detector.sch

EESchema Schematic File Version 4
LIBS:detector-cache
EELAYER 26 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L Connector:Conn_Coaxial J1
U 1 1 5CA09394
P 1200 1850
F 0 "J1" H 1130 2088 50  0000 C CNN
F 1 "RF_IN_1" H 1130 1997 50  0000 C CNN
F 2 "Connector_Coaxial:SMA_Amphenol_901-144_Vertical" H 1200 1850 50  0001 C CNN
F 3 " ~" H 1200 1850 50  0001 C CNN
	1    1200 1850
	-1   0    0    -1  
$EndComp
$Comp
L power:GND #PWR0101
U 1 1 5CA0944C
P 1200 2250
F 0 "#PWR0101" H 1200 2000 50  0001 C CNN
F 1 "GND" H 1205 2077 50  0000 C CNN
F 2 "" H 1200 2250 50  0001 C CNN
F 3 "" H 1200 2250 50  0001 C CNN
	1    1200 2250
	1    0    0    -1  
$EndComp
$Comp
L Device:R R2
U 1 1 5CA094E8
P 2200 1850
F 0 "R2" V 1993 1850 50  0000 C CNN
F 1 "R" V 2084 1850 50  0000 C CNN
F 2 "Resistor_SMD:R_1206_3216Metric_Pad1.42x1.75mm_HandSolder" V 2130 1850 50  0001 C CNN
F 3 "~" H 2200 1850 50  0001 C CNN
	1    2200 1850
	0    1    1    0   
$EndComp
$Comp
L Device:R R1
U 1 1 5CA0955B
P 1750 2050
F 0 "R1" H 1820 2096 50  0000 L CNN
F 1 "R" H 1820 2005 50  0000 L CNN
F 2 "Resistor_SMD:R_1206_3216Metric_Pad1.42x1.75mm_HandSolder" V 1680 2050 50  0001 C CNN
F 3 "~" H 1750 2050 50  0001 C CNN
	1    1750 2050
	1    0    0    -1  
$EndComp
Wire Wire Line
	1200 2050 1200 2250
Wire Wire Line
	1400 1850 1750 1850
Wire Wire Line
	1750 1900 1750 1850
Connection ~ 1750 1850
Wire Wire Line
	1750 1850 2050 1850
$Comp
L power:GND #PWR0102
U 1 1 5CA095D4
P 1750 2250
F 0 "#PWR0102" H 1750 2000 50  0001 C CNN
F 1 "GND" H 1755 2077 50  0000 C CNN
F 2 "" H 1750 2250 50  0001 C CNN
F 3 "" H 1750 2250 50  0001 C CNN
	1    1750 2250
	1    0    0    -1  
$EndComp
Wire Wire Line
	1750 2200 1750 2250
$Comp
L Device:R R3
U 1 1 5CA0961B
P 2550 2100
F 0 "R3" H 2620 2146 50  0000 L CNN
F 1 "R" H 2620 2055 50  0000 L CNN
F 2 "Resistor_SMD:R_1206_3216Metric_Pad1.42x1.75mm_HandSolder" V 2480 2100 50  0001 C CNN
F 3 "~" H 2550 2100 50  0001 C CNN
	1    2550 2100
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0103
U 1 1 5CA09621
P 2550 2250
F 0 "#PWR0103" H 2550 2000 50  0001 C CNN
F 1 "GND" H 2555 2077 50  0000 C CNN
F 2 "" H 2550 2250 50  0001 C CNN
F 3 "" H 2550 2250 50  0001 C CNN
	1    2550 2250
	1    0    0    -1  
$EndComp
Wire Wire Line
	2550 1850 2550 1950
Wire Wire Line
	2550 1850 2350 1850
$Comp
L Device:C C1
U 1 1 5CA097B4
P 3000 1850
F 0 "C1" V 2748 1850 50  0000 C CNN
F 1 "33p" V 2839 1850 50  0000 C CNN
F 2 "Capacitor_SMD:C_1206_3216Metric_Pad1.42x1.75mm_HandSolder" H 3038 1700 50  0001 C CNN
F 3 "~" H 3000 1850 50  0001 C CNN
	1    3000 1850
	0    1    1    0   
$EndComp
Wire Wire Line
	2850 1850 2550 1850
Connection ~ 2550 1850
$Comp
L power:GND #PWR0104
U 1 1 5CA09B0F
P 3450 2250
F 0 "#PWR0104" H 3450 2000 50  0001 C CNN
F 1 "GND" H 3455 2077 50  0000 C CNN
F 2 "" H 3450 2250 50  0001 C CNN
F 3 "" H 3450 2250 50  0001 C CNN
	1    3450 2250
	1    0    0    -1  
$EndComp
Wire Wire Line
	3450 2150 3450 2250
Wire Wire Line
	3250 1850 3150 1850
$Comp
L Device:C C2
U 1 1 5CA09D78
P 4150 1850
F 0 "C2" H 4265 1896 50  0000 L CNN
F 1 "100p" H 4265 1805 50  0000 L CNN
F 2 "Capacitor_SMD:C_1206_3216Metric_Pad1.42x1.75mm_HandSolder" H 4188 1700 50  0001 C CNN
F 3 "~" H 4150 1850 50  0001 C CNN
	1    4150 1850
	1    0    0    -1  
$EndComp
$Comp
L Device:C C3
U 1 1 5CA09DC3
P 4550 1850
F 0 "C3" H 4665 1896 50  0000 L CNN
F 1 "1000p" H 4665 1805 50  0000 L CNN
F 2 "Capacitor_SMD:C_1206_3216Metric_Pad1.42x1.75mm_HandSolder" H 4588 1700 50  0001 C CNN
F 3 "~" H 4550 1850 50  0001 C CNN
	1    4550 1850
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0105
U 1 1 5CA09DF9
P 4150 2250
F 0 "#PWR0105" H 4150 2000 50  0001 C CNN
F 1 "GND" H 4155 2077 50  0000 C CNN
F 2 "" H 4150 2250 50  0001 C CNN
F 3 "" H 4150 2250 50  0001 C CNN
	1    4150 2250
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0106
U 1 1 5CA09E6A
P 4550 2250
F 0 "#PWR0106" H 4550 2000 50  0001 C CNN
F 1 "GND" H 4555 2077 50  0000 C CNN
F 2 "" H 4550 2250 50  0001 C CNN
F 3 "" H 4550 2250 50  0001 C CNN
	1    4550 2250
	1    0    0    -1  
$EndComp
$Comp
L Device:L L1
U 1 1 5CA0A1A0
P 4900 1550
F 0 "L1" V 5090 1550 50  0000 C CNN
F 1 "0.22u" V 4999 1550 50  0000 C CNN
F 2 "Inductor_SMD:L_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 4900 1550 50  0001 C CNN
F 3 "~" H 4900 1550 50  0001 C CNN
	1    4900 1550
	0    -1   -1   0   
$EndComp
$Comp
L Device:C C4
U 1 1 5CA0A276
P 5300 1850
F 0 "C4" H 5415 1896 50  0000 L CNN
F 1 "1000p" H 5415 1805 50  0000 L CNN
F 2 "Capacitor_SMD:C_1206_3216Metric_Pad1.42x1.75mm_HandSolder" H 5338 1700 50  0001 C CNN
F 3 "~" H 5300 1850 50  0001 C CNN
	1    5300 1850
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0107
U 1 1 5CA0A2D8
P 5300 2250
F 0 "#PWR0107" H 5300 2000 50  0001 C CNN
F 1 "GND" H 5305 2077 50  0000 C CNN
F 2 "" H 5300 2250 50  0001 C CNN
F 3 "" H 5300 2250 50  0001 C CNN
	1    5300 2250
	1    0    0    -1  
$EndComp
Wire Wire Line
	4550 1550 4750 1550
Wire Wire Line
	5050 1550 5300 1550
$Comp
L Device:R_POT P1
U 1 1 5CA0A70C
P 5950 1850
F 0 "P1" H 6150 2050 50  0000 R CNN
F 1 "4.7k" H 6200 1950 50  0000 R CNN
F 2 "Potentiometer_THT:Potentiometer_Bourns_3296W_Vertical" H 5950 1850 50  0001 C CNN
F 3 "~" H 5950 1850 50  0001 C CNN
	1    5950 1850
	1    0    0    -1  
$EndComp
Connection ~ 4550 1550
Wire Wire Line
	3450 1550 4150 1550
Wire Wire Line
	4550 1700 4550 1550
Wire Wire Line
	4150 1700 4150 1550
Connection ~ 4150 1550
Wire Wire Line
	4150 1550 4550 1550
Wire Wire Line
	4150 2000 4150 2250
Wire Wire Line
	4550 2000 4550 2250
Wire Wire Line
	5300 1550 5300 1700
Wire Wire Line
	5300 1550 5950 1550
Wire Wire Line
	5950 1550 5950 1700
Connection ~ 5300 1550
Wire Wire Line
	5300 2000 5300 2250
$Comp
L power:GND #PWR0108
U 1 1 5CA0B3F4
P 5950 2250
F 0 "#PWR0108" H 5950 2000 50  0001 C CNN
F 1 "GND" H 5955 2077 50  0000 C CNN
F 2 "" H 5950 2250 50  0001 C CNN
F 3 "" H 5950 2250 50  0001 C CNN
	1    5950 2250
	1    0    0    -1  
$EndComp
Wire Wire Line
	5950 2000 5950 2250
$Comp
L Connector:Conn_Coaxial J2
U 1 1 5CA0B6A0
P 6600 1850
F 0 "J2" H 6699 1826 50  0000 L CNN
F 1 "DET_OUT_1" H 6699 1735 50  0000 L CNN
F 2 "Connector_Coaxial:SMA_Amphenol_901-144_Vertical" H 6600 1850 50  0001 C CNN
F 3 " ~" H 6600 1850 50  0001 C CNN
	1    6600 1850
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0109
U 1 1 5CA0B6A6
P 6600 2250
F 0 "#PWR0109" H 6600 2000 50  0001 C CNN
F 1 "GND" H 6605 2077 50  0000 C CNN
F 2 "" H 6600 2250 50  0001 C CNN
F 3 "" H 6600 2250 50  0001 C CNN
	1    6600 2250
	-1   0    0    -1  
$EndComp
Wire Wire Line
	6600 2050 6600 2250
Wire Wire Line
	6400 1850 6100 1850
$Comp
L Device:D_Schottky_x2_Serial_AKC D1
U 1 1 5CA11320
P 3450 1850
F 0 "D1" V 3496 1929 50  0000 L CNN
F 1 "MMBD452" V 3405 1929 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 3450 1850 50  0001 C CNN
F 3 "~" H 3450 1850 50  0001 C CNN
	1    3450 1850
	0    1    -1   0   
$EndComp
$Comp
L Connector:Conn_Coaxial J3
U 1 1 5CA1199E
P 1200 3300
F 0 "J3" H 1130 3538 50  0000 C CNN
F 1 "RF_IN_2" H 1130 3447 50  0000 C CNN
F 2 "Connector_Coaxial:SMA_Amphenol_901-144_Vertical" H 1200 3300 50  0001 C CNN
F 3 " ~" H 1200 3300 50  0001 C CNN
	1    1200 3300
	-1   0    0    -1  
$EndComp
$Comp
L power:GND #PWR0110
U 1 1 5CA119A4
P 1200 3700
F 0 "#PWR0110" H 1200 3450 50  0001 C CNN
F 1 "GND" H 1205 3527 50  0000 C CNN
F 2 "" H 1200 3700 50  0001 C CNN
F 3 "" H 1200 3700 50  0001 C CNN
	1    1200 3700
	1    0    0    -1  
$EndComp
$Comp
L Device:R R5
U 1 1 5CA119AA
P 2200 3300
F 0 "R5" V 1993 3300 50  0000 C CNN
F 1 "R" V 2084 3300 50  0000 C CNN
F 2 "Resistor_SMD:R_1206_3216Metric_Pad1.42x1.75mm_HandSolder" V 2130 3300 50  0001 C CNN
F 3 "~" H 2200 3300 50  0001 C CNN
	1    2200 3300
	0    1    1    0   
$EndComp
$Comp
L Device:R R4
U 1 1 5CA119B0
P 1750 3500
F 0 "R4" H 1820 3546 50  0000 L CNN
F 1 "R" H 1820 3455 50  0000 L CNN
F 2 "Resistor_SMD:R_1206_3216Metric_Pad1.42x1.75mm_HandSolder" V 1680 3500 50  0001 C CNN
F 3 "~" H 1750 3500 50  0001 C CNN
	1    1750 3500
	1    0    0    -1  
$EndComp
Wire Wire Line
	1200 3500 1200 3700
Wire Wire Line
	1400 3300 1750 3300
Wire Wire Line
	1750 3350 1750 3300
Connection ~ 1750 3300
Wire Wire Line
	1750 3300 2050 3300
$Comp
L power:GND #PWR0111
U 1 1 5CA119BB
P 1750 3700
F 0 "#PWR0111" H 1750 3450 50  0001 C CNN
F 1 "GND" H 1755 3527 50  0000 C CNN
F 2 "" H 1750 3700 50  0001 C CNN
F 3 "" H 1750 3700 50  0001 C CNN
	1    1750 3700
	1    0    0    -1  
$EndComp
Wire Wire Line
	1750 3650 1750 3700
$Comp
L Device:R R6
U 1 1 5CA119C2
P 2550 3550
F 0 "R6" H 2620 3596 50  0000 L CNN
F 1 "R" H 2620 3505 50  0000 L CNN
F 2 "Resistor_SMD:R_1206_3216Metric_Pad1.42x1.75mm_HandSolder" V 2480 3550 50  0001 C CNN
F 3 "~" H 2550 3550 50  0001 C CNN
	1    2550 3550
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0112
U 1 1 5CA119C8
P 2550 3700
F 0 "#PWR0112" H 2550 3450 50  0001 C CNN
F 1 "GND" H 2555 3527 50  0000 C CNN
F 2 "" H 2550 3700 50  0001 C CNN
F 3 "" H 2550 3700 50  0001 C CNN
	1    2550 3700
	1    0    0    -1  
$EndComp
Wire Wire Line
	2550 3300 2550 3400
Wire Wire Line
	2550 3300 2350 3300
$Comp
L Device:C C5
U 1 1 5CA119D0
P 3000 3300
F 0 "C5" V 2748 3300 50  0000 C CNN
F 1 "33p" V 2839 3300 50  0000 C CNN
F 2 "Capacitor_SMD:C_1206_3216Metric_Pad1.42x1.75mm_HandSolder" H 3038 3150 50  0001 C CNN
F 3 "~" H 3000 3300 50  0001 C CNN
	1    3000 3300
	0    1    1    0   
$EndComp
Wire Wire Line
	2850 3300 2550 3300
Connection ~ 2550 3300
$Comp
L power:GND #PWR0113
U 1 1 5CA119D8
P 3450 3700
F 0 "#PWR0113" H 3450 3450 50  0001 C CNN
F 1 "GND" H 3455 3527 50  0000 C CNN
F 2 "" H 3450 3700 50  0001 C CNN
F 3 "" H 3450 3700 50  0001 C CNN
	1    3450 3700
	1    0    0    -1  
$EndComp
Wire Wire Line
	3450 3600 3450 3700
Wire Wire Line
	3250 3300 3150 3300
$Comp
L Device:C C6
U 1 1 5CA119E0
P 4150 3300
F 0 "C6" H 4265 3346 50  0000 L CNN
F 1 "100p" H 4265 3255 50  0000 L CNN
F 2 "Capacitor_SMD:C_1206_3216Metric_Pad1.42x1.75mm_HandSolder" H 4188 3150 50  0001 C CNN
F 3 "~" H 4150 3300 50  0001 C CNN
	1    4150 3300
	1    0    0    -1  
$EndComp
$Comp
L Device:C C7
U 1 1 5CA119E6
P 4550 3300
F 0 "C7" H 4665 3346 50  0000 L CNN
F 1 "1000p" H 4665 3255 50  0000 L CNN
F 2 "Capacitor_SMD:C_1206_3216Metric_Pad1.42x1.75mm_HandSolder" H 4588 3150 50  0001 C CNN
F 3 "~" H 4550 3300 50  0001 C CNN
	1    4550 3300
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0114
U 1 1 5CA119EC
P 4150 3700
F 0 "#PWR0114" H 4150 3450 50  0001 C CNN
F 1 "GND" H 4155 3527 50  0000 C CNN
F 2 "" H 4150 3700 50  0001 C CNN
F 3 "" H 4150 3700 50  0001 C CNN
	1    4150 3700
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0115
U 1 1 5CA119F2
P 4550 3700
F 0 "#PWR0115" H 4550 3450 50  0001 C CNN
F 1 "GND" H 4555 3527 50  0000 C CNN
F 2 "" H 4550 3700 50  0001 C CNN
F 3 "" H 4550 3700 50  0001 C CNN
	1    4550 3700
	1    0    0    -1  
$EndComp
$Comp
L Device:L L2
U 1 1 5CA119F8
P 4900 3000
F 0 "L2" V 5090 3000 50  0000 C CNN
F 1 "0.22u" V 4999 3000 50  0000 C CNN
F 2 "Inductor_SMD:L_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 4900 3000 50  0001 C CNN
F 3 "~" H 4900 3000 50  0001 C CNN
	1    4900 3000
	0    -1   -1   0   
$EndComp
$Comp
L Device:C C8
U 1 1 5CA119FE
P 5300 3300
F 0 "C8" H 5415 3346 50  0000 L CNN
F 1 "1000p" H 5415 3255 50  0000 L CNN
F 2 "Capacitor_SMD:C_1206_3216Metric_Pad1.42x1.75mm_HandSolder" H 5338 3150 50  0001 C CNN
F 3 "~" H 5300 3300 50  0001 C CNN
	1    5300 3300
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0116
U 1 1 5CA11A04
P 5300 3700
F 0 "#PWR0116" H 5300 3450 50  0001 C CNN
F 1 "GND" H 5305 3527 50  0000 C CNN
F 2 "" H 5300 3700 50  0001 C CNN
F 3 "" H 5300 3700 50  0001 C CNN
	1    5300 3700
	1    0    0    -1  
$EndComp
Wire Wire Line
	4550 3000 4750 3000
Wire Wire Line
	5050 3000 5300 3000
$Comp
L Device:R_POT P2
U 1 1 5CA11A0C
P 5950 3300
F 0 "P2" H 6150 3500 50  0000 R CNN
F 1 "4.7k" H 6200 3400 50  0000 R CNN
F 2 "Potentiometer_THT:Potentiometer_Bourns_3296W_Vertical" H 5950 3300 50  0001 C CNN
F 3 "~" H 5950 3300 50  0001 C CNN
	1    5950 3300
	1    0    0    -1  
$EndComp
Connection ~ 4550 3000
Wire Wire Line
	3450 3000 4150 3000
Wire Wire Line
	4550 3150 4550 3000
Wire Wire Line
	4150 3150 4150 3000
Connection ~ 4150 3000
Wire Wire Line
	4150 3000 4550 3000
Wire Wire Line
	4150 3450 4150 3700
Wire Wire Line
	4550 3450 4550 3700
Wire Wire Line
	5300 3000 5300 3150
Wire Wire Line
	5300 3000 5950 3000
Wire Wire Line
	5950 3000 5950 3150
Connection ~ 5300 3000
Wire Wire Line
	5300 3450 5300 3700
$Comp
L power:GND #PWR0117
U 1 1 5CA11A1F
P 5950 3700
F 0 "#PWR0117" H 5950 3450 50  0001 C CNN
F 1 "GND" H 5955 3527 50  0000 C CNN
F 2 "" H 5950 3700 50  0001 C CNN
F 3 "" H 5950 3700 50  0001 C CNN
	1    5950 3700
	1    0    0    -1  
$EndComp
Wire Wire Line
	5950 3450 5950 3700
$Comp
L Connector:Conn_Coaxial J4
U 1 1 5CA11A26
P 6600 3300
F 0 "J4" H 6699 3276 50  0000 L CNN
F 1 "DET_OUT_2" H 6699 3185 50  0000 L CNN
F 2 "Connector_Coaxial:SMA_Amphenol_901-144_Vertical" H 6600 3300 50  0001 C CNN
F 3 " ~" H 6600 3300 50  0001 C CNN
	1    6600 3300
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0118
U 1 1 5CA11A2C
P 6600 3700
F 0 "#PWR0118" H 6600 3450 50  0001 C CNN
F 1 "GND" H 6605 3527 50  0000 C CNN
F 2 "" H 6600 3700 50  0001 C CNN
F 3 "" H 6600 3700 50  0001 C CNN
	1    6600 3700
	-1   0    0    -1  
$EndComp
Wire Wire Line
	6600 3500 6600 3700
Wire Wire Line
	6400 3300 6100 3300
$Comp
L Device:D_Schottky_x2_Serial_AKC D2
U 1 1 5CA11A34
P 3450 3300
F 0 "D2" V 3496 3379 50  0000 L CNN
F 1 "MMBD452" V 3405 3379 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 3450 3300 50  0001 C CNN
F 3 "~" H 3450 3300 50  0001 C CNN
	1    3450 3300
	0    1    -1   0   
$EndComp
Text Notes 1100 1000 0    197  ~ 39
HB9UF Dual RF Detector, rev. 1.1
$Comp
L Mechanical:MountingHole_Pad H1
U 1 1 5CA13C66
P 1200 4800
F 0 "H1" H 1300 4805 50  0000 L CNN
F 1 "MountingHole_Pad" H 1300 4760 50  0001 L CNN
F 2 "MountingHole:MountingHole_3.2mm_M3_Pad" H 1200 4800 50  0001 C CNN
F 3 "~" H 1200 4800 50  0001 C CNN
	1    1200 4800
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0119
U 1 1 5CA13DE1
P 1200 4900
F 0 "#PWR0119" H 1200 4650 50  0001 C CNN
F 1 "GND" H 1205 4727 50  0000 C CNN
F 2 "" H 1200 4900 50  0001 C CNN
F 3 "" H 1200 4900 50  0001 C CNN
	1    1200 4900
	1    0    0    -1  
$EndComp
$Comp
L Mechanical:MountingHole_Pad H2
U 1 1 5CA1402E
P 1700 4800
F 0 "H2" H 1800 4805 50  0000 L CNN
F 1 "MountingHole_Pad" H 1800 4760 50  0001 L CNN
F 2 "MountingHole:MountingHole_3.2mm_M3_Pad" H 1700 4800 50  0001 C CNN
F 3 "~" H 1700 4800 50  0001 C CNN
	1    1700 4800
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0120
U 1 1 5CA14034
P 1700 4900
F 0 "#PWR0120" H 1700 4650 50  0001 C CNN
F 1 "GND" H 1705 4727 50  0000 C CNN
F 2 "" H 1700 4900 50  0001 C CNN
F 3 "" H 1700 4900 50  0001 C CNN
	1    1700 4900
	1    0    0    -1  
$EndComp
Text Notes 2300 5000 0    50   ~ 0
(c) Matt Weyland HB9FRV\nCC BY-SA 4.0\nBased on work by J.R. Klitzing W6PQL\nhttps://www.w6pql.com/Sampling_RF_Power.htm
Text Notes 7550 2250 0    50   ~ 0
Att       R1, R3, R4, R6      R2, R5\n-----------------------\n 3 dB           292            17.6\n 6 dB           150            37\n10 dB            96            71\n13 dB            79           106\n16 dB            69           154\n20 dB            61           248\n26 dB            55           498\n30 dB            53           790
$EndSCHEMATC