EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L project_oscillator:R R?
U 1 1 5FC9C612
P 4900 3000
F 0 "R?" H 4970 3046 50  0000 L CNN
F 1 "4R1" H 4970 2955 50  0000 L CNN
F 2 "project_oscillator:R_0603" V 4830 3000 50  0001 C CNN
F 3 "~" H 4900 3000 50  0001 C CNN
	1    4900 3000
	1    0    0    -1  
$EndComp
$Comp
L project_oscillator:PT100 TH?
U 1 1 5FCD1335
P 4900 2650
F 0 "TH?" H 4998 2696 50  0000 L CNN
F 1 "PT100" H 4998 2605 50  0000 L CNN
F 2 "project_oscillator:R_0603" H 4900 2700 50  0001 C CNN
F 3 "https://www.heraeus.com/media/media/group/doc_group/products_1/hst/sot_to/de_15/to_92_d.pdf" H 4900 2700 50  0001 C CNN
	1    4900 2650
	1    0    0    -1  
$EndComp
$Comp
L project_oscillator:R R?
U 1 1 5FCD2027
P 4550 2300
F 0 "R?" V 4450 2200 50  0000 L CNN
F 1 "10k" V 4650 2200 50  0000 L CNN
F 2 "project_oscillator:R_0603" V 4480 2300 50  0001 C CNN
F 3 "~" H 4550 2300 50  0001 C CNN
	1    4550 2300
	0    1    1    0   
$EndComp
$Comp
L project_oscillator:BCM847 Q?
U 1 1 5FCD33C7
P 6000 2300
F 0 "Q?" H 6000 2665 50  0000 C CNN
F 1 "BCM847" H 6000 2574 50  0000 C CNN
F 2 "project_oscillator:SOT-457, SC-74" H 5950 2150 50  0001 C CNN
F 3 "" H 5950 2150 50  0001 C CNN
	1    6000 2300
	1    0    0    -1  
$EndComp
Wire Wire Line
	5700 2150 5550 2150
Wire Wire Line
	5550 2150 5550 1800
Wire Wire Line
	5550 1800 6500 1800
Wire Wire Line
	6500 1800 6500 2450
Wire Wire Line
	6500 2450 6300 2450
Wire Wire Line
	5600 2450 5700 2450
$Comp
L power:GND #PWR?
U 1 1 5FCD7D2A
P 6400 2500
F 0 "#PWR?" H 6400 2250 50  0001 C CNN
F 1 "GND" H 6405 2327 50  0000 C CNN
F 2 "" H 6400 2500 50  0001 C CNN
F 3 "" H 6400 2500 50  0001 C CNN
	1    6400 2500
	1    0    0    -1  
$EndComp
Wire Wire Line
	5600 2850 6500 2850
Wire Wire Line
	5600 2450 5600 2850
Wire Wire Line
	6400 2500 6400 2300
Wire Wire Line
	6400 2300 6300 2300
$Comp
L power:+12V #PWR?
U 1 1 5FCD9521
P 6400 1450
F 0 "#PWR?" H 6400 1300 50  0001 C CNN
F 1 "+12V" H 6415 1623 50  0000 C CNN
F 2 "" H 6400 1450 50  0001 C CNN
F 3 "" H 6400 1450 50  0001 C CNN
	1    6400 1450
	1    0    0    -1  
$EndComp
$Comp
L project_oscillator:R R?
U 1 1 5FCDA509
P 6400 1600
F 0 "R?" H 6470 1646 50  0000 L CNN
F 1 "R" H 6470 1555 50  0000 L CNN
F 2 "project_oscillator:R_0603" V 6330 1600 50  0001 C CNN
F 3 "~" H 6400 1600 50  0001 C CNN
	1    6400 1600
	1    0    0    -1  
$EndComp
Wire Wire Line
	6400 1750 6400 2000
Wire Wire Line
	6400 2150 6300 2150
$Comp
L power:GND #PWR?
U 1 1 5FCDB261
P 4900 3150
F 0 "#PWR?" H 4900 2900 50  0001 C CNN
F 1 "GND" H 4905 2977 50  0000 C CNN
F 2 "" H 4900 3150 50  0001 C CNN
F 3 "" H 4900 3150 50  0001 C CNN
	1    4900 3150
	1    0    0    -1  
$EndComp
$Comp
L project_oscillator:R R?
U 1 1 5FCDBDDA
P 6750 2450
F 0 "R?" V 6650 2350 50  0000 L CNN
F 1 "91R" V 6850 2350 50  0000 L CNN
F 2 "project_oscillator:R_0603" V 6680 2450 50  0001 C CNN
F 3 "~" H 6750 2450 50  0001 C CNN
	1    6750 2450
	0    1    1    0   
$EndComp
Wire Wire Line
	6500 2450 6600 2450
Connection ~ 6500 2450
$Comp
L Amplifier_Operational:TL082 U?
U 1 1 5FCDFD33
P 7200 2450
F 0 "U?" H 7200 2083 50  0000 C CNN
F 1 "TL082" H 7200 2174 50  0000 C CNN
F 2 "" H 7200 2450 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/tl081.pdf" H 7200 2450 50  0001 C CNN
	1    7200 2450
	-1   0    0    1   
$EndComp
$Comp
L Amplifier_Operational:TL082 U?
U 2 1 5FCE13DF
P 10200 1400
F 0 "U?" H 10200 1767 50  0000 C CNN
F 1 "TL082" H 10200 1676 50  0000 C CNN
F 2 "" H 10200 1400 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/tl081.pdf" H 10200 1400 50  0001 C CNN
	2    10200 1400
	1    0    0    -1  
$EndComp
$Comp
L Amplifier_Operational:TL082 U?
U 3 1 5FCE28C4
P 1650 1500
F 0 "U?" H 1608 1546 50  0000 L CNN
F 1 "TL082" H 1608 1455 50  0000 L CNN
F 2 "" H 1650 1500 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/tl081.pdf" H 1650 1500 50  0001 C CNN
	3    1650 1500
	1    0    0    -1  
$EndComp
$Comp
L Device:C C?
U 1 1 5FCE6EB5
P 1950 1500
F 0 "C?" H 2065 1546 50  0000 L CNN
F 1 "C" H 2065 1455 50  0000 L CNN
F 2 "" H 1988 1350 50  0001 C CNN
F 3 "~" H 1950 1500 50  0001 C CNN
	1    1950 1500
	1    0    0    -1  
$EndComp
Wire Wire Line
	1550 1200 1950 1200
Wire Wire Line
	1950 1200 1950 1350
Wire Wire Line
	1550 1800 1950 1800
Wire Wire Line
	1950 1800 1950 1650
$Comp
L power:+12V #PWR?
U 1 1 5FCE9518
P 1950 1200
F 0 "#PWR?" H 1950 1050 50  0001 C CNN
F 1 "+12V" H 1965 1373 50  0000 C CNN
F 2 "" H 1950 1200 50  0001 C CNN
F 3 "" H 1950 1200 50  0001 C CNN
	1    1950 1200
	1    0    0    -1  
$EndComp
Connection ~ 1950 1200
$Comp
L power:-12V #PWR?
U 1 1 5FCE9FFF
P 1950 1800
F 0 "#PWR?" H 1950 1900 50  0001 C CNN
F 1 "-12V" H 1965 1973 50  0000 C CNN
F 2 "" H 1950 1800 50  0001 C CNN
F 3 "" H 1950 1800 50  0001 C CNN
	1    1950 1800
	-1   0    0    1   
$EndComp
Connection ~ 1950 1800
$Comp
L power:GND #PWR?
U 1 1 5FCF1940
P 7600 2600
F 0 "#PWR?" H 7600 2350 50  0001 C CNN
F 1 "GND" H 7605 2427 50  0000 C CNN
F 2 "" H 7600 2600 50  0001 C CNN
F 3 "" H 7600 2600 50  0001 C CNN
	1    7600 2600
	1    0    0    -1  
$EndComp
Wire Wire Line
	7500 2550 7600 2550
Wire Wire Line
	7600 2550 7600 2600
Wire Wire Line
	7500 2350 7600 2350
Wire Wire Line
	7600 2350 7600 2000
Wire Wire Line
	7600 2000 6400 2000
Connection ~ 6400 2000
Wire Wire Line
	6400 2000 6400 2150
Text Label 5950 2850 0    50   ~ 0
I_CTRL
Wire Wire Line
	4700 2300 4900 2300
Wire Wire Line
	4900 2300 4900 2500
Connection ~ 4900 2300
Wire Wire Line
	4900 2300 5700 2300
Wire Wire Line
	4900 2850 4900 2800
$EndSCHEMATC