RF_and_GPS.sch

EESchema Schematic File Version 4
EELAYER 29 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 5 6
Title "PyCubed Mainboard"
Date ""
Rev "v01"
Comp "Stanford University"
Comment1 "rexlab.stanford.edu"
Comment2 "Max Holliday"
Comment3 "Zac Manchester"
Comment4 ""
$EndDescr
Wire Wire Line
	9550 2400 10150 2400
Wire Wire Line
	10150 2400 10150 2600
Wire Wire Line
	10150 2600 9550 2600
Connection ~ 10150 2600
Text GLabel 9550 2400 0    10   BiDi ~ 0
GND
Wire Wire Line
	8150 2400 7950 2400
Wire Wire Line
	7950 2400 7950 2600
Text GLabel 8150 2400 0    10   BiDi ~ 0
GND
Wire Wire Line
	8150 3600 8150 3700
Connection ~ 8150 3600
Text GLabel 8150 3600 0    10   BiDi ~ 0
GND
Wire Wire Line
	9450 5450 9350 5450
Wire Wire Line
	9450 5450 9450 5650
Wire Wire Line
	9450 5650 9450 5850
Wire Wire Line
	9250 5650 9450 5650
Wire Wire Line
	9350 5050 9450 5050
Wire Wire Line
	9450 5050 9450 5450
Connection ~ 9450 5450
Connection ~ 9450 5650
Text GLabel 9450 5450 0    10   BiDi ~ 0
GND
Wire Wire Line
	4650 6900 4750 6900
Wire Wire Line
	4750 6900 4750 7100
Wire Wire Line
	4250 7100 4750 7100
Connection ~ 4750 7100
Text GLabel 4650 6900 0    10   BiDi ~ 0
GND
Wire Wire Line
	3500 2700 3400 2700
Text GLabel 3500 2700 0    10   BiDi ~ 0
GND
Wire Wire Line
	6300 2700 6200 2700
Text GLabel 6300 2700 0    10   BiDi ~ 0
GND
Wire Wire Line
	3700 1800 4500 1800
Text GLabel 3700 1800 0    10   BiDi ~ 0
GND
Wire Wire Line
	1000 1800 1700 1800
Text GLabel 1000 1800 0    10   BiDi ~ 0
GND
Wire Wire Line
	1000 3700 1700 3700
Text GLabel 1000 3700 0    10   BiDi ~ 0
GND
Wire Wire Line
	3700 3700 4500 3700
Text GLabel 3700 3700 0    10   BiDi ~ 0
GND
Wire Wire Line
	6300 3400 6200 3400
Text GLabel 6300 3400 0    10   BiDi ~ 0
GND
Wire Wire Line
	3050 6400 2750 6400
Text GLabel 3050 6400 0    10   BiDi ~ 0
3.3V
Wire Wire Line
	1700 1600 1600 1600
Wire Wire Line
	1600 1600 1600 1500
Wire Wire Line
	1600 1500 1700 1500
Connection ~ 1600 1500
Text GLabel 1700 1600 0    10   BiDi ~ 0
3.3V
Wire Wire Line
	4500 1600 4400 1600
Wire Wire Line
	4400 1600 4400 1500
Wire Wire Line
	4400 1500 4500 1500
Connection ~ 4400 1500
Text GLabel 4500 1600 0    10   BiDi ~ 0
3.3V
Wire Wire Line
	1700 3500 1600 3500
Wire Wire Line
	1600 3500 1600 3400
Wire Wire Line
	1600 3400 1700 3400
Connection ~ 1600 3400
Text GLabel 1700 3500 0    10   BiDi ~ 0
3.3V
Wire Wire Line
	4500 3500 4400 3500
Wire Wire Line
	4400 3500 4400 3400
Wire Wire Line
	4400 3400 4500 3400
Connection ~ 4400 3400
Text GLabel 4500 3500 0    10   BiDi ~ 0
3.3V
Wire Wire Line
	6200 3600 6500 3600
Wire Wire Line
	6500 3600 6500 3300
Text GLabel 6200 3600 0    10   BiDi ~ 0
3.3V
Wire Wire Line
	8150 3300 8050 3300
Text GLabel 8050 3300 0    50   BiDi ~ 0
UART1_TX
Wire Wire Line
	8150 3200 8050 3200
Text GLabel 8050 3200 0    50   BiDi ~ 0
UART1_RX
Wire Wire Line
	9550 2500 9750 2500
Text Label 9750 2500 0    50   ~ 0
RF_IN
Wire Wire Line
	7950 5250 7850 5250
Text Label 7850 5250 0    50   ~ 0
RF_IN
Wire Wire Line
	8150 3500 8050 3500
Wire Wire Line
	8150 3500 8150 3400
Text GLabel 8050 3500 0    50   BiDi ~ 0
GPS_PWR_IN
Connection ~ 8150 3500
Wire Wire Line
	10450 2600 10450 2500
Text GLabel 10450 2500 2    50   BiDi ~ 0
GPS_PWR_IN
Wire Wire Line
	9550 2800 9950 2800
Wire Wire Line
	10450 3000 10150 3000
Wire Wire Line
	3050 6700 2950 6700
Text GLabel 2950 6700 0    50   BiDi ~ 0
SPI_MOSI
Wire Wire Line
	1700 2000 1600 2000
Text GLabel 1600 2000 0    50   BiDi ~ 0
SPI_MOSI
Wire Wire Line
	4500 2000 4400 2000
Text GLabel 4400 2000 0    50   BiDi ~ 0
SPI_MOSI
Wire Wire Line
	1700 3900 1600 3900
Text GLabel 1600 3900 0    50   BiDi ~ 0
SPI_MOSI
Wire Wire Line
	4500 3900 4400 3900
Text GLabel 4400 3900 0    50   BiDi ~ 0
SPI_MOSI
Wire Wire Line
	3050 6600 2950 6600
Text GLabel 2950 6600 0    50   BiDi ~ 0
SPI_MISO
Wire Wire Line
	1700 2200 1600 2200
Text GLabel 1600 2200 0    50   BiDi ~ 0
SPI_MISO
Wire Wire Line
	4500 2200 4400 2200
Text GLabel 4400 2200 0    50   BiDi ~ 0
SPI_MISO
Wire Wire Line
	1700 4100 1600 4100
Text GLabel 1600 4100 0    50   BiDi ~ 0
SPI_MISO
Wire Wire Line
	4500 4100 4400 4100
Text GLabel 4400 4100 0    50   BiDi ~ 0
SPI_MISO
Wire Wire Line
	3050 6800 2950 6800
Text GLabel 2950 6800 0    50   BiDi ~ 0
SPI_SCK
Wire Wire Line
	1700 2100 1600 2100
Text GLabel 1600 2100 0    50   BiDi ~ 0
SPI_SCK
Wire Wire Line
	4500 2100 4400 2100
Text GLabel 4400 2100 0    50   BiDi ~ 0
SPI_SCK
Wire Wire Line
	1700 4000 1600 4000
Text GLabel 1600 4000 0    50   BiDi ~ 0
SPI_SCK
Wire Wire Line
	4500 4000 4400 4000
Text GLabel 4400 4000 0    50   BiDi ~ 0
SPI_SCK
Wire Wire Line
	3050 7000 2950 7000
Text GLabel 2950 7000 0    50   BiDi ~ 0
RF_NIRQ
Wire Wire Line
	4250 6900 4550 6900
Wire Wire Line
	3050 7100 2950 7100
Text GLabel 2950 7100 0    50   BiDi ~ 0
RF_SDN
Wire Wire Line
	3050 6900 2950 6900
Text GLabel 2950 6900 0    50   BiDi ~ 0
SPI_CS_RFM
Wire Wire Line
	4500 1900 4400 1900
Text GLabel 4400 1900 0    50   BiDi ~ 0
SPI_CS_XTB2
Wire Wire Line
	1700 2300 1600 2300
Text GLabel 1600 2300 0    50   BiDi ~ 0
XTB_RESET
Wire Wire Line
	4500 2300 4400 2300
Text GLabel 4400 2300 0    50   BiDi ~ 0
XTB_RESET
Wire Wire Line
	1700 4200 1600 4200
Text GLabel 1600 4200 0    50   BiDi ~ 0
XTB_RESET
Wire Wire Line
	1700 1900 1600 1900
Text GLabel 1600 1900 0    50   BiDi ~ 0
SPI_CS_XTB1
Wire Wire Line
	1700 3800 1600 3800
Text GLabel 1600 3800 0    50   BiDi ~ 0
SPI_CS_XTB3
Wire Wire Line
	4500 3800 4400 3800
Text GLabel 4400 3800 0    50   BiDi ~ 0
SPI_CS_XTB4
Wire Wire Line
	4250 6600 4350 6600
Wire Wire Line
	4350 6600 4350 6700
Wire Wire Line
	4350 6700 4250 6700
Wire Wire Line
	4250 6800 4450 6800
Wire Wire Line
	4450 6800 4450 6500
Wire Wire Line
	4450 6500 4250 6500
$Comp
L mainboard:S1216V8 U14
U 1 0 F6F52858
P 8850 3000
AR Path="/F6F52858" Ref="U14"  Part="1" 
AR Path="/5CEC6281/F6F52858" Ref="U14"  Part="1" 
F 0 "U14" H 8350 2200 59  0000 L BNN
F 1 "S1216V8" H 8950 2200 59  0000 L BNN
F 2 "mainboard:S1216_24PIN_PACKAGE" H 8850 3000 50  0001 C CNN
F 3 "" H 8850 3000 50  0001 C CNN
	1    8850 3000
	1    0    0    -1  
$EndComp
$Comp
L mainboard:GND #GND44
U 1 0 87F2849F
P 8150 3700
AR Path="/87F2849F" Ref="#GND44"  Part="1" 
AR Path="/5CEC6281/87F2849F" Ref="#GND044"  Part="1" 
F 0 "#GND044" H 8150 3700 50  0001 C CNN
F 1 "GND" H 8050 3600 59  0000 L BNN
F 2 "" H 8150 3700 50  0001 C CNN
F 3 "" H 8150 3700 50  0001 C CNN
	1    8150 3700
	1    0    0    -1  
$EndComp
$Comp
L mainboard:GND #GND43
U 1 0 7A046983
P 7950 2700
AR Path="/7A046983" Ref="#GND43"  Part="1" 
AR Path="/5CEC6281/7A046983" Ref="#GND043"  Part="1" 
F 0 "#GND043" H 7950 2700 50  0001 C CNN
F 1 "GND" H 7850 2600 59  0000 L BNN
F 2 "" H 7950 2700 50  0001 C CNN
F 3 "" H 7950 2700 50  0001 C CNN
	1    7950 2700
	1    0    0    -1  
$EndComp
$Comp
L mainboard:GND #GND48
U 1 0 A043859C
P 10150 2700
AR Path="/A043859C" Ref="#GND48"  Part="1" 
AR Path="/5CEC6281/A043859C" Ref="#GND048"  Part="1" 
F 0 "#GND048" H 10150 2700 50  0001 C CNN
F 1 "GND" H 10050 2600 59  0000 L BNN
F 2 "" H 10150 2700 50  0001 C CNN
F 3 "" H 10150 2700 50  0001 C CNN
	1    10150 2700
	1    0    0    -1  
$EndComp
$Comp
L mainboard:EP2W+ U12
U 1 0 6D2AEAA6
P 8650 5250
AR Path="/6D2AEAA6" Ref="U12"  Part="1" 
AR Path="/5CEC6281/6D2AEAA6" Ref="U12"  Part="1" 
F 0 "U12" H 8250 5650 50  0000 R TNB
F 1 "EP2W+" H 8650 5250 50  0001 C CNN
F 2 "mainboard:QFN32-5X5MM" H 8650 5250 50  0001 C CNN
F 3 "" H 8650 5250 50  0001 C CNN
	1    8650 5250
	1    0    0    -1  
$EndComp
$Comp
L mainboard:BU-SMA-V X1
U 1 0 8679BB61
P 9250 5350
AR Path="/8679BB61" Ref="X1"  Part="1" 
AR Path="/5CEC6281/8679BB61" Ref="X1"  Part="1" 
F 0 "X1" V 9200 5090 59  0000 R TNN
F 1 "BU-SMA-V" V 9270 5090 59  0000 R TNN
F 2 "Connector_Coaxial:SMA_Amphenol_132134-16_Vertical" H 9250 5350 50  0001 C CNN
F 3 "" H 9250 5350 50  0001 C CNN
	1    9250 5350
	0    -1   1    0   
$EndComp
$Comp
L mainboard:BU-SMA-V X2
U 1 0 EE6A8C5B
P 9250 4950
AR Path="/EE6A8C5B" Ref="X2"  Part="1" 
AR Path="/5CEC6281/EE6A8C5B" Ref="X2"  Part="1" 
F 0 "X2" V 9190 4780 59  0000 R TNN
F 1 "BU-SMA-V" V 9270 4790 59  0000 R TNN
F 2 "Connector_Coaxial:SMA_Amphenol_132134-16_Vertical" H 9250 4950 50  0001 C CNN
F 3 "" H 9250 4950 50  0001 C CNN
	1    9250 4950
	0    -1   1    0   
$EndComp
$Comp
L mainboard:GND #GND45
U 1 0 5123C17D
P 9450 5950
AR Path="/5123C17D" Ref="#GND45"  Part="1" 
AR Path="/5CEC6281/5123C17D" Ref="#GND045"  Part="1" 
F 0 "#GND045" H 9450 5950 50  0001 C CNN
F 1 "GND" H 9350 5850 59  0000 L BNN
F 2 "" H 9450 5950 50  0001 C CNN
F 3 "" H 9450 5950 50  0001 C CNN
	1    9450 5950
	1    0    0    -1  
$EndComp
$Comp
L mainboard:10KOHM-1_10W-1%(0603)0603 R34
U 1 0 38A56A55
P 10450 2800
AR Path="/38A56A55" Ref="R34"  Part="1" 
AR Path="/5CEC6281/38A56A55" Ref="R34"  Part="1" 
F 0 "R34" H 10300 2859 59  0000 L BNN
F 1 "10K" H 10300 2670 59  0000 L BNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 10450 2800 50  0001 C CNN
F 3 "" H 10450 2800 50  0001 C CNN
	1    10450 2800
	0    -1   -1   0   
$EndComp
$Comp
L mainboard:GND #GND46
U 1 0 6BBB6AA2
P 9750 3100
AR Path="/6BBB6AA2" Ref="#GND46"  Part="1" 
AR Path="/5CEC6281/6BBB6AA2" Ref="#GND046"  Part="1" 
F 0 "#GND046" H 9750 3100 50  0001 C CNN
F 1 "GND" H 9650 3000 59  0000 L BNN
F 2 "" H 9750 3100 50  0001 C CNN
F 3 "" H 9750 3100 50  0001 C CNN
	1    9750 3100
	1    0    0    -1  
$EndComp
$Comp
L mainboard:JUMPER-PAD-3-2OF3_NC_BY_TRACE_SMALL JP24
U 1 0 B9D595EE
P 9950 3000
AR Path="/B9D595EE" Ref="JP24"  Part="1" 
AR Path="/5CEC6281/B9D595EE" Ref="JP24"  Part="1" 
F 0 "JP24" V 9765 3300 59  0000 R TNN
F 1 "JUMPER-PAD-3-2OF3_NC_BY_TRACE_SMALL" H 10050 2925 59  0001 L BNN
F 2 "mainboard:PAD-JUMPER-3-2OF3_NC_BY_TRACE_YES_SILK_FULL_BOX" H 9950 3000 50  0001 C CNN
F 3 "" H 9950 3000 50  0001 C CNN
	1    9950 3000
	0    -1   1    0   
$EndComp
$Comp
L mainboard:RFM23BP U13
U 1 0 B7180DA0
P 3550 6700
AR Path="/B7180DA0" Ref="U13"  Part="1" 
AR Path="/5CEC6281/B7180DA0" Ref="U13"  Part="1" 
F 0 "U13" H 3250 7100 59  0001 L BNN
F 1 "RFM23BP" H 3550 6700 50  0001 C CNN
F 2 "mainboard:RFM23BP" H 3550 6700 50  0001 C CNN
F 3 "" H 3550 6700 50  0001 C CNN
F 4 "U" H 3550 6700 50  0001 C CNN "SPICEPREFIX"
	1    3550 6700
	1    0    0    -1  
$EndComp
$Comp
L mainboard:BU-SMA-V X3
U 1 0 D0EFEB30
P 4550 7000
AR Path="/D0EFEB30" Ref="X3"  Part="1" 
AR Path="/5CEC6281/D0EFEB30" Ref="X3"  Part="1" 
F 0 "X3" V 4680 6700 59  0000 R TNN
F 1 "BU-SMA-V" V 4550 6700 59  0000 R TNN
F 2 "Connector_Coaxial:SMA_Amphenol_132134-16_Vertical" H 4550 7000 50  0001 C CNN
F 3 "" H 4550 7000 50  0001 C CNN
	1    4550 7000
	0    -1   -1   0   
$EndComp
$Comp
L mainboard:GND #GND47
U 1 0 E3D3C258
P 4750 7200
AR Path="/E3D3C258" Ref="#GND47"  Part="1" 
AR Path="/5CEC6281/E3D3C258" Ref="#GND047"  Part="1" 
F 0 "#GND047" H 4750 7200 50  0001 C CNN
F 1 "GND" H 4650 7100 59  0000 L BNN
F 2 "" H 4750 7200 50  0001 C CNN
F 3 "" H 4750 7200 50  0001 C CNN
	1    4750 7200
	-1   0    0    -1  
$EndComp
$Comp
L mainboard:3.3V #SUPPLY16
U 1 0 86F85EE9
P 2750 6400
AR Path="/86F85EE9" Ref="#SUPPLY16"  Part="1" 
AR Path="/5CEC6281/86F85EE9" Ref="#SUPPLY016"  Part="1" 
F 0 "#SUPPLY016" H 2750 6400 50  0001 C CNN
F 1 "3.3V" H 2710 6540 59  0000 L BNN
F 2 "" H 2750 6400 50  0001 C CNN
F 3 "" H 2750 6400 50  0001 C CNN
	1    2750 6400
	1    0    0    -1  
$EndComp
$Comp
L mainboard:XTB_2018_07_15 U15
U 1 0 836AD4BB
P 2700 2300
AR Path="/836AD4BB" Ref="U15"  Part="1" 
AR Path="/5CEC6281/836AD4BB" Ref="U15"  Part="1" 
F 0 "U15" H 2700 2300 50  0001 C CNN
F 1 "XTB_2018_07_15" H 2700 2300 50  0001 C CNN
F 2 "mainboard:XTB28_MEZ" H 2700 2300 50  0001 C CNN
F 3 "" H 2700 2300 50  0001 C CNN
	1    2700 2300
	1    0    0    -1  
$EndComp
$Comp
L mainboard:3.3V #SUPPLY18
U 1 0 C00D883A
P 1600 1500
AR Path="/C00D883A" Ref="#SUPPLY18"  Part="1" 
AR Path="/5CEC6281/C00D883A" Ref="#SUPPLY018"  Part="1" 
F 0 "#SUPPLY018" H 1600 1500 50  0001 C CNN
F 1 "3.3V" H 1560 1640 59  0000 L BNN
F 2 "" H 1600 1500 50  0001 C CNN
F 3 "" H 1600 1500 50  0001 C CNN
	1    1600 1500
	1    0    0    -1  
$EndComp
$Comp
L mainboard:XTB_2018_07_15 U16
U 1 0 A8FA17CD
P 5500 2300
AR Path="/A8FA17CD" Ref="U16"  Part="1" 
AR Path="/5CEC6281/A8FA17CD" Ref="U16"  Part="1" 
F 0 "U16" H 5500 2300 50  0001 C CNN
F 1 "XTB_2018_07_15" H 5500 2300 50  0001 C CNN
F 2 "mainboard:XTB28_MEZ" H 5500 2300 50  0001 C CNN
F 3 "" H 5500 2300 50  0001 C CNN
	1    5500 2300
	1    0    0    -1  
$EndComp
$Comp
L mainboard:3.3V #SUPPLY19
U 1 0 9765D681
P 4400 1500
AR Path="/9765D681" Ref="#SUPPLY19"  Part="1" 
AR Path="/5CEC6281/9765D681" Ref="#SUPPLY019"  Part="1" 
F 0 "#SUPPLY019" H 4400 1500 50  0001 C CNN
F 1 "3.3V" H 4360 1640 59  0000 L BNN
F 2 "" H 4400 1500 50  0001 C CNN
F 3 "" H 4400 1500 50  0001 C CNN
	1    4400 1500
	1    0    0    -1  
$EndComp
$Comp
L mainboard:3.3V #SUPPLY20
U 1 0 74256EE2
P 1600 3400
AR Path="/74256EE2" Ref="#SUPPLY20"  Part="1" 
AR Path="/5CEC6281/74256EE2" Ref="#SUPPLY020"  Part="1" 
F 0 "#SUPPLY020" H 1600 3400 50  0001 C CNN
F 1 "3.3V" H 1560 3540 59  0000 L BNN
F 2 "" H 1600 3400 50  0001 C CNN
F 3 "" H 1600 3400 50  0001 C CNN
	1    1600 3400
	1    0    0    -1  
$EndComp
$Comp
L mainboard:3.3V #SUPPLY21
U 1 0 5F7BB948
P 4400 3400
AR Path="/5F7BB948" Ref="#SUPPLY21"  Part="1" 
AR Path="/5CEC6281/5F7BB948" Ref="#SUPPLY021"  Part="1" 
F 0 "#SUPPLY021" H 4400 3400 50  0001 C CNN
F 1 "3.3V" H 4360 3540 59  0000 L BNN
F 2 "" H 4400 3400 50  0001 C CNN
F 3 "" H 4400 3400 50  0001 C CNN
	1    4400 3400
	1    0    0    -1  
$EndComp
$Comp
L mainboard:GND #GND51
U 1 0 2CF0FB45
P 3500 2800
AR Path="/2CF0FB45" Ref="#GND51"  Part="1" 
AR Path="/5CEC6281/2CF0FB45" Ref="#GND051"  Part="1" 
F 0 "#GND051" H 3500 2800 50  0001 C CNN
F 1 "GND" H 3400 2700 59  0000 L BNN
F 2 "" H 3500 2800 50  0001 C CNN
F 3 "" H 3500 2800 50  0001 C CNN
	1    3500 2800
	1    0    0    -1  
$EndComp
$Comp
L mainboard:GND #GND52
U 1 0 6E5BE941
P 6300 2800
AR Path="/6E5BE941" Ref="#GND52"  Part="1" 
AR Path="/5CEC6281/6E5BE941" Ref="#GND052"  Part="1" 
F 0 "#GND052" H 6300 2800 50  0001 C CNN
F 1 "GND" H 6200 2700 59  0000 L BNN
F 2 "" H 6300 2800 50  0001 C CNN
F 3 "" H 6300 2800 50  0001 C CNN
	1    6300 2800
	1    0    0    -1  
$EndComp
$Comp
L mainboard:GND #GND1
U 1 0 8DA2BB24
P 3700 1900
AR Path="/8DA2BB24" Ref="#GND1"  Part="1" 
AR Path="/5CEC6281/8DA2BB24" Ref="#GND01"  Part="1" 
F 0 "#GND01" H 3700 1900 50  0001 C CNN
F 1 "GND" H 3600 1800 59  0000 L BNN
F 2 "" H 3700 1900 50  0001 C CNN
F 3 "" H 3700 1900 50  0001 C CNN
	1    3700 1900
	1    0    0    -1  
$EndComp
$Comp
L mainboard:GND #GND55
U 1 0 740EDAAB
P 1000 1900
AR Path="/740EDAAB" Ref="#GND55"  Part="1" 
AR Path="/5CEC6281/740EDAAB" Ref="#GND055"  Part="1" 
F 0 "#GND055" H 1000 1900 50  0001 C CNN
F 1 "GND" H 900 1800 59  0000 L BNN
F 2 "" H 1000 1900 50  0001 C CNN
F 3 "" H 1000 1900 50  0001 C CNN
	1    1000 1900
	1    0    0    -1  
$EndComp
$Comp
L mainboard:GND #GND56
U 1 0 895B064A
P 1000 3800
AR Path="/895B064A" Ref="#GND56"  Part="1" 
AR Path="/5CEC6281/895B064A" Ref="#GND056"  Part="1" 
F 0 "#GND056" H 1000 3800 50  0001 C CNN
F 1 "GND" H 900 3700 59  0000 L BNN
F 2 "" H 1000 3800 50  0001 C CNN
F 3 "" H 1000 3800 50  0001 C CNN
	1    1000 3800
	1    0    0    -1  
$EndComp
$Comp
L mainboard:GND #GND57
U 1 0 304CF269
P 3700 3800
AR Path="/304CF269" Ref="#GND57"  Part="1" 
AR Path="/5CEC6281/304CF269" Ref="#GND057"  Part="1" 
F 0 "#GND057" H 3700 3800 50  0001 C CNN
F 1 "GND" H 3600 3700 59  0000 L BNN
F 2 "" H 3700 3800 50  0001 C CNN
F 3 "" H 3700 3800 50  0001 C CNN
	1    3700 3800
	1    0    0    -1  
$EndComp
$Comp
L mainboard:GND #GND62
U 1 0 4410D087
P 6300 3500
AR Path="/4410D087" Ref="#GND62"  Part="1" 
AR Path="/5CEC6281/4410D087" Ref="#GND062"  Part="1" 
F 0 "#GND062" H 6300 3500 50  0001 C CNN
F 1 "GND" H 6200 3400 59  0000 L BNN
F 2 "" H 6300 3500 50  0001 C CNN
F 3 "" H 6300 3500 50  0001 C CNN
	1    6300 3500
	1    0    0    -1  
$EndComp
$Comp
L mainboard:3.3V #SUPPLY22
U 1 0 15C4ECC7
P 6500 3300
AR Path="/15C4ECC7" Ref="#SUPPLY22"  Part="1" 
AR Path="/5CEC6281/15C4ECC7" Ref="#SUPPLY022"  Part="1" 
F 0 "#SUPPLY022" H 6500 3300 50  0001 C CNN
F 1 "3.3V" H 6460 3440 59  0000 L BNN
F 2 "" H 6500 3300 50  0001 C CNN
F 3 "" H 6500 3300 50  0001 C CNN
	1    6500 3300
	1    0    0    -1  
$EndComp
Text Notes 8550 2000 0    100  ~ 0
GPS Module
Text Notes 2650 6100 0    85   ~ 0
HopeRF RFM23B module at 3.3V
Text Notes 7850 4750 0    100  ~ 0
RF Splitter \n(2 Way, 0deg DC-Pass)
Text Notes 2850 1000 0    150  ~ 0
Science Payloads
$Comp
L mainboard:GND #GND54
U 1 0 72D39712
P 6300 4700
AR Path="/72D39712" Ref="#GND54"  Part="1" 
AR Path="/5CEC6281/72D39712" Ref="#GND054"  Part="1" 
F 0 "#GND054" H 6300 4700 50  0001 C CNN
F 1 "GND" H 6200 4600 59  0000 L BNN
F 2 "" H 6300 4700 50  0001 C CNN
F 3 "" H 6300 4700 50  0001 C CNN
	1    6300 4700
	1    0    0    -1  
$EndComp
$Comp
L mainboard:GND #GND53
U 1 0 F36FBA54
P 3500 4700
AR Path="/F36FBA54" Ref="#GND53"  Part="1" 
AR Path="/5CEC6281/F36FBA54" Ref="#GND053"  Part="1" 
F 0 "#GND053" H 3500 4700 50  0001 C CNN
F 1 "GND" H 3400 4600 59  0000 L BNN
F 2 "" H 3500 4700 50  0001 C CNN
F 3 "" H 3500 4700 50  0001 C CNN
	1    3500 4700
	1    0    0    -1  
$EndComp
$Comp
L mainboard:XTB_2018_07_15 U18
U 1 0 84ABBA4D
P 5500 4200
AR Path="/84ABBA4D" Ref="U18"  Part="1" 
AR Path="/5CEC6281/84ABBA4D" Ref="U18"  Part="1" 
F 0 "U18" H 5500 4200 50  0001 C CNN
F 1 "XTB_2018_07_15" H 5500 4200 50  0001 C CNN
F 2 "mainboard:XTB28_MEZ" H 5500 4200 50  0001 C CNN
F 3 "" H 5500 4200 50  0001 C CNN
	1    5500 4200
	1    0    0    -1  
$EndComp
$Comp
L mainboard:XTB_2018_07_15 U17
U 1 0 3DB02967
P 2700 4200
AR Path="/3DB02967" Ref="U17"  Part="1" 
AR Path="/5CEC6281/3DB02967" Ref="U17"  Part="1" 
F 0 "U17" H 2700 4200 50  0001 C CNN
F 1 "XTB_2018_07_15" H 2700 4200 50  0001 C CNN
F 2 "mainboard:XTB28_MEZ" H 2700 4200 50  0001 C CNN
F 3 "" H 2700 4200 50  0001 C CNN
	1    2700 4200
	1    0    0    -1  
$EndComp
Text GLabel 4400 4200 0    50   BiDi ~ 0
XTB_RESET
Wire Wire Line
	4500 4200 4400 4200
Text GLabel 3500 4600 0    10   BiDi ~ 0
GND
Wire Wire Line
	3500 4600 3400 4600
Text GLabel 6300 4600 0    10   BiDi ~ 0
GND
Wire Wire Line
	6300 4600 6200 4600
Text Notes 8800 6950 0    200  ~ 0
RF and GPS
$EndSCHEMATC