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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:dr-esp8266
LIBS:dr-mechanical
LIBS:beerometer-cache
EELAYER 25 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 2 7
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L Q_NPN_CBE Q1
U 1 1 5689A140
P 3300 3300
AR Path="/5689A90D/5689A140" Ref="Q1"  Part="1" 
AR Path="/568A1448/5689A140" Ref="Q2"  Part="1" 
AR Path="/568A1449/5689A140" Ref="Q3"  Part="1" 
AR Path="/568A144A/5689A140" Ref="Q4"  Part="1" 
AR Path="/568A144B/5689A140" Ref="Q5"  Part="1" 
AR Path="/568A144C/5689A140" Ref="Q6"  Part="1" 
F 0 "Q1" H 3493 3392 50  0000 L CNN
F 1 "Q_NPN_CBE" H 3493 3300 50  0000 L CNN
F 2 "TO_SOT_Packages_THT:TO-92_Molded_Narrow" H 3493 3208 50  0000 L CNN
F 3 "" H 3300 3300 50  0000 C CNN
	1    3300 3300
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR6
U 1 1 5689AC38
P 3400 3600
AR Path="/5689A90D/5689AC38" Ref="#PWR6"  Part="1" 
AR Path="/568A1448/5689AC38" Ref="#PWR9"  Part="1" 
AR Path="/568A1449/5689AC38" Ref="#PWR12"  Part="1" 
AR Path="/568A144A/5689AC38" Ref="#PWR15"  Part="1" 
AR Path="/568A144B/5689AC38" Ref="#PWR18"  Part="1" 
AR Path="/568A144C/5689AC38" Ref="#PWR21"  Part="1" 
F 0 "#PWR6" H 3400 3350 50  0001 C CNN
F 1 "GND" H 3408 3426 50  0000 C CNN
F 2 "" H 3400 3600 50  0000 C CNN
F 3 "" H 3400 3600 50  0000 C CNN
	1    3400 3600
	1    0    0    -1  
$EndComp
Wire Wire Line
	2200 3300 3100 3300
Wire Wire Line
	3400 3500 3400 3600
Text HLabel 3400 2400 1    60   Output ~ 0
TRIG
$Comp
L CONN_01X03 P1
U 1 1 5689A994
P 2000 3300
AR Path="/5689A90D/5689A994" Ref="P1"  Part="1" 
AR Path="/568A1448/5689A994" Ref="P2"  Part="1" 
AR Path="/568A1449/5689A994" Ref="P3"  Part="1" 
AR Path="/568A144A/5689A994" Ref="P4"  Part="1" 
AR Path="/568A144B/5689A994" Ref="P5"  Part="1" 
AR Path="/568A144C/5689A994" Ref="P6"  Part="1" 
F 0 "P1" H 1919 2968 50  0000 C CNN
F 1 "CONN_01X03" H 1919 3060 50  0000 C CNN
F 2 "Pin_Headers:Pin_Header_Straight_1x03" H 2000 3300 50  0000 C CNN
F 3 "" H 2000 3300 50  0000 C CNN
	1    2000 3300
	-1   0    0    1   
$EndComp
Wire Wire Line
	2200 3200 2550 3200
Wire Wire Line
	2200 3400 2550 3400
Wire Wire Line
	2550 3400 2550 3550
Wire Wire Line
	2550 3550 3400 3550
Connection ~ 3400 3550
$Comp
L VPP #PWR5
U 1 1 5689AA85
P 2550 3100
AR Path="/5689A90D/5689AA85" Ref="#PWR5"  Part="1" 
AR Path="/568A1448/5689AA85" Ref="#PWR8"  Part="1" 
AR Path="/568A1449/5689AA85" Ref="#PWR11"  Part="1" 
AR Path="/568A144A/5689AA85" Ref="#PWR14"  Part="1" 
AR Path="/568A144B/5689AA85" Ref="#PWR17"  Part="1" 
AR Path="/568A144C/5689AA85" Ref="#PWR20"  Part="1" 
F 0 "#PWR5" H 2550 2950 50  0001 C CNN
F 1 "VPP" H 2568 3274 50  0000 C CNN
F 2 "" H 2550 3100 50  0000 C CNN
F 3 "" H 2550 3100 50  0000 C CNN
	1    2550 3100
	1    0    0    -1  
$EndComp
Wire Wire Line
	2550 3200 2550 3100
Wire Wire Line
	3400 2400 3400 3100
Text Label 2700 3300 0    60   ~ 0
SENSE
$Comp
L C C4
U 1 1 569133C7
P 4100 2800
AR Path="/5689A90D/569133C7" Ref="C4"  Part="1" 
AR Path="/568A1448/569133C7" Ref="C5"  Part="1" 
AR Path="/568A1449/569133C7" Ref="C6"  Part="1" 
AR Path="/568A144A/569133C7" Ref="C7"  Part="1" 
AR Path="/568A144B/569133C7" Ref="C8"  Part="1" 
AR Path="/568A144C/569133C7" Ref="C9"  Part="1" 
F 0 "C4" H 4215 2846 50  0000 L CNN
F 1 "22pF" H 4215 2754 50  0000 L CNN
F 2 "Capacitors_ThroughHole:C_Disc_D3_P2.5" H 4138 2650 50  0001 C CNN
F 3 "" H 4100 2800 50  0000 C CNN
	1    4100 2800
	1    0    0    -1  
$EndComp
Wire Wire Line
	3400 2650 4100 2650
Connection ~ 3400 2650
$Comp
L GND #PWR7
U 1 1 56913437
P 4100 3000
AR Path="/5689A90D/56913437" Ref="#PWR7"  Part="1" 
AR Path="/568A1448/56913437" Ref="#PWR10"  Part="1" 
AR Path="/568A1449/56913437" Ref="#PWR13"  Part="1" 
AR Path="/568A144A/56913437" Ref="#PWR16"  Part="1" 
AR Path="/568A144B/56913437" Ref="#PWR19"  Part="1" 
AR Path="/568A144C/56913437" Ref="#PWR22"  Part="1" 
F 0 "#PWR7" H 4100 2750 50  0001 C CNN
F 1 "GND" H 4108 2826 50  0000 C CNN
F 2 "" H 4100 3000 50  0000 C CNN
F 3 "" H 4100 3000 50  0000 C CNN
	1    4100 3000
	1    0    0    -1  
$EndComp
Wire Wire Line
	4100 2950 4100 3000
$EndSCHEMATC