components.sch

EESchema Schematic File Version 2
LIBS:Friden-130-rescue
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:friden
LIBS:Friden-130-cache
EELAYER 25 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 8 25
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L 2N1305 Q1
U 1 1 57B42507
P 1650 1700
F 0 "Q1" H 1850 1775 50  0000 L CNN
F 1 "2N1305" H 1850 1700 50  0000 L CNN
F 2 "TO-92" H 1850 1625 50  0001 L CIN
F 3 "" H 1650 1700 50  0000 L CNN
	1    1650 1700
	1    0    0    1   
$EndComp
Text Notes 1750 1350 0    50   ~ 0
EMITTER
Text Notes 1750 2150 0    50   ~ 0
COLLECTOR
Text Notes 1250 1500 0    50   ~ 0
BASE
Text Notes 2200 1900 0    50   ~ 0
UNIQUE \nIDENTIFIER
$Comp
L D D1
U 1 1 57B5260D
P 2000 3400
F 0 "D1" H 2000 3500 50  0000 C CNN
F 1 "D" H 2000 3300 50  0001 C CNN
F 2 "" H 2000 3400 50  0000 C CNN
F 3 "" H 2000 3400 50  0000 C CNN
	1    2000 3400
	-1   0    0    1   
$EndComp
$Comp
L R R1
U 1 1 57B526E7
P 2250 3650
F 0 "R1" V 2330 3650 50  0000 C CNN
F 1 "12k" V 2250 3650 50  0000 C CNN
F 2 "" V 2180 3650 50  0000 C CNN
F 3 "" H 2250 3650 50  0000 C CNN
	1    2250 3650
	1    0    0    -1  
$EndComp
$Comp
L -12V #PWR195
U 1 1 57B52727
P 2250 3900
F 0 "#PWR195" H 2250 4000 50  0001 C CNN
F 1 "-12V" H 2250 4050 50  0000 C CNN
F 2 "" H 2250 3900 50  0000 C CNN
F 3 "" H 2250 3900 50  0000 C CNN
	1    2250 3900
	-1   0    0    1   
$EndComp
Text HLabel 1750 3400 0    50   Input ~ 0
IN
Text HLabel 2400 3400 2    50   Input ~ 0
OUT
$Comp
L D D1
U 1 1 57B527E9
P 3400 3400
F 0 "D1" H 3400 3500 50  0000 C CNN
F 1 "D" H 3400 3300 50  0001 C CNN
F 2 "" H 3400 3400 50  0000 C CNN
F 3 "" H 3400 3400 50  0000 C CNN
	1    3400 3400
	-1   0    0    1   
$EndComp
$Comp
L R R1
U 1 1 57B527EF
P 3650 3650
F 0 "R1" V 3730 3650 50  0000 C CNN
F 1 "12k" V 3650 3650 50  0000 C CNN
F 2 "" V 3580 3650 50  0000 C CNN
F 3 "" H 3650 3650 50  0000 C CNN
	1    3650 3650
	1    0    0    -1  
$EndComp
$Comp
L -12V #PWR200
U 1 1 57B527F7
P 3650 3900
F 0 "#PWR200" H 3650 4000 50  0001 C CNN
F 1 "-12V" H 3650 4050 50  0000 C CNN
F 2 "" H 3650 3900 50  0000 C CNN
F 3 "" H 3650 3900 50  0000 C CNN
	1    3650 3900
	-1   0    0    1   
$EndComp
Text HLabel 3150 3400 0    50   Input ~ 0
IN_B
Text HLabel 3800 3400 2    50   Input ~ 0
OUT
$Comp
L D D2
U 1 1 57B52813
P 3400 3150
F 0 "D2" H 3400 3250 50  0000 C CNN
F 1 "D" H 3400 3050 50  0001 C CNN
F 2 "" H 3400 3150 50  0000 C CNN
F 3 "" H 3400 3150 50  0000 C CNN
	1    3400 3150
	-1   0    0    1   
$EndComp
Text HLabel 3150 3150 0    50   Input ~ 0
IN_A
$Comp
L 2N1305 Q1
U 1 1 57B52DB7
P 2050 4950
F 0 "Q1" H 2250 5025 50  0000 L CNN
F 1 "2N1305" H 2250 4950 50  0000 L CNN
F 2 "TO-92" H 2250 4875 50  0001 L CIN
F 3 "" H 2050 4950 50  0000 L CNN
	1    2050 4950
	1    0    0    1   
$EndComp
$Comp
L GNDREF #PWR196
U 1 1 57B52E12
P 2300 4650
F 0 "#PWR196" H 2300 4400 50  0001 C CNN
F 1 "GNDREF" H 2300 4500 50  0001 C CNN
F 2 "" H 2300 4650 50  0000 C CNN
F 3 "" H 2300 4650 50  0000 C CNN
	1    2300 4650
	1    0    0    -1  
$EndComp
$Comp
L R R3
U 1 1 57B52EC8
P 2150 5400
F 0 "R3" V 2230 5400 50  0000 C CNN
F 1 "12k" V 2150 5400 50  0000 C CNN
F 2 "" V 2080 5400 50  0000 C CNN
F 3 "" H 2150 5400 50  0000 C CNN
	1    2150 5400
	1    0    0    -1  
$EndComp
$Comp
L -12V #PWR194
U 1 1 57B52ECE
P 2150 5650
F 0 "#PWR194" H 2150 5750 50  0001 C CNN
F 1 "-12V" H 2150 5800 50  0000 C CNN
F 2 "" H 2150 5650 50  0000 C CNN
F 3 "" H 2150 5650 50  0000 C CNN
	1    2150 5650
	-1   0    0    1   
$EndComp
$Comp
L R R2
U 1 1 57B52F04
P 1800 4750
F 0 "R2" V 1880 4750 50  0000 C CNN
F 1 "22k" V 1800 4750 50  0000 C CNN
F 2 "" V 1730 4750 50  0000 C CNN
F 3 "" H 1800 4750 50  0000 C CNN
	1    1800 4750
	1    0    0    -1  
$EndComp
$Comp
L R R1
U 1 1 57B52F55
P 1600 4950
F 0 "R1" V 1680 4950 50  0000 C CNN
F 1 "6k8" V 1600 4950 50  0000 C CNN
F 2 "" V 1530 4950 50  0000 C CNN
F 3 "" H 1600 4950 50  0000 C CNN
	1    1600 4950
	0    1    1    0   
$EndComp
$Comp
L +6V #PWR193
U 1 1 57B52FCB
P 1800 4550
F 0 "#PWR193" H 1800 4400 50  0001 C CNN
F 1 "+6V" H 1800 4690 50  0000 C CNN
F 2 "" H 1800 4550 50  0000 C CNN
F 3 "" H 1800 4550 50  0000 C CNN
	1    1800 4550
	1    0    0    -1  
$EndComp
Text HLabel 1350 4950 0    50   Input ~ 0
IN
Text HLabel 2600 5200 2    50   Input ~ 0
OUT
$Comp
L 2N1305 Q1
U 1 1 57B5334B
P 7050 1550
F 0 "Q1" H 7250 1625 50  0000 L CNN
F 1 "2N1305" H 7250 1550 50  0000 L CNN
F 2 "TO-92" H 7250 1475 50  0001 L CIN
F 3 "" H 7050 1550 50  0000 L CNN
	1    7050 1550
	1    0    0    1   
$EndComp
$Comp
L GNDREF #PWR203
U 1 1 57B53351
P 7300 1250
F 0 "#PWR203" H 7300 1000 50  0001 C CNN
F 1 "GNDREF" H 7300 1100 50  0001 C CNN
F 2 "" H 7300 1250 50  0000 C CNN
F 3 "" H 7300 1250 50  0000 C CNN
	1    7300 1250
	1    0    0    -1  
$EndComp
$Comp
L R R3
U 1 1 57B5335A
P 7150 2000
F 0 "R3" V 7230 2000 50  0000 C CNN
F 1 "12k" V 7150 2000 50  0000 C CNN
F 2 "" V 7080 2000 50  0000 C CNN
F 3 "" H 7150 2000 50  0000 C CNN
	1    7150 2000
	1    0    0    -1  
$EndComp
$Comp
L -12V #PWR202
U 1 1 57B53360
P 7150 2250
F 0 "#PWR202" H 7150 2350 50  0001 C CNN
F 1 "-12V" H 7150 2400 50  0000 C CNN
F 2 "" H 7150 2250 50  0000 C CNN
F 3 "" H 7150 2250 50  0000 C CNN
	1    7150 2250
	-1   0    0    1   
$EndComp
$Comp
L R R2
U 1 1 57B53368
P 6800 1350
F 0 "R2" V 6880 1350 50  0000 C CNN
F 1 "22k" V 6800 1350 50  0000 C CNN
F 2 "" V 6730 1350 50  0000 C CNN
F 3 "" H 6800 1350 50  0000 C CNN
	1    6800 1350
	1    0    0    -1  
$EndComp
$Comp
L R R1
U 1 1 57B5336E
P 6600 1550
F 0 "R1" V 6680 1550 50  0000 C CNN
F 1 "6k8" V 6600 1550 50  0000 C CNN
F 2 "" V 6530 1550 50  0000 C CNN
F 3 "" H 6600 1550 50  0000 C CNN
	1    6600 1550
	0    1    1    0   
$EndComp
$Comp
L +6V #PWR201
U 1 1 57B53377
P 6800 1150
F 0 "#PWR201" H 6800 1000 50  0001 C CNN
F 1 "+6V" H 6800 1290 50  0000 C CNN
F 2 "" H 6800 1150 50  0000 C CNN
F 3 "" H 6800 1150 50  0000 C CNN
	1    6800 1150
	1    0    0    -1  
$EndComp
Text HLabel 6350 1550 0    50   Input ~ 0
IN
Text HLabel 7600 1800 2    50   Input ~ 0
OUT
Text Notes 6750 1650 0    40   ~ 0
-0.3v
Text Notes 7250 1900 0    40   ~ 0
-0.2v
Text Notes 6400 1250 0    40   ~ 0
0.29mA
Text Notes 6200 1650 0    40   ~ 0
-12v
Text Notes 6250 1400 0    40   ~ 0
1.72mA
Text Notes 6750 2050 0    40   ~ 0
0.98mA
Text Notes 7050 1100 0    40   ~ 0
2.41mA
$Comp
L D D1
U 1 1 57B680D2
P 5100 3400
F 0 "D1" H 5100 3500 50  0000 C CNN
F 1 "D1" H 5100 3300 50  0001 C CNN
F 2 "" H 5100 3400 50  0000 C CNN
F 3 "" H 5100 3400 50  0000 C CNN
	1    5100 3400
	1    0    0    1   
$EndComp
$Comp
L R R1
U 1 1 57B680D8
P 5350 2900
F 0 "R1" V 5430 2900 50  0000 C CNN
F 1 "12k" V 5350 2900 50  0000 C CNN
F 2 "" V 5280 2900 50  0000 C CNN
F 3 "" H 5350 2900 50  0000 C CNN
	1    5350 2900
	1    0    0    -1  
$EndComp
Text HLabel 4850 3400 0    50   Input ~ 0
IN_B
Text HLabel 5500 3400 2    50   Input ~ 0
OUT
$Comp
L D D2
U 1 1 57B680EB
P 5100 3150
F 0 "D2" H 5100 3250 50  0000 C CNN
F 1 "D2" H 5100 3050 50  0001 C CNN
F 2 "" H 5100 3150 50  0000 C CNN
F 3 "" H 5100 3150 50  0000 C CNN
	1    5100 3150
	1    0    0    1   
$EndComp
Text HLabel 4850 3150 0    50   Input ~ 0
IN_A
Wire Notes Line
	1350 1500 1400 1650
Wire Notes Line
	1900 1350 1800 1450
Wire Notes Line
	1950 2050 1800 1950
Wire Notes Line
	2200 1850 2000 1800
Wire Wire Line
	2150 3400 2400 3400
Wire Wire Line
	2250 3400 2250 3500
Wire Wire Line
	2250 3800 2250 3900
Wire Wire Line
	1750 3400 1850 3400
Connection ~ 2250 3400
Wire Wire Line
	3550 3400 3800 3400
Wire Wire Line
	3650 3150 3650 3500
Wire Wire Line
	3650 3800 3650 3900
Wire Wire Line
	3150 3400 3250 3400
Connection ~ 3650 3400
Wire Wire Line
	3150 3150 3250 3150
Wire Wire Line
	3550 3150 3650 3150
Wire Wire Line
	2150 4750 2150 4600
Wire Wire Line
	2150 4600 2300 4600
Wire Wire Line
	2300 4600 2300 4650
Wire Wire Line
	2150 5550 2150 5650
Wire Wire Line
	2150 5150 2150 5250
Wire Wire Line
	1750 4950 1850 4950
Wire Wire Line
	1800 4900 1800 4950
Connection ~ 1800 4950
Wire Wire Line
	1800 4550 1800 4600
Wire Wire Line
	1350 4950 1450 4950
Wire Wire Line
	2150 5200 2600 5200
Connection ~ 2150 5200
Wire Wire Line
	7150 1350 7150 1200
Wire Wire Line
	7150 1200 7300 1200
Wire Wire Line
	7300 1200 7300 1250
Wire Wire Line
	7150 2150 7150 2250
Wire Wire Line
	7150 1750 7150 1850
Wire Wire Line
	6750 1550 6850 1550
Wire Wire Line
	6800 1500 6800 1550
Connection ~ 6800 1550
Wire Wire Line
	6800 1150 6800 1200
Wire Wire Line
	6350 1550 6450 1550
Wire Wire Line
	7150 1800 7600 1800
Connection ~ 7150 1800
Wire Notes Line
	6650 1150 6650 1400
Wire Notes Line
	6650 1400 6700 1350
Wire Notes Line
	6650 1400 6600 1350
Wire Notes Line
	6600 1450 6350 1450
Wire Notes Line
	6350 1450 6400 1400
Wire Notes Line
	6350 1450 6400 1500
Wire Notes Line
	7000 1900 7000 2150
Wire Notes Line
	7000 2150 7050 2100
Wire Notes Line
	7000 2150 6950 2100
Wire Notes Line
	7050 1100 7050 1350
Wire Notes Line
	7050 1350 7100 1300
Wire Notes Line
	7050 1350 7000 1300
Wire Notes Line
	7050 1100 7250 1100
Wire Wire Line
	5250 3400 5500 3400
Wire Wire Line
	4850 3400 4950 3400
Connection ~ 5350 3400
Wire Wire Line
	4850 3150 4950 3150
Wire Wire Line
	5250 3150 5350 3150
Connection ~ 5350 3150
$Comp
L +6V #PWR204
U 1 1 57B6E989
P 5350 2700
F 0 "#PWR204" H 5350 2550 50  0001 C CNN
F 1 "+6V" H 5350 2840 50  0000 C CNN
F 2 "" H 5350 2700 50  0000 C CNN
F 3 "" H 5350 2700 50  0000 C CNN
	1    5350 2700
	1    0    0    -1  
$EndComp
Wire Wire Line
	5350 2700 5350 2750
Wire Wire Line
	5350 3050 5350 3400
$Comp
L 2N1305 Q1
U 1 1 57B7127C
P 3150 6700
F 0 "Q1" H 3350 6775 50  0000 L CNN
F 1 "2N1305" H 3350 6700 50  0000 L CNN
F 2 "TO-92" H 3350 6625 50  0001 L CIN
F 3 "" H 3150 6700 50  0000 L CNN
	1    3150 6700
	1    0    0    1   
$EndComp
$Comp
L GNDREF #PWR199
U 1 1 57B71282
P 3400 6400
F 0 "#PWR199" H 3400 6150 50  0001 C CNN
F 1 "GNDREF" H 3400 6250 50  0001 C CNN
F 2 "" H 3400 6400 50  0000 C CNN
F 3 "" H 3400 6400 50  0000 C CNN
	1    3400 6400
	1    0    0    -1  
$EndComp
$Comp
L R R3
U 1 1 57B71288
P 3250 7150
F 0 "R3" V 3330 7150 50  0000 C CNN
F 1 "12k" V 3250 7150 50  0000 C CNN
F 2 "" V 3180 7150 50  0000 C CNN
F 3 "" H 3250 7150 50  0000 C CNN
	1    3250 7150
	1    0    0    -1  
$EndComp
$Comp
L -12V #PWR198
U 1 1 57B7128E
P 3250 7400
F 0 "#PWR198" H 3250 7500 50  0001 C CNN
F 1 "-12V" H 3250 7550 50  0000 C CNN
F 2 "" H 3250 7400 50  0000 C CNN
F 3 "" H 3250 7400 50  0000 C CNN
	1    3250 7400
	-1   0    0    1   
$EndComp
$Comp
L R R2
U 1 1 57B71294
P 2900 6500
F 0 "R2" V 2980 6500 50  0000 C CNN
F 1 "22k" V 2900 6500 50  0000 C CNN
F 2 "" V 2830 6500 50  0000 C CNN
F 3 "" H 2900 6500 50  0000 C CNN
	1    2900 6500
	1    0    0    -1  
$EndComp
$Comp
L R R1
U 1 1 57B7129A
P 2700 6700
F 0 "R1" V 2780 6700 50  0000 C CNN
F 1 "6k8" V 2700 6700 50  0000 C CNN
F 2 "" V 2630 6700 50  0000 C CNN
F 3 "" H 2700 6700 50  0000 C CNN
	1    2700 6700
	0    1    1    0   
$EndComp
$Comp
L +6V #PWR197
U 1 1 57B712A0
P 2900 6300
F 0 "#PWR197" H 2900 6150 50  0001 C CNN
F 1 "+6V" H 2900 6440 50  0000 C CNN
F 2 "" H 2900 6300 50  0000 C CNN
F 3 "" H 2900 6300 50  0000 C CNN
	1    2900 6300
	1    0    0    -1  
$EndComp
Text HLabel 3700 6950 2    50   Input ~ 0
OUT
Wire Wire Line
	3250 6500 3250 6350
Wire Wire Line
	3250 6350 3400 6350
Wire Wire Line
	3400 6350 3400 6400
Wire Wire Line
	3250 7300 3250 7400
Wire Wire Line
	3250 6900 3250 7000
Wire Wire Line
	2850 6700 2950 6700
Wire Wire Line
	2900 6650 2900 6700
Connection ~ 2900 6700
Wire Wire Line
	2900 6300 2900 6350
Wire Wire Line
	2450 6700 2550 6700
Wire Wire Line
	3250 6950 3700 6950
Connection ~ 3250 6950
$Comp
L D D1
U 1 1 57B741F3
P 2300 6700
F 0 "D1" H 2300 6800 50  0000 C CNN
F 1 "D1" H 2300 6600 50  0001 C CNN
F 2 "" H 2300 6700 50  0000 C CNN
F 3 "" H 2300 6700 50  0000 C CNN
	1    2300 6700
	1    0    0    1   
$EndComp
Text HLabel 2050 6700 0    50   Input ~ 0
IN_B
$Comp
L D D2
U 1 1 57B741FA
P 2300 6450
F 0 "D2" H 2300 6550 50  0000 C CNN
F 1 "D2" H 2300 6350 50  0001 C CNN
F 2 "" H 2300 6450 50  0000 C CNN
F 3 "" H 2300 6450 50  0000 C CNN
	1    2300 6450
	1    0    0    1   
$EndComp
Text HLabel 2050 6450 0    50   Input ~ 0
IN_A
Wire Wire Line
	2050 6700 2150 6700
Wire Wire Line
	2050 6450 2150 6450
Wire Wire Line
	2450 6450 2500 6450
Wire Wire Line
	2500 6450 2500 6700
Connection ~ 2500 6700
$Comp
L 2N1305 Q1
U 1 1 57B74833
P 7450 4050
F 0 "Q1" H 7650 4125 50  0000 L CNN
F 1 "2N1305" H 7650 4050 50  0000 L CNN
F 2 "TO-92" H 7650 3975 50  0001 L CIN
F 3 "" H 7450 4050 50  0000 L CNN
	1    7450 4050
	1    0    0    1   
$EndComp
$Comp
L GNDREF #PWR207
U 1 1 57B74839
P 7700 3750
F 0 "#PWR207" H 7700 3500 50  0001 C CNN
F 1 "GNDREF" H 7700 3600 50  0001 C CNN
F 2 "" H 7700 3750 50  0000 C CNN
F 3 "" H 7700 3750 50  0000 C CNN
	1    7700 3750
	1    0    0    -1  
$EndComp
$Comp
L R R2
U 1 1 57B7484B
P 7200 3850
F 0 "R2" V 7280 3850 50  0000 C CNN
F 1 "22k" V 7200 3850 50  0000 C CNN
F 2 "" V 7130 3850 50  0000 C CNN
F 3 "" H 7200 3850 50  0000 C CNN
	1    7200 3850
	1    0    0    -1  
$EndComp
$Comp
L R R1
U 1 1 57B74851
P 7000 4050
F 0 "R1" V 7080 4050 50  0000 C CNN
F 1 "6k8" V 7000 4050 50  0000 C CNN
F 2 "" V 6930 4050 50  0000 C CNN
F 3 "" H 7000 4050 50  0000 C CNN
	1    7000 4050
	0    1    1    0   
$EndComp
$Comp
L +6V #PWR205
U 1 1 57B74857
P 7200 3650
F 0 "#PWR205" H 7200 3500 50  0001 C CNN
F 1 "+6V" H 7200 3790 50  0000 C CNN
F 2 "" H 7200 3650 50  0000 C CNN
F 3 "" H 7200 3650 50  0000 C CNN
	1    7200 3650
	1    0    0    -1  
$EndComp
Text HLabel 6750 4050 0    50   Input ~ 0
IN_A
Text HLabel 8300 4300 2    50   Input ~ 0
OUT
Wire Wire Line
	7550 3850 7550 3700
Wire Wire Line
	7550 3700 7700 3700
Wire Wire Line
	7700 3700 7700 3750
Wire Wire Line
	7150 4050 7250 4050
Wire Wire Line
	7200 4000 7200 4050
Connection ~ 7200 4050
Wire Wire Line
	7200 3650 7200 3700
Wire Wire Line
	6750 4050 6850 4050
Wire Wire Line
	7550 4300 8300 4300
$Comp
L 2N1305 Q2
U 1 1 57B748FE
P 7450 4850
F 0 "Q2" H 7650 4925 50  0000 L CNN
F 1 "2N1305" H 7650 4850 50  0000 L CNN
F 2 "TO-92" H 7650 4775 50  0001 L CIN
F 3 "" H 7450 4850 50  0000 L CNN
	1    7450 4850
	1    0    0    1   
$EndComp
$Comp
L GNDREF #PWR208
U 1 1 57B74904
P 7700 4550
F 0 "#PWR208" H 7700 4300 50  0001 C CNN
F 1 "GNDREF" H 7700 4400 50  0001 C CNN
F 2 "" H 7700 4550 50  0000 C CNN
F 3 "" H 7700 4550 50  0000 C CNN
	1    7700 4550
	1    0    0    -1  
$EndComp
$Comp
L R R5
U 1 1 57B7490A
P 8000 5350
F 0 "R5" V 8080 5350 50  0000 C CNN
F 1 "12k" V 8000 5350 50  0000 C CNN
F 2 "" V 7930 5350 50  0000 C CNN
F 3 "" H 8000 5350 50  0000 C CNN
	1    8000 5350
	1    0    0    -1  
$EndComp
$Comp
L -12V #PWR209
U 1 1 57B74910
P 8000 5600
F 0 "#PWR209" H 8000 5700 50  0001 C CNN
F 1 "-12V" H 8000 5750 50  0000 C CNN
F 2 "" H 8000 5600 50  0000 C CNN
F 3 "" H 8000 5600 50  0000 C CNN
	1    8000 5600
	-1   0    0    1   
$EndComp
$Comp
L R R4
U 1 1 57B74916
P 7200 4650
F 0 "R4" V 7280 4650 50  0000 C CNN
F 1 "22k" V 7200 4650 50  0000 C CNN
F 2 "" V 7130 4650 50  0000 C CNN
F 3 "" H 7200 4650 50  0000 C CNN
	1    7200 4650
	1    0    0    -1  
$EndComp
$Comp
L R R3
U 1 1 57B7491C
P 7000 4850
F 0 "R3" V 7080 4850 50  0000 C CNN
F 1 "6k8" V 7000 4850 50  0000 C CNN
F 2 "" V 6930 4850 50  0000 C CNN
F 3 "" H 7000 4850 50  0000 C CNN
	1    7000 4850
	0    1    1    0   
$EndComp
$Comp
L +6V #PWR206
U 1 1 57B74922
P 7200 4450
F 0 "#PWR206" H 7200 4300 50  0001 C CNN
F 1 "+6V" H 7200 4590 50  0000 C CNN
F 2 "" H 7200 4450 50  0000 C CNN
F 3 "" H 7200 4450 50  0000 C CNN
	1    7200 4450
	1    0    0    -1  
$EndComp
Text HLabel 6750 4850 0    50   Input ~ 0
IN_B
Wire Wire Line
	7550 4650 7550 4500
Wire Wire Line
	7550 4500 7700 4500
Wire Wire Line
	7700 4500 7700 4550
Wire Wire Line
	8000 5500 8000 5600
Wire Wire Line
	7150 4850 7250 4850
Wire Wire Line
	7200 4800 7200 4850
Connection ~ 7200 4850
Wire Wire Line
	7200 4450 7200 4500
Wire Wire Line
	6750 4850 6850 4850
Wire Wire Line
	7550 5100 8000 5100
Wire Wire Line
	7550 4300 7550 4250
Wire Wire Line
	7550 5050 7550 5100
Wire Wire Line
	8000 4300 8000 5200
Connection ~ 8000 4300
Connection ~ 8000 5100
Text Notes 6400 900  0    70   ~ 0
Typical inverter
$EndSCHEMATC