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:DRA818daughter-cache EELAYER 25 0 EELAYER END $Descr A4 11693 8268 encoding utf-8 Sheet 1 1 Title "" Date "" Rev "" Comp "" Comment1 "" Comment2 "" Comment3 "" Comment4 "" $EndDescr $Comp L DRA818 U1 U 1 1 55686DEC P 5800 4250 F 0 "U1" H 5800 4800 60 0000 C CNN F 1 "DRA818" H 5800 4950 60 0000 C CNN F 2 "DonB:DRA818" H 5800 4250 60 0001 C CNN F 3 "" H 5800 4250 60 0000 C CNN 1 5800 4250 1 0 0 -1 $EndComp $Comp L +3.3VP #PWR01 U 1 1 55686DF3 P 5950 5000 F 0 "#PWR01" H 6100 4950 50 0001 C CNN F 1 "+3.3VP" H 5950 5100 50 0000 C CNN F 2 "" H 5950 5000 60 0000 C CNN F 3 "" H 5950 5000 60 0000 C CNN 1 5950 5000 -1 0 0 1 $EndComp $Comp L GND #PWR02 U 1 1 55686DF9 P 5750 5000 F 0 "#PWR02" H 5750 4750 50 0001 C CNN F 1 "GND" H 5650 4900 50 0000 C CNN F 2 "" H 5750 5000 60 0000 C CNN F 3 "" H 5750 5000 60 0000 C CNN 1 5750 5000 1 0 0 -1 $EndComp Text GLabel 3200 3900 0 50 Input ~ 0 mic_out $Comp L BNC P1 U 1 1 55686E00 P 3400 4500 F 0 "P1" H 3410 4620 50 0000 C CNN F 1 "SMA" V 3510 4440 50 0000 C CNN F 2 "DonB:SMA-142-0701-201" H 3400 4500 60 0001 C CNN F 3 "" H 3400 4500 60 0000 C CNN 1 3400 4500 -1 0 0 -1 $EndComp $Comp L GND #PWR03 U 1 1 55686E07 P 3400 5000 F 0 "#PWR03" H 3400 4750 50 0001 C CNN F 1 "GND" H 3300 4900 50 0000 C CNN F 2 "" H 3400 5000 60 0000 C CNN F 3 "" H 3400 5000 60 0000 C CNN 1 3400 5000 1 0 0 -1 $EndComp Text GLabel 6700 4300 2 50 Input ~ 0 ptt $Comp L R R1 U 1 1 55686E0E P 6850 4500 F 0 "R1" V 6750 4500 50 0000 C CNN F 1 "0R" V 6850 4500 50 0000 C CNN F 2 "DonB:R_0805_HandSoldering" V 6780 4500 30 0001 C CNN F 3 "" H 6850 4500 30 0000 C CNN 1 6850 4500 0 -1 -1 0 $EndComp $Comp L GND #PWR04 U 1 1 55686E15 P 7100 4600 F 0 "#PWR04" H 7100 4350 50 0001 C CNN F 1 "GND" H 7000 4500 50 0000 C CNN F 2 "" H 7100 4600 60 0000 C CNN F 3 "" H 7100 4600 60 0000 C CNN 1 7100 4600 1 0 0 -1 $EndComp Wire Wire Line 5950 4850 5950 5000 Wire Wire Line 5750 4850 5750 5000 Wire Wire Line 5850 4850 5850 4950 Wire Wire Line 5850 4950 5750 4950 Connection ~ 5750 4950 Wire Wire Line 3750 3900 5200 3900 Wire Wire Line 4500 4500 5200 4500 Wire Wire Line 3400 4700 3400 5000 Wire Wire Line 6400 4300 6700 4300 Wire Wire Line 6700 4500 6400 4500 Wire Wire Line 7000 4500 7100 4500 Wire Wire Line 7100 4500 7100 4600 Text GLabel 4900 4000 0 50 Input ~ 0 txRadio Text GLabel 4900 4100 0 50 Input ~ 0 rxRadio Wire Wire Line 4900 4000 5200 4000 Wire Wire Line 4900 4100 5200 4100 Text GLabel 6700 4400 2 50 Input ~ 0 powerSave Wire Wire Line 6400 4400 6700 4400 Text GLabel 6700 4100 2 50 Input ~ 0 af_out Text GLabel 6700 3900 2 50 Input ~ 0 sq Wire Wire Line 6400 3900 6700 3900 Wire Wire Line 6700 4100 6400 4100 $Comp L C C1 U 1 1 55686E31 P 6700 5050 F 0 "C1" H 6725 5150 50 0000 L CNN F 1 "10uF" H 6725 4950 50 0000 L CNN F 2 "DonB:C_0805_HandSoldering" H 6738 4900 30 0001 C CNN F 3 "" H 6700 5050 60 0000 C CNN 1 6700 5050 1 0 0 -1 $EndComp Wire Wire Line 5950 4900 6700 4900 Connection ~ 5950 4900 $Comp L GND #PWR05 U 1 1 55686E3A P 6700 5300 F 0 "#PWR05" H 6700 5050 50 0001 C CNN F 1 "GND" H 6600 5200 50 0000 C CNN F 2 "" H 6700 5300 60 0000 C CNN F 3 "" H 6700 5300 60 0000 C CNN 1 6700 5300 1 0 0 -1 $EndComp Wire Wire Line 6700 5200 6700 5300 $Comp L TESTPAD P3 U 1 1 55686F44 P 4800 2700 F 0 "P3" H 4800 2500 60 0000 C CNN F 1 "txRadio" H 4800 2900 60 0000 C CNN F 2 "DonB:TESTPIN" H 4800 2700 60 0001 C CNN F 3 "" H 4800 2700 60 0000 C CNN 1 4800 2700 -1 0 0 1 $EndComp $Comp L TESTPAD P2 U 1 1 55686FF1 P 4800 2100 F 0 "P2" H 4800 1900 60 0000 C CNN F 1 "mic_out" H 4800 2300 60 0000 C CNN F 2 "DonB:TESTPIN" H 4800 2100 60 0001 C CNN F 3 "" H 4800 2100 60 0000 C CNN 1 4800 2100 -1 0 0 1 $EndComp $Comp L TESTPAD P5 U 1 1 55687027 P 5300 2700 F 0 "P5" H 5300 2500 60 0000 C CNN F 1 "GND" H 5300 2900 60 0000 C CNN F 2 "DonB:TESTPIN" H 5300 2700 60 0001 C CNN F 3 "" H 5300 2700 60 0000 C CNN 1 5300 2700 -1 0 0 1 $EndComp $Comp L TESTPAD P4 U 1 1 55687067 P 5300 2100 F 0 "P4" H 5300 1900 60 0000 C CNN F 1 "rxRadio" H 5300 2300 60 0000 C CNN F 2 "DonB:TESTPIN" H 5300 2100 60 0001 C CNN F 3 "" H 5300 2100 60 0000 C CNN 1 5300 2100 -1 0 0 1 $EndComp $Comp L TESTPAD P7 U 1 1 556870A1 P 5800 2700 F 0 "P7" H 5800 2500 60 0000 C CNN F 1 "+3.3V" H 5800 2900 60 0000 C CNN F 2 "DonB:TESTPIN" H 5800 2700 60 0001 C CNN F 3 "" H 5800 2700 60 0000 C CNN 1 5800 2700 -1 0 0 1 $EndComp $Comp L TESTPAD P6 U 1 1 556870F1 P 5800 2100 F 0 "P6" H 5800 1900 60 0000 C CNN F 1 "GND" H 5800 2300 60 0000 C CNN F 2 "DonB:TESTPIN" H 5800 2100 60 0001 C CNN F 3 "" H 5800 2100 60 0000 C CNN 1 5800 2100 -1 0 0 1 $EndComp $Comp L TESTPAD P9 U 1 1 5568712F P 6300 2700 F 0 "P9" H 6300 2500 60 0000 C CNN F 1 "powerSave" H 6300 2900 60 0000 C CNN F 2 "DonB:TESTPIN" H 6300 2700 60 0001 C CNN F 3 "" H 6300 2700 60 0000 C CNN 1 6300 2700 -1 0 0 1 $EndComp $Comp L TESTPAD P8 U 1 1 5568716F P 6300 2100 F 0 "P8" H 6300 1900 60 0000 C CNN F 1 "ptt" H 6300 2300 60 0000 C CNN F 2 "DonB:TESTPIN" H 6300 2100 60 0001 C CNN F 3 "" H 6300 2100 60 0000 C CNN 1 6300 2100 -1 0 0 1 $EndComp $Comp L TESTPAD P11 U 1 1 556871B1 P 6800 2700 F 0 "P11" H 6800 2500 60 0000 C CNN F 1 "af_out" H 6800 2900 60 0000 C CNN F 2 "DonB:TESTPIN" H 6800 2700 60 0001 C CNN F 3 "" H 6800 2700 60 0000 C CNN 1 6800 2700 -1 0 0 1 $EndComp $Comp L TESTPAD P10 U 1 1 55687247 P 6800 2100 F 0 "P10" H 6800 1900 60 0000 C CNN F 1 "sq" H 6800 2300 60 0000 C CNN F 2 "DonB:TESTPIN" H 6800 2100 60 0001 C CNN F 3 "" H 6800 2100 60 0000 C CNN 1 6800 2100 -1 0 0 1 $EndComp Text GLabel 4800 1700 0 50 Input ~ 0 mic_out Text GLabel 4800 3200 0 50 Input ~ 0 txRadio Text GLabel 5300 1700 0 50 Input ~ 0 rxRadio $Comp L GND #PWR06 U 1 1 556882FB P 5300 3200 F 0 "#PWR06" H 5300 2950 50 0001 C CNN F 1 "GND" H 5200 3100 50 0000 C CNN F 2 "" H 5300 3200 60 0000 C CNN F 3 "" H 5300 3200 60 0000 C CNN 1 5300 3200 1 0 0 -1 $EndComp $Comp L +3.3VP #PWR07 U 1 1 5568836F P 5800 3200 F 0 "#PWR07" H 5950 3150 50 0001 C CNN F 1 "+3.3VP" H 5800 3300 50 0000 C CNN F 2 "" H 5800 3200 60 0000 C CNN F 3 "" H 5800 3200 60 0000 C CNN 1 5800 3200 -1 0 0 1 $EndComp Text GLabel 6800 1700 2 50 Input ~ 0 sq Text GLabel 6800 3200 2 50 Input ~ 0 af_out Text GLabel 6300 1700 2 50 Input ~ 0 ptt Text GLabel 6300 3200 2 50 Input ~ 0 powerSave $Comp L GND #PWR08 U 1 1 5568840E P 5800 1700 F 0 "#PWR08" H 5800 1450 50 0001 C CNN F 1 "GND" H 5700 1600 50 0000 C CNN F 2 "" H 5800 1700 60 0000 C CNN F 3 "" H 5800 1700 60 0000 C CNN 1 5800 1700 -1 0 0 1 $EndComp Wire Wire Line 4800 1700 4800 2100 Wire Wire Line 4800 2700 4800 3200 Wire Wire Line 5300 2100 5300 1700 Wire Wire Line 5300 2700 5300 3200 Wire Wire Line 5800 2700 5800 3200 Wire Wire Line 5800 2100 5800 1700 Wire Wire Line 6300 1700 6300 2100 Wire Wire Line 6300 2700 6300 3200 Wire Wire Line 6800 2100 6800 1700 Wire Wire Line 6800 2700 6800 3200 $Comp L C C2 U 1 1 5568A4BB P 6350 5050 F 0 "C2" H 6375 5150 50 0000 L CNN F 1 "100nF" H 6375 4950 50 0000 L CNN F 2 "DonB:C_0805_HandSoldering" H 6388 4900 30 0001 C CNN F 3 "" H 6350 5050 60 0000 C CNN 1 6350 5050 1 0 0 -1 $EndComp Connection ~ 6350 4900 Wire Wire Line 6350 5200 6350 5250 Wire Wire Line 6350 5250 6700 5250 Connection ~ 6700 5250 $Comp L GND #PWR09 U 1 1 5568AE1E P 8100 4600 F 0 "#PWR09" H 8100 4350 50 0001 C CNN F 1 "GND" H 8000 4500 50 0000 C CNN F 2 "" H 8100 4600 60 0000 C CNN F 3 "" H 8100 4600 60 0000 C CNN 1 8100 4600 1 0 0 -1 $EndComp $Comp L TESTPAD P12 U 1 1 5568AEB0 P 8100 4400 F 0 "P12" H 8100 4250 60 0000 C CNN F 1 "GND" H 8100 4550 60 0000 C CNN F 2 "DonB:PAD-3.35mm" H 8100 4400 60 0001 C CNN F 3 "" H 8100 4400 60 0000 C CNN 1 8100 4400 0 -1 -1 0 $EndComp Wire Wire Line 8100 4400 8100 4600 $Comp L GND #PWR010 U 1 1 5568B17E P 8550 4600 F 0 "#PWR010" H 8550 4350 50 0001 C CNN F 1 "GND" H 8450 4500 50 0000 C CNN F 2 "" H 8550 4600 60 0000 C CNN F 3 "" H 8550 4600 60 0000 C CNN 1 8550 4600 1 0 0 -1 $EndComp $Comp L TESTPAD P13 U 1 1 5568B184 P 8550 4400 F 0 "P13" H 8550 4250 60 0000 C CNN F 1 "GND" H 8550 4550 60 0000 C CNN F 2 "DonB:PAD-3.35mm" H 8550 4400 60 0001 C CNN F 3 "" H 8550 4400 60 0000 C CNN 1 8550 4400 0 -1 -1 0 $EndComp Wire Wire Line 8550 4400 8550 4600 Text Notes 7750 3950 0 100 ~ 0 Extra ground pads Text Notes 4900 1150 0 100 ~ 0 DRA818 Daughter Card $Comp L C C4 U 1 1 5589E6E8 P 4700 4650 F 0 "C4" H 4725 4750 50 0000 L CNN F 1 "20pF" H 4725 4550 50 0000 L CNN F 2 "DonB:C_0805_HandSoldering" H 4738 4500 30 0001 C CNN F 3 "" H 4700 4650 60 0000 C CNN 1 4700 4650 1 0 0 -1 $EndComp $Comp L C C3 U 1 1 5589E7C5 P 4050 4650 F 0 "C3" H 4075 4750 50 0000 L CNN F 1 "20pF" H 4075 4550 50 0000 L CNN F 2 "DonB:C_0805_HandSoldering" H 4088 4500 30 0001 C CNN F 3 "" H 4050 4650 60 0000 C CNN 1 4050 4650 1 0 0 -1 $EndComp $Comp L L_Small L1 U 1 1 5589E9BE P 4400 4500 F 0 "L1" H 4430 4540 50 0000 L CNN F 1 "56nH" H 4430 4460 50 0000 L CNN F 2 "DonB:C_0805_HandSoldering" H 4400 4500 60 0001 C CNN F 3 "" H 4400 4500 60 0000 C CNN 1 4400 4500 0 -1 -1 0 $EndComp Connection ~ 4700 4500 Wire Wire Line 3550 4500 4300 4500 Connection ~ 4050 4500 $Comp L GND #PWR011 U 1 1 5589EB30 P 4050 5000 F 0 "#PWR011" H 4050 4750 50 0001 C CNN F 1 "GND" H 3950 4900 50 0000 C CNN F 2 "" H 4050 5000 60 0000 C CNN F 3 "" H 4050 5000 60 0000 C CNN 1 4050 5000 1 0 0 -1 $EndComp $Comp L GND #PWR012 U 1 1 5589EB77 P 4700 5000 F 0 "#PWR012" H 4700 4750 50 0001 C CNN F 1 "GND" H 4600 4900 50 0000 C CNN F 2 "" H 4700 5000 60 0000 C CNN F 3 "" H 4700 5000 60 0000 C CNN 1 4700 5000 1 0 0 -1 $EndComp Wire Wire Line 4700 4800 4700 5000 Wire Wire Line 4050 4800 4050 5000 Text Notes 3400 5400 0 60 ~ 0 Values are for 2m low-pass Chebyshev filter.\n Text Notes 3400 5650 0 60 ~ 0 For 70cm: C4=C5=6.8pF, L1=18nH\n Wire Wire Line 3200 3900 3450 3900 $Comp L C C5 U 1 1 55913D67 P 3600 3900 F 0 "C5" H 3625 4000 50 0000 L CNN F 1 "1uF" H 3625 3800 50 0000 L CNN F 2 "DonB:C_0805_HandSoldering" H 3638 3750 30 0001 C CNN F 3 "" H 3600 3900 60 0000 C CNN 1 3600 3900 0 1 1 0 $EndComp $Comp L R R2 U 1 1 55913E89 P 4050 3750 F 0 "R2" V 4130 3750 50 0000 C CNN F 1 "P/U" V 4050 3750 50 0000 C CNN F 2 "DonB:R_0805_HandSoldering" V 3980 3750 30 0001 C CNN F 3 "" H 4050 3750 30 0000 C CNN 1 4050 3750 1 0 0 -1 $EndComp $Comp L R R3 U 1 1 55913F00 P 4050 4050 F 0 "R3" V 4130 4050 50 0000 C CNN F 1 "P/D" V 4050 4050 50 0000 C CNN F 2 "DonB:R_0805_HandSoldering" V 3980 4050 30 0001 C CNN F 3 "" H 4050 4050 30 0000 C CNN 1 4050 4050 1 0 0 -1 $EndComp $Comp L GND #PWR013 U 1 1 55913F76 P 4050 4200 F 0 "#PWR013" H 4050 3950 50 0001 C CNN F 1 "GND" H 3950 4100 50 0000 C CNN F 2 "" H 4050 4200 60 0000 C CNN F 3 "" H 4050 4200 60 0000 C CNN 1 4050 4200 1 0 0 -1 $EndComp $Comp L +3.3VP #PWR014 U 1 1 55914050 P 4050 3600 F 0 "#PWR014" H 4200 3550 50 0001 C CNN F 1 "+3.3VP" H 4050 3700 50 0000 C CNN F 2 "" H 4050 3600 60 0000 C CNN F 3 "" H 4050 3600 60 0000 C CNN 1 4050 3600 1 0 0 -1 $EndComp Connection ~ 4050 3900 $Comp L +3.3VP #PWR015 U 1 1 559155D3 P 2350 2500 F 0 "#PWR015" H 2500 2450 50 0001 C CNN F 1 "+3.3VP" H 2350 2600 50 0000 C CNN F 2 "" H 2350 2500 60 0000 C CNN F 3 "" H 2350 2500 60 0000 C CNN 1 2350 2500 1 0 0 -1 $EndComp $Comp L GND #PWR016 U 1 1 55915623 P 2900 2650 F 0 "#PWR016" H 2900 2400 50 0001 C CNN F 1 "GND" H 2800 2550 50 0000 C CNN F 2 "" H 2900 2650 60 0000 C CNN F 3 "" H 2900 2650 60 0000 C CNN 1 2900 2650 1 0 0 -1 $EndComp $Comp L PWR_FLAG #FLG017 U 1 1 559157CE P 2900 2600 F 0 "#FLG017" H 2900 2695 50 0001 C CNN F 1 "PWR_FLAG" H 2900 2780 50 0000 C CNN F 2 "" H 2900 2600 60 0000 C CNN F 3 "" H 2900 2600 60 0000 C CNN 1 2900 2600 1 0 0 -1 $EndComp $Comp L PWR_FLAG #FLG018 U 1 1 559158C6 P 2350 2550 F 0 "#FLG018" H 2350 2645 50 0001 C CNN F 1 "PWR_FLAG" H 2350 2730 50 0000 C CNN F 2 "" H 2350 2550 60 0000 C CNN F 3 "" H 2350 2550 60 0000 C CNN 1 2350 2550 -1 0 0 1 $EndComp Wire Wire Line 2350 2500 2350 2550 Wire Wire Line 2900 2600 2900 2650 $EndSCHEMATC