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:special 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:2.4GHZ_2450FB15L0001 LIBS:6multi LIBS:25q40b LIBS:1206network LIBS:4427 LIBS:5050RGB LIBS:7805 LIBS:7805to220 LIBS:a4447sljtr LIBS:adc-ltc2450 LIBS:ak5358b LIBS:ap1117 LIBS:atmega48_88_168_328_tqfp32 LIBS:atmega1284rfr2 LIBS:atmegax8pb LIBS:atmegaxu2 LIBS:atmel_kk LIBS:attiny441 LIBS:attiny441-qfn LIBS:attinyx4 LIBS:attinyx5 LIBS:avr6pin LIBS:avr_usb_3v3-cache LIBS:BELFuse_Ethernet LIBS:bluetoothedpa LIBS:bmp085 LIBS:bmp280 LIBS:bridge-MB2S-TP LIBS:crystal-4p LIBS:dmp2240udm LIBS:ds2438z LIBS:enc424j600 LIBS:esp12e LIBS:esp8266ex LIBS:esp8266-wi07-6 LIBS:exb-a LIBS:flipflop-sn74lvc1g175 LIBS:halleffect-tcs20dlr LIBS:ir2101 LIBS:l6470 LIBS:l6470-powerso36 LIBS:lis3mdl LIBS:lm386 LIBS:lsm9ds0 LIBS:lsm9ds1 LIBS:lsm303c LIBS:lsm303d LIBS:lsm303dlhc LIBS:ltc2471cms LIBS:ltv-846s LIBS:lvt-816s LIBS:mag3110 LIBS:max31855 LIBS:mcp1824_ct LIBS:mcp23008-qfn LIBS:mcp23008-soic LIBS:mfrc522 LIBS:microsd_1050270001 LIBS:mmpq2907a LIBS:mosdriver_ncp5901bmntbg LIBS:mosfet-lfpak56 LIBS:mosfetx2vdfn8 LIBS:mos_p_d2 LIBS:mpl3115a2 LIBS:neon14 LIBS:network0606 LIBS:nor-nc7sz02p5x LIBS:npn-2222 LIBS:opa832 LIBS:opamp_mcp6001t LIBS:opto2-ltv-826s LIBS:ov2640_ribbon LIBS:pfetsot223 LIBS:photomos LIBS:pl140c LIBS:resonator6smd LIBS:rn-cay16-f4 LIBS:rs485-isl3170 LIBS:stm32f207 LIBS:stm32f301 LIBS:stm32f303 LIBS:stm32f303_32 LIBS:tcs3x7x LIBS:um5k1ntr LIBS:ws2812b LIBS:ws_switch LIBS:xfrmr2x2 LIBS:zener-sot23-3 LIBS:jfet-n_sot-23 LIBS:tvs-bidirection LIBS:powerwatcher-cache EELAYER 27 0 EELAYER END $Descr A4 11693 8268 encoding utf-8 Sheet 1 1 Title "" Date "7 oct 2015" Rev "" Comp "" Comment1 "" Comment2 "" Comment3 "" Comment4 "" $EndDescr $Comp L JFET-N_SOT-23 Q1 U 1 1 5612E8AB P 4150 2500 F 0 "Q1" H 4250 2550 60 0000 C CNN F 1 "JFET" H 4150 2300 60 0000 C CNN F 2 "SOT23" H 4250 2700 60 0000 C CNN F 3 "~" H 4250 2500 60 0000 C CNN 1 4150 2500 1 0 0 -1 $EndComp $Comp L TRANSFO T1 U 1 1 5612E8E9 P 4200 1500 F 0 "T1" H 4200 1750 70 0000 C CNN F 1 "TRANSFO" H 4200 1200 70 0000 C CNN F 2 "SIL-4" H 4200 1500 60 0000 C CNN F 3 "~" H 4200 1500 60 0000 C CNN 1 4200 1500 1 0 0 -1 $EndComp $Comp L INDUCTOR L1 U 1 1 5612ED0B P 1400 1550 F 0 "L1" H 1300 1350 40 0000 C CNN F 1 "500 Turns" H 1200 1550 40 0000 C CNN F 2 "SIL-2" H 1200 1450 60 0000 C CNN F 3 "~" H 1400 1550 60 0000 C CNN 1 1400 1550 -1 0 0 1 $EndComp Text Notes 3600 1450 0 60 ~ 0 100 Turns $Comp L R R2 U 1 1 5612EED4 P 3600 2300 F 0 "R2" V 3680 2300 40 0000 C CNN F 1 "1.8k" V 3607 2301 40 0000 C CNN F 2 "SM0805" V 3530 2300 30 0000 C CNN F 3 "~" H 3600 2300 30 0000 C CNN 1 3600 2300 1 0 0 -1 $EndComp Text Notes 4400 1450 0 60 ~ 0 4 Turns $Comp L DIODESCH D2 U 1 1 5612EFE2 P 4500 3450 F 0 "D2" H 4500 3550 40 0000 C CNN F 1 "SCH-" H 4500 3350 40 0000 C CNN F 2 "SM0805" H 4500 3450 60 0000 C CNN F 3 "~" H 4500 3450 60 0000 C CNN 1 4500 3450 -1 0 0 1 $EndComp $Comp L ZENER D3 U 1 1 5612F047 P 5900 3100 F 0 "D3" V 5800 2950 50 0000 C CNN F 1 "4.7V-MM3Z4V7T1G" V 5650 3200 40 0000 C CNN F 2 "SM0805" V 6000 3050 60 0000 C CNN F 3 "~" H 5900 3100 60 0000 C CNN 1 5900 3100 0 -1 -1 0 $EndComp $Comp L +5V #PWR01 U 1 1 5612F1C1 P 6550 2550 F 0 "#PWR01" H 6550 2640 20 0001 C CNN F 1 "+5V" H 6550 2640 30 0000 C CNN F 2 "" H 6550 2550 60 0000 C CNN F 3 "" H 6550 2550 60 0000 C CNN 1 6550 2550 1 0 0 -1 $EndComp $Comp L C C2 U 1 1 5612F1DA P 6200 3100 F 0 "C2" H 6200 3200 40 0000 L CNN F 1 "10u" H 6206 3015 40 0000 L CNN F 2 "SM0805" H 6238 2950 30 0000 C CNN F 3 "~" H 6200 3100 60 0000 C CNN 1 6200 3100 1 0 0 -1 $EndComp $Comp L C C3 U 1 1 5612F209 P 6500 3100 F 0 "C3" H 6500 3200 40 0000 L CNN F 1 ".1u" H 6506 3015 40 0000 L CNN F 2 "SM0805" H 6538 2950 30 0000 C CNN F 3 "~" H 6500 3100 60 0000 C CNN 1 6500 3100 1 0 0 -1 $EndComp $Comp L GND #PWR02 U 1 1 5612F2DA P 6500 3600 F 0 "#PWR02" H 6500 3600 30 0001 C CNN F 1 "GND" H 6500 3530 30 0001 C CNN F 2 "" H 6500 3600 60 0000 C CNN F 3 "" H 6500 3600 60 0000 C CNN 1 6500 3600 1 0 0 -1 $EndComp Text GLabel 3850 2800 2 60 Input ~ 0 INHIBIT $Comp L ATTINYX5 U1 U 1 1 5612F3BA P 4400 5300 F 0 "U1" H 2850 5550 60 0000 C CNN F 1 "ATTINYX5" H 5850 5550 60 0000 C CNN F 2 "SO8WIDE" H 4400 5300 60 0000 C CNN F 3 "" H 4400 5300 60 0000 C CNN 1 4400 5300 1 0 0 -1 $EndComp $Comp L +5V #PWR03 U 1 1 5612F3C7 P 6450 5100 F 0 "#PWR03" H 6450 5190 20 0001 C CNN F 1 "+5V" H 6450 5190 30 0000 C CNN F 2 "" H 6450 5100 60 0000 C CNN F 3 "" H 6450 5100 60 0000 C CNN 1 6450 5100 1 0 0 -1 $EndComp $Comp L GND #PWR04 U 1 1 5612F3CD P 2450 5500 F 0 "#PWR04" H 2450 5500 30 0001 C CNN F 1 "GND" H 2450 5430 30 0001 C CNN F 2 "" H 2450 5500 60 0000 C CNN F 3 "" H 2450 5500 60 0000 C CNN 1 2450 5500 1 0 0 -1 $EndComp $Comp L AVRISP6 J1 U 1 1 5612F427 P 4050 6050 F 0 "J1" H 3850 6300 60 0000 C CNN F 1 "AVRISP6" H 4200 5750 60 0000 C CNN F 2 "RIBBON6SMT" H 4050 6050 60 0000 C CNN F 3 "~" H 4050 6050 60 0000 C CNN 1 4050 6050 1 0 0 -1 $EndComp $Comp L GND #PWR05 U 1 1 5612F461 P 4650 6200 F 0 "#PWR05" H 4650 6200 30 0001 C CNN F 1 "GND" H 4650 6130 30 0001 C CNN F 2 "" H 4650 6200 60 0000 C CNN F 3 "" H 4650 6200 60 0000 C CNN 1 4650 6200 1 0 0 -1 $EndComp $Comp L +5V #PWR06 U 1 1 5612F496 P 4650 5900 F 0 "#PWR06" H 4650 5990 20 0001 C CNN F 1 "+5V" H 4650 5990 30 0000 C CNN F 2 "" H 4650 5900 60 0000 C CNN F 3 "" H 4650 5900 60 0000 C CNN 1 4650 5900 1 0 0 -1 $EndComp Text Notes 2500 1200 0 60 ~ 0 "Plus" Text Notes 2500 2000 0 60 ~ 0 "Minus" $Comp L C C1 U 1 1 5612F6CF P 3300 1550 F 0 "C1" H 3300 1650 40 0000 L CNN F 1 "10n?" H 3306 1465 40 0000 L CNN F 2 "SM0805" H 3338 1400 30 0000 C CNN F 3 "~" H 3300 1550 60 0000 C CNN 1 3300 1550 1 0 0 -1 $EndComp $Comp L R R1 U 1 1 56133D15 P 3150 1550 F 0 "R1" V 3230 1550 40 0000 C CNN F 1 "NP?" V 3157 1551 40 0000 C CNN F 2 "SM0805" V 3080 1550 30 0000 C CNN F 3 "~" H 3150 1550 30 0000 C CNN 1 3150 1550 1 0 0 -1 $EndComp Text Notes 3600 3550 0 60 ~ 0 -0.5v to +??? Text Notes 2600 2100 0 60 ~ 0 5V Text Notes 2950 1200 0 60 ~ 0 2v to 8v Text GLabel 3650 1250 1 60 Input ~ 0 PLUS Text GLabel 3800 4150 2 60 Input ~ 0 PLUS $Comp L GND #PWR07 U 1 1 56135381 P 3750 4450 F 0 "#PWR07" H 3750 4450 30 0001 C CNN F 1 "GND" H 3750 4380 30 0001 C CNN F 2 "" H 3750 4450 60 0000 C CNN F 3 "" H 3750 4450 60 0000 C CNN 1 3750 4450 1 0 0 -1 $EndComp Text GLabel 4650 2600 2 60 Input ~ 0 JFS Text GLabel 4600 2400 2 60 Input ~ 0 JFD $Comp L JFET-N_SOT-23 Q2 U 1 1 56135569 P 7400 1150 F 0 "Q2" H 7500 1200 60 0000 C CNN F 1 "JFET" H 7400 950 60 0000 C CNN F 2 "SOT23" H 7500 1350 60 0000 C CNN F 3 "~" H 7500 1150 60 0000 C CNN 1 7400 1150 1 0 0 -1 $EndComp Text GLabel 7800 1050 2 60 Input ~ 0 JFD Text GLabel 7800 1250 2 60 Input ~ 0 JFS Text GLabel 6950 1200 0 60 Input ~ 0 INHIBIT $Comp L JFET-N_SOT-23 Q3 U 1 1 5613566D P 7400 1550 F 0 "Q3" H 7500 1600 60 0000 C CNN F 1 "JFET" H 7400 1350 60 0000 C CNN F 2 "SOT23" H 7500 1750 60 0000 C CNN F 3 "~" H 7500 1550 60 0000 C CNN 1 7400 1550 1 0 0 -1 $EndComp Text GLabel 7800 1450 2 60 Input ~ 0 JFD Text GLabel 7800 1650 2 60 Input ~ 0 JFS Text GLabel 6950 1600 0 60 Input ~ 0 INHIBIT $Comp L JFET-N_SOT-23 Q4 U 1 1 56135679 P 7400 1950 F 0 "Q4" H 7500 2000 60 0000 C CNN F 1 "JFET" H 7400 1750 60 0000 C CNN F 2 "SOT23" H 7500 2150 60 0000 C CNN F 3 "~" H 7500 1950 60 0000 C CNN 1 7400 1950 1 0 0 -1 $EndComp Text GLabel 7800 1850 2 60 Input ~ 0 JFD Text GLabel 7800 2050 2 60 Input ~ 0 JFS Text GLabel 6950 2000 0 60 Input ~ 0 INHIBIT Text GLabel 7650 5300 2 60 Input ~ 0 INHIBIT $Comp L R R3 U 1 1 56135686 P 7150 5300 F 0 "R3" V 7230 5300 40 0000 C CNN F 1 "???" V 7157 5301 40 0000 C CNN F 2 "SM0805" V 7080 5300 30 0000 C CNN F 3 "~" H 7150 5300 30 0000 C CNN 1 7150 5300 0 -1 -1 0 $EndComp $Comp L 1206NETWORK RN1 U 1 1 56135816 P 3150 4100 F 0 "RN1" H 2850 4500 60 0000 C CNN F 1 "1M" H 3200 3900 60 0000 C CNN F 2 "NETWORK1206" H 3150 4100 60 0000 C CNN F 3 "" H 3150 4100 60 0000 C CNN 1 3150 4100 1 0 0 1 $EndComp $Comp L CONN_1 P1 U 1 1 56135BA9 P 2300 3950 F 0 "P1" H 2380 3950 40 0000 L CNN F 1 "ANT" H 2300 4005 30 0001 C CNN F 2 ".1SMTPIN" H 2300 3950 60 0000 C CNN F 3 "" H 2300 3950 60 0000 C CNN 1 2300 3950 0 -1 -1 0 $EndComp Text Notes 1650 4050 0 60 ~ 0 Maybe antenna\nshould be on\nother port $Comp L TVS-BIDIRECTION D1 U 1 1 56140119 P 2050 1550 F 0 "D1" V 2150 1400 60 0000 C CNN F 1 "D5V0L1B2T-7" V 1950 1100 60 0000 C CNN F 2 "SM0805" V 2050 1300 60 0000 C CNN F 3 "~" H 2000 1550 60 0000 C CNN 1 2050 1550 0 -1 -1 0 $EndComp Wire Wire Line 1400 1250 4600 1250 Wire Wire Line 1400 1850 3300 1850 Wire Wire Line 3800 1250 3800 1300 Wire Wire Line 3800 1700 3700 1700 Wire Wire Line 3700 1700 3700 3450 Wire Wire Line 3600 2550 3800 2550 Wire Wire Line 3600 2050 3600 2000 Connection ~ 3700 2000 Wire Wire Line 4450 2400 4600 2400 Wire Wire Line 4600 2400 4600 1700 Wire Wire Line 4600 1250 4600 1300 Connection ~ 3800 1250 Wire Wire Line 3300 1750 3300 2950 Wire Wire Line 3300 2950 4950 2950 Wire Wire Line 3600 2000 3700 2000 Wire Wire Line 4450 2600 4650 2600 Wire Wire Line 4650 2600 4650 2950 Connection ~ 4650 2950 Wire Wire Line 3700 3450 4300 3450 Wire Wire Line 5900 3450 5900 3300 Connection ~ 5900 3450 Wire Wire Line 6200 3450 6200 3300 Wire Wire Line 6500 3300 6500 3600 Connection ~ 6200 3450 Connection ~ 6500 3450 Wire Wire Line 3750 2550 3750 2800 Wire Wire Line 3750 2800 3850 2800 Connection ~ 3750 2550 Wire Wire Line 2450 5500 2450 5450 Wire Wire Line 2450 5450 2500 5450 Wire Wire Line 6350 5150 6450 5150 Wire Wire Line 6450 5150 6450 5100 Wire Wire Line 3500 6150 2200 6150 Wire Wire Line 2200 6150 2200 5150 Wire Wire Line 2200 5150 2500 5150 Wire Wire Line 4650 6200 4650 6150 Wire Wire Line 4650 6150 4600 6150 Wire Wire Line 4650 5900 4650 5950 Wire Wire Line 4650 5950 4600 5950 Wire Wire Line 3500 6050 3350 6050 Wire Wire Line 3350 6050 3350 5600 Wire Wire Line 3350 5600 6450 5600 Wire Wire Line 6450 5600 6450 5250 Wire Wire Line 6350 5250 6650 5250 Wire Wire Line 6350 5350 6550 5350 Wire Wire Line 6550 5300 6550 5700 Wire Wire Line 6550 5700 3450 5700 Wire Wire Line 3450 5700 3450 5950 Wire Wire Line 3450 5950 3500 5950 Wire Wire Line 4600 6050 6650 6050 Wire Wire Line 6650 6050 6650 5450 Wire Wire Line 6650 5450 6350 5450 Wire Wire Line 2350 5250 2500 5250 Connection ~ 3300 1850 Wire Wire Line 3300 1350 3300 1250 Connection ~ 3300 1250 Wire Wire Line 3150 1300 3150 1250 Connection ~ 3150 1250 Wire Wire Line 3150 1800 3150 1850 Connection ~ 3150 1850 Connection ~ 6450 5250 Wire Wire Line 6950 1200 7050 1200 Wire Wire Line 7700 1250 7800 1250 Wire Wire Line 7800 1050 7700 1050 Wire Wire Line 6950 1600 7050 1600 Wire Wire Line 7700 1650 7800 1650 Wire Wire Line 7800 1450 7700 1450 Wire Wire Line 6950 2000 7050 2000 Wire Wire Line 7700 2050 7800 2050 Wire Wire Line 7800 1850 7700 1850 Wire Wire Line 7400 5300 7650 5300 Wire Wire Line 6900 5300 6550 5300 Connection ~ 6550 5350 Wire Wire Line 3650 4250 4850 4250 Wire Wire Line 3650 4150 3800 4150 Wire Wire Line 3750 4050 3750 4450 Wire Wire Line 2650 4050 2450 4050 Wire Wire Line 2450 4050 2450 4150 Wire Wire Line 2450 4150 2650 4150 Wire Wire Line 2650 4250 2450 4250 Wire Wire Line 2450 4250 2450 4350 Wire Wire Line 2450 4350 2650 4350 Wire Wire Line 2450 4300 2400 4300 Connection ~ 2450 4300 Wire Wire Line 2300 4100 2450 4100 Connection ~ 2450 4100 Wire Wire Line 2050 1350 2050 1250 Connection ~ 2050 1250 Wire Wire Line 2050 1750 2050 1850 Connection ~ 2050 1850 Wire Wire Line 3750 4050 3650 4050 Wire Wire Line 3650 4350 3750 4350 Connection ~ 3750 4350 Wire Wire Line 2350 5250 2350 4100 Connection ~ 2350 4100 Wire Wire Line 2400 4300 2400 5350 Wire Wire Line 2400 5350 2500 5350 Wire Wire Line 6550 2700 6550 2550 Wire Wire Line 5650 2700 6550 2700 Wire Wire Line 5900 2700 5900 2900 Wire Wire Line 6200 2900 6200 2700 Connection ~ 6200 2700 Wire Wire Line 6500 2700 6500 2900 Connection ~ 6500 2700 $Comp L R R4 U 1 1 56141548 P 5400 2700 F 0 "R4" V 5480 2700 40 0000 C CNN F 1 "0" V 5407 2701 40 0000 C CNN F 2 "SM0805" V 5330 2700 30 0000 C CNN F 3 "~" H 5400 2700 30 0000 C CNN 1 5400 2700 0 -1 -1 0 $EndComp Wire Wire Line 4950 2950 4950 2700 Wire Wire Line 4950 2700 5150 2700 Connection ~ 5900 2700 Wire Wire Line 4850 4250 4850 2950 Connection ~ 4850 2950 $Comp L CONN_1 P2 U 1 1 5614173C P 2650 4600 F 0 "P2" H 2730 4600 40 0000 L CNN F 1 "ANT" H 2650 4655 30 0001 C CNN F 2 ".1SMTPIN" H 2650 4600 60 0000 C CNN F 3 "" H 2650 4600 60 0000 C CNN 1 2650 4600 1 0 0 -1 $EndComp Wire Wire Line 2500 4600 2400 4600 Connection ~ 2400 4600 $Comp L C C4 U 1 1 56153977 P 4100 3200 F 0 "C4" H 4100 3300 40 0000 L CNN F 1 "10u" H 4106 3115 40 0000 L CNN F 2 "SM0805" H 4138 3050 30 0000 C CNN F 3 "~" H 4100 3200 60 0000 C CNN 1 4100 3200 1 0 0 -1 $EndComp Wire Wire Line 4100 3000 4100 2950 Connection ~ 4100 2950 Wire Wire Line 4100 3450 4100 3400 Connection ~ 4100 3450 Wire Wire Line 4700 3450 4950 3450 Wire Wire Line 5450 3450 6500 3450 $Comp L R R5 U 1 1 56153B65 P 5200 3450 F 0 "R5" V 5280 3450 40 0000 C CNN F 1 "0" V 5207 3451 40 0000 C CNN F 2 "SM0805" V 5130 3450 30 0000 C CNN F 3 "~" H 5200 3450 30 0000 C CNN 1 5200 3450 0 -1 -1 0 $EndComp $EndSCHEMATC