modular-oscillator/oscillator.sch-bak

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 3600 4100
F 0 "R?" H 3670 4146 50  0000 L CNN
F 1 "4R1" H 3670 4055 50  0000 L CNN
F 2 "project_oscillator:R_0603" V 3530 4100 50  0001 C CNN
F 3 "~" H 3600 4100 50  0001 C CNN
	1    3600 4100
	1    0    0    -1  
$EndComp
$Comp
L project_oscillator:PT100 TH?
U 1 1 5FCD1335
P 3600 3750
F 0 "TH?" H 3698 3796 50  0000 L CNN
F 1 "PT100" H 3698 3705 50  0000 L CNN
F 2 "project_oscillator:R_0603" H 3600 3800 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 3600 3800 50  0001 C CNN
	1    3600 3750
	1    0    0    -1  
$EndComp
$Comp
L project_oscillator:R R?
U 1 1 5FCD2027
P 3250 3400
F 0 "R?" V 3150 3300 50  0000 L CNN
F 1 "10k" V 3350 3300 50  0000 L CNN
F 2 "project_oscillator:R_0603" V 3180 3400 50  0001 C CNN
F 3 "~" H 3250 3400 50  0001 C CNN
	1    3250 3400
	0    1    1    0   
$EndComp
$Comp
L project_oscillator:BCM847 Q?
U 1 1 5FCD33C7
P 4700 3400
F 0 "Q?" H 4700 3765 50  0000 C CNN
F 1 "BCM847" H 4700 3674 50  0000 C CNN
F 2 "project_oscillator:SOT-457, SC-74" H 4650 3250 50  0001 C CNN
F 3 "" H 4650 3250 50  0001 C CNN
	1    4700 3400
	1    0    0    -1  
$EndComp
Wire Wire Line
	4400 3250 4250 3250
Wire Wire Line
	4250 3250 4250 2900
Wire Wire Line
	4250 2900 5200 2900
Wire Wire Line
	5200 2900 5200 3550
Wire Wire Line
	5200 3550 5000 3550
Wire Wire Line
	4300 3550 4400 3550
$Comp
L power:GND #PWR?
U 1 1 5FCD7D2A
P 5100 3600
F 0 "#PWR?" H 5100 3350 50  0001 C CNN
F 1 "GND" H 5105 3427 50  0000 C CNN
F 2 "" H 5100 3600 50  0001 C CNN
F 3 "" H 5100 3600 50  0001 C CNN
	1    5100 3600
	1    0    0    -1  
$EndComp
Wire Wire Line
	4300 3550 4300 3950
Wire Wire Line
	5100 3600 5100 3400
Wire Wire Line
	5100 3400 5000 3400
$Comp
L power:+12V #PWR?
U 1 1 5FCD9521
P 5100 2550
F 0 "#PWR?" H 5100 2400 50  0001 C CNN
F 1 "+12V" H 5115 2723 50  0000 C CNN
F 2 "" H 5100 2550 50  0001 C CNN
F 3 "" H 5100 2550 50  0001 C CNN
	1    5100 2550
	1    0    0    -1  
$EndComp
$Comp
L project_oscillator:R R?
U 1 1 5FCDA509
P 5100 2700
F 0 "R?" H 5170 2746 50  0000 L CNN
F 1 "1.2M" H 5170 2655 50  0000 L CNN
F 2 "project_oscillator:R_0603" V 5030 2700 50  0001 C CNN
F 3 "~" H 5100 2700 50  0001 C CNN
	1    5100 2700
	1    0    0    -1  
$EndComp
Wire Wire Line
	5100 2850 5100 3100
Wire Wire Line
	5100 3250 5000 3250
$Comp
L power:GND #PWR?
U 1 1 5FCDB261
P 3600 4250
F 0 "#PWR?" H 3600 4000 50  0001 C CNN
F 1 "GND" H 3605 4077 50  0000 C CNN
F 2 "" H 3600 4250 50  0001 C CNN
F 3 "" H 3600 4250 50  0001 C CNN
	1    3600 4250
	1    0    0    -1  
$EndComp
$Comp
L project_oscillator:R R?
U 1 1 5FCDBDDA
P 5450 3550
F 0 "R?" V 5350 3450 50  0000 L CNN
F 1 "10k" V 5550 3450 50  0000 L CNN
F 2 "project_oscillator:R_0603" V 5380 3550 50  0001 C CNN
F 3 "~" H 5450 3550 50  0001 C CNN
	1    5450 3550
	0    1    1    0   
$EndComp
Wire Wire Line
	5200 3550 5300 3550
Connection ~ 5200 3550
$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 6300 3700
F 0 "#PWR?" H 6300 3450 50  0001 C CNN
F 1 "GND" H 6305 3527 50  0000 C CNN
F 2 "" H 6300 3700 50  0001 C CNN
F 3 "" H 6300 3700 50  0001 C CNN
	1    6300 3700
	1    0    0    -1  
$EndComp
Wire Wire Line
	6200 3650 6300 3650
Wire Wire Line
	6300 3650 6300 3700
Wire Wire Line
	6200 3450 6300 3450
Wire Wire Line
	6300 3450 6300 3100
Wire Wire Line
	6300 3100 5600 3100
Connection ~ 5100 3100
Wire Wire Line
	5100 3100 5100 3250
Text Label 4650 3950 0    50   ~ 0
I_CTRL
Wire Wire Line
	3400 3400 3600 3400
Wire Wire Line
	3600 3400 3600 3600
Connection ~ 3600 3400
Wire Wire Line
	3600 3400 4400 3400
Wire Wire Line
	3600 3950 3600 3900
$Comp
L Device:C C?
U 1 1 5FCFE79F
P 7200 3450
F 0 "C?" V 6950 3450 50  0000 C CNN
F 1 "2700p" V 7039 3450 50  0000 C CNN
F 2 "" H 7238 3300 50  0001 C CNN
F 3 "~" H 7200 3450 50  0001 C CNN
	1    7200 3450
	0    1    1    0   
$EndComp
Wire Wire Line
	6950 3950 6800 3950
Wire Wire Line
	6800 3950 6800 3450
Wire Wire Line
	6800 3050 7000 3050
Wire Wire Line
	7050 3450 6800 3450
Connection ~ 6800 3450
Wire Wire Line
	6800 3450 6800 3050
Wire Wire Line
	7350 3450 7700 3450
Wire Wire Line
	7700 3450 7700 4050
Wire Wire Line
	7700 3450 7700 3050
Wire Wire Line
	7700 3050 7400 3050
Connection ~ 7700 3450
$Comp
L power:GND #PWR?
U 1 1 5FD3B86E
P 6800 4200
F 0 "#PWR?" H 6800 3950 50  0001 C CNN
F 1 "GND" H 6805 4027 50  0000 C CNN
F 2 "" H 6800 4200 50  0001 C CNN
F 3 "" H 6800 4200 50  0001 C CNN
	1    6800 4200
	1    0    0    -1  
$EndComp
Wire Wire Line
	6800 4200 6800 4150
Wire Wire Line
	6800 4150 6950 4150
Wire Wire Line
	4300 3950 6800 3950
Connection ~ 6800 3950
$Comp
L project_oscillator:R R?
U 1 1 5FCF4C3C
P 6300 2450
F 0 "R?" H 6370 2496 50  0000 L CNN
F 1 "1M" H 6370 2405 50  0000 L CNN
F 2 "project_oscillator:R_0603" V 6230 2450 50  0001 C CNN
F 3 "~" H 6300 2450 50  0001 C CNN
	1    6300 2450
	1    0    0    -1  
$EndComp
$Comp
L project_oscillator:R R?
U 1 1 5FCF5365
P 5900 2450
F 0 "R?" H 5970 2496 50  0000 L CNN
F 1 "110k" H 5970 2405 50  0000 L CNN
F 2 "project_oscillator:R_0603" V 5830 2450 50  0001 C CNN
F 3 "~" H 5900 2450 50  0001 C CNN
	1    5900 2450
	1    0    0    -1  
$EndComp
Wire Wire Line
	5900 2300 5900 2200
Wire Wire Line
	5900 2200 6300 2200
Wire Wire Line
	6300 2200 6300 2300
Wire Wire Line
	6300 2600 6300 3100
Connection ~ 6300 3100
$Comp
L power:GND #PWR?
U 1 1 5FCF6C97
P 5900 2600
F 0 "#PWR?" H 5900 2350 50  0001 C CNN
F 1 "GND" H 5905 2427 50  0000 C CNN
F 2 "" H 5900 2600 50  0001 C CNN
F 3 "" H 5900 2600 50  0001 C CNN
	1    5900 2600
	1    0    0    -1  
$EndComp
$Comp
L Device:C C?
U 1 1 5FCF8C00
P 5600 3400
F 0 "C?" V 5348 3400 50  0000 C CNN
F 1 "100p" V 5439 3400 50  0000 C CNN
F 2 "" H 5638 3250 50  0001 C CNN
F 3 "~" H 5600 3400 50  0001 C CNN
	1    5600 3400
	-1   0    0    1   
$EndComp
Wire Wire Line
	5600 3250 5600 3100
Connection ~ 5600 3100
Wire Wire Line
	5600 3100 5100 3100
$Comp
L project_oscillator:MMBFJ108 Q?
U 1 1 5FD0B020
P 7200 2950
F 0 "Q?" V 6950 3050 50  0000 C CNN
F 1 "MMBFJ108" V 7050 3200 50  0000 C CNN
F 2 "Package_TO_SOT_SMD:SC-59" H 7400 3050 50  0001 C CNN
F 3 "~" H 7200 2950 50  0001 C CNN
	1    7200 2950
	0    1    1    0   
$EndComp
$Comp
L Comparator:LM311 U?
U 1 1 5FD0D9EF
P 8600 4150
F 0 "U?" H 8944 4196 50  0000 L CNN
F 1 "LM311" H 8944 4105 50  0000 L CNN
F 2 "" H 8600 4150 50  0001 C CNN
F 3 "https://www.st.com/resource/en/datasheet/lm311.pdf" H 8600 4150 50  0001 C CNN
	1    8600 4150
	1    0    0    -1  
$EndComp
$Comp
L project_oscillator:R R?
U 1 1 5FD0FDBD
P 8000 4050
F 0 "R?" V 7900 3950 50  0000 L CNN
F 1 "15k" V 8100 3950 50  0000 L CNN
F 2 "project_oscillator:R_0603" V 7930 4050 50  0001 C CNN
F 3 "~" H 8000 4050 50  0001 C CNN
	1    8000 4050
	0    1    1    0   
$EndComp
$Comp
L Device:C C?
U 1 1 5FD103EE
P 8500 3250
F 0 "C?" V 8250 3250 50  0000 C CNN
F 1 "18p" V 8339 3250 50  0000 C CNN
F 2 "" H 8538 3100 50  0001 C CNN
F 3 "~" H 8500 3250 50  0001 C CNN
	1    8500 3250
	0    1    1    0   
$EndComp
$Comp
L power:+12V #PWR?
U 1 1 5FD110E9
P 8500 3850
F 0 "#PWR?" H 8500 3700 50  0001 C CNN
F 1 "+12V" H 8515 4023 50  0000 C CNN
F 2 "" H 8500 3850 50  0001 C CNN
F 3 "" H 8500 3850 50  0001 C CNN
	1    8500 3850
	1    0    0    -1  
$EndComp
$Comp
L power:-12V #PWR?
U 1 1 5FD11853
P 8500 4500
F 0 "#PWR?" H 8500 4600 50  0001 C CNN
F 1 "-12V" H 8515 4673 50  0000 C CNN
F 2 "" H 8500 4500 50  0001 C CNN
F 3 "" H 8500 4500 50  0001 C CNN
	1    8500 4500
	-1   0    0    1   
$EndComp
Wire Wire Line
	8500 4500 8500 4450
Wire Wire Line
	8600 4450 8500 4450
Connection ~ 8500 4450
$Comp
L project_oscillator:R R?
U 1 1 5FD13A4A
P 7900 4450
F 0 "R?" V 7800 4350 50  0000 L CNN
F 1 "10k" V 8000 4350 50  0000 L CNN
F 2 "project_oscillator:R_0603" V 7830 4450 50  0001 C CNN
F 3 "~" H 7900 4450 50  0001 C CNN
	1    7900 4450
	-1   0    0    1   
$EndComp
$Comp
L project_oscillator:R R?
U 1 1 5FD144EA
P 8200 4450
F 0 "R?" V 8100 4350 50  0000 L CNN
F 1 "15k" V 8300 4350 50  0000 L CNN
F 2 "project_oscillator:R_0603" V 8130 4450 50  0001 C CNN
F 3 "~" H 8200 4450 50  0001 C CNN
	1    8200 4450
	-1   0    0    1   
$EndComp
Wire Wire Line
	7900 4300 7900 4250
Wire Wire Line
	7900 4250 8200 4250
Wire Wire Line
	8200 4300 8200 4250
Connection ~ 8200 4250
Wire Wire Line
	8200 4250 8300 4250
$Comp
L power:+12V #PWR?
U 1 1 5FD17A08
P 8200 4600
F 0 "#PWR?" H 8200 4450 50  0001 C CNN
F 1 "+12V" H 8215 4773 50  0000 C CNN
F 2 "" H 8200 4600 50  0001 C CNN
F 3 "" H 8200 4600 50  0001 C CNN
	1    8200 4600
	-1   0    0    1   
$EndComp
$Comp
L power:GND #PWR?
U 1 1 5FD18390
P 7900 4600
F 0 "#PWR?" H 7900 4350 50  0001 C CNN
F 1 "GND" H 7905 4427 50  0000 C CNN
F 2 "" H 7900 4600 50  0001 C CNN
F 3 "" H 7900 4600 50  0001 C CNN
	1    7900 4600
	1    0    0    -1  
$EndComp
Wire Wire Line
	8900 4150 9200 4150
Wire Wire Line
	9200 4150 9200 3250
Wire Wire Line
	9200 3250 8650 3250
Wire Wire Line
	8350 3250 8200 3250
Wire Wire Line
	8200 3250 8200 4050
Wire Wire Line
	8200 4050 8300 4050
Wire Wire Line
	8150 4050 8200 4050
Connection ~ 8200 4050
Wire Wire Line
	7550 4050 7700 4050
Connection ~ 7700 4050
Wire Wire Line
	7700 4050 7850 4050
$Comp
L project_oscillator:R R?
U 1 1 5FD1CD0A
P 9200 4400
F 0 "R?" V 9100 4300 50  0000 L CNN
F 1 "2.2k" V 9300 4300 50  0000 L CNN
F 2 "project_oscillator:R_0603" V 9130 4400 50  0001 C CNN
F 3 "~" H 9200 4400 50  0001 C CNN
	1    9200 4400
	-1   0    0    1   
$EndComp
$Comp
L power:GND #PWR?
U 1 1 5FD1D2A8
P 9200 4550
F 0 "#PWR?" H 9200 4300 50  0001 C CNN
F 1 "GND" H 9205 4377 50  0000 C CNN
F 2 "" H 9200 4550 50  0001 C CNN
F 3 "" H 9200 4550 50  0001 C CNN
	1    9200 4550
	1    0    0    -1  
$EndComp
Wire Wire Line
	9200 4250 9200 4150
Connection ~ 9200 4150
$Comp
L Amplifier_Operational:TL084 U?
U 1 1 5FD1F13C
P 5900 3550
F 0 "U?" H 5900 3183 50  0000 C CNN
F 1 "TL084" H 5900 3274 50  0000 C CNN
F 2 "" H 5850 3650 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/tl081.pdf" H 5950 3750 50  0001 C CNN
	1    5900 3550
	-1   0    0    1   
$EndComp
$Comp
L Amplifier_Operational:TL084 U?
U 2 1 5FD208B8
P 7250 4050
F 0 "U?" H 7250 3683 50  0000 C CNN
F 1 "TL084" H 7250 3774 50  0000 C CNN
F 2 "" H 7200 4150 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/tl081.pdf" H 7300 4250 50  0001 C CNN
	2    7250 4050
	1    0    0    1   
$EndComp
$Comp
L Amplifier_Operational:TL084 U?
U 3 1 5FD2228D
P 2550 3400
F 0 "U?" H 2550 3767 50  0000 C CNN
F 1 "TL084" H 2550 3676 50  0000 C CNN
F 2 "" H 2500 3500 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/tl081.pdf" H 2600 3600 50  0001 C CNN
	3    2550 3400
	1    0    0    -1  
$EndComp
$Comp
L Amplifier_Operational:TL084 U?
U 4 1 5FD24120
P 1050 4400
F 0 "U?" H 1050 4767 50  0000 C CNN
F 1 "TL084" H 1050 4676 50  0000 C CNN
F 2 "" H 1000 4500 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/tl081.pdf" H 1100 4600 50  0001 C CNN
	4    1050 4400
	1    0    0    -1  
$EndComp
$Comp
L Amplifier_Operational:TL084 U?
U 5 1 5FD25976
P 1650 1500
F 0 "U?" H 1608 1546 50  0000 L CNN
F 1 "TL084" H 1608 1455 50  0000 L CNN
F 2 "" H 1600 1600 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/tl081.pdf" H 1700 1700 50  0001 C CNN
	5    1650 1500
	1    0    0    -1  
$EndComp
Connection ~ 5600 3550
Wire Wire Line
	2850 3400 2950 3400
$Comp
L project_oscillator:R R?
U 1 1 5FD34817
P 2450 3900
F 0 "R?" V 2350 3800 50  0000 L CNN
F 1 "21k" V 2550 3800 50  0000 L CNN
F 2 "project_oscillator:R_0603" V 2380 3900 50  0001 C CNN
F 3 "~" H 2450 3900 50  0001 C CNN
	1    2450 3900
	0    1    1    0   
$EndComp
$Comp
L project_oscillator:R R?
U 1 1 5FD34BC1
P 2100 4150
F 0 "R?" V 2000 4050 50  0000 L CNN
F 1 "21k" V 2200 4050 50  0000 L CNN
F 2 "project_oscillator:R_0603" V 2030 4150 50  0001 C CNN
F 3 "~" H 2100 4150 50  0001 C CNN
	1    2100 4150
	-1   0    0    1   
$EndComp
$Comp
L project_oscillator:R R?
U 1 1 5FD35A52
P 1450 3600
F 0 "R?" V 1350 3500 50  0000 L CNN
F 1 "100k" V 1550 3500 50  0000 L CNN
F 2 "project_oscillator:R_0603" V 1380 3600 50  0001 C CNN
F 3 "~" H 1450 3600 50  0001 C CNN
	1    1450 3600
	0    -1   -1   0   
$EndComp
$Comp
L project_oscillator:R R?
U 1 1 5FD3620C
P 1450 3300
F 0 "R?" V 1350 3200 50  0000 L CNN
F 1 "31k" V 1550 3200 50  0000 L CNN
F 2 "project_oscillator:R_0603" V 1380 3300 50  0001 C CNN
F 3 "~" H 1450 3300 50  0001 C CNN
	1    1450 3300
	0    -1   -1   0   
$EndComp
Wire Wire Line
	2600 3900 2650 3900
Wire Wire Line
	2950 3900 2950 3400
Connection ~ 2950 3400
Wire Wire Line
	2950 3400 3100 3400
Wire Wire Line
	2300 3900 2100 3900
Wire Wire Line
	2100 3900 2100 3500
Wire Wire Line
	2100 3500 2250 3500
Wire Wire Line
	2100 4000 2100 3900
Connection ~ 2100 3900
$Comp
L power:GND #PWR?
U 1 1 5FD3B88E
P 2100 4300
F 0 "#PWR?" H 2100 4050 50  0001 C CNN
F 1 "GND" H 2105 4127 50  0000 C CNN
F 2 "" H 2100 4300 50  0001 C CNN
F 3 "" H 2100 4300 50  0001 C CNN
	1    2100 4300
	1    0    0    -1  
$EndComp
Wire Wire Line
	1600 3600 1850 3600
Wire Wire Line
	1850 3600 1850 3300
Wire Wire Line
	1850 3300 2250 3300
Wire Wire Line
	1850 3300 1600 3300
Connection ~ 1850 3300
$Comp
L power:+12V #PWR?
U 1 1 5FD3F9FB
P 1200 3600
F 0 "#PWR?" H 1200 3450 50  0001 C CNN
F 1 "+12V" H 1215 3773 50  0000 C CNN
F 2 "" H 1200 3600 50  0001 C CNN
F 3 "" H 1200 3600 50  0001 C CNN
	1    1200 3600
	-1   0    0    1   
$EndComp
Wire Wire Line
	1200 3600 1300 3600
Wire Wire Line
	7200 2750 7200 2550
Wire Wire Line
	7200 2550 9200 2550
Wire Wire Line
	9200 2550 9200 3250
Connection ~ 9200 3250
$Comp
L project_oscillator:PV36W RV?
U 1 1 5FD4DD80
P 2800 3900
F 0 "RV?" V 2593 3900 50  0000 C CNN
F 1 "PV36W" V 2684 3900 50  0000 C CNN
F 2 "project_oscillator:PV36W" H 2800 3900 50  0001 C CNN
F 3 "~" H 2800 3900 50  0001 C CNN
	1    2800 3900
	0    1    1    0   
$EndComp
Wire Wire Line
	2800 4050 2950 4050
Wire Wire Line
	2950 4050 2950 3900
Connection ~ 2950 3900
$Comp
L project_oscillator:PV36W RV?
U 1 1 5FD50DAF
P 1150 3300
F 0 "RV?" V 1035 3300 50  0000 C CNN
F 1 "PV36W" V 944 3300 50  0000 C CNN
F 2 "project_oscillator:PV36W" H 1150 3300 50  0001 C CNN
F 3 "~" H 1150 3300 50  0001 C CNN
	1    1150 3300
	0    -1   -1   0   
$EndComp
Wire Wire Line
	1000 3300 1000 3150
Wire Wire Line
	1000 3150 1150 3150
$Comp
L Device:C C?
U 1 1 5FD53C28
P 6650 2200
F 0 "C?" V 6400 2200 50  0000 C CNN
F 1 "1u" V 6489 2200 50  0000 C CNN
F 2 "" H 6688 2050 50  0001 C CNN
F 3 "~" H 6650 2200 50  0001 C CNN
	1    6650 2200
	0    1    1    0   
$EndComp
Wire Wire Line
	6300 2200 6500 2200
Connection ~ 6300 2200
Wire Wire Line
	7050 2200 6800 2200
Text Label 6850 2200 0    50   ~ 0
FM
$EndSCHEMATC