EESchema Schematic File Version 2
LIBS:power
LIBS:device
LIBS:transistors
LIBS:conn
LIBS:linear
LIBS:regul
LIBS:74xx
LIBS:cmos4000
LIBS:adc-dac
LIBS:memory
LIBS:xilinx
LIBS:microcontrollers
LIBS:dsp
LIBS:microchip
LIBS:analog_switches
LIBS:motorola
LIBS:texas
LIBS:intel
LIBS:audio
LIBS:interface
LIBS:digital-audio
LIBS:philips
LIBS:display
LIBS:cypress
LIBS:siliconi
LIBS:opto
LIBS:atmel
LIBS:contrib
LIBS:valves
LIBS:DonB
LIBS:BalloonRadio-cache
EELAYER 25 0
EELAYER END
$Descr USLetter 11000 8500
encoding utf-8
Sheet 1 4
Title "NavSpark MicroAPRS balloon radio"
Date ""
Rev ""
Comp ""
Comment1 "Donald Bindner"
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L ATMEGA328-A IC1
U 1 1 5561465C
P 2500 1900
F 0 "IC1" H 1750 3150 40  0000 L BNN
F 1 "ATMEGA328-A" H 2900 500 40  0000 L BNN
F 2 "Housings_QFP:TQFP-32_7x7mm_Pitch0.8mm" H 2500 1900 30  0000 C CIN
F 3 "" H 2500 1900 60  0000 C CNN
	1    2500 1900
	1    0    0    -1  
$EndComp
$Comp
L NavSpark U1
U 1 1 55614BB1
P 8850 2000
F 0 "U1" H 8850 2900 60  0000 C CNN
F 1 "NavSpark" H 8850 3050 60  0000 C CNN
F 2 "DonB:NavSpark" H 8850 2000 60  0001 C CNN
F 3 "" H 8850 2000 60  0000 C CNN
	1    8850 2000
	1    0    0    -1  
$EndComp
$Comp
L +BATT #PWR01
U 1 1 55614E66
P 9700 1400
F 0 "#PWR01" H 9700 1250 50  0001 C CNN
F 1 "+BATT" V 9700 1650 50  0000 C CNN
F 2 "" H 9700 1400 60  0000 C CNN
F 3 "" H 9700 1400 60  0000 C CNN
	1    9700 1400
	0    1    1    0   
$EndComp
Text Notes 9800 1350 0    60   ~ 0
3.6V-10V\n
NoConn ~ 9450 1500
$Comp
L +3.3V #PWR02
U 1 1 55614EDA
P 9700 1600
F 0 "#PWR02" H 9700 1450 50  0001 C CNN
F 1 "+3.3V" V 9700 1850 50  0000 C CNN
F 2 "" H 9700 1600 60  0000 C CNN
F 3 "" H 9700 1600 60  0000 C CNN
	1    9700 1600
	0    1    1    0   
$EndComp
$Comp
L GND #PWR03
U 1 1 55614F9A
P 9700 1700
F 0 "#PWR03" H 9700 1450 50  0001 C CNN
F 1 "GND" V 9700 1500 50  0000 C CNN
F 2 "" H 9700 1700 60  0000 C CNN
F 3 "" H 9700 1700 60  0000 C CNN
	1    9700 1700
	0    -1   -1   0   
$EndComp
$Comp
L +3.3V #PWR04
U 1 1 55614FEB
P 1100 800
F 0 "#PWR04" H 1100 650 50  0001 C CNN
F 1 "+3.3V" V 1100 1050 50  0000 C CNN
F 2 "" H 1100 800 60  0000 C CNN
F 3 "" H 1100 800 60  0000 C CNN
	1    1100 800 
	0    -1   -1   0   
$EndComp
$Comp
L GND #PWR05
U 1 1 5561504E
P 1350 2900
F 0 "#PWR05" H 1350 2650 50  0001 C CNN
F 1 "GND" V 1350 2700 50  0000 C CNN
F 2 "" H 1350 2900 60  0000 C CNN
F 3 "" H 1350 2900 60  0000 C CNN
	1    1350 2900
	0    1    1    0   
$EndComp
$Comp
L GND #PWR06
U 1 1 5561F147
P 1300 1700
F 0 "#PWR06" H 1300 1450 50  0001 C CNN
F 1 "GND" H 1400 1550 50  0000 C CNN
F 2 "" H 1300 1700 60  0000 C CNN
F 3 "" H 1300 1700 60  0000 C CNN
	1    1300 1700
	1    0    0    -1  
$EndComp
$Comp
L C C8
U 1 1 5561F15C
P 1300 1550
F 0 "C8" H 1325 1650 50  0000 L CNN
F 1 "100nF" H 1325 1450 50  0000 L CNN
F 2 "DonB:C_0805_HandSoldering" H 1338 1400 30  0001 C CNN
F 3 "" H 1300 1550 60  0000 C CNN
	1    1300 1550
	1    0    0    -1  
$EndComp
NoConn ~ 1600 2150
NoConn ~ 1600 2250
$Comp
L C C7
U 1 1 5561F259
P 1300 950
F 0 "C7" H 1325 1050 50  0000 L CNN
F 1 "100nF" H 1325 850 50  0000 L CNN
F 2 "DonB:C_0805_HandSoldering" H 1338 800 30  0001 C CNN
F 3 "" H 1300 950 60  0000 C CNN
	1    1300 950 
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR07
U 1 1 5561F2AD
P 1300 1100
F 0 "#PWR07" H 1300 850 50  0001 C CNN
F 1 "GND" H 1400 950 50  0000 C CNN
F 2 "" H 1300 1100 60  0000 C CNN
F 3 "" H 1300 1100 60  0000 C CNN
	1    1300 1100
	1    0    0    -1  
$EndComp
$Comp
L Crystal Y1
U 1 1 5561F562
P 4600 1450
F 0 "Y1" H 4600 1600 50  0000 C CNN
F 1 "8MHz" H 4600 1300 50  0000 C CNN
F 2 "Crystals:Crystal_HC49-SD_SMD" H 4600 1450 60  0001 C CNN
F 3 "" H 4600 1450 60  0000 C CNN
	1    4600 1450
	0    1    1    0   
$EndComp
$Comp
L C C11
U 1 1 5561F5F6
P 4950 1300
F 0 "C11" H 4975 1400 50  0000 L CNN
F 1 "33pF" H 4975 1200 50  0000 L CNN
F 2 "DonB:C_0805_HandSoldering" H 4988 1150 30  0001 C CNN
F 3 "" H 4950 1300 60  0000 C CNN
	1    4950 1300
	0    1    1    0   
$EndComp
$Comp
L C C12
U 1 1 5561F66B
P 4950 1600
F 0 "C12" H 4975 1700 50  0000 L CNN
F 1 "33pF" H 4975 1500 50  0000 L CNN
F 2 "DonB:C_0805_HandSoldering" H 4988 1450 30  0001 C CNN
F 3 "" H 4950 1600 60  0000 C CNN
	1    4950 1600
	0    1    1    0   
$EndComp
$Comp
L GND #PWR08
U 1 1 5561F766
P 5150 1450
F 0 "#PWR08" H 5150 1200 50  0001 C CNN
F 1 "GND" H 5250 1300 50  0000 C CNN
F 2 "" H 5150 1450 60  0000 C CNN
F 3 "" H 5150 1450 60  0000 C CNN
	1    5150 1450
	0    -1   -1   0   
$EndComp
Text GLabel 4000 900  2    50   Input ~ 0
led_rx
Text GLabel 4000 1000 2    50   Input ~ 0
led_tx
Text GLabel 4000 1100 2    50   Input ~ 0
mosi
Text GLabel 4000 1200 2    50   Input ~ 0
miso
Text GLabel 4000 1300 2    50   Input ~ 0
sck
Text GLabel 4000 2400 2    50   Input ~ 0
rx328
Text GLabel 4000 2500 2    50   Input ~ 0
tx328
Text GLabel 4000 2700 2    50   Input ~ 0
ptt
Text GLabel 4000 2800 2    50   Input ~ 0
sig_out_1
Text GLabel 4000 2900 2    50   Input ~ 0
sig_out_2
Text GLabel 4000 3000 2    50   Input ~ 0
sig_out_3
Text GLabel 4000 3100 2    50   Input ~ 0
sig_out_4
$Comp
L LED D2
U 1 1 55620513
P 2350 3650
F 0 "D2" H 2350 3750 50  0000 C CNN
F 1 "LED" H 2350 3550 50  0000 C CNN
F 2 "LEDs:LED-0805" H 2350 3650 60  0001 C CNN
F 3 "" H 2350 3650 60  0000 C CNN
	1    2350 3650
	-1   0    0    1   
$EndComp
$Comp
L LED D3
U 1 1 5562057A
P 2350 4000
F 0 "D3" H 2350 4100 50  0000 C CNN
F 1 "LED" H 2350 3900 50  0000 C CNN
F 2 "LEDs:LED-0805" H 2350 4000 60  0001 C CNN
F 3 "" H 2350 4000 60  0000 C CNN
	1    2350 4000
	-1   0    0    1   
$EndComp
$Comp
L R R10
U 1 1 55620715
P 2800 3650
F 0 "R10" V 2880 3650 50  0000 C CNN
F 1 "1K" V 2800 3650 50  0000 C CNN
F 2 "DonB:R_0805_HandSoldering" V 2730 3650 30  0001 C CNN
F 3 "" H 2800 3650 30  0000 C CNN
	1    2800 3650
	0    1    1    0   
$EndComp
$Comp
L R R11
U 1 1 55620778
P 2800 4000
F 0 "R11" V 2880 4000 50  0000 C CNN
F 1 "1K" V 2800 4000 50  0000 C CNN
F 2 "DonB:R_0805_HandSoldering" V 2730 4000 30  0001 C CNN
F 3 "" H 2800 4000 30  0000 C CNN
	1    2800 4000
	0    1    1    0   
$EndComp
$Comp
L GND #PWR09
U 1 1 55620854
P 3050 3650
F 0 "#PWR09" H 3050 3400 50  0001 C CNN
F 1 "GND" V 3050 3450 50  0000 C CNN
F 2 "" H 3050 3650 60  0000 C CNN
F 3 "" H 3050 3650 60  0000 C CNN
	1    3050 3650
	0    -1   -1   0   
$EndComp
$Comp
L GND #PWR010
U 1 1 556208CF
P 3050 4000
F 0 "#PWR010" H 3050 3750 50  0001 C CNN
F 1 "GND" V 3050 3800 50  0000 C CNN
F 2 "" H 3050 4000 60  0000 C CNN
F 3 "" H 3050 4000 60  0000 C CNN
	1    3050 4000
	0    -1   -1   0   
$EndComp
Text GLabel 2050 3650 0    50   Input ~ 0
led_tx
Text GLabel 2050 4000 0    50   Input ~ 0
led_rx
Text Notes 2800 4400 2    100  ~ 0
Processor
$Comp
L R R5
U 1 1 5562156D
P 1950 5100
F 0 "R5" V 2030 5100 50  0000 C CNN
F 1 "8.2K" V 1950 5100 50  0000 C CNN
F 2 "DonB:R_0805_HandSoldering" V 1880 5100 30  0001 C CNN
F 3 "" H 1950 5100 30  0000 C CNN
	1    1950 5100
	0    1    1    0   
$EndComp
$Comp
L R R6
U 1 1 5562162D
P 1950 5300
F 0 "R6" V 2030 5300 50  0000 C CNN
F 1 "3.9K" V 1950 5300 50  0000 C CNN
F 2 "DonB:R_0805_HandSoldering" V 1880 5300 30  0001 C CNN
F 3 "" H 1950 5300 30  0000 C CNN
	1    1950 5300
	0    1    1    0   
$EndComp
$Comp
L R R7
U 1 1 5562168D
P 1950 5500
F 0 "R7" V 2030 5500 50  0000 C CNN
F 1 "2.2K" V 1950 5500 50  0000 C CNN
F 2 "DonB:R_0805_HandSoldering" V 1880 5500 30  0001 C CNN
F 3 "" H 1950 5500 30  0000 C CNN
	1    1950 5500
	0    1    1    0   
$EndComp
$Comp
L R R8
U 1 1 556216E7
P 1950 5700
F 0 "R8" V 2030 5700 50  0000 C CNN
F 1 "1K" V 1950 5700 50  0000 C CNN
F 2 "DonB:R_0805_HandSoldering" V 1880 5700 30  0001 C CNN
F 3 "" H 1950 5700 30  0000 C CNN
	1    1950 5700
	0    1    1    0   
$EndComp
$Comp
L R R9
U 1 1 556217C7
P 2300 6050
F 0 "R9" V 2380 6050 50  0000 C CNN
F 1 "270R" V 2300 6050 50  0000 C CNN
F 2 "DonB:R_0805_HandSoldering" V 2230 6050 30  0001 C CNN
F 3 "" H 2300 6050 30  0000 C CNN
	1    2300 6050
	1    0    0    -1  
$EndComp
$Comp
L C C9
U 1 1 5562186B
P 2600 6050
F 0 "C9" H 2625 6150 50  0000 L CNN
F 1 "100nF" H 2625 5950 50  0000 L CNN
F 2 "DonB:C_0805_HandSoldering" H 2638 5900 30  0001 C CNN
F 3 "" H 2600 6050 60  0000 C CNN
	1    2600 6050
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR011
U 1 1 55621ADB
P 2300 6350
F 0 "#PWR011" H 2300 6100 50  0001 C CNN
F 1 "GND" H 2200 6200 50  0000 C CNN
F 2 "" H 2300 6350 60  0000 C CNN
F 3 "" H 2300 6350 60  0000 C CNN
	1    2300 6350
	1    0    0    -1  
$EndComp
$Comp
L C C10
U 1 1 55621F2B
P 2900 5000
F 0 "C10" H 2925 5100 50  0000 L CNN
F 1 "1uF" H 2925 4900 50  0000 L CNN
F 2 "DonB:C_0805_HandSoldering" H 2938 4850 30  0001 C CNN
F 3 "" H 2900 5000 60  0000 C CNN
	1    2900 5000
	0    1    1    0   
$EndComp
$Comp
L R R12
U 1 1 5562202B
P 3400 5350
F 0 "R12" V 3480 5350 50  0000 C CNN
F 1 "15K" V 3400 5350 50  0000 C CNN
F 2 "DonB:R_0805_HandSoldering" V 3330 5350 30  0001 C CNN
F 3 "" H 3400 5350 30  0000 C CNN
	1    3400 5350
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR012
U 1 1 5562235D
P 3400 6350
F 0 "#PWR012" H 3400 6100 50  0001 C CNN
F 1 "GND" H 3300 6200 50  0000 C CNN
F 2 "" H 3400 6350 60  0000 C CNN
F 3 "" H 3400 6350 60  0000 C CNN
	1    3400 6350
	1    0    0    -1  
$EndComp
Text GLabel 3800 5700 2    50   Input ~ 0
mic_out
Text GLabel 1500 5100 0    50   Input ~ 0
sig_out_1
Text GLabel 1500 5300 0    50   Input ~ 0
sig_out_2
Text GLabel 1500 5500 0    50   Input ~ 0
sig_out_3
Text GLabel 1500 5700 0    50   Input ~ 0
sig_out_4
Text Notes 3800 6950 2    100  ~ 0
Digital-to-analog (TX section)
Text GLabel 7900 1500 0    50   Input ~ 0
txNav
Text GLabel 7900 1400 0    50   Input ~ 0
rxNav
NoConn ~ 8300 1600
NoConn ~ 8300 2300
NoConn ~ 8300 2500
NoConn ~ 9450 2500
NoConn ~ 9450 2400
Text GLabel 4000 2250 2    50   Input ~ 0
rst
Text GLabel 9700 2000 2    50   Input ~ 0
rst
Text GLabel 9700 1900 2    50   Input ~ 0
sck
Text GLabel 7900 1900 0    50   Input ~ 0
mosi
Text GLabel 7900 1800 0    50   Input ~ 0
miso
$Comp
L +BATT #PWR013
U 1 1 55627D7C
P 5550 2950
F 0 "#PWR013" H 5550 2800 50  0001 C CNN
F 1 "+BATT" V 5550 3200 50  0000 C CNN
F 2 "" H 5550 2950 60  0000 C CNN
F 3 "" H 5550 2950 60  0000 C CNN
	1    5550 2950
	0    -1   -1   0   
$EndComp
$Comp
L R R16
U 1 1 55627E9D
P 5850 2950
F 0 "R16" V 5930 2950 50  0000 C CNN
F 1 "1M" V 5850 2950 50  0000 C CNN
F 2 "DonB:R_0805_HandSoldering" V 5780 2950 30  0001 C CNN
F 3 "" H 5850 2950 30  0000 C CNN
	1    5850 2950
	0    1    1    0   
$EndComp
$Comp
L R R17
U 1 1 55627F2E
P 6350 2950
F 0 "R17" V 6430 2950 50  0000 C CNN
F 1 "100K" V 6350 2950 50  0000 C CNN
F 2 "DonB:R_0805_HandSoldering" V 6280 2950 30  0001 C CNN
F 3 "" H 6350 2950 30  0000 C CNN
	1    6350 2950
	0    1    1    0   
$EndComp
$Comp
L GND #PWR014
U 1 1 55627FBC
P 6700 2950
F 0 "#PWR014" H 6700 2700 50  0001 C CNN
F 1 "GND" H 6800 2800 50  0000 C CNN
F 2 "" H 6700 2950 60  0000 C CNN
F 3 "" H 6700 2950 60  0000 C CNN
	1    6700 2950
	0    -1   -1   0   
$EndComp
Text GLabel 6100 3200 2    50   Input ~ 0
a1
$Sheet
S 5150 5450 850  150 
U 5562A9B4
F0 "Supply_3.3V" 100
F1 "file5562A9B3.sch" 100
$EndSheet
Wire Wire Line
	9450 1400 9700 1400
Wire Wire Line
	9450 1600 9700 1600
Wire Wire Line
	9450 1700 9700 1700
Wire Wire Line
	1100 800  1600 800 
Wire Wire Line
	1600 800  1600 1100
Connection ~ 1600 900 
Wire Wire Line
	1350 2900 1600 2900
Wire Wire Line
	1600 2900 1600 3100
Connection ~ 1600 3000
Wire Wire Line
	3500 2900 4000 2900
Wire Wire Line
	3500 3000 4000 3000
Wire Wire Line
	3500 3100 4000 3100
Wire Wire Line
	3500 2800 4000 2800
Wire Wire Line
	1600 1400 1300 1400
Wire Wire Line
	3500 1300 4000 1300
Wire Wire Line
	3500 2700 4000 2700
Wire Wire Line
	3500 2400 4000 2400
Wire Wire Line
	3500 2500 4000 2500
Wire Wire Line
	3500 1400 4400 1400
Wire Wire Line
	4400 1400 4400 1300
Wire Wire Line
	4400 1300 4800 1300
Wire Wire Line
	3500 1500 4400 1500
Wire Wire Line
	4400 1500 4400 1600
Wire Wire Line
	4400 1600 4800 1600
Connection ~ 4600 1600
Connection ~ 4600 1300
Wire Wire Line
	5100 1300 5100 1600
Wire Wire Line
	5100 1450 5150 1450
Connection ~ 5100 1450
Wire Wire Line
	3500 900  4000 900 
Wire Wire Line
	3500 1000 4000 1000
Wire Wire Line
	3500 1100 4000 1100
Wire Wire Line
	3500 1200 4000 1200
Wire Wire Line
	2550 3650 2650 3650
Wire Wire Line
	2550 4000 2650 4000
Wire Wire Line
	2950 3650 3050 3650
Wire Wire Line
	2950 4000 3050 4000
Wire Wire Line
	2150 3650 2050 3650
Wire Wire Line
	2150 4000 2050 4000
Wire Wire Line
	2100 5100 2300 5100
Wire Wire Line
	2300 5100 2300 5900
Wire Wire Line
	2100 5300 2300 5300
Connection ~ 2300 5300
Wire Wire Line
	2100 5500 2300 5500
Connection ~ 2300 5500
Wire Wire Line
	2100 5700 2750 5700
Connection ~ 2300 5700
Wire Wire Line
	2600 5700 2600 5900
Wire Wire Line
	2300 6200 2300 6350
Wire Wire Line
	2600 6200 2600 6300
Wire Wire Line
	2600 6300 2300 6300
Connection ~ 2300 6300
Connection ~ 2600 5700
Wire Wire Line
	3400 5000 3400 5200
Wire Wire Line
	3400 6200 3400 6350
Wire Wire Line
	3400 5500 3400 5900
Wire Wire Line
	3400 5700 3800 5700
Connection ~ 3400 5700
Wire Wire Line
	1800 5100 1500 5100
Wire Wire Line
	1800 5300 1500 5300
Wire Wire Line
	1800 5500 1500 5500
Wire Wire Line
	1800 5700 1500 5700
Wire Wire Line
	8300 1400 7900 1400
Wire Wire Line
	8300 1500 7900 1500
Wire Wire Line
	9450 1900 9700 1900
Wire Wire Line
	9450 2000 9700 2000
Wire Wire Line
	3500 2250 4000 2250
Wire Wire Line
	8300 1800 7900 1800
Wire Wire Line
	8300 1900 7900 1900
Wire Wire Line
	5550 2950 5700 2950
Wire Wire Line
	6000 2950 6200 2950
Wire Wire Line
	6500 2950 6700 2950
Wire Wire Line
	6100 2950 6100 3200
Connection ~ 6100 2950
Text GLabel 9700 2200 2    50   Input ~ 0
serial328
Wire Wire Line
	9450 2200 9700 2200
$Sheet
S 5150 5900 850  150 
U 55672A6F
F0 "Serial_Switch" 100
F1 "file55672A6E.sch" 100
$EndSheet
Text GLabel 9700 2300 2    50   Input ~ 0
serialRadio
Wire Wire Line
	9450 2300 9700 2300
Text GLabel 9700 2100 2    50   Input ~ 0
powerSave
Text GLabel 7900 1700 0    50   Input ~ 0
ptt
Wire Wire Line
	7900 1700 8300 1700
Wire Wire Line
	9450 2100 9700 2100
Wire Wire Line
	3500 1750 4000 1750
Text GLabel 4000 1750 2    50   Input ~ 0
a1
NoConn ~ 3500 1850
NoConn ~ 3500 1950
$Comp
L +BATT #PWR015
U 1 1 5567D119
P 5700 4200
F 0 "#PWR015" H 5700 4050 50  0001 C CNN
F 1 "+BATT" V 5700 4450 50  0000 C CNN
F 2 "" H 5700 4200 60  0000 C CNN
F 3 "" H 5700 4200 60  0000 C CNN
	1    5700 4200
	1    0    0    -1  
$EndComp
$Comp
L +3.3VP #PWR016
U 1 1 5567D2D4
P 5900 4200
F 0 "#PWR016" H 6050 4150 50  0001 C CNN
F 1 "+3.3VP" V 5900 4450 50  0000 C CNN
F 2 "" H 5900 4200 60  0000 C CNN
F 3 "" H 5900 4200 60  0000 C CNN
	1    5900 4200
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR017
U 1 1 5567D371
P 6100 4400
F 0 "#PWR017" H 6100 4150 50  0001 C CNN
F 1 "GND" V 6100 4150 50  0000 C CNN
F 2 "" H 6100 4400 60  0000 C CNN
F 3 "" H 6100 4400 60  0000 C CNN
	1    6100 4400
	1    0    0    -1  
$EndComp
$Comp
L PWR_FLAG #FLG018
U 1 1 5567D40F
P 5700 4400
F 0 "#FLG018" H 5700 4495 50  0001 C CNN
F 1 "PWR_FLAG" V 5700 4800 50  0000 C CNN
F 2 "" H 5700 4400 60  0000 C CNN
F 3 "" H 5700 4400 60  0000 C CNN
	1    5700 4400
	-1   0    0    1   
$EndComp
$Comp
L PWR_FLAG #FLG019
U 1 1 5567D497
P 5900 4400
F 0 "#FLG019" H 5900 4495 50  0001 C CNN
F 1 "PWR_FLAG" V 5900 4800 50  0000 C CNN
F 2 "" H 5900 4400 60  0000 C CNN
F 3 "" H 5900 4400 60  0000 C CNN
	1    5900 4400
	-1   0    0    1   
$EndComp
$Comp
L PWR_FLAG #FLG020
U 1 1 5567D66A
P 6100 4200
F 0 "#FLG020" H 6100 4295 50  0001 C CNN
F 1 "PWR_FLAG" V 6100 4600 50  0000 C CNN
F 2 "" H 6100 4200 60  0000 C CNN
F 3 "" H 6100 4200 60  0000 C CNN
	1    6100 4200
	1    0    0    -1  
$EndComp
Wire Wire Line
	5700 4200 5700 4400
Wire Wire Line
	5900 4200 5900 4400
Wire Wire Line
	6100 4200 6100 4400
Connection ~ 1300 800 
Text Notes 6100 3350 0    50   ~ 0
Voltage detection
$Comp
L TESTPAD P2
U 1 1 5568D79B
P 7750 5200
F 0 "P2" H 7750 5000 60  0000 C CNN
F 1 "txRadio" H 7750 5400 60  0000 C CNN
F 2 "DonB:TESTPIN" H 7750 5200 60  0001 C CNN
F 3 "" H 7750 5200 60  0000 C CNN
	1    7750 5200
	-1   0    0    1   
$EndComp
$Comp
L TESTPAD P1
U 1 1 5568D7A2
P 7750 4600
F 0 "P1" H 7750 4400 60  0000 C CNN
F 1 "mic_out" H 7750 4800 60  0000 C CNN
F 2 "DonB:TESTPIN" H 7750 4600 60  0001 C CNN
F 3 "" H 7750 4600 60  0000 C CNN
	1    7750 4600
	-1   0    0    1   
$EndComp
$Comp
L TESTPAD P4
U 1 1 5568D7A9
P 8250 5200
F 0 "P4" H 8250 5000 60  0000 C CNN
F 1 "GND" H 8250 5400 60  0000 C CNN
F 2 "DonB:TESTPIN" H 8250 5200 60  0001 C CNN
F 3 "" H 8250 5200 60  0000 C CNN
	1    8250 5200
	-1   0    0    1   
$EndComp
$Comp
L TESTPAD P3
U 1 1 5568D7B0
P 8250 4600
F 0 "P3" H 8250 4400 60  0000 C CNN
F 1 "rxRadio" H 8250 4800 60  0000 C CNN
F 2 "DonB:TESTPIN" H 8250 4600 60  0001 C CNN
F 3 "" H 8250 4600 60  0000 C CNN
	1    8250 4600
	-1   0    0    1   
$EndComp
$Comp
L TESTPAD P6
U 1 1 5568D7B7
P 8750 5200
F 0 "P6" H 8750 5000 60  0000 C CNN
F 1 "+3.3V" H 8750 5400 60  0000 C CNN
F 2 "DonB:TESTPIN" H 8750 5200 60  0001 C CNN
F 3 "" H 8750 5200 60  0000 C CNN
	1    8750 5200
	-1   0    0    1   
$EndComp
$Comp
L TESTPAD P5
U 1 1 5568D7BE
P 8750 4600
F 0 "P5" H 8750 4400 60  0000 C CNN
F 1 "GND" H 8750 4800 60  0000 C CNN
F 2 "DonB:TESTPIN" H 8750 4600 60  0001 C CNN
F 3 "" H 8750 4600 60  0000 C CNN
	1    8750 4600
	-1   0    0    1   
$EndComp
$Comp
L TESTPAD P8
U 1 1 5568D7C5
P 9250 5200
F 0 "P8" H 9250 5000 60  0000 C CNN
F 1 "powerSave" H 9250 5400 60  0000 C CNN
F 2 "DonB:TESTPIN" H 9250 5200 60  0001 C CNN
F 3 "" H 9250 5200 60  0000 C CNN
	1    9250 5200
	-1   0    0    1   
$EndComp
$Comp
L TESTPAD P7
U 1 1 5568D7CC
P 9250 4600
F 0 "P7" H 9250 4400 60  0000 C CNN
F 1 "ptt" H 9250 4800 60  0000 C CNN
F 2 "DonB:TESTPIN" H 9250 4600 60  0001 C CNN
F 3 "" H 9250 4600 60  0000 C CNN
	1    9250 4600
	-1   0    0    1   
$EndComp
$Comp
L TESTPAD P10
U 1 1 5568D7D3
P 9750 5200
F 0 "P10" H 9750 5000 60  0000 C CNN
F 1 "af_out" H 9750 5400 60  0000 C CNN
F 2 "DonB:TESTPIN" H 9750 5200 60  0001 C CNN
F 3 "" H 9750 5200 60  0000 C CNN
	1    9750 5200
	-1   0    0    1   
$EndComp
$Comp
L TESTPAD P9
U 1 1 5568D7DA
P 9750 4600
F 0 "P9" H 9750 4400 60  0000 C CNN
F 1 "sq" H 9750 4800 60  0000 C CNN
F 2 "DonB:TESTPIN" H 9750 4600 60  0001 C CNN
F 3 "" H 9750 4600 60  0000 C CNN
	1    9750 4600
	-1   0    0    1   
$EndComp
Text GLabel 7750 4200 0    50   Input ~ 0
mic_out
Text GLabel 7750 5700 0    50   Input ~ 0
txRadio
Text GLabel 8250 4200 0    50   Input ~ 0
rxRadio
$Comp
L GND #PWR021
U 1 1 5568D7E4
P 8250 5700
F 0 "#PWR021" H 8250 5450 50  0001 C CNN
F 1 "GND" H 8150 5600 50  0000 C CNN
F 2 "" H 8250 5700 60  0000 C CNN
F 3 "" H 8250 5700 60  0000 C CNN
	1    8250 5700
	1    0    0    -1  
$EndComp
$Comp
L +3.3VP #PWR022
U 1 1 5568D7EA
P 8750 5700
F 0 "#PWR022" H 8900 5650 50  0001 C CNN
F 1 "+3.3VP" H 8750 5800 50  0000 C CNN
F 2 "" H 8750 5700 60  0000 C CNN
F 3 "" H 8750 5700 60  0000 C CNN
	1    8750 5700
	-1   0    0    1   
$EndComp
Text GLabel 9750 4200 2    50   Input ~ 0
sq
Text GLabel 9750 5700 2    50   Input ~ 0
af_out
Text GLabel 9250 4200 2    50   Input ~ 0
ptt
Text GLabel 9250 5700 2    50   Input ~ 0
powerSave
$Comp
L GND #PWR023
U 1 1 5568D7F4
P 8750 4200
F 0 "#PWR023" H 8750 3950 50  0001 C CNN
F 1 "GND" H 8650 4100 50  0000 C CNN
F 2 "" H 8750 4200 60  0000 C CNN
F 3 "" H 8750 4200 60  0000 C CNN
	1    8750 4200
	-1   0    0    1   
$EndComp
Wire Wire Line
	7750 4200 7750 4600
Wire Wire Line
	7750 5200 7750 5700
Wire Wire Line
	8250 4600 8250 4200
Wire Wire Line
	8250 5200 8250 5700
Wire Wire Line
	8750 5200 8750 5700
Wire Wire Line
	8750 4600 8750 4200
Wire Wire Line
	9250 4200 9250 4600
Wire Wire Line
	9250 5200 9250 5700
Wire Wire Line
	9750 4600 9750 4200
Wire Wire Line
	9750 5200 9750 5700
Text Notes 7950 3900 0    100  ~ 0
Radio Board Header
NoConn ~ 3500 800 
NoConn ~ 3500 2050
NoConn ~ 3500 2150
NoConn ~ 9450 1800
NoConn ~ 8300 2000
NoConn ~ 8300 2200
NoConn ~ 8300 2100
Text Notes 9700 4100 0    50   ~ 0
(N/C)
NoConn ~ 3500 2600
NoConn ~ 8300 2400
$Sheet
S 5150 6400 850  150 
U 5569A3BC
F0 "RadioAudioOut" 100
F1 "RadioAudioOut.sch" 100
$EndSheet
Text GLabel 3850 1650 2    50   Input ~ 0
sig_in_off
Wire Wire Line
	3500 1650 3850 1650
$Comp
L +3.3V #PWR024
U 1 1 5569BA9A
P 5550 2650
F 0 "#PWR024" H 5550 2500 50  0001 C CNN
F 1 "+3.3V" V 5550 2900 50  0000 C CNN
F 2 "" H 5550 2650 60  0000 C CNN
F 3 "" H 5550 2650 60  0000 C CNN
	1    5550 2650
	0    -1   -1   0   
$EndComp
$Comp
L R R18
U 1 1 5569BC25
P 5850 2650
F 0 "R18" V 5930 2650 50  0000 C CNN
F 1 "4.7K" V 5850 2650 50  0000 C CNN
F 2 "DonB:R_0805_HandSoldering" V 5780 2650 30  0001 C CNN
F 3 "" H 5850 2650 30  0000 C CNN
	1    5850 2650
	0    1    1    0   
$EndComp
Wire Wire Line
	5550 2650 5700 2650
Text GLabel 6200 2650 2    50   Input ~ 0
rst
Wire Wire Line
	6000 2650 6200 2650
NoConn ~ 9750 4600
Wire Wire Line
	2750 5700 2750 5000
Wire Wire Line
	3050 5000 3400 5000
$Comp
L C C14
U 1 1 55981565
P 3400 6050
F 0 "C14" H 3425 6150 50  0000 L CNN
F 1 "2.2nF" H 3425 5950 50  0000 L CNN
F 2 "DonB:C_0805_HandSoldering" H 3438 5900 30  0001 C CNN
F 3 "" H 3400 6050 60  0000 C CNN
	1    3400 6050
	1    0    0    -1  
$EndComp
$EndSCHEMATC