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STM32_DVM_C3ROC.sch-bak
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EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A3 16535 11693
encoding utf-8
Sheet 1 1
Title "Raspberry Pi HAT"
Date ""
Rev "A"
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L Mechanical:MountingHole H1
U 1 1 5834BC4A
P 1350 750
F 0 "H1" H 1200 850 60 0000 C CNN
F 1 "3mm" H 1350 600 60 0000 C CNN
F 2 "project_footprints:NPTH_3mm_ID" H 1250 750 60 0001 C CNN
F 3 "" H 1250 750 60 0001 C CNN
1 1350 750
1 0 0 -1
$EndComp
$Comp
L Mechanical:MountingHole H2
U 1 1 5834BCDF
P 1650 750
F 0 "H2" H 1500 850 60 0000 C CNN
F 1 "3mm" H 1650 600 60 0000 C CNN
F 2 "project_footprints:NPTH_3mm_ID" H 1550 750 60 0001 C CNN
F 3 "" H 1550 750 60 0001 C CNN
1 1650 750
1 0 0 -1
$EndComp
$Comp
L Mechanical:MountingHole H3
U 1 1 5834BD62
P 1950 750
F 0 "H3" H 1800 850 60 0000 C CNN
F 1 "3mm" H 1950 600 60 0000 C CNN
F 2 "project_footprints:NPTH_3mm_ID" H 1850 750 60 0001 C CNN
F 3 "" H 1850 750 60 0001 C CNN
1 1950 750
1 0 0 -1
$EndComp
$Comp
L Mechanical:MountingHole H4
U 1 1 5834BDED
P 2250 750
F 0 "H4" H 2100 850 60 0000 C CNN
F 1 "3mm" H 2250 600 60 0000 C CNN
F 2 "project_footprints:NPTH_3mm_ID" H 2150 750 60 0001 C CNN
F 3 "" H 2150 750 60 0001 C CNN
1 2250 750
1 0 0 -1
$EndComp
$Comp
L raspberrypi_hat:OX40HAT J1
U 1 1 58DFC771
P 2400 1500
F 0 "J1" H 2750 1600 50 0000 C CNN
F 1 "40HAT" H 2100 1600 50 0000 C CNN
F 2 "Connector_PinSocket_2.54mm:PinSocket_2x20_P2.54mm_Vertical" H 2400 1700 50 0001 C CNN
F 3 "" H 1700 1500 50 0000 C CNN
1 2400 1500
1 0 0 -1
$EndComp
$Comp
L MCU_ST_STM32F4:STM32F446RETx U1
U 1 1 5FB536B1
P 2050 8600
F 0 "U1" H 3450 10200 50 0000 C CNN
F 1 "STM32F446RETx" H 3200 10050 50 0000 C CNN
F 2 "Package_QFP:LQFP-64_10x10mm_P0.5mm" H 1450 6900 50 0001 R CNN
F 3 "http://www.st.com/st-web-ui/static/active/en/resource/technical/document/datasheet/DM00141306.pdf" H 2050 8600 50 0001 C CNN
1 2050 8600
-1 0 0 -1
$EndComp
$Comp
L Amplifier_Operational:MCP6002-xSN IC3
U 1 1 5FB54F7D
P 7400 7750
F 0 "IC3" H 7400 8117 50 0000 C CNN
F 1 "MCP6002" H 7400 8026 50 0000 C CNN
F 2 "Package_SO:SO-8_3.9x4.9mm_P1.27mm" H 7400 7750 50 0001 C CNN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/21733j.pdf" H 7400 7750 50 0001 C CNN
1 7400 7750
1 0 0 -1
$EndComp
$Comp
L Amplifier_Operational:MCP6002-xSN IC4
U 1 1 5FB584D7
P 11450 8050
F 0 "IC4" H 11450 8300 50 0000 C CNN
F 1 "MCP6002" H 11600 8400 50 0000 C CNN
F 2 "Package_SO:SO-8_3.9x4.9mm_P1.27mm" H 11450 8050 50 0001 C CNN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/21733j.pdf" H 11450 8050 50 0001 C CNN
1 11450 8050
1 0 0 1
$EndComp
$Comp
L Amplifier_Operational:MCP6002-xSN IC3
U 2 1 5FB59DD8
P 9450 7650
F 0 "IC3" H 9500 7850 50 0000 C CNN
F 1 "MCP6002" H 9700 7950 50 0000 C CNN
F 2 "Package_SO:SO-8_3.9x4.9mm_P1.27mm" H 9450 7650 50 0001 C CNN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/21733j.pdf" H 9450 7650 50 0001 C CNN
2 9450 7650
1 0 0 1
$EndComp
$Comp
L Amplifier_Operational:MCP6002-xSN IC4
U 2 1 5FB5B6AE
P 11450 7450
F 0 "IC4" H 11450 7700 50 0000 C CNN
F 1 "MCP6002" H 11600 7800 50 0000 C CNN
F 2 "Package_SO:SO-8_3.9x4.9mm_P1.27mm" H 11450 7450 50 0001 C CNN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/21733j.pdf" H 11450 7450 50 0001 C CNN
2 11450 7450
1 0 0 1
$EndComp
$Comp
L Amplifier_Operational:MCP6002-xSN IC3
U 3 1 5FB5F056
P 3950 10600
F 0 "IC3" V 3700 10650 50 0000 L CNN
F 1 "MCP6002" V 3950 10400 50 0000 L CNN
F 2 "Package_SO:SO-8_3.9x4.9mm_P1.27mm" H 3950 10600 50 0001 C CNN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/21733j.pdf" H 3950 10600 50 0001 C CNN
3 3950 10600
1 0 0 -1
$EndComp
$Comp
L Amplifier_Operational:MCP6002-xSN IC4
U 3 1 5FB60B8A
P 5250 10600
F 0 "IC4" V 5000 10650 50 0000 L CNN
F 1 "MCP6002" V 5250 10400 50 0000 L CNN
F 2 "Package_SO:SO-8_3.9x4.9mm_P1.27mm" H 5250 10600 50 0001 C CNN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/21733j.pdf" H 5250 10600 50 0001 C CNN
3 5250 10600
1 0 0 -1
$EndComp
$Comp
L Amplifier_Operational:MCP6002-xSN IC2
U 3 1 5FB62C30
P 4600 10600
F 0 "IC2" V 4350 10650 50 0000 L CNN
F 1 "MCP6002" V 4600 10400 50 0000 L CNN
F 2 "Package_SO:SO-8_3.9x4.9mm_P1.27mm" H 4600 10600 50 0001 C CNN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/21733j.pdf" H 4600 10600 50 0001 C CNN
3 4600 10600
1 0 0 -1
$EndComp
$Comp
L Connector:DB9_Female_MountingHoles X2
U 1 1 5FB657A3
P 8250 5150
F 0 "X2" H 8430 5152 50 0000 L CNN
F 1 "To Radio" H 8430 5061 50 0000 L CNN
F 2 "Connector_Dsub:DSUB-9_Female_Horizontal_P2.77x2.84mm_EdgePinOffset4.94mm_Housed_MountingHolesOffset7.48mm" H 8250 5150 50 0001 C CNN
F 3 " ~" H 8250 5150 50 0001 C CNN
1 8250 5150
1 0 0 -1
$EndComp
Text GLabel 1200 7500 0 50 Output ~ 0
TXA
Text GLabel 1200 8000 0 50 Output ~ 0
TXD_HOST
Text GLabel 1200 8100 0 50 Input ~ 0
RXD_HOST
Text GLabel 1200 8200 0 50 BiDi ~ 0
USB_D-
Text GLabel 1200 8300 0 50 BiDi ~ 0
USB_D+
Text GLabel 1200 8400 0 50 BiDi ~ 0
SWDIO
Text GLabel 1200 8800 0 50 Input ~ 0
RXA
Text GLabel 1200 8600 0 50 Input ~ 0
EXT_CLK
Text GLabel 1200 8500 0 50 Input ~ 0
SWCLK
Text GLabel 1200 8900 0 50 Input ~ 0
RSSI
Text GLabel 1200 9000 0 50 Input ~ 0
BOOT1
Text GLabel 1200 9100 0 50 Output ~ 0
LED_HB
Text GLabel 1200 9200 0 50 Output ~ 0
LED_COS
Text GLabel 1200 9300 0 50 Output ~ 0
LED_DMR
Text GLabel 1200 9400 0 50 Output ~ 0
LED_DSTAR
Text GLabel 1200 9500 0 50 Output ~ 0
LED_YSF
Text GLabel 1200 9600 0 50 Output ~ 0
LED_P25
Text GLabel 1200 9700 0 50 Output ~ 0
LED_NXDN
Text GLabel 1200 9900 0 50 Output ~ 0
PTT
Text GLabel 1200 10000 0 50 Output ~ 0
INHIBIT
Text GLabel 1200 10100 0 50 Output ~ 0
LED_FM
Wire Wire Line
1350 8000 1200 8000
Wire Wire Line
1350 8100 1200 8100
Wire Wire Line
1350 8200 1200 8200
Wire Wire Line
1200 8300 1350 8300
Wire Wire Line
1350 8400 1200 8400
Wire Wire Line
1350 8500 1200 8500
Wire Wire Line
1350 8600 1200 8600
Wire Wire Line
1350 8800 1200 8800
Wire Wire Line
1350 8900 1200 8900
Wire Wire Line
1350 9000 1200 9000
Wire Wire Line
1350 9100 1200 9100
Wire Wire Line
1350 9200 1200 9200
Wire Wire Line
1350 9300 1200 9300
Wire Wire Line
1350 9400 1200 9400
Wire Wire Line
1350 9500 1200 9500
Wire Wire Line
1350 9600 1200 9600
Wire Wire Line
1350 9700 1200 9700
Wire Wire Line
1350 9900 1200 9900
Wire Wire Line
1350 10000 1200 10000
Wire Wire Line
1350 10100 1200 10100
$Comp
L power:+5V #PWR0101
U 1 1 5FBDBB83
P 3150 1400
F 0 "#PWR0101" H 3150 1250 50 0001 C CNN
F 1 "+5V" H 3165 1573 50 0000 C CNN
F 2 "" H 3150 1400 50 0001 C CNN
F 3 "" H 3150 1400 50 0001 C CNN
1 3150 1400
1 0 0 -1
$EndComp
$Comp
L power:+BATT #PWR0102
U 1 1 5FBDC243
P 9450 4950
F 0 "#PWR0102" H 9450 4800 50 0001 C CNN
F 1 "+BATT" H 9465 5123 50 0000 C CNN
F 2 "" H 9450 4950 50 0001 C CNN
F 3 "" H 9450 4950 50 0001 C CNN
1 9450 4950
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0103
U 1 1 5FBDC9EB
P 8250 5750
F 0 "#PWR0103" H 8250 5500 50 0001 C CNN
F 1 "GND" H 8255 5577 50 0000 C CNN
F 2 "" H 8250 5750 50 0001 C CNN
F 3 "" H 8250 5750 50 0001 C CNN
1 8250 5750
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0104
U 1 1 5FBED398
P 2050 10550
F 0 "#PWR0104" H 2050 10300 50 0001 C CNN
F 1 "GND" H 2055 10377 50 0000 C CNN
F 2 "" H 2050 10550 50 0001 C CNN
F 3 "" H 2050 10550 50 0001 C CNN
1 2050 10550
1 0 0 -1
$EndComp
Wire Wire Line
2250 10400 2250 10500
Wire Wire Line
2250 10500 2150 10500
Wire Wire Line
2050 10500 2050 10550
Wire Wire Line
1850 10500 1950 10500
Connection ~ 2050 10500
Wire Wire Line
1850 10400 1850 10500
Wire Wire Line
1950 10400 1950 10500
Connection ~ 1950 10500
Wire Wire Line
1950 10500 2050 10500
Wire Wire Line
2050 10400 2050 10500
Wire Wire Line
2150 10400 2150 10500
Connection ~ 2150 10500
Wire Wire Line
2150 10500 2050 10500
Text GLabel 1650 1600 0 50 BiDi ~ 0
SDA
Text GLabel 1650 1700 0 50 Output ~ 0
SCL
Text GLabel 3150 1800 2 50 Input ~ 0
RXD_HOST
Text GLabel 3150 1900 2 50 Output ~ 0
TXD_HOST
$Comp
L power:GND #PWR0105
U 1 1 5FC2961C
P 3150 3100
F 0 "#PWR0105" H 3150 2850 50 0001 C CNN
F 1 "GND" V 3150 2900 50 0000 C CNN
F 2 "" H 3150 3100 50 0000 C CNN
F 3 "" H 3150 3100 50 0000 C CNN
1 3150 3100
0 -1 -1 0
$EndComp
$Comp
L power:GND #PWR0106
U 1 1 5FC2A232
P 3150 2900
F 0 "#PWR0106" H 3150 2650 50 0001 C CNN
F 1 "GND" V 3150 2700 50 0000 C CNN
F 2 "" H 3150 2900 50 0000 C CNN
F 3 "" H 3150 2900 50 0000 C CNN
1 3150 2900
0 -1 -1 0
$EndComp
$Comp
L power:GND #PWR0107
U 1 1 5FC2AE3A
P 3150 2100
F 0 "#PWR0107" H 3150 1850 50 0001 C CNN
F 1 "GND" V 3150 1900 50 0000 C CNN
F 2 "" H 3150 2100 50 0000 C CNN
F 3 "" H 3150 2100 50 0000 C CNN
1 3150 2100
0 -1 -1 0
$EndComp
$Comp
L power:GND #PWR0108
U 1 1 5FC2BA8E
P 3150 1700
F 0 "#PWR0108" H 3150 1450 50 0001 C CNN
F 1 "GND" V 3150 1500 50 0000 C CNN
F 2 "" H 3150 1700 50 0000 C CNN
F 3 "" H 3150 1700 50 0000 C CNN
1 3150 1700
0 -1 -1 0
$EndComp
$Comp
L power:GND #PWR0109
U 1 1 5FC2C8F8
P 3150 2400
F 0 "#PWR0109" H 3150 2150 50 0001 C CNN
F 1 "GND" V 3150 2200 50 0000 C CNN
F 2 "" H 3150 2400 50 0000 C CNN
F 3 "" H 3150 2400 50 0000 C CNN
1 3150 2400
0 -1 -1 0
$EndComp
Wire Wire Line
3150 1700 3000 1700
Wire Wire Line
3150 2100 3000 2100
Wire Wire Line
3150 2400 3000 2400
Wire Wire Line
3150 2900 3000 2900
Wire Wire Line
3150 3100 3000 3100
$Comp
L power:GND #PWR0110
U 1 1 5FC3432A
P 1650 3400
F 0 "#PWR0110" H 1650 3150 50 0001 C CNN
F 1 "GND" V 1650 3200 50 0000 C CNN
F 2 "" H 1650 3400 50 0000 C CNN
F 3 "" H 1650 3400 50 0000 C CNN
1 1650 3400
0 1 1 0
$EndComp
$Comp
L power:GND #PWR0111
U 1 1 5FC354F1
P 1650 2700
F 0 "#PWR0111" H 1650 2450 50 0001 C CNN
F 1 "GND" V 1650 2500 50 0000 C CNN
F 2 "" H 1650 2700 50 0000 C CNN
F 3 "" H 1650 2700 50 0000 C CNN
1 1650 2700
0 1 1 0
$EndComp
$Comp
L power:GND #PWR0112
U 1 1 5FC36586
P 1650 1900
F 0 "#PWR0112" H 1650 1650 50 0001 C CNN
F 1 "GND" V 1650 1700 50 0000 C CNN
F 2 "" H 1650 1900 50 0000 C CNN
F 3 "" H 1650 1900 50 0000 C CNN
1 1650 1900
0 1 1 0
$EndComp
Wire Wire Line
1650 1600 1800 1600
Wire Wire Line
1650 1700 1800 1700
Wire Wire Line
1650 1900 1800 1900
Wire Wire Line
3000 1800 3150 1800
Wire Wire Line
3000 1900 3150 1900
Wire Wire Line
1650 2700 1800 2700
Wire Wire Line
1650 3400 1800 3400
$Comp
L Device:R R38
U 1 1 5FC9C689
P 13900 8900
F 0 "R38" V 13950 9100 50 0000 C CNN
F 1 "47k" V 13850 9100 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 13830 8900 50 0001 C CNN
F 3 "" H 13900 8900 50 0001 C CNN
1 13900 8900
0 -1 -1 0
$EndComp
$Comp
L Device:R R3
U 1 1 5FC9DD9D
P 3900 6750
F 0 "R3" H 4050 6800 50 0000 C CNN
F 1 "10k" H 4100 6700 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 3830 6750 50 0001 C CNN
F 3 "" H 3900 6750 50 0001 C CNN
1 3900 6750
1 0 0 -1
$EndComp
$Comp
L Device:R_POT_TRIM R51
U 1 1 5FCA2788
P 14750 9250
F 0 "R51" H 14681 9204 50 0000 R CNN
F 1 "100k" H 14681 9295 50 0000 R CNN
F 2 "Potentiometer_THT:Potentiometer_Bourns_3296W_Vertical" H 14750 9250 50 0001 C CNN
F 3 "~" H 14750 9250 50 0001 C CNN
1 14750 9250
1 0 0 1
$EndComp
$Comp
L Device:C C41
U 1 1 5FCA3988
P 13700 1500
F 0 "C41" H 13815 1546 50 0000 L CNN
F 1 "1u" H 13815 1455 50 0000 L CNN
F 2 "Capacitor_SMD:C_1206_3216Metric" H 13738 1350 50 0001 C CNN
F 3 "~" H 13700 1500 50 0001 C CNN
1 13700 1500
1 0 0 -1
$EndComp
$Comp
L Device:R_POT_TRIM R23
U 1 1 5FCAB110
P 7750 8050
F 0 "R23" H 7680 8096 50 0000 R CNN
F 1 "100k" H 7680 8005 50 0000 R CNN
F 2 "Potentiometer_THT:Potentiometer_Bourns_3296W_Vertical" H 7750 8050 50 0001 C CNN
F 3 "~" H 7750 8050 50 0001 C CNN
1 7750 8050
-1 0 0 -1
$EndComp
$Comp
L Device:R R19
U 1 1 5FCB5243
P 7750 8350
F 0 "R19" H 7900 8400 50 0000 C CNN
F 1 "10k" H 7900 8300 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 7680 8350 50 0001 C CNN
F 3 "" H 7750 8350 50 0001 C CNN
1 7750 8350
1 0 0 -1
$EndComp
$Comp
L Device:C C21
U 1 1 5FCB9706
P 7750 8650
F 0 "C21" H 7900 8700 50 0000 L CNN
F 1 "47u" H 7900 8600 50 0000 L CNN
F 2 "Capacitor_SMD:C_1210_3225Metric" H 7788 8500 50 0001 C CNN
F 3 "~" H 7750 8650 50 0001 C CNN
1 7750 8650
1 0 0 -1
$EndComp
$Comp
L Device:R R25
U 1 1 5FCC1260
P 8100 7750
F 0 "R25" V 8180 7750 50 0000 C CNN
F 1 "3k3" V 8000 7750 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 8030 7750 50 0001 C CNN
F 3 "" H 8100 7750 50 0001 C CNN
1 8100 7750
0 -1 -1 0
$EndComp
$Comp
L Device:R R27
U 1 1 5FCD03DB
P 8500 7750
F 0 "R27" V 8580 7750 50 0000 C CNN
F 1 "39k" V 8400 7750 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 8430 7750 50 0001 C CNN
F 3 "" H 8500 7750 50 0001 C CNN
1 8500 7750
0 -1 -1 0
$EndComp
$Comp
L Device:C C26
U 1 1 5FCD446A
P 8300 8000
F 0 "C26" H 8415 8046 50 0000 L CNN
F 1 "10n" H 8415 7955 50 0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 8338 7850 50 0001 C CNN
F 3 "~" H 8300 8000 50 0001 C CNN
1 8300 8000
1 0 0 -1
$EndComp
$Comp
L Device:R R28
U 1 1 5FCDE78E
P 8900 7750
F 0 "R28" V 8980 7750 50 0000 C CNN
F 1 "3k9" V 8800 7750 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 8830 7750 50 0001 C CNN
F 3 "" H 8900 7750 50 0001 C CNN
1 8900 7750
0 -1 -1 0
$EndComp
$Comp
L Device:C C31
U 1 1 5FCEA76B
P 9100 8000
F 0 "C31" H 9215 8046 50 0000 L CNN
F 1 "680p" H 9215 7955 50 0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 9138 7850 50 0001 C CNN
F 3 "~" H 9100 8000 50 0001 C CNN
1 9100 8000
1 0 0 -1
$EndComp
$Comp
L Device:C C30
U 1 1 5FCF691F
P 8850 7300
F 0 "C30" V 8950 7100 50 0000 L CNN
F 1 "10n" V 8750 7100 50 0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 8888 7150 50 0001 C CNN
F 3 "~" H 8850 7300 50 0001 C CNN
1 8850 7300
0 -1 -1 0
$EndComp
Wire Wire Line
9150 7750 9100 7750
Wire Wire Line
9100 7850 9100 7750
Connection ~ 9100 7750
Wire Wire Line
9100 7750 9050 7750
Wire Wire Line
8350 7750 8300 7750
Wire Wire Line
8300 7850 8300 7750
Connection ~ 8300 7750
Wire Wire Line
8300 7750 8250 7750
Wire Wire Line
9150 7550 9100 7550
$Comp
L Connector:TestPoint TP1
U 1 1 5FD4AF22
P 7000 7400
F 0 "TP1" H 7050 7700 50 0000 L CNN
F 1 "TestPoint" H 7050 7600 50 0000 L CNN
F 2 "TestPoint:TestPoint_Pad_D1.5mm" H 7200 7400 50 0001 C CNN
F 3 "~" H 7200 7400 50 0001 C CNN
1 7000 7400
1 0 0 -1
$EndComp
$Comp
L Connector:TestPoint TP2
U 1 1 5FD4F12E
P 7750 6750
F 0 "TP2" H 7800 7050 50 0000 L CNN
F 1 "TestPoint" H 7800 6950 50 0000 L CNN
F 2 "TestPoint:TestPoint_Pad_D1.5mm" H 7950 6750 50 0001 C CNN
F 3 "~" H 7950 6750 50 0001 C CNN
1 7750 6750
1 0 0 -1
$EndComp
$Comp
L Connector:TestPoint TP3
U 1 1 5FD50FD7
P 9100 7200
F 0 "TP3" H 9158 7318 50 0000 L CNN
F 1 "RXA" H 9158 7227 50 0000 L CNN
F 2 "TestPoint:TestPoint_Pad_D1.5mm" H 9300 7200 50 0001 C CNN
F 3 "~" H 9300 7200 50 0001 C CNN
1 9100 7200
1 0 0 -1
$EndComp
Wire Wire Line
7700 7750 7750 7750
Wire Wire Line
7750 7900 7750 7750
Connection ~ 7750 7750
Wire Wire Line
7750 7750 7950 7750
Wire Wire Line
7600 8050 7000 8050
Wire Wire Line
7000 8050 7000 7850
Wire Wire Line
7000 7850 7100 7850
Wire Wire Line
7000 7400 7000 7850
Connection ~ 7000 7850
$Comp
L power:GND #PWR0113
U 1 1 5FD9CF33
P 6400 7350
F 0 "#PWR0113" H 6400 7100 50 0001 C CNN
F 1 "GND" H 6550 7250 50 0000 C CNN
F 2 "" H 6400 7350 50 0000 C CNN
F 3 "" H 6400 7350 50 0000 C CNN
1 6400 7350
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0114
U 1 1 5FD9EFC2
P 7750 8800
F 0 "#PWR0114" H 7750 8550 50 0001 C CNN
F 1 "GND" H 7750 8650 50 0000 C CNN
F 2 "" H 7750 8800 50 0000 C CNN
F 3 "" H 7750 8800 50 0000 C CNN
1 7750 8800
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0115
U 1 1 5FDA108C
P 8300 8150
F 0 "#PWR0115" H 8300 7900 50 0001 C CNN
F 1 "GND" H 8300 8000 50 0000 C CNN
F 2 "" H 8300 8150 50 0000 C CNN
F 3 "" H 8300 8150 50 0000 C CNN
1 8300 8150
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0116
U 1 1 5FDA30F8
P 9100 8150
F 0 "#PWR0116" H 9100 7900 50 0001 C CNN
F 1 "GND" H 9100 8000 50 0000 C CNN
F 2 "" H 9100 8150 50 0000 C CNN
F 3 "" H 9100 8150 50 0000 C CNN
1 9100 8150
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0117
U 1 1 5FDA56CC
P 5700 8100
F 0 "#PWR0117" H 5700 7850 50 0001 C CNN
F 1 "GND" H 5700 7950 50 0000 C CNN
F 2 "" H 5700 8100 50 0000 C CNN
F 3 "" H 5700 8100 50 0000 C CNN
1 5700 8100
1 0 0 -1
$EndComp
$Comp
L Device:C C20
U 1 1 5FDAAC02
P 6500 7650
F 0 "C20" V 6600 7450 50 0000 L CNN
F 1 "22u" V 6400 7450 50 0000 L CNN
F 2 "Capacitor_SMD:C_1210_3225Metric" H 6538 7500 50 0001 C CNN
F 3 "~" H 6500 7650 50 0001 C CNN
1 6500 7650
0 -1 -1 0
$EndComp
$Comp
L Device:R R16
U 1 1 5FDAF083
P 6750 7200
F 0 "R16" H 6600 7250 50 0000 C CNN
F 1 "100k" H 6600 7150 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 6680 7200 50 0001 C CNN
F 3 "" H 6750 7200 50 0001 C CNN
1 6750 7200
1 0 0 -1
$EndComp
$Comp
L Device:R R14
U 1 1 5FDB12C2
P 6400 7200
F 0 "R14" H 6250 7250 50 0000 C CNN
F 1 "22k" H 6250 7150 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 6330 7200 50 0001 C CNN
F 3 "" H 6400 7200 50 0001 C CNN
1 6400 7200
1 0 0 -1
$EndComp
$Comp
L Device:C C17
U 1 1 5FDC49AA
P 6050 7200
F 0 "C17" H 5800 7250 50 0000 L CNN
F 1 "47u" H 5800 7150 50 0000 L CNN
F 2 "Capacitor_SMD:C_1210_3225Metric" H 6088 7050 50 0001 C CNN
F 3 "~" H 6050 7200 50 0001 C CNN
1 6050 7200
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0118
U 1 1 5FDC49B0
P 6050 7350
F 0 "#PWR0118" H 6050 7100 50 0001 C CNN
F 1 "GND" H 6200 7250 50 0000 C CNN
F 2 "" H 6050 7350 50 0000 C CNN
F 3 "" H 6050 7350 50 0000 C CNN
1 6050 7350
1 0 0 -1
$EndComp
$Comp
L Device:R R13
U 1 1 5FDCC0DD
P 6750 6800
F 0 "R13" H 6900 6850 50 0000 C CNN
F 1 "22k" H 6900 6750 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 6680 6800 50 0001 C CNN
F 3 "" H 6750 6800 50 0001 C CNN
1 6750 6800
1 0 0 -1
$EndComp
$Comp
L power:+3.3V #PWR0119
U 1 1 5FE2A35D
P 1300 6000
F 0 "#PWR0119" H 1300 5850 50 0001 C CNN
F 1 "+3.3V" H 1315 6173 50 0000 C CNN
F 2 "" H 1300 6000 50 0001 C CNN
F 3 "" H 1300 6000 50 0001 C CNN
1 1300 6000
1 0 0 -1
$EndComp
Wire Wire Line
7100 7650 6750 7650
Wire Wire Line
6750 7350 6750 7650
Connection ~ 6750 7650
Wire Wire Line
6750 7650 6650 7650
Wire Wire Line
6750 6950 6750 7000
Wire Wire Line
6750 7000 6400 7000
Wire Wire Line
6050 7000 6050 7050
Connection ~ 6750 7000
Wire Wire Line
6750 7000 6750 7050
Wire Wire Line
6400 7050 6400 7000
Connection ~ 6400 7000
Wire Wire Line
6400 7000 6050 7000
$Comp
L Device:R R10
U 1 1 5FE3C3CB
P 6200 7650
F 0 "R10" V 6280 7650 50 0000 C CNN
F 1 "10k" V 6100 7650 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 6130 7650 50 0001 C CNN
F 3 "" H 6200 7650 50 0001 C CNN
1 6200 7650
0 -1 -1 0
$EndComp
$Comp
L Device:R_POT_TRIM R6
U 1 1 5FE451BA
P 5700 7650
F 0 "R6" H 5550 7600 50 0000 R CNN
F 1 "100k" H 5631 7695 50 0000 R CNN
F 2 "Potentiometer_THT:Potentiometer_Bourns_3296W_Vertical" H 5700 7650 50 0001 C CNN
F 3 "~" H 5700 7650 50 0001 C CNN
1 5700 7650
1 0 0 1
$EndComp
$Comp
L Device:R R7
U 1 1 5FE60AAE
P 5700 7950
F 0 "R7" H 5550 8000 50 0000 C CNN
F 1 "100" H 5550 7900 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 5630 7950 50 0001 C CNN
F 3 "" H 5700 7950 50 0001 C CNN
1 5700 7950
1 0 0 -1
$EndComp
Wire Wire Line
6050 7650 5850 7650
$Comp
L Device:C C14
U 1 1 5FE6E010
P 5450 7350
F 0 "C14" V 5550 7150 50 0000 L CNN
F 1 "22u" V 5350 7150 50 0000 L CNN
F 2 "Capacitor_SMD:C_1210_3225Metric" H 5488 7200 50 0001 C CNN
F 3 "~" H 5450 7350 50 0001 C CNN
1 5450 7350
0 -1 -1 0
$EndComp
Text GLabel 5150 7350 0 50 Input ~ 0
RXA_R
Wire Wire Line
5150 7350 5300 7350
Wire Wire Line
8650 7750 8700 7750
Wire Wire Line
8700 7300 8700 7750
Connection ~ 8700 7750
Wire Wire Line
8700 7750 8750 7750
Wire Wire Line
9100 7550 9100 7300
Wire Wire Line
9100 7300 9000 7300
Wire Wire Line
9100 7200 9100 7300
Connection ~ 9100 7300
Text GLabel 9950 7650 2 50 Output ~ 0
RXA
Wire Wire Line
9100 7300 9850 7300
Wire Wire Line
9850 7300 9850 7650
Wire Wire Line
9850 7650 9750 7650
Wire Wire Line
9950 7650 9850 7650
Connection ~ 9850 7650
$Comp
L Amplifier_Operational:MCP6002-xSN IC2
U 1 1 5FEED97B
P 7400 9800
F 0 "IC2" H 7400 10167 50 0000 C CNN
F 1 "MCP6002" H 7400 10076 50 0000 C CNN
F 2 "Package_SO:SO-8_3.9x4.9mm_P1.27mm" H 7400 9800 50 0001 C CNN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/21733j.pdf" H 7400 9800 50 0001 C CNN
1 7400 9800
1 0 0 -1
$EndComp
$Comp
L Amplifier_Operational:MCP6002-xSN IC2
U 2 1 5FEED981
P 9450 9700
F 0 "IC2" H 9500 9900 50 0000 C CNN
F 1 "MCP6002" H 9700 10000 50 0000 C CNN
F 2 "Package_SO:SO-8_3.9x4.9mm_P1.27mm" H 9450 9700 50 0001 C CNN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/21733j.pdf" H 9450 9700 50 0001 C CNN
2 9450 9700
1 0 0 1
$EndComp
$Comp
L Device:R_POT_TRIM R32
U 1 1 5FEED987
P 10450 9950
F 0 "R32" H 10200 10000 50 0000 R CNN
F 1 "10k" H 10200 10100 50 0000 R CNN
F 2 "Potentiometer_THT:Potentiometer_Bourns_3296W_Vertical" H 10450 9950 50 0001 C CNN
F 3 "~" H 10450 9950 50 0001 C CNN
1 10450 9950
1 0 0 1
$EndComp
$Comp
L Device:R R21
U 1 1 5FEED98D
P 7750 10400
F 0 "R21" H 7900 10450 50 0000 C CNN
F 1 "100k" H 7900 10350 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 7680 10400 50 0001 C CNN
F 3 "" H 7750 10400 50 0001 C CNN
1 7750 10400
1 0 0 -1
$EndComp
$Comp
L Device:C C22
U 1 1 5FEED993
P 7750 10700
F 0 "C22" H 7900 10750 50 0000 L CNN
F 1 "47u" H 7900 10650 50 0000 L CNN
F 2 "Capacitor_SMD:C_1210_3225Metric" H 7788 10550 50 0001 C CNN
F 3 "~" H 7750 10700 50 0001 C CNN
1 7750 10700
1 0 0 -1
$EndComp
$Comp
L Device:R R22
U 1 1 5FEED999
P 8100 9800
F 0 "R22" V 8180 9800 50 0000 C CNN
F 1 "3k3" V 8000 9800 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 8030 9800 50 0001 C CNN
F 3 "" H 8100 9800 50 0001 C CNN
1 8100 9800
0 -1 -1 0
$EndComp
$Comp
L Device:R R24
U 1 1 5FEED99F
P 8500 9800
F 0 "R24" V 8580 9800 50 0000 C CNN
F 1 "39k" V 8400 9800 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 8430 9800 50 0001 C CNN
F 3 "" H 8500 9800 50 0001 C CNN
1 8500 9800
0 -1 -1 0
$EndComp
$Comp
L Device:C C24
U 1 1 5FEED9A5
P 8300 10050
F 0 "C24" H 8415 10096 50 0000 L CNN
F 1 "10n" H 8415 10005 50 0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 8338 9900 50 0001 C CNN
F 3 "~" H 8300 10050 50 0001 C CNN
1 8300 10050
1 0 0 -1
$EndComp
$Comp
L Device:R R26
U 1 1 5FEED9AB
P 8900 9800
F 0 "R26" V 8980 9800 50 0000 C CNN
F 1 "3k9" V 8800 9800 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 8830 9800 50 0001 C CNN
F 3 "" H 8900 9800 50 0001 C CNN
1 8900 9800
0 -1 -1 0
$EndComp
$Comp
L Device:C C29
U 1 1 5FEED9B1
P 9100 10050
F 0 "C29" H 9215 10096 50 0000 L CNN
F 1 "680p" H 9215 10005 50 0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 9138 9900 50 0001 C CNN
F 3 "~" H 9100 10050 50 0001 C CNN
1 9100 10050
1 0 0 -1
$EndComp
$Comp
L Device:C C27
U 1 1 5FEED9B7
P 8850 9350
F 0 "C27" V 8950 9150 50 0000 L CNN
F 1 "10n" V 8750 9150 50 0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 8888 9200 50 0001 C CNN
F 3 "~" H 8850 9350 50 0001 C CNN
1 8850 9350
0 -1 -1 0
$EndComp
Wire Wire Line
9150 9800 9100 9800
Wire Wire Line
9100 9900 9100 9800
Connection ~ 9100 9800