I_AMP.sch 24.6 KB
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EESchema Schematic File Version 2
LIBS:74xgxx
LIBS:74xx
LIBS:ac-dc
LIBS:actel
LIBS:adc-dac
LIBS:Altera
LIBS:analog_devices
LIBS:analog_switches
LIBS:atmel
LIBS:audio
LIBS:brooktre
LIBS:cmos4000
LIBS:cmos_ieee
LIBS:conn
LIBS:contrib
LIBS:cypress
LIBS:dc-dc
LIBS:device
LIBS:digital-audio
LIBS:diode
LIBS:display
LIBS:dsp
LIBS:elec-unifil
LIBS:ESD_Protection
LIBS:ftdi
LIBS:gennum
LIBS:graphic
LIBS:hc11
LIBS:intel
LIBS:interface
LIBS:ir
LIBS:Lattice
LIBS:linear
LIBS:logo
LIBS:maxim
LIBS:memory
LIBS:microchip
LIBS:microchip_dspic33dsc
LIBS:microchip_pic10mcu
LIBS:microchip_pic12mcu
LIBS:microchip_pic16mcu
LIBS:microchip_pic18mcu
LIBS:microchip_pic32mcu
LIBS:microcontrollers
LIBS:motor_drivers
LIBS:motorola
LIBS:msp430
LIBS:nordicsemi
LIBS:nxp_armmcu
LIBS:onsemi
LIBS:opto
LIBS:Oscillators
LIBS:philips
LIBS:power
LIBS:powerint
LIBS:Power_Management
LIBS:references
LIBS:regul
LIBS:relays
LIBS:rfcom
LIBS:sensors
LIBS:silabs
LIBS:siliconi
LIBS:stm8
LIBS:stm32
LIBS:supertex
LIBS:switches
LIBS:texas
LIBS:transf
LIBS:transistors
LIBS:ttl_ieee
LIBS:valves
LIBS:video
LIBS:w_analog
LIBS:w_connectors
LIBS:w_device
LIBS:w_logic
LIBS:w_memory
LIBS:w_microcontrollers
LIBS:w_opto
LIBS:Worldsemi
LIBS:w_relay
LIBS:w_rtx
LIBS:w_transistor
LIBS:w_vacuum
LIBS:Xicor
LIBS:xilinx
LIBS:Zilog
LIBS:I_AMP-cache
EELAYER 25 0
EELAYER END
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$Descr User 8908 6299
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encoding utf-8
Sheet 1 1
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Title "Current Sensor for Materials Analysis"
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Date "2017-12-15"
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Rev "1"
Comp "LAPMA - UFRGS"
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Comment1 "All resistors are 1/8W, except R1 and R2"
Comment2 "There's a saturation indicator for output higher than 5V"
Comment3 "The gain adjust must be set for a range in 0 to 5V output voltage"
Comment4 "Designed by Alisson Claudino"
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$EndDescr
$Comp
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L GND #PWR01
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U 1 1 5A26D72D
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P 1750 1950
F 0 "#PWR01" H 1750 1700 50  0001 C CNN
F 1 "GND" H 1750 1800 50  0000 C CNN
F 2 "" H 1750 1950 50  0000 C CNN
F 3 "" H 1750 1950 50  0000 C CNN
	1    1750 1950
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	1    0    0    -1  
$EndComp
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Text Notes 1550 1650 0    60   ~ 0
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5W
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Text Notes 1850 1650 0    60   ~ 0
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5W
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NoConn ~ 4150 3950
NoConn ~ 4150 3350
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$Comp
L R R1
U 1 1 5A270FC5
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P 1750 1700
F 0 "R1" V 1830 1700 50  0000 C CNN
F 1 "2R2" V 1750 1700 50  0000 C CNN
F 2 "" V 1680 1700 50  0000 C CNN
F 3 "" H 1750 1700 50  0000 C CNN
	1    1750 1700
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	1    0    0    -1  
$EndComp
$Comp
L R R2
U 1 1 5A270FC6
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P 2050 1700
F 0 "R2" V 2130 1700 50  0000 C CNN
F 1 "2R2" V 2050 1700 50  0000 C CNN
F 2 "" V 1980 1700 50  0000 C CNN
F 3 "" H 2050 1700 50  0000 C CNN
	1    2050 1700
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	1    0    0    -1  
$EndComp
$Comp
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L R R5
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U 1 1 5A270FC7
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P 1600 3450
F 0 "R5" V 1680 3450 50  0000 C CNN
F 1 "20k" V 1600 3450 50  0000 C CNN
F 2 "" V 1530 3450 50  0000 C CNN
F 3 "" H 1600 3450 50  0000 C CNN
	1    1600 3450
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	0    1    1    0   
$EndComp
$Comp
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L GND #PWR02
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U 1 1 5A270FC9
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P 1750 1950
F 0 "#PWR02" H 1750 1700 50  0001 C CNN
F 1 "GND" H 1750 1800 50  0000 C CNN
F 2 "" H 1750 1950 50  0000 C CNN
F 3 "" H 1750 1950 50  0000 C CNN
	1    1750 1950
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	1    0    0    -1  
$EndComp
$Comp
L D_Small D1
U 1 1 5A270FCC
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P 2200 2800
F 0 "D1" H 2150 2880 50  0000 L CNN
F 1 "1n4148" H 2050 2720 50  0000 L CNN
F 2 "" V 2200 2800 50  0000 C CNN
F 3 "" V 2200 2800 50  0000 C CNN
	1    2200 2800
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	1    0    0    -1  
$EndComp
$Comp
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L R R6
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U 1 1 5A270FCD
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P 2200 2600
F 0 "R6" V 2280 2600 50  0000 C CNN
F 1 "20k" V 2200 2600 50  0000 C CNN
F 2 "" V 2130 2600 50  0000 C CNN
F 3 "" H 2200 2600 50  0000 C CNN
	1    2200 2600
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	0    1    -1   0   
$EndComp
$Comp
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L GND #PWR03
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U 1 1 5A270FCE
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P 1800 3700
F 0 "#PWR03" H 1800 3450 50  0001 C CNN
F 1 "GND" H 1800 3550 50  0000 C CNN
F 2 "" H 1800 3700 50  0000 C CNN
F 3 "" H 1800 3700 50  0000 C CNN
	1    1800 3700
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	1    0    0    -1  
$EndComp
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Text Notes 1550 1650 0    60   ~ 0
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5W
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Text Notes 1850 1650 0    60   ~ 0
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5W
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NoConn ~ 4150 3950
NoConn ~ 4150 3350
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$Comp
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L R R14
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U 1 1 5A270FD6
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P 5400 1000
F 0 "R14" V 5480 1000 50  0000 C CNN
F 1 "10k" V 5400 1000 50  0000 C CNN
F 2 "" V 5330 1000 50  0000 C CNN
F 3 "" H 5400 1000 50  0000 C CNN
	1    5400 1000
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	0    1    1    0   
$EndComp
$Comp
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L C C8
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U 1 1 5A270FD7
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P 5600 1200
F 0 "C8" H 5625 1300 50  0000 L CNN
F 1 "220n" H 5400 1100 50  0000 L CNN
F 2 "" H 5638 1050 50  0000 C CNN
F 3 "" H 5600 1200 50  0000 C CNN
	1    5600 1200
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	1    0    0    -1  
$EndComp
$Comp
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L R R15
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U 1 1 5A270FD8
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P 5800 1200
F 0 "R15" V 5880 1200 50  0000 C CNN
F 1 "RX" V 5800 1200 50  0000 C CNN
F 2 "" V 5730 1200 50  0000 C CNN
F 3 "" H 5800 1200 50  0000 C CNN
	1    5800 1200
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	1    0    0    -1  
$EndComp
$Comp
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L GND #PWR04
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U 1 1 5A270FD9
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P 5700 1450
F 0 "#PWR04" H 5700 1200 50  0001 C CNN
F 1 "GND" H 5700 1300 50  0000 C CNN
F 2 "" H 5700 1450 50  0000 C CNN
F 3 "" H 5700 1450 50  0000 C CNN
	1    5700 1450
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	1    0    0    -1  
$EndComp
$Comp
250
L +8V #PWR05
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U 1 1 5A270FDB
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P 6400 800
F 0 "#PWR05" H 6400 650 50  0001 C CNN
F 1 "+8V" H 6400 940 50  0000 C CNN
F 2 "" H 6400 800 50  0000 C CNN
F 3 "" H 6400 800 50  0000 C CNN
	1    6400 800 
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	1    0    0    -1  
$EndComp
$Comp
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L GND #PWR06
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U 1 1 5A270FDD
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P 3900 3800
F 0 "#PWR06" H 3900 3550 50  0001 C CNN
F 1 "GND" H 3900 3650 50  0000 C CNN
F 2 "" H 3900 3800 50  0000 C CNN
F 3 "" H 3900 3800 50  0000 C CNN
	1    3900 3800
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	1    0    0    -1  
$EndComp
$Comp
272
L ZENERsmall D5
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U 1 1 5A270FE1
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P 7250 1250
F 0 "D5" H 7250 1350 50  0000 C CNN
F 1 "5V1" H 7250 1150 50  0000 C CNN
F 2 "" H 7250 1250 50  0000 C CNN
F 3 "" H 7250 1250 50  0000 C CNN
	1    7250 1250
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	0    1    1    0   
$EndComp
$Comp
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L OPA177 U3
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U 1 1 5A270FDA
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P 6500 1100
F 0 "U3" H 6500 900 50  0000 C CNN
F 1 "OPA277" H 6450 1100 50  0000 C CNN
F 2 "" H 6400 1000 50  0000 C CNN
F 3 "" H 6500 1100 50  0000 C CNN
	1    6500 1100
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	1    0    0    -1  
$EndComp
$Comp
294
L CP C5
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U 1 1 5A270FD3
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P 3950 2900
F 0 "C5" V 4000 3000 50  0000 L CNN
F 1 "10u" V 3800 2850 50  0000 L CNN
F 2 "" H 3988 2750 50  0000 C CNN
F 3 "" H 3950 2900 50  0000 C CNN
	1    3950 2900
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	0    1    1    0   
$EndComp
$Comp
305
L R R12
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U 1 1 5A270FD4
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P 3950 3100
F 0 "R12" V 4030 3100 50  0000 C CNN
F 1 "18k" V 3950 3100 50  0000 C CNN
F 2 "" V 3880 3100 50  0000 C CNN
F 3 "" H 3950 3100 50  0000 C CNN
	1    3950 3100
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	0    1    1    0   
$EndComp
$Comp
L POT RV1
U 1 1 5A270FD5
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P 4350 3100
F 0 "RV1" H 4350 3020 50  0000 C CNN
F 1 "5k" H 4350 3100 50  0000 C CNN
F 2 "" H 4350 3100 50  0000 C CNN
F 3 "" H 4350 3100 50  0000 C CNN
	1    4350 3100
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	1    0    0    -1  
$EndComp
$Comp
L D_Small D2
U 1 1 5A270FCA
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P 2650 3550
F 0 "D2" H 2600 3630 50  0000 L CNN
F 1 "1n4148" H 2500 3470 50  0000 L CNN
F 2 "" V 2650 3550 50  0000 C CNN
F 3 "" V 2650 3550 50  0000 C CNN
	1    2650 3550
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	1    0    0    -1  
$EndComp
$Comp
338
L R R8
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U 1 1 5A270FCB
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P 3150 3550
F 0 "R8" V 3230 3550 50  0000 C CNN
F 1 "10k" V 3150 3550 50  0000 C CNN
F 2 "" V 3080 3550 50  0000 C CNN
F 3 "" H 3150 3550 50  0000 C CNN
	1    3150 3550
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	0    1    1    0   
$EndComp
$Comp
349
L GND #PWR07
350
U 1 1 5A270FD1
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P 2300 3200
F 0 "#PWR07" H 2300 2950 50  0001 C CNN
F 1 "GND" H 2300 3050 50  0000 C CNN
F 2 "" H 2300 3200 50  0000 C CNN
F 3 "" H 2300 3200 50  0000 C CNN
	1    2300 3200
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	0    -1   -1   0   
$EndComp
$Comp
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L -8V #PWR18
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U 1 1 5A270FDC
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P 6400 1400
F 0 "#PWR18" H 6400 1500 50  0001 C CNN
F 1 "-8V" H 6400 1550 50  0000 C CNN
F 2 "" H 6400 1400 50  0000 C CNN
F 3 "" H 6400 1400 50  0000 C CNN
	1    6400 1400
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	1    0    0    1   
$EndComp
$Comp
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L R R18
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U 1 1 5A270FDE
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P 6450 1750
F 0 "R18" V 6530 1750 50  0000 C CNN
F 1 "27k" V 6450 1750 50  0000 C CNN
F 2 "" V 6380 1750 50  0000 C CNN
F 3 "" H 6450 1750 50  0000 C CNN
	1    6450 1750
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	0    1    1    0   
$EndComp
$Comp
382
L C C9
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U 1 1 5A270FDF
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P 6450 2050
F 0 "C9" H 6475 2150 50  0000 L CNN
F 1 "220n" V 6500 1800 50  0000 L CNN
F 2 "" H 6488 1900 50  0000 C CNN
F 3 "" H 6450 2050 50  0000 C CNN
	1    6450 2050
390
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	0    1    1    0   
$EndComp
$Comp
393
L GND #PWR08
394
U 1 1 5A270FE2
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P 7250 1450
F 0 "#PWR08" H 7250 1200 50  0001 C CNN
F 1 "GND" H 7250 1300 50  0000 C CNN
F 2 "" H 7250 1450 50  0000 C CNN
F 3 "" H 7250 1450 50  0000 C CNN
	1    7250 1450
401
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	1    0    0    -1  
$EndComp
$Comp
404
L R R19
405
U 1 1 5A270FE0
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P 7050 1100
F 0 "R19" V 6950 1100 50  0000 C CNN
F 1 "100" V 7050 1100 50  0000 C CNN
F 2 "" V 6980 1100 50  0000 C CNN
F 3 "" H 7050 1100 50  0000 C CNN
	1    7050 1100
412
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	0    1    1    0   
$EndComp
$Comp
L TL062 U1
U 2 1 5A270FD2
417
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422
P 4250 3650
F 0 "U1" H 4200 3650 50  0000 L CNN
F 1 "TL062" H 4200 3500 50  0000 L CNN
F 2 "" H 4250 3650 50  0000 C CNN
F 3 "" H 4250 3650 50  0000 C CNN
	2    4250 3650
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	1    0    0    1   
$EndComp
$Comp
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L C_Small C2
427
U 1 1 5A270FCF
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P 2200 3200
F 0 "C2" V 2300 3300 50  0000 L CNN
F 1 "100n" V 2100 3150 50  0000 L CNN
F 2 "" H 2200 3200 50  0000 C CNN
F 3 "" H 2200 3200 50  0000 C CNN
	1    2200 3200
434
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	0    1    1    0   
$EndComp
$Comp
437
L -8V #PWR5
438
U 1 1 5A270FD0
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444
P 2050 3150
F 0 "#PWR5" H 2050 3250 50  0001 C CNN
F 1 "-8V" H 2050 3300 50  0000 C CNN
F 2 "" H 2050 3150 50  0000 C CNN
F 3 "" H 2050 3150 50  0000 C CNN
	1    2050 3150
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449
	1    0    0    -1  
$EndComp
$Comp
L BNC P1
U 1 1 5A270FC4
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451
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P 1100 1500
F 0 "P1" H 1250 1400 50  0000 C CNN
F 1 "INPUT" H 1100 1650 50  0000 C CNN
F 2 "" H 1100 1500 50  0000 C CNN
F 3 "" H 1100 1500 50  0000 C CNN
	1    1100 1500
456
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	-1   0    0    -1  
$EndComp
$Comp
459
L BNC P6
460
U 1 1 5A270FE3
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P 7800 1100
F 0 "P6" H 7950 1000 50  0000 C CNN
F 1 "OUTPUT (0-5V)" H 7800 1250 50  0000 C CNN
F 2 "" H 7800 1100 50  0000 C CNN
F 3 "" H 7800 1100 50  0000 C CNN
	1    7800 1100
467
468
469
	1    0    0    -1  
$EndComp
$Comp
470
L GND #PWR09
471
U 1 1 5A2738F2
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P 2300 3900
F 0 "#PWR09" H 2300 3650 50  0001 C CNN
F 1 "GND" H 2300 3750 50  0000 C CNN
F 2 "" H 2300 3900 50  0000 C CNN
F 3 "" H 2300 3900 50  0000 C CNN
	1    2300 3900
478
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	0    -1   -1   0   
$EndComp
$Comp
481
L C_Small C3
482
U 1 1 5A2738F8
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P 2200 3900
F 0 "C3" V 2300 4000 50  0000 L CNN
F 1 "100n" V 2100 3850 50  0000 L CNN
F 2 "" H 2200 3900 50  0000 C CNN
F 3 "" H 2200 3900 50  0000 C CNN
	1    2200 3900
489
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	0    1    1    0   
$EndComp
$Comp
L TL062 U1
U 1 1 5A270FC8
494
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P 2150 3550
F 0 "U1" H 2100 3550 50  0000 L CNN
F 1 "TL062" H 2200 3450 50  0000 L CNN
F 2 "" H 2150 3550 50  0000 C CNN
F 3 "" H 2150 3550 50  0000 C CNN
	1    2150 3550
500
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	1    0    0    1   
$EndComp
$Comp
503
L +8V #PWR010
504
U 1 1 5A273BD0
505
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509
510
P 2050 3950
F 0 "#PWR010" H 2050 3800 50  0001 C CNN
F 1 "+8V" H 2050 4090 50  0000 C CNN
F 2 "" H 2050 3950 50  0000 C CNN
F 3 "" H 2050 3950 50  0000 C CNN
	1    2050 3950
511
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513
	-1   0    0    1   
$EndComp
$Comp
514
L LM393 U2
515
U 1 1 5A27494E
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519
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521
P 6600 3200
F 0 "U2" H 6650 3200 50  0000 C CNN
F 1 "LM393" H 6850 3050 50  0000 C CNN
F 2 "" H 6600 3200 50  0000 C CNN
F 3 "" H 6600 3200 50  0000 C CNN
	1    6600 3200
522
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	1    0    0    1   
$EndComp
$Comp
525
L LM393 U2
526
U 2 1 5A27494F
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P 2350 5100
F 0 "U2" H 2500 5250 50  0000 C CNN
F 1 "LM393" H 2600 4950 50  0000 C CNN
F 2 "" H 2350 5100 50  0000 C CNN
F 3 "" H 2350 5100 50  0000 C CNN
	2    2350 5100
533
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	1    0    0    -1  
$EndComp
$Comp
536
L R R11
537
U 1 1 5A274950
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539
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541
542
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P 6200 2900
F 0 "R11" V 6280 2900 50  0000 C CNN
F 1 "2k7" V 6200 2900 50  0000 C CNN
F 2 "" V 6130 2900 50  0000 C CNN
F 3 "" H 6200 2900 50  0000 C CNN
	1    6200 2900
544
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	-1   0    0    1   
$EndComp
$Comp
547
L C_Small C6
548
U 1 1 5A274951
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552
553
554
P 6650 2800
F 0 "C6" V 6750 2800 50  0000 L CNN
F 1 "100n" V 6550 2700 50  0000 L CNN
F 2 "" H 6650 2800 50  0000 C CNN
F 3 "" H 6650 2800 50  0000 C CNN
	1    6650 2800
555
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557
	0    1    1    0   
$EndComp
$Comp
558
L GND #PWR011
559
U 1 1 5A274952
560
561
562
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P 6750 2800
F 0 "#PWR011" H 6750 2550 50  0001 C CNN
F 1 "GND" H 6750 2650 50  0000 C CNN
F 2 "" H 6750 2800 50  0000 C CNN
F 3 "" H 6750 2800 50  0000 C CNN
	1    6750 2800
566
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568
	0    -1   -1   0   
$EndComp
$Comp
569
L -8V #PWR19
570
U 1 1 5A274953
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572
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P 6500 2700
F 0 "#PWR19" H 6500 2800 50  0001 C CNN
F 1 "-8V" H 6500 2850 50  0000 C CNN
F 2 "" H 6500 2700 50  0000 C CNN
F 3 "" H 6500 2700 50  0000 C CNN
	1    6500 2700
577
578
579
	1    0    0    -1  
$EndComp
$Comp
580
L R R9
581
U 1 1 5A274956
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P 5900 3100
F 0 "R9" V 5980 3100 50  0000 C CNN
F 1 "3k3" V 5900 3100 50  0000 C CNN
F 2 "" V 5830 3100 50  0000 C CNN
F 3 "" H 5900 3100 50  0000 C CNN
	1    5900 3100
588
589
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	1    0    0    -1  
$EndComp
$Comp
591
L R R10
592
U 1 1 5A274957
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595
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P 5900 3500
F 0 "R10" V 5980 3500 50  0000 C CNN
F 1 "5k6" V 5900 3500 50  0000 C CNN
F 2 "" V 5830 3500 50  0000 C CNN
F 3 "" H 5900 3500 50  0000 C CNN
	1    5900 3500
599
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601
	1    0    0    -1  
$EndComp
$Comp
602
L +8V #PWR012
603
U 1 1 5A274958
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605
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P 6500 3600
F 0 "#PWR012" H 6500 3450 50  0001 C CNN
F 1 "+8V" H 6500 3740 50  0000 C CNN
F 2 "" H 6500 3600 50  0000 C CNN
F 3 "" H 6500 3600 50  0000 C CNN
	1    6500 3600
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612
	1    0    0    1   
$EndComp
$Comp
613
L C_Small C7
614
U 1 1 5A274959
615
616
617
618
619
620
P 6650 3550
F 0 "C7" V 6700 3600 50  0000 L CNN
F 1 "100n" V 6550 3500 50  0000 L CNN
F 2 "" H 6650 3550 50  0000 C CNN
F 3 "" H 6650 3550 50  0000 C CNN
	1    6650 3550
621
622
623
	0    1    -1   0   
$EndComp
$Comp
624
L GND #PWR013
625
U 1 1 5A27495A
626
627
628
629
630
631
P 6750 3550
F 0 "#PWR013" H 6750 3300 50  0001 C CNN
F 1 "GND" H 6750 3400 50  0000 C CNN
F 2 "" H 6750 3550 50  0000 C CNN
F 3 "" H 6750 3550 50  0000 C CNN
	1    6750 3550
632
633
634
	0    -1   1    0   
$EndComp
$Comp
635
L +8V #PWR014
636
U 1 1 5A27495B
637
638
639
640
641
642
P 5900 2950
F 0 "#PWR014" H 5900 2800 50  0001 C CNN
F 1 "+8V" H 5900 3090 50  0000 C CNN
F 2 "" H 5900 2950 50  0000 C CNN
F 3 "" H 5900 2950 50  0000 C CNN
	1    5900 2950
643
644
645
	-1   0    0    -1  
$EndComp
$Comp
646
L GND #PWR015
647
U 1 1 5A27495C
648
649
650
651
652
653
P 5900 3650
F 0 "#PWR015" H 5900 3400 50  0001 C CNN
F 1 "GND" H 5900 3500 50  0000 C CNN
F 2 "" H 5900 3650 50  0000 C CNN
F 3 "" H 5900 3650 50  0000 C CNN
	1    5900 3650
654
655
656
	-1   0    0    -1  
$EndComp
$Comp
657
L R R13
658
U 1 1 5A27495D
659
660
661
662
663
664
P 6350 3950
F 0 "R13" V 6430 3950 50  0000 C CNN
F 1 "27k" V 6350 3950 50  0000 C CNN
F 2 "" V 6280 3950 50  0000 C CNN
F 3 "" H 6350 3950 50  0000 C CNN
	1    6350 3950
665
666
667
	0    1    1    0   
$EndComp
$Comp
668
L D_Small D3
669
U 1 1 5A27495E
670
671
672
673
674
675
P 6700 3950
F 0 "D3" H 6650 4030 50  0000 L CNN
F 1 "1n4148" H 6550 3870 50  0000 L CNN
F 2 "" V 6700 3950 50  0000 C CNN
F 3 "" V 6700 3950 50  0000 C CNN
	1    6700 3950
676
677
678
	-1   0    0    -1  
$EndComp
$Comp
679
L LED D4
680
U 1 1 5A27495F
681
682
683
684
685
686
P 7550 3000
F 0 "D4" H 7550 2900 50  0000 C CNN
F 1 "SATURATION_LED" H 7550 3150 50  0000 C CNN
F 2 "" H 7550 3000 50  0000 C CNN
F 3 "" H 7550 3000 50  0000 C CNN
	1    7550 3000
687
688
689
	0    1    -1   0   
$EndComp
$Comp
690
L R R17
691
U 1 1 5A274960
692
693
694
695
696
697
P 7350 2750
F 0 "R17" V 7430 2750 50  0000 C CNN
F 1 "2k7" V 7350 2750 50  0000 C CNN
F 2 "" V 7280 2750 50  0000 C CNN
F 3 "" H 7350 2750 50  0000 C CNN
	1    7350 2750
698
699
700
	0    -1   -1   0   
$EndComp
$Comp
701
L +8V #PWR016
702
U 1 1 5A274961
703
704
705
706
707
708
P 7150 2700
F 0 "#PWR016" H 7150 2550 50  0001 C CNN
F 1 "+8V" H 7150 2840 50  0000 C CNN
F 2 "" H 7150 2700 50  0000 C CNN
F 3 "" H 7150 2700 50  0000 C CNN
	1    7150 2700
709
710
711
	-1   0    0    -1  
$EndComp
$Comp
712
L GND #PWR017
713
U 1 1 5A274962
714
715
716
717
718
719
P 1950 5250
F 0 "#PWR017" H 1950 5000 50  0001 C CNN
F 1 "GND" H 1950 5100 50  0000 C CNN
F 2 "" H 1950 5250 50  0000 C CNN
F 3 "" H 1950 5250 50  0000 C CNN
	1    1950 5250
720
721
	1    0    0    -1  
$EndComp
722
723
724
NoConn ~ 2250 4800
NoConn ~ 2250 5400
NoConn ~ 2650 5100
725
$Comp
726
L CONN_01X01 P2
727
U 1 1 5A274963
728
729
730
731
732
733
P 3050 1200
F 0 "P2" H 3050 1300 50  0000 C CNN
F 1 "+8" V 3150 1200 50  0000 C CNN
F 2 "" H 3050 1200 50  0000 C CNN
F 3 "" H 3050 1200 50  0000 C CNN
	1    3050 1200
734
735
736
	-1   0    0    -1  
$EndComp
$Comp
737
L CONN_01X01 P3
738
U 1 1 5A274964
739
740
741
742
743
744
P 3050 1500
F 0 "P3" H 3050 1600 50  0000 C CNN
F 1 "-8" V 3150 1500 50  0000 C CNN
F 2 "" H 3050 1500 50  0000 C CNN
F 3 "" H 3050 1500 50  0000 C CNN
	1    3050 1500
745
746
747
	-1   0    0    -1  
$EndComp
$Comp
748
L CONN_01X01 P4
749
U 1 1 5A274965
750
751
752
753
754
755
P 3050 1800
F 0 "P4" H 3050 1900 50  0000 C CNN
F 1 "GND" V 3150 1800 50  0000 C CNN
F 2 "" H 3050 1800 50  0000 C CNN
F 3 "" H 3050 1800 50  0000 C CNN
	1    3050 1800
756
757
758
	-1   0    0    -1  
$EndComp
$Comp
759
L R R3
760
U 1 1 5A274966
761
762
763
764
765
766
P 3400 1200
F 0 "R3" V 3480 1200 50  0000 C CNN
F 1 "10" V 3400 1200 50  0000 C CNN
F 2 "" V 3330 1200 50  0000 C CNN
F 3 "" H 3400 1200 50  0000 C CNN
	1    3400 1200
767
768
769
	0    1    1    0   
$EndComp
$Comp
770
L R R4
771
U 1 1 5A274967
772
773
774
775
776
777
P 3400 1500
F 0 "R4" V 3480 1500 50  0000 C CNN
F 1 "10" V 3400 1500 50  0000 C CNN
F 2 "" V 3330 1500 50  0000 C CNN
F 3 "" H 3400 1500 50  0000 C CNN
	1    3400 1500
778
779
780
	0    1    1    0   
$EndComp
$Comp
781
L CP_Small C1
782
U 1 1 5A274968
783
784
785
786
787
788
P 3700 1650
F 0 "C1" H 3710 1720 50  0000 L CNN
F 1 "22u" H 3710 1570 50  0000 L CNN
F 2 "" H 3700 1650 50  0000 C CNN
F 3 "" H 3700 1650 50  0000 C CNN
	1    3700 1650
789
790
791
	1    0    0    1   
$EndComp
$Comp
792
L CP_Small C4
793
U 1 1 5A274969
794
795
796
797
798
799
P 4300 1650
F 0 "C4" H 4310 1720 50  0000 L CNN
F 1 "22u" H 4310 1570 50  0000 L CNN
F 2 "" H 4300 1650 50  0000 C CNN
F 3 "" H 4300 1650 50  0000 C CNN
	1    4300 1650
800
801
802
	1    0    0    -1  
$EndComp
$Comp
803
L GND #PWR018
804
U 1 1 5A27496A
805
806
807
808
809
810
P 3700 1850
F 0 "#PWR018" H 3700 1600 50  0001 C CNN
F 1 "GND" H 3700 1700 50  0000 C CNN
F 2 "" H 3700 1850 50  0000 C CNN
F 3 "" H 3700 1850 50  0000 C CNN
	1    3700 1850
811
812
813
	1    0    0    -1  
$EndComp
$Comp
814
L +8V #PWR019
815
U 1 1 5A27496B
816
817
818
819
820
821
P 4300 1150
F 0 "#PWR019" H 4300 1000 50  0001 C CNN
F 1 "+8V" H 4300 1290 50  0000 C CNN
F 2 "" H 4300 1150 50  0000 C CNN
F 3 "" H 4300 1150 50  0000 C CNN
	1    4300 1150
822
823
824
	1    0    0    -1  
$EndComp
$Comp
825
L -8V #PWR9
826
U 1 1 5A27496C
827
828
829
830
831
832
P 3700 1450
F 0 "#PWR9" H 3700 1550 50  0001 C CNN
F 1 "-8V" H 3700 1600 50  0000 C CNN
F 2 "" H 3700 1450 50  0000 C CNN
F 3 "" H 3700 1450 50  0000 C CNN
	1    3700 1450
833
834
835
	1    0    0    -1  
$EndComp
$Comp
836
L PWR_FLAG #FLG020
837
U 1 1 5A27496D
838
839
840
841
842
843
P 3700 1100
F 0 "#FLG020" H 3700 1195 50  0001 C CNN
F 1 "PWR_FLAG" H 3700 1280 50  0000 C CNN
F 2 "" H 3700 1100 50  0000 C CNN
F 3 "" H 3700 1100 50  0000 C CNN
	1    3700 1100
844
845
846
	1    0    0    -1  
$EndComp
$Comp
847
L PWR_FLAG #FLG021
848
U 1 1 5A27496E
849
850
851
852
853
854
P 4000 1450
F 0 "#FLG021" H 4000 1545 50  0001 C CNN
F 1 "PWR_FLAG" H 4000 1630 50  0000 C CNN
F 2 "" H 4000 1450 50  0000 C CNN
F 3 "" H 4000 1450 50  0000 C CNN
	1    4000 1450
855
856
857
	1    0    0    -1  
$EndComp
$Comp
858
L PWR_FLAG #FLG022
859
U 1 1 5A27496F
860
861
862
863
864
865
P 4000 1850
F 0 "#FLG022" H 4000 1945 50  0001 C CNN
F 1 "PWR_FLAG" H 4000 2030 50  0000 C CNN
F 2 "" H 4000 1850 50  0000 C CNN
F 3 "" H 4000 1850 50  0000 C CNN
	1    4000 1850
866
867
	1    0    0    1   
$EndComp
868
Text Notes 3100 2250 0    60   ~ 0
869
POWER - Symmetric 8V\n
870
Text Notes 6350 4250 0    60   ~ 0
871
Saturation Indicator
872
Text Notes 1350 2300 0    60   ~ 0
873
I to V Converter\n
874
Wire Wire Line
875
	1250 1500 2200 1500
876
Wire Wire Line
877
	1250 3450 1450 3450
878
Wire Wire Line
879
	2050 1500 2050 1550
880
Wire Wire Line
881
882
883
	1750 1500 1750 1550
Connection ~ 2050 1500
Connection ~ 1750 1500
884
Wire Wire Line
885
	1100 1700 1100 1900
886
Wire Wire Line
887
	1100 1900 2050 1900
888
Wire Wire Line
889
	2050 1900 2050 1850
890
Wire Wire Line
891
892
	1750 1850 1750 1950
Connection ~ 1750 1900
893
Wire Wire Line
894
	1750 3450 1850 3450
895
Wire Wire Line
896
	2450 3550 2550 3550
897
Wire Wire Line
898
	2750 3550 3000 3550
899
Wire Wire Line
900
	2300 2800 2500 2800
901
Wire Wire Line
902
903
	2500 2800 2500 3550
Connection ~ 2500 3550
904
Wire Wire Line
905
	2100 2800 1800 2800
906
Wire Wire Line
907
908
	1800 2600 1800 3450
Connection ~ 1800 3450
909
Wire Wire Line
910
	3300 3550 3950 3550
911
Wire Wire Line
912
	3500 2900 3500 4200
913
Wire Wire Line
914
915
	1350 4200 1350 3450
Connection ~ 1350 3450
916
Wire Wire Line
917
	2350 2600 2800 2600
918
Wire Wire Line
919
920
	2800 2600 2800 3550
Connection ~ 2800 3550
921
Wire Wire Line
922
923
	2050 2600 1800 2600
Connection ~ 1800 2800
924
Wire Wire Line
925
	1800 3700 1800 3650
926
Wire Wire Line
927
	1800 3650 1850 3650
928
Wire Wire Line
929
	2050 3150 2050 3250
930
Wire Wire Line
931
932
933
	2050 3200 2100 3200
Connection ~ 2050 3200
Connection ~ 3500 3550
934
Wire Wire Line
935
	3500 2900 3800 2900
936
Wire Wire Line
937
938
	3800 3100 3500 3100
Connection ~ 3500 3100
939
Wire Wire Line
940
	4100 3100 4200 3100
941
Wire Wire Line
942
	4100 2900 4650 2900
943
Wire Wire Line
944
	4350 2900 4350 2950
945
Wire Wire Line
946
	4650 2900 4650 3650
947
Wire Wire Line
948
949
	4550 3650 4750 3650
Connection ~ 4350 2900
950
Wire Wire Line
951
952
953
	4500 3100 4650 3100
Connection ~ 4650 3100
Connection ~ 4650 3650
954
Wire Wire Line
955
	5550 1000 6200 1000
956
Wire Wire Line
957
	5600 1000 5600 1050
958
Wire Wire Line
959
960
	5800 1000 5800 1050
Connection ~ 5600 1000
961
Wire Wire Line
962
	5600 1350 5600 1400
963
Wire Wire Line
964
	5600 1400 5800 1400
965
Wire Wire Line
966
	5800 1400 5800 1350
967
Wire Wire Line
968
969
970
	5700 1450 5700 1400
Connection ~ 5700 1400
Connection ~ 5800 1000
971
Wire Wire Line
972
	3900 3800 3900 3750
973
Wire Wire Line
974
	3900 3750 3950 3750
975
Wire Wire Line
976
	6250 2050 6300 2050
977
Wire Wire Line
978
	6250 1750 6250 2050
979
Wire Wire Line
980
	6250 1750 6300 1750
981
Wire Wire Line
982
	6050 1900 6250 1900
983
Wire Wire Line
984
	6100 1200 6100 1900
985
Wire Wire Line
986
987
	6100 1200 6200 1200
Connection ~ 6250 1900
988
Wire Wire Line
989
	6600 1750 6650 1750
990
Wire Wire Line
991
	6650 1750 6650 2050
992
Wire Wire Line
993
994
	6650 2050 6600 2050
Connection ~ 6650 1900
995
Wire Wire Line
996
	7200 1100 7650 1100
997
Wire Wire Line
998
999
	7250 1100 7250 1150
Connection ~ 7250 1100
1000
Wire Wire Line
1001
	7250 1350 7250 1450
1002
Wire Wire Line
1003
	7250 1400 7800 1400
1004
Wire Wire Line
1005
1006
	7800 1400 7800 1300
Connection ~ 7250 1400
1007
Wire Wire Line
1008
1009
	2050 3900 2100 3900
Connection ~ 2050 3900
1010
Wire Wire Line
1011
	2050 3850 2050 3950
1012
Wire Wire Line
1013
	6200 3050 6200 3100
1014
Wire Wire Line
1015
	6200 3100 6300 3100
1016
Wire Wire Line
1017
1018
	6500 2800 6550 2800
Connection ~ 6500 2800
1019
Wire Wire Line
1020
	6500 2700 6500 2900
1021
Wire Wire Line
1022
	6200 2750 6200 2600
1023
Wire Wire Line
1024
	6550 3550 6500 3550
1025
Wire Wire Line
1026
1027
	6500 3500 6500 3600
Connection ~ 6500 3550
1028
Wire Wire Line
1029
	5900 3250 5900 3350
1030
Wire Wire Line
1031
1032
	5900 3300 6300 3300
Connection ~ 5900 3300
1033
Wire Wire Line
1034
	6800 3950 7000 3950
1035
Wire Wire Line
1036
	6500 3950 6600 3950
1037
Wire Wire Line
1038
	6200 3950 6150 3950
1039
Wire Wire Line
1040
1041
	6150 3950 6150 3300
Connection ~ 6150 3300
1042
Wire Wire Line
1043
	7550 2800 7550 2750
1044
Wire Wire Line
1045
	7550 2750 7500 2750
1046
Wire Wire Line
1047
	7150 2700 7150 2750
1048
Wire Wire Line
1049
	7150 2750 7200 2750
1050
Wire Wire Line
1051
	2050 5000 1950 5000
1052
Wire Wire Line
1053
	1950 5000 1950 5250
1054
Wire Wire Line
1055
1056
	1950 5200 2050 5200
Connection ~ 1950 5200
1057
Wire Wire Line
1058
	3700 1450 3700 1550
1059
Wire Wire Line
1060
	3550 1500 4000 1500
1061
Wire Wire Line
1062
	4300 1150 4300 1550
1063
Wire Wire Line
1064
	3550 1200 4300 1200
1065
Wire Wire Line
1066
	3700 1750 3700 1850
1067
Wire Wire Line
1068
	3250 1800 4300 1800
1069
Wire Wire Line
1070
1071
1072
	4300 1800 4300 1750
Connection ~ 3700 1800
Connection ~ 4300 1200
1073
Wire Wire Line
1074
1075
	3700 1100 3700 1200
Connection ~ 3700 1200
1076
Wire Wire Line
1077
1078
	4000 1500 4000 1450
Connection ~ 3700 1500
1079
Wire Wire Line
1080
1081
	4000 1850 4000 1800
Connection ~ 4000 1800
1082
Wire Notes Line
1083
	2800 2350 4500 2350
1084
Wire Notes Line
1085
	4500 2350 4500 800 
1086
Wire Notes Line
1087
	4500 800  2800 800 
1088
Wire Notes Line
1089
	2800 800  2800 2350
1090
Wire Notes Line
1091
	850  2400 5350 2400
1092
$Comp
1093
L R R16
1094
U 1 1 5A278213
1095
1096
1097
1098
1099
1100
P 5900 1900
F 0 "R16" V 5980 1900 50  0000 C CNN
F 1 "2k7" V 5900 1900 50  0000 C CNN
F 2 "" V 5830 1900 50  0000 C CNN
F 3 "" H 5900 1900 50  0000 C CNN
	1    5900 1900
1101
1102
1103
1104
1105
	0    1    1    0   
$EndComp
$Comp
L POT RV2
U 1 1 5A278290
1106
1107
1108
1109
1110
1111
P 5600 1900
F 0 "RV2" H 5600 1820 50  0000 C CNN
F 1 "50k" H 5600 1900 50  0000 C CNN
F 2 "" H 5600 1900 50  0000 C CNN
F 3 "" H 5600 1900 50  0000 C CNN
	1    5600 1900
1112
1113
1114
	1    0    0    -1  
$EndComp
Wire Wire Line
Alisson Claudino's avatar