" V 6704 1430 50  0000 L CNN
F 1 "D_Schottky" V 6795 1430 50  0000 L CNN
F 2 "Diodes_SMD:D_0805" H 6750 1350 50  0001 C CNN
F 3 "~" H 6750 1350 50  0001 C CNN
	1    6750 1350
	0    1    1    0   
$EndComp
Wire Wire Line
	6750 1200 6450 1200
Connection ~ 6450 1200
Wire Wire Line
	6450 1950 6450 2100
Wire Wire Line
	6750 2100 6750 1950
Wire Wire Line
	5800 1500 5800 1550
Wire Wire Line
	5500 1550 5800 1550
Connection ~ 5800 1550
Wire Wire Line
	5800 1550 5800 2100
Wire Wire Line
	6450 1950 6750 1950
Connection ~ 6750 1950
Wire Wire Line
	6750 1950 6750 1500
$Comp
L power:GND #PWR0129
U 1 1 5F530782
P 8250 4850
F 0 "#PWR0129" H 8250 4600 50  0001 C CNN
F 1 "GND" H 8255 4677 50  0000 C CNN
F 2 "" H 8250 4850 50  0001 C CNN
F 3 "" H 8250 4850 50  0001 C CNN
	1    8250 4850
	1    0    0    -1  
$EndComp
$Comp
L power:+3.3V #PWR0130
U 1 1 5F5309CE
P 8250 4050
F 0 "#PWR0130" H 8250 3900 50  0001 C CNN
F 1 "+3.3V" H 8265 4223 50  0000 C CNN
F 2 "" H 8250 4050 50  0001 C CNN
F 3 "" H 8250 4050 50  0001 C CNN
	1    8250 4050
	1    0    0    -1  
$EndComp
Connection ~ 3700 6900
Wire Wire Line
	3700 6900 3900 6900
$Comp
L power:+3.3V #PWR0131
U 1 1 5F53CA20
P 10650 1000
F 0 "#PWR0131" H 10650 850 50  0001 C CNN
F 1 "+3.3V" H 10665 1173 50  0000 C CNN
F 2 "" H 10650 1000 50  0001 C CNN
F 3 "" H 10650 1000 50  0001 C CNN
	1    10650 1000
	1    0    0    -1  
$EndComp
$Comp
L power:+3.3V #PWR0132
U 1 1 5F53CFE2
P 6100 1200
F 0 "#PWR0132" H 6100 1050 50  0001 C CNN
F 1 "+3.3V" H 6115 1373 50  0000 C CNN
F 2 "" H 6100 1200 50  0001 C CNN
F 3 "" H 6100 1200 50  0001 C CNN
	1    6100 1200
	1    0    0    -1  
$EndComp
Connection ~ 6100 1200
Wire Wire Line
	6100 1200 6450 1200
$Comp
L power:GND #PWR0133
U 1 1 5F53D730
P 6150 2400
F 0 "#PWR0133" H 6150 2150 50  0001 C CNN
F 1 "GND" H 6155 2227 50  0000 C CNN
F 2 "" H 6150 2400 50  0001 C CNN
F 3 "" H 6150 2400 50  0001 C CNN
	1    6150 2400
	1    0    0    -1  
$EndComp
Wire Wire Line
	5500 2400 5800 2400
Connection ~ 5800 2400
Wire Wire Line
	5800 2400 6150 2400
Wire Wire Line
	6750 2400 6450 2400
Connection ~ 6450 2400
Connection ~ 6150 2400
Wire Wire Line
	6150 2400 6450 2400
Text Label 5950 1950 0    50   ~ 0
RX_Q_SAFE
Text Label 5550 1550 0    50   ~ 0
RX_I_SAFE
Text Notes 4800 2300 0    50   ~ 0
High-pass filter\nTuned to 50 Hz
Wire Wire Line
	9000 3500 9200 3500
Wire Wire Line
	9200 3400 8800 3400
Text Label 8800 3400 0    50   ~ 0
PTT
$Comp
L Device:D_Schottky D5
U 1 1 5F54FDCF
P 4100 5250
F 0 "D5" V 4054 5330 50  0000 L CNN
F 1 "D_Schottky" V 4145 5330 50  0000 L CNN
F 2 "Diodes_SMD:D_0805" H 4100 5250 50  0001 C CNN
F 3 "~" H 4100 5250 50  0001 C CNN
	1    4100 5250
	0    1    1    0   
$EndComp
$Comp
L power:+3.3V #PWR0134
U 1 1 5F55966A
P 4100 5100
F 0 "#PWR0134" H 4100 4950 50  0001 C CNN
F 1 "+3.3V" H 4115 5273 50  0000 C CNN
F 2 "" H 4100 5100 50  0001 C CNN
F 3 "" H 4100 5100 50  0001 C CNN
	1    4100 5100
	1    0    0    -1  
$EndComp
Wire Wire Line
	4100 5400 4100 5450
Wire Wire Line
	3750 5450 4100 5450
Wire Wire Line
	4100 5450 4200 5450
Connection ~ 4100 5450
$Comp
L Connector:Conn_01x02_Female J1
U 1 1 5F5BD660
P 9250 6000
F 0 "J1" H 9278 5976 50  0000 L CNN
F 1 "Conn_01x02_Female" H 9278 5885 50  0000 L CNN
F 2 "Pin_Headers:Pin_Header_Straight_1x02_Pitch2.54mm" H 9250 6000 50  0001 C CNN
F 3 "~" H 9250 6000 50  0001 C CNN
	1    9250 6000
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0135
U 1 1 5F5BDC9F
P 9050 6100
F 0 "#PWR0135" H 9050 5850 50  0001 C CNN
F 1 "GND" H 9055 5927 50  0000 C CNN
F 2 "" H 9050 6100 50  0001 C CNN
F 3 "" H 9050 6100 50  0001 C CNN
	1    9050 6100
	1    0    0    -1  
$EndComp
Text Label 9050 6000 2    50   ~ 0
GPS_REF_CLK
Text Label 2050 2200 2    50   ~ 0
BUTTONS
Wire Wire Line
	1750 3100 2050 3100
Wire Wire Line
	3300 1900 3700 1900
Wire Wire Line
	3700 2000 3300 2000
Text HLabel 1750 2100 0    50   Input ~ 0
CLK_MEASURE
Text HLabel 1750 2300 0    50   Output ~ 0
TX_BIAS
Text HLabel 1750 3100 0    50   Output ~ 0
RX_EN
Wire Wire Line
	1750 2300 2050 2300
Wire Wire Line
	1750 2100 2050 2100
Text HLabel 3700 1900 2    50   3State ~ 0
SDA1
Text HLabel 3700 2000 2    50   3State ~ 0
SCL1
Text HLabel 3750 3000 2    50   Output ~ 0
TX_Q
Text HLabel 3750 3100 2    50   Output ~ 0
TX_I
Wire Wire Line
	3750 3000 3300 3000
Wire Wire Line
	3750 3100 3300 3100
Text HLabel 4950 1550 0    50   Input ~ 0
RX_I
Text HLabel 4950 1950 0    50   Input ~ 0
RX_Q
Text HLabel 5100 3700 0    50   Input ~ 0
SWR2
Text HLabel 5100 3300 0    50   Input ~ 0
SWR1
Text Label 5900 3300 2    50   ~ 0
SWR1_SAFE
Text Label 5800 3700 2    50   ~ 0
SWR2_SAFE
Text Label 2050 2500 2    50   ~ 0
SWR1_SAFE
Text Label 2050 2600 2    50   ~ 0
SWR2_SAFE
$Comp
L Device:D_Schottky D13
U 1 1 5F54FBD1
P 6500 4000
F 0 "D13" V 6454 4080 50  0000 L CNN
F 1 "D_Schottky" V 6545 4080 50  0000 L CNN
F 2 "Diodes_SMD:D_0805" H 6500 4000 50  0001 C CNN
F 3 "~" H 6500 4000 50  0001 C CNN
	1    6500 4000
	0    1    1    0   
$EndComp
Wire Wire Line
	5950 2950 6250 2950
$Comp
L Device:D_Schottky D12
U 1 1 5F54FBE9
P 6500 3100
F 0 "D12" V 6454 3180 50  0000 L CNN
F 1 "D_Schottky" V 6545 3180 50  0000 L CNN
F 2 "Diodes_SMD:D_0805" H 6500 3100 50  0001 C CNN
F 3 "~" H 6500 3100 50  0001 C CNN
	1    6500 3100
	0    1    1    0   
$EndComp
Wire Wire Line
	6500 3850 6500 3700
Wire Wire Line
	5950 3250 5950 3300
Connection ~ 5950 3300
Wire Wire Line
	5950 3300 5950 3850
Connection ~ 6500 3700
Wire Wire Line
	6500 3700 6500 3250
$Comp
L power:+3.3V #PWR0160
U 1 1 5F54FBFE
P 6250 2950
F 0 "#PWR0160" H 6250 2800 50  0001 C CNN
F 1 "+3.3V" H 6265 3123 50  0000 C CNN
F 2 "" H 6250 2950 50  0001 C CNN
F 3 "" H 6250 2950 50  0001 C CNN
	1    6250 2950
	1    0    0    -1  
$EndComp
Connection ~ 6250 2950
$Comp
L Device:R_US R41
U 1 1 5F55A3F2
P 5250 3300
F 0 "R41" H 5182 3254 50  0000 R CNN
F 1 "1k" H 5182 3345 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 5290 3290 50  0001 C CNN
F 3 "~" H 5250 3300 50  0001 C CNN
	1    5250 3300
	0    -1   -1   0   
$EndComp
$Comp
L Device:R_US R42
U 1 1 5F566156
P 5250 3700
F 0 "R42" H 5182 3654 50  0000 R CNN
F 1 "1k" H 5182 3745 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 5290 3690 50  0001 C CNN
F 3 "~" H 5250 3700 50  0001 C CNN
	1    5250 3700
	0    -1   -1   0   
$EndComp
Wire Wire Line
	5400 3300 5950 3300
Wire Wire Line
	5000 3700 5100 3700
Wire Wire Line
	6250 2950 6500 2950
Wire Wire Line
	6300 4150 6500 4150
Wire Wire Line
	5950 4150 6300 4150
Connection ~ 6300 4150
$Comp
L power:GND #PWR0161
U 1 1 5F54FC0A
P 6300 4150
F 0 "#PWR0161" H 6300 3900 50  0001 C CNN
F 1 "GND" H 6305 3977 50  0000 C CNN
F 2 "" H 6300 4150 50  0001 C CNN
F 3 "" H 6300 4150 50  0001 C CNN
	1    6300 4150
	1    0    0    -1  
$EndComp
Wire Wire Line
	5400 3700 6500 3700
$Comp
L Device:D_Schottky D10
U 1 1 5F54FBC7
P 5950 3100
F 0 "D10" V 5904 3180 50  0000 L CNN
F 1 "D_Schottky" V 5995 3180 50  0000 L CNN
F 2 "Diodes_SMD:D_0805" H 5950 3100 50  0001 C CNN
F 3 "~" H 5950 3100 50  0001 C CNN
	1    5950 3100
	0    1    1    0   
$EndComp
$Comp
L Device:D_Schottky D11
U 1 1 5F54FBDB
P 5950 4000
F 0 "D11" V 5904 4080 50  0000 L CNN
F 1 "D_Schottky" V 5995 4080 50  0000 L CNN
F 2 "Diodes_SMD:D_0805" H 5950 4000 50  0001 C CNN
F 3 "~" H 5950 4000 50  0001 C CNN
	1    5950 4000
	0    1    1    0   
$EndComp
$EndSCHEMATC