usdx-kamocat/mcu.sch

EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 4 5
Title "Black Pill uSDX"
Date "2020-08-18"
Rev "2.0.1"
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L Device:Rotary_Encoder_Switch SW201
U 1 1 5ED956B6
P 9950 1300
F 0 "SW201" 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 C206
U 1 1 5EE106FC
P 5100 1950
F 0 "C206" V 4848 1950 50  0000 C CNN
F 1 "1u" 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 R210
U 1 1 5EE120D7
P 6450 1350
F 0 "R210" H 6382 1304 50  0000 R CNN
F 1 "10k" 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 R211
U 1 1 5EE123BC
P 6450 2250
F 0 "R211" H 6382 2204 50  0000 R CNN
F 1 "10k" 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 R206
U 1 1 5EE12A51
P 5500 2250
F 0 "R206" H 5432 2204 50  0000 R CNN
F 1 "10k" 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 R205
U 1 1 5EE135FF
P 5500 1350
F 0 "R205" H 5432 1304 50  0000 R CNN
F 1 "10k" 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 C205
U 1 1 5EE1B392
P 5100 1550
F 0 "C205" V 4848 1550 50  0000 C CNN
F 1 "1u" 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 power:+3.3V #PWR0223
U 1 1 5EFDFCE6
P 8650 2700
F 0 "#PWR0223" 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 #PWR0218
U 1 1 5F00BE2D
P 8150 2600
F 0 "#PWR0218" 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 power:GND #PWR0228
U 1 1 5F0D940B
P 9300 1850
F 0 "#PWR0228" 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 SW202
U 1 1 5F239A6B
P 10450 1750
F 0 "SW202" 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 SW203
U 1 1 5F23A03F
P 10450 2200
F 0 "SW203" 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 SW204
U 1 1 5F23A62E
P 10450 2600
F 0 "SW204" 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 R223
U 1 1 5F283AA3
P 10650 2750
F 0 "R223" 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 #PWR0231
U 1 1 5F2842FA
P 10650 2900
F 0 "#PWR0231" 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
BUTTONS
$Comp
L power:GND #PWR0226
U 1 1 5F325FF7
P 9000 3750
F 0 "#PWR0226" 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:SSD1306 U203
U 1 1 5EFC4A96
P 9300 2550
F 0 "U203" 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 Connector:AudioJack4 J203
U 1 1 5F1114D7
P 10250 4550
F 0 "J203" 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 #PWR0222
U 1 1 5F11E76E
P 8500 4750
F 0 "#PWR0222" 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 C207
U 1 1 5F28CB56
P 8550 4450
F 0 "C207" 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 R214
U 1 1 5F28CB5C
P 8250 4700
F 0 "R214" 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 R213
U 1 1 5F28CB62
P 8250 4200
F 0 "R213" 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 J202
U 1 1 5EEE8932
P 9400 3600
F 0 "J202" 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 Device:R_US R222
U 1 1 5F5BCF2F
P 10650 2400
F 0 "R222" 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 R221
U 1 1 5F5BD5D8
P 10650 2000
F 0 "R221" 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 R220
U 1 1 5F5BDE16
P 10650 1550
F 0 "R220" 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 R219
U 1 1 5F5BE188
P 10650 1150
F 0 "R219" 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 uSDX:black_pill U201
U 1 1 5F3319DA
P 2700 2600
F 0 "U201" 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 3300 3200 0    50   ~ 0
DIT
Text Label 3300 3300 0    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 #PWR0201
U 1 1 5F33B81F
P 1200 3300
F 0 "#PWR0201" H 1200 3150 50  0001 C CNN
F 1 "+3.3V" V 1215 3428 50  0000 L CNN
F 2 "" H 1200 3300 50  0001 C CNN
F 3 "" H 1200 3300 50  0001 C CNN
	1    1200 3300
	1    0    0    -1  
$EndComp
Wire Wire Line
	2050 3300 1700 3300
$Comp
L power:GND #PWR0202
U 1 1 5F340880
P 2000 3700
F 0 "#PWR0202" H 2000 3450 50  0001 C CNN
F 1 "GND" H 2005 3527 50  0000 C CNN
F 2 "" H 2000 3700 50  0001 C CNN
F 3 "" H 2000 3700 50  0001 C CNN
	1    2000 3700
	1    0    0    -1  
$EndComp
Wire Wire Line
	2050 3400 2000 3400
Wire Wire Line
	2000 3400 2000 3600
$Comp
L power:+3.3V #PWR0206
U 1 1 5F344B72
P 3400 1300
F 0 "#PWR0206" H 3400 1150 50  0001 C CNN
F 1 "+3.3V" H 3415 1473 50  0000 C CNN
F 2 "" H 3400 1300 50  0001 C CNN
F 3 "" H 3400 1300 50  0001 C CNN
	1    3400 1300
	1    0    0    -1  
$EndComp
Wire Wire Line
	3400 1300 3400 1400
Wire Wire Line
	3400 1600 3300 1600
$Comp
L power:GND #PWR0207
U 1 1 5F34940E
P 4150 1700
F 0 "#PWR0207" H 4150 1450 50  0001 C CNN
F 1 "GND" H 4155 1527 50  0000 C CNN
F 2 "" H 4150 1700 50  0001 C CNN
F 3 "" H 4150 1700 50  0001 C CNN
	1    4150 1700
	0    -1   -1   0   
$EndComp
Wire Wire Line
	4150 1700 4000 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
Wire Wire Line
	8150 2600 8750 2600
$Comp
L Device:R_US R216
U 1 1 5F3643E5
P 8550 2100
F 0 "R216" 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 R215
U 1 1 5F364A8D
P 8300 2100
F 0 "R215" 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 #PWR0221
U 1 1 5F37A11F
P 8450 1850
F 0 "#PWR0221" 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 C209
U 1 1 5F39EF4E
P 8850 5350
F 0 "C209" H 8965 5396 50  0000 L CNN
F 1 "150n" 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 C213
U 1 1 5F39F89D
P 9650 5350
F 0 "C213" H 9765 5396 50  0000 L CNN
F 1 "150n" 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 #PWR0225
U 1 1 5F3E0345
P 8850 5500
F 0 "#PWR0225" 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 #PWR0229
U 1 1 5F3E05F6
P 9650 5500
F 0 "#PWR0229" 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 C208
U 1 1 5F4201B8
P 8850 4900
F 0 "C208" H 8759 4854 50  0000 R CNN
F 1 "15u" 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 5050
Wire Wire Line
	9650 5050 9650 5100
Wire Wire Line
	9650 4850 9650 4750
Text Label 9350 5200 2    50   ~ 0
SPKR_L
$Comp
L Device:CP1_Small C212
U 1 1 5F420AC5
P 9650 4950
F 0 "C212" H 9559 4904 50  0000 R CNN
F 1 "15u" 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 10050 5050 0    50   ~ 0
Band-pass filter 50Hz-5kHz\nTuned for 200-ohm load
Connection ~ 9650 5200
$Comp
L Device:L L202
U 1 1 5F3CA3E3
P 9500 5200
F 0 "L202" H 9457 5154 50  0000 R CNN
F 1 "6.8mH" 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 L201
U 1 1 5F3C9A87
P 8700 5200
F 0 "L201" H 8657 5154 50  0000 R CNN
F 1 "6.8mH" 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 R217
U 1 1 5F46BBBE
P 8950 1200
F 0 "R217" 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 R218
U 1 1 5F46D11B
P 8950 1400
F 0 "R218" 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 #PWR0224
U 1 1 5F46D35C
P 8700 1200
F 0 "#PWR0224" 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 C211
U 1 1 5F48D182
P 9450 1700
F 0 "C211" 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 C210
U 1 1 5F491F88
P 9150 1700
F 0 "C210" 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 D202
U 1 1 5F4F84F9
P 5800 1350
F 0 "D202" 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 D205
U 1 1 5F4FB175
P 6750 2250
F 0 "D205" 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 D203
U 1 1 5F50C616
P 5800 2250
F 0 "D203" 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 D204
U 1 1 5F51E3E5
P 6750 1350
F 0 "D204" 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
	6450 1950 6750 1950
Connection ~ 6750 1950
$Comp
L power:GND #PWR0220
U 1 1 5F530782
P 8250 4850
F 0 "#PWR0220" 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 #PWR0219
U 1 1 5F5309CE
P 8250 4050
F 0 "#PWR0219" 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
$Comp
L power:+3.3V #PWR0230
U 1 1 5F53CA20
P 10650 1000
F 0 "#PWR0230" 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 #PWR0210
U 1 1 5F53CFE2
P 6100 1200
F 0 "#PWR0210" 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 #PWR0211
U 1 1 5F53D730
P 6150 2400
F 0 "#PWR0211" 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 4600 2300 0    50   ~ 0
High-pass filter\nTuned to 25-ish 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 Connector:Conn_01x02_Female J201
U 1 1 5F5BD660
P 9250 6000
F 0 "J201" 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 #PWR0227
U 1 1 5F5BDC9F
P 9050 6100
F 0 "#PWR0227" 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
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 3300 1900 2    50   3State ~ 0
SDA1
Text HLabel 3300 2000 2    50   3State ~ 0
SCL1
Text HLabel 3300 3000 2    50   Output ~ 0
TX_Q
Text HLabel 3300 3100 2    50   Output ~ 0
TX_I
Text HLabel 4950 1550 0    50   Input ~ 0
RX_I
Text HLabel 4950 1950 0    50   Input ~ 0
RX_Q
Text HLabel 5600 4100 0    50   Input ~ 0
SWR2
Text HLabel 5300 3150 0    50   Input ~ 0
SWR1
Text Label 6700 3250 2    50   ~ 0
SWR1_SAFE
Text Label 2050 2500 2    50   ~ 0
SWR1_SAFE
Text Label 2050 2600 2    50   ~ 0
SWR2_SAFE
Wire Wire Line
	6750 3200 6750 3250
$Comp
L power:+3.3V #PWR0212
U 1 1 5F54FBFE
P 6750 2900
F 0 "#PWR0212" H 6750 2750 50  0001 C CNN
F 1 "+3.3V" H 6765 3073 50  0000 C CNN
F 2 "" H 6750 2900 50  0001 C CNN
F 3 "" H 6750 2900 50  0001 C CNN
	1    6750 2900
	1    0    0    -1  
$EndComp
$Comp
L Device:R_US R209
U 1 1 5F55A3F2
P 6150 3250
F 0 "R209" H 6082 3204 50  0000 R CNN
F 1 "1k" H 6082 3295 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 6190 3240 50  0001 C CNN
F 3 "~" H 6150 3250 50  0001 C CNN
	1    6150 3250
	0    -1   -1   0   
$EndComp
$Comp
L power:GND #PWR0213
U 1 1 5F54FC0A
P 6750 3700
F 0 "#PWR0213" H 6750 3450 50  0001 C CNN
F 1 "GND" H 6755 3527 50  0000 C CNN
F 2 "" H 6750 3700 50  0001 C CNN
F 3 "" H 6750 3700 50  0001 C CNN
	1    6750 3700
	1    0    0    -1  
$EndComp
$Comp
L Device:D_Schottky D206
U 1 1 5F54FBC7
P 6750 3050
F 0 "D206" V 6704 3130 50  0000 L CNN
F 1 "D_Schottky" V 6795 3130 50  0000 L CNN
F 2 "Diodes_SMD:D_0805" H 6750 3050 50  0001 C CNN
F 3 "~" H 6750 3050 50  0001 C CNN
	1    6750 3050
	0    1    1    0   
$EndComp
$Comp
L Device:D_Schottky D207
U 1 1 5F54FBDB
P 6750 3500
F 0 "D207" V 6704 3580 50  0000 L CNN
F 1 "D_Schottky" V 6795 3580 50  0000 L CNN
F 2 "Diodes_SMD:D_0805" H 6750 3500 50  0001 C CNN
F 3 "~" H 6750 3500 50  0001 C CNN
	1    6750 3500
	0    1    1    0   
$EndComp
$Comp
L Device:R_US R207
U 1 1 5F416999
P 5550 3550
F 0 "R207" H 5482 3504 50  0000 R CNN
F 1 "10k" H 5482 3595 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 5590 3540 50  0001 C CNN
F 3 "~" H 5550 3550 50  0001 C CNN
	1    5550 3550
	0    -1   -1   0   
$EndComp
$Comp
L Device:R_US R203
U 1 1 5F417011
P 5050 3550
F 0 "R203" H 4982 3504 50  0000 R CNN
F 1 "100" H 4982 3595 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 5090 3540 50  0001 C CNN
F 3 "~" H 5050 3550 50  0001 C CNN
	1    5050 3550
	0    -1   -1   0   
$EndComp
Wire Wire Line
	5300 3350 5300 3550
Wire Wire Line
	5300 3550 5200 3550
Wire Wire Line
	5400 3550 5300 3550
Connection ~ 5300 3550
Wire Wire Line
	6750 3250 6750 3350
Connection ~ 6750 3250
Wire Wire Line
	6300 3250 6750 3250
Wire Wire Line
	6000 3250 5950 3250
Wire Wire Line
	6750 3650 6750 3700
Wire Wire Line
	5700 3550 5950 3550
Wire Wire Line
	5950 3550 5950 3250
Connection ~ 5950 3250
Wire Wire Line
	5950 3250 5900 3250
$Comp
L power:GND #PWR0208
U 1 1 5F46E0E2
P 4850 3600
F 0 "#PWR0208" H 4850 3350 50  0001 C CNN
F 1 "GND" H 4855 3427 50  0000 C CNN
F 2 "" H 4850 3600 50  0001 C CNN
F 3 "" H 4850 3600 50  0001 C CNN
	1    4850 3600
	1    0    0    -1  
$EndComp
Wire Wire Line
	4900 3550 4850 3550
Wire Wire Line
	4850 3550 4850 3600
Text Notes 4650 4900 0    50   ~ 0
This gain is merely a guess. It may be too high or too low.
Text Label 7000 4200 2    50   ~ 0
SWR2_SAFE
Wire Wire Line
	7050 4150 7050 4200
$Comp
L power:+3.3V #PWR0214
U 1 1 5F482DBE
P 7050 3850
F 0 "#PWR0214" H 7050 3700 50  0001 C CNN
F 1 "+3.3V" H 7065 4023 50  0000 C CNN
F 2 "" H 7050 3850 50  0001 C CNN
F 3 "" H 7050 3850 50  0001 C CNN
	1    7050 3850
	1    0    0    -1  
$EndComp
$Comp
L Device:R_US R212
U 1 1 5F482DC8
P 6450 4200
F 0 "R212" H 6382 4154 50  0000 R CNN
F 1 "1k" H 6382 4245 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 6490 4190 50  0001 C CNN
F 3 "~" H 6450 4200 50  0001 C CNN
	1    6450 4200
	0    -1   -1   0   
$EndComp
$Comp
L power:GND #PWR0215
U 1 1 5F482DD2
P 7050 4650
F 0 "#PWR0215" H 7050 4400 50  0001 C CNN
F 1 "GND" H 7055 4477 50  0000 C CNN
F 2 "" H 7050 4650 50  0001 C CNN
F 3 "" H 7050 4650 50  0001 C CNN
	1    7050 4650
	1    0    0    -1  
$EndComp
$Comp
L Device:D_Schottky D208
U 1 1 5F482DDC
P 7050 4000
F 0 "D208" V 7004 4080 50  0000 L CNN
F 1 "D_Schottky" V 7095 4080 50  0000 L CNN
F 2 "Diodes_SMD:D_0805" H 7050 4000 50  0001 C CNN
F 3 "~" H 7050 4000 50  0001 C CNN
	1    7050 4000
	0    1    1    0   
$EndComp
$Comp
L Device:D_Schottky D209
U 1 1 5F482DE6
P 7050 4450
F 0 "D209" V 7004 4530 50  0000 L CNN
F 1 "D_Schottky" V 7095 4530 50  0000 L CNN
F 2 "Diodes_SMD:D_0805" H 7050 4450 50  0001 C CNN
F 3 "~" H 7050 4450 50  0001 C CNN
	1    7050 4450
	0    1    1    0   
$EndComp
$Comp
L Device:R_US R208
U 1 1 5F482DFA
P 5850 4500
F 0 "R208" H 5782 4454 50  0000 R CNN
F 1 "10k" H 5782 4545 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 5890 4490 50  0001 C CNN
F 3 "~" H 5850 4500 50  0001 C CNN
	1    5850 4500
	0    -1   -1   0   
$EndComp
$Comp
L Device:R_US R204
U 1 1 5F482E04
P 5350 4500
F 0 "R204" H 5282 4454 50  0000 R CNN
F 1 "100" H 5282 4545 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 5390 4490 50  0001 C CNN
F 3 "~" H 5350 4500 50  0001 C CNN
	1    5350 4500
	0    -1   -1   0   
$EndComp
Wire Wire Line
	5600 4300 5600 4500
Wire Wire Line
	5600 4500 5500 4500
Wire Wire Line
	5700 4500 5600 4500
Connection ~ 5600 4500
Wire Wire Line
	7050 4200 7050 4300
Connection ~ 7050 4200
Wire Wire Line
	6600 4200 7050 4200
Wire Wire Line
	6300 4200 6250 4200
Wire Wire Line
	7050 4600 7050 4650
Wire Wire Line
	6000 4500 6250 4500
Wire Wire Line
	6250 4500 6250 4200
Connection ~ 6250 4200
Wire Wire Line
	6250 4200 6200 4200
$Comp
L power:GND #PWR0209
U 1 1 5F482E1B
P 5150 4550
F 0 "#PWR0209" H 5150 4300 50  0001 C CNN
F 1 "GND" H 5155 4377 50  0000 C CNN
F 2 "" H 5150 4550 50  0001 C CNN
F 3 "" H 5150 4550 50  0001 C CNN
	1    5150 4550
	1    0    0    -1  
$EndComp
Wire Wire Line
	5200 4500 5150 4500
Wire Wire Line
	5150 4500 5150 4550
$Comp
L power:+12VA #PWR?
U 1 1 5F4E044B
P 7750 2950
AR Path="/5F5D026F/5F4E044B" Ref="#PWR?"  Part="1" 
AR Path="/5ED6119E/5F4E044B" Ref="#PWR0216"  Part="1" 
F 0 "#PWR0216" H 7750 2800 50  0001 C CNN
F 1 "+12VA" H 7765 3123 50  0000 C CNN
F 2 "" H 7750 2950 50  0001 C CNN
F 3 "" H 7750 2950 50  0001 C CNN
	1    7750 2950
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0217
U 1 1 5F4E6ECD
P 7750 3650
F 0 "#PWR0217" H 7750 3400 50  0001 C CNN
F 1 "GND" H 7755 3477 50  0000 C CNN
F 2 "" H 7750 3650 50  0001 C CNN
F 3 "" H 7750 3650 50  0001 C CNN
	1    7750 3650
	1    0    0    -1  
$EndComp
Text HLabel 3300 2100 2    50   Input ~ 0
UART1_RX
Text HLabel 3300 2200 2    50   Output ~ 0
UART1_TX
Text HLabel 5950 1550 2    50   Output ~ 0
AUDIO_I
Wire Wire Line
	5950 1550 5800 1550
Text HLabel 6900 1950 2    50   Output ~ 0
AUDIO_Q
Wire Wire Line
	6900 1950 6750 1950
Text HLabel 8000 4450 0    50   Input ~ 0
USB_MIC
$Comp
L Device:C C203
U 1 1 5F77E44C
P 3600 1550
F 0 "C203" V 3348 1550 50  0000 C CNN
F 1 "1u" V 3439 1550 50  0000 C CNN
F 2 "Capacitors_SMD:C_0805" H 3638 1400 50  0001 C CNN
F 3 "~" H 3600 1550 50  0001 C CNN
	1    3600 1550
	-1   0    0    1   
$EndComp
Connection ~ 3600 1700
Wire Wire Line
	3600 1700 3300 1700
$Comp
L Device:C C204
U 1 1 5F782E2B
P 4000 1550
F 0 "C204" V 3748 1550 50  0000 C CNN
F 1 "100n" V 3839 1550 50  0000 C CNN
F 2 "Capacitors_SMD:C_0805" H 4038 1400 50  0001 C CNN
F 3 "~" H 4000 1550 50  0001 C CNN
	1    4000 1550
	-1   0    0    1   
$EndComp
Connection ~ 4000 1700
Wire Wire Line
	4000 1700 3600 1700
Wire Wire Line
	3400 1400 3600 1400
Connection ~ 3400 1400
Wire Wire Line
	3400 1400 3400 1600
Connection ~ 3600 1400
Wire Wire Line
	3600 1400 4000 1400
$Comp
L Device:C C202
U 1 1 5F79EE34
P 1700 3450
F 0 "C202" V 1448 3450 50  0000 C CNN
F 1 "1u" V 1539 3450 50  0000 C CNN
F 2 "Capacitors_SMD:C_0805" H 1738 3300 50  0001 C CNN
F 3 "~" H 1700 3450 50  0001 C CNN
	1    1700 3450
	-1   0    0    1   
$EndComp
Wire Wire Line
	1700 3300 1300 3300
$Comp
L Device:C C201
U 1 1 5F79FA03
P 1300 3450
F 0 "C201" V 1048 3450 50  0000 C CNN
F 1 "100n" V 1139 3450 50  0000 C CNN
F 2 "Capacitors_SMD:C_0805" H 1338 3300 50  0001 C CNN
F 3 "~" H 1300 3450 50  0001 C CNN
	1    1300 3450
	-1   0    0    1   
$EndComp
Connection ~ 1300 3300
Wire Wire Line
	1300 3300 1200 3300
Connection ~ 1700 3300
Wire Wire Line
	1300 3600 1700 3600
Connection ~ 2000 3600
Wire Wire Line
	2000 3600 2000 3700
Connection ~ 1700 3600
Wire Wire Line
	1700 3600 2000 3600
$Comp
L Connector:TestPoint TP201
U 1 1 5F7B51D5
P 8850 5050
F 0 "TP201" V 8804 5238 50  0000 L CNN
F 1 "TestPoint" V 8895 5238 50  0000 L CNN
F 2 "Measurement_Points:Measurement_Point_Round-SMD-Pad_Small" H 9050 5050 50  0001 C CNN
F 3 "~" H 9050 5050 50  0001 C CNN
	1    8850 5050
	0    1    1    0   
$EndComp
Connection ~ 8850 5050
Wire Wire Line
	8850 5050 8850 5200
$Comp
L Connector:TestPoint TP202
U 1 1 5F7B5C2C
P 9650 5100
F 0 "TP202" V 9604 5288 50  0000 L CNN
F 1 "TestPoint" V 9695 5288 50  0000 L CNN
F 2 "Measurement_Points:Measurement_Point_Round-SMD-Pad_Small" H 9850 5100 50  0001 C CNN
F 3 "~" H 9850 5100 50  0001 C CNN
	1    9650 5100
	0    1    1    0   
$EndComp
Connection ~ 9650 5100
Wire Wire Line
	9650 5100 9650 5200
Wire Wire Line
	6750 1500 6750 1950
Wire Wire Line
	5800 1550 5800 2100
$Comp
L Device:R_US R202
U 1 1 5F81EBE3
P 1900 5200
AR Path="/5ED6119E/5F81EBE3" Ref="R202"  Part="1" 
AR Path="/5F81EBE3" Ref="R?"  Part="1" 
F 0 "R202" H 1968 5246 50  0000 L CNN
F 1 "10k" H 1968 5155 50  0000 L CNN
F 2 "Resistors_SMD:R_0805" V 1940 5190 50  0001 C CNN
F 3 "~" H 1900 5200 50  0001 C CNN
	1    1900 5200
	1    0    0    -1  
$EndComp
$Comp
L Device:R_US R201
U 1 1 5F81EBE9
P 1900 4800
AR Path="/5ED6119E/5F81EBE9" Ref="R201"  Part="1" 
AR Path="/5F81EBE9" Ref="R?"  Part="1" 
F 0 "R201" H 1968 4846 50  0000 L CNN
F 1 "150k" H 1968 4755 50  0000 L CNN
F 2 "Resistors_SMD:R_0805" V 1940 4790 50  0001 C CNN
F 3 "~" H 1900 4800 50  0001 C CNN
	1    1900 4800
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0204
U 1 1 5F81EBEF
P 1900 5450
AR Path="/5ED6119E/5F81EBEF" Ref="#PWR0204"  Part="1" 
AR Path="/5F81EBEF" Ref="#PWR?"  Part="1" 
F 0 "#PWR0204" H 1900 5200 50  0001 C CNN
F 1 "GND" H 1905 5277 50  0000 C CNN
F 2 "" H 1900 5450 50  0001 C CNN
F 3 "" H 1900 5450 50  0001 C CNN
	1    1900 5450
	1    0    0    -1  
$EndComp
Wire Wire Line
	1900 4950 1900 5000
Connection ~ 1900 5000
Wire Wire Line
	1900 5000 1900 5050
Text Label 2350 5000 0    50   ~ 0
VBAT
$Comp
L power:+12V #PWR0203
U 1 1 5F81EBF9
P 1900 4650
AR Path="/5ED6119E/5F81EBF9" Ref="#PWR0203"  Part="1" 
AR Path="/5F81EBF9" Ref="#PWR?"  Part="1" 
F 0 "#PWR0203" H 1900 4500 50  0001 C CNN
F 1 "+12V" H 1915 4823 50  0000 C CNN
F 2 "" H 1900 4650 50  0001 C CNN
F 3 "" H 1900 4650 50  0001 C CNN
	1    1900 4650
	1    0    0    -1  
$EndComp
$Comp
L Device:D_Schottky D201
U 1 1 5F81EBFF
P 2250 4800
AR Path="/5ED6119E/5F81EBFF" Ref="D201"  Part="1" 
AR Path="/5F81EBFF" Ref="D?"  Part="1" 
F 0 "D201" V 2204 4880 50  0000 L CNN
F 1 "D_Schottky" V 2295 4880 50  0000 L CNN
F 2 "Diodes_SMD:D_0805" H 2250 4800 50  0001 C CNN
F 3 "~" H 2250 4800 50  0001 C CNN
	1    2250 4800
	0    1    1    0   
$EndComp
$Comp
L power:+3.3V #PWR0205
U 1 1 5F81EC05
P 2250 4650
AR Path="/5ED6119E/5F81EC05" Ref="#PWR0205"  Part="1" 
AR Path="/5F81EC05" Ref="#PWR?"  Part="1" 
F 0 "#PWR0205" H 2250 4500 50  0001 C CNN
F 1 "+3.3V" H 2265 4823 50  0000 C CNN
F 2 "" H 2250 4650 50  0001 C CNN
F 3 "" H 2250 4650 50  0001 C CNN
	1    2250 4650
	1    0    0    -1  
$EndComp
Wire Wire Line
	2250 4950 2250 5000
Wire Wire Line
	1900 5000 2250 5000
Wire Wire Line
	2250 5000 2350 5000
Connection ~ 2250 5000
$Comp
L Amplifier_Operational:LM4562 U202
U 2 1 5F83693B
P 5900 4200
AR Path="/5ED6119E/5F83693B" Ref="U202"  Part="2" 
AR Path="/5F5D026F/5F83693B" Ref="U?"  Part="2" 
F 0 "U202" H 5900 4567 50  0000 C CNN
F 1 "LM4562" H 5900 4476 50  0000 C CNN
F 2 "Housings_SOIC:SO-8_5.3x6.2mm_Pitch1.27mm" H 5900 4200 50  0001 C CNN
F 3 "https://www.ti.com/lit/ds/snas326k/snas326k.pdf" H 5900 4200 50  0001 C CNN
	2    5900 4200
	1    0    0    -1  
$EndComp
$Comp
L Amplifier_Operational:LM4562 U202
U 1 1 5F840C97
P 5600 3250
AR Path="/5ED6119E/5F840C97" Ref="U202"  Part="1" 
AR Path="/5F5D026F/5F840C97" Ref="U?"  Part="2" 
F 0 "U202" H 5600 3617 50  0000 C CNN
F 1 "LM4562" H 5600 3526 50  0000 C CNN
F 2 "Housings_SOIC:SO-8_5.3x6.2mm_Pitch1.27mm" H 5600 3250 50  0001 C CNN
F 3 "https://www.ti.com/lit/ds/snas326k/snas326k.pdf" H 5600 3250 50  0001 C CNN
	1    5600 3250
	1    0    0    -1  
$EndComp
$Comp
L Amplifier_Operational:LM4562 U202
U 3 1 5F8421FA
P 7850 3300
AR Path="/5ED6119E/5F8421FA" Ref="U202"  Part="3" 
AR Path="/5F5D026F/5F8421FA" Ref="U?"  Part="2" 
F 0 "U202" H 7950 3400 50  0000 C CNN
F 1 "LM4562" H 7950 3300 50  0000 C CNN
F 2 "Housings_SOIC:SO-8_5.3x6.2mm_Pitch1.27mm" H 7850 3300 50  0001 C CNN
F 3 "https://www.ti.com/lit/ds/snas326k/snas326k.pdf" H 7850 3300 50  0001 C CNN
	3    7850 3300
	1    0    0    -1  
$EndComp
$Comp
L Device:C C215
U 1 1 5F84DACD
P 7550 3300
F 0 "C215" V 7298 3300 50  0000 C CNN
F 1 "1u" V 7389 3300 50  0000 C CNN
F 2 "Capacitors_SMD:C_0805" H 7588 3150 50  0001 C CNN
F 3 "~" H 7550 3300 50  0001 C CNN
	1    7550 3300
	1    0    0    -1  
$EndComp
Wire Wire Line
	7550 3150 7550 3000
Wire Wire Line
	7550 3000 7750 3000
Wire Wire Line
	7750 2950 7750 3000
Connection ~ 7750 3000
Wire Wire Line
	7550 3450 7550 3600
Wire Wire Line
	7550 3600 7750 3600
Wire Wire Line
	7750 3600 7750 3650
Connection ~ 7750 3600
$Comp
L Device:C C214
U 1 1 5F879BB3
P 2250 5200
F 0 "C214" V 1998 5200 50  0000 C CNN
F 1 "1u" V 2089 5200 50  0000 C CNN
F 2 "Capacitors_SMD:C_0805" H 2288 5050 50  0001 C CNN
F 3 "~" H 2250 5200 50  0001 C CNN
	1    2250 5200
	-1   0    0    1   
$EndComp
Wire Wire Line
	2250 5050 2250 5000
Wire Wire Line
	1900 5350 2250 5350
Wire Wire Line
	1900 5350 1900 5450
Connection ~ 1900 5350
$Comp
L Device:LED D211
U 1 1 5F88EE79
P 3900 3650
F 0 "D211" V 3939 3532 50  0000 R CNN
F 1 "LED" V 3848 3532 50  0000 R CNN
F 2 "LEDs:LED_0805" H 3900 3650 50  0001 C CNN
F 3 "~" H 3900 3650 50  0001 C CNN
	1    3900 3650
	0    -1   -1   0   
$EndComp
$Comp
L Device:LED D210
U 1 1 5F88FDD1
P 3400 3650
F 0 "D210" V 3439 3532 50  0000 R CNN
F 1 "LED" V 3348 3532 50  0000 R CNN
F 2 "LEDs:LED_0805" H 3400 3650 50  0001 C CNN
F 3 "~" H 3400 3650 50  0001 C CNN
	1    3400 3650
	0    -1   -1   0   
$EndComp
Wire Wire Line
	3300 3500 3400 3500
$Comp
L Device:R_US R224
U 1 1 5F8A5A27
P 3400 3950
AR Path="/5ED6119E/5F8A5A27" Ref="R224"  Part="1" 
AR Path="/5F8A5A27" Ref="R?"  Part="1" 
F 0 "R224" H 3468 3996 50  0000 L CNN
F 1 "1k" H 3468 3905 50  0000 L CNN
F 2 "Resistors_SMD:R_0805" V 3440 3940 50  0001 C CNN
F 3 "~" H 3400 3950 50  0001 C CNN
	1    3400 3950
	1    0    0    -1  
$EndComp
$Comp
L Device:R_US R225
U 1 1 5F8A5E82
P 3900 3950
AR Path="/5ED6119E/5F8A5E82" Ref="R225"  Part="1" 
AR Path="/5F8A5E82" Ref="R?"  Part="1" 
F 0 "R225" H 3968 3996 50  0000 L CNN
F 1 "1k" H 3968 3905 50  0000 L CNN
F 2 "Resistors_SMD:R_0805" V 3940 3940 50  0001 C CNN
F 3 "~" H 3900 3950 50  0001 C CNN
	1    3900 3950
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0114
U 1 1 5F8A6F50
P 3600 4100
F 0 "#PWR0114" H 3600 3850 50  0001 C CNN
F 1 "GND" H 3605 3927 50  0000 C CNN
F 2 "" H 3600 4100 50  0001 C CNN
F 3 "" H 3600 4100 50  0001 C CNN
	1    3600 4100
	1    0    0    -1  
$EndComp
Wire Wire Line
	3400 4100 3600 4100
Connection ~ 3600 4100
Wire Wire Line
	3600 4100 3900 4100
Wire Wire Line
	3900 3400 3900 3500
Wire Wire Line
	3300 3400 3900 3400
Text Label 3400 3500 0    50   ~ 0
RED_LED
Text Label 3700 3400 0    50   ~ 0
GREEN_LED
$Comp
L Device:C C217
U 1 1 5F8DDED2
P 1650 1600
F 0 "C217" V 1398 1600 50  0000 C CNN
F 1 "10p" V 1489 1600 50  0000 C CNN
F 2 "Capacitors_SMD:C_0805" H 1688 1450 50  0001 C CNN
F 3 "~" H 1650 1600 50  0001 C CNN
	1    1650 1600
	1    0    0    -1  
$EndComp
$Comp
L Device:Crystal Y201
U 1 1 5F8DF688
P 1450 1400
F 0 "Y201" H 1450 1132 50  0000 C CNN
F 1 "32kHz" H 1450 1223 50  0000 C CNN
F 2 "Crystals:Crystal_DS10_d1.0mm_l4.3mm_Vertical" H 1450 1400 50  0001 C CNN
F 3 "~" H 1450 1400 50  0001 C CNN
	1    1450 1400
	-1   0    0    1   
$EndComp
$Comp
L Device:C C216
U 1 1 5F8EE281
P 1250 1600
F 0 "C216" V 998 1600 50  0000 C CNN
F 1 "10p" V 1089 1600 50  0000 C CNN
F 2 "Capacitors_SMD:C_0805" H 1288 1450 50  0001 C CNN
F 3 "~" H 1250 1600 50  0001 C CNN
	1    1250 1600
	1    0    0    -1  
$EndComp
Wire Wire Line
	2050 1600 2150 1600
Wire Wire Line
	1250 1450 1250 1400
Wire Wire Line
	1250 1400 1300 1400
Wire Wire Line
	1600 1400 1650 1400
Wire Wire Line
	1650 1400 1650 1450
$Comp
L power:GND #PWR0115
U 1 1 5F90FBAB
P 1450 1750
F 0 "#PWR0115" H 1450 1500 50  0001 C CNN
F 1 "GND" H 1455 1577 50  0000 C CNN
F 2 "" H 1450 1750 50  0001 C CNN
F 3 "" H 1450 1750 50  0001 C CNN
	1    1450 1750
	1    0    0    -1  
$EndComp
Wire Wire Line
	1250 1750 1450 1750
Connection ~ 1450 1750
Wire Wire Line
	1450 1750 1650 1750
Wire Wire Line
	2050 1900 1800 1900
Wire Wire Line
	1800 1900 1800 1400
Wire Wire Line
	1800 1400 1650 1400
Connection ~ 1650 1400
Wire Wire Line
	2050 1800 1900 1800
Wire Wire Line
	1900 1800 1900 1000
Wire Wire Line
	1900 1000 1250 1000
Wire Wire Line
	1250 1000 1250 1400
Connection ~ 1250 1400
Text Label 2050 2400 2    50   ~ 0
Therm
$Comp
L Device:R_US R226
U 1 1 5F9590D5
P 3800 5250
AR Path="/5ED6119E/5F9590D5" Ref="R226"  Part="1" 
AR Path="/5F9590D5" Ref="R?"  Part="1" 
F 0 "R226" H 3868 5296 50  0000 L CNN
F 1 "10k" H 3868 5205 50  0000 L CNN
F 2 "Resistors_SMD:R_0805" V 3840 5240 50  0001 C CNN
F 3 "~" H 3800 5250 50  0001 C CNN
	1    3800 5250
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0117
U 1 1 5F9594C0
P 3650 5450
AR Path="/5ED6119E/5F9594C0" Ref="#PWR0117"  Part="1" 
AR Path="/5F9594C0" Ref="#PWR?"  Part="1" 
F 0 "#PWR0117" H 3650 5200 50  0001 C CNN
F 1 "GND" H 3655 5277 50  0000 C CNN
F 2 "" H 3650 5450 50  0001 C CNN
F 3 "" H 3650 5450 50  0001 C CNN
	1    3650 5450
	1    0    0    -1  
$EndComp
Text HLabel 3850 5050 2    50   Input ~ 0
Therm
Wire Wire Line
	3850 5050 3800 5050
Wire Wire Line
	3800 5100 3800 5050
Connection ~ 3800 5050
$Comp
L Device:C C218
U 1 1 5F980065
P 3450 5200
F 0 "C218" V 3198 5200 50  0000 C CNN
F 1 "10n" V 3289 5200 50  0000 C CNN
F 2 "Capacitors_SMD:C_0805" H 3488 5050 50  0001 C CNN
F 3 "~" H 3450 5200 50  0001 C CNN
	1    3450 5200
	-1   0    0    1   
$EndComp
Wire Wire Line
	3450 5050 3800 5050
Wire Wire Line
	3450 5350 3450 5450
Wire Wire Line
	3450 5450 3650 5450
Wire Wire Line
	3800 5450 3800 5400
Connection ~ 3650 5450
Wire Wire Line
	3650 5450 3800 5450
Text Notes 3350 4950 0    50   ~ 0
Thermistor\nTemperature\nMeasurement
NoConn ~ 2050 1600
NoConn ~ 2050 1700
NoConn ~ 2050 2000
NoConn ~ 3300 1800
NoConn ~ 2050 3500
NoConn ~ 3300 2700
$EndSCHEMATC