TDR_splitter.sch

EESchema Schematic File Version 4
LIBS:TDR_splitter-cache
EELAYER 29 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title "TDR spliter"
Date "2018-12-05"
Rev "1 tested"
Comp "Petr Polasek"
Comment1 "Addon to the TDR_avalanche to allow simpler measurement of reflections"
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L kicad_petr_inherited:Conn_Coaxial J102
U 1 1 5BF5C698
P 2100 2300
F 0 "J102" H 2053 2538 50  0000 C CNN
F 1 "IN" H 2053 2447 50  0000 C CNN
F 2 "petr_kicad:Molex_SMA_Jack_Edge_Mount_Chinese" H 2100 2300 50  0001 C CNN
F 3 "" H 2100 2300 50  0001 C CNN
	1    2100 2300
	-1   0    0    -1  
$EndComp
$Comp
L Device:R R103
U 1 1 5BF5C9FA
P 2350 2550
F 0 "R103" H 2420 2596 50  0000 L CNN
F 1 "200" H 2420 2505 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 2280 2550 50  0001 C CNN
F 3 "~" H 2350 2550 50  0001 C CNN
	1    2350 2550
	1    0    0    -1  
$EndComp
$Comp
L Device:R R101
U 1 1 5BF5D1F0
P 3050 2300
F 0 "R101" V 2843 2300 50  0000 C CNN
F 1 "68" V 2934 2300 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 2980 2300 50  0001 C CNN
F 3 "~" H 3050 2300 50  0001 C CNN
	1    3050 2300
	0    1    1    0   
$EndComp
$Comp
L Device:R R102
U 1 1 5BF5E052
P 3550 2300
F 0 "R102" V 3343 2300 50  0000 C CNN
F 1 "68" V 3434 2300 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 3480 2300 50  0001 C CNN
F 3 "~" H 3550 2300 50  0001 C CNN
	1    3550 2300
	0    1    1    0   
$EndComp
$Comp
L Device:R R104
U 1 1 5BF5E38D
P 3800 2550
F 0 "R104" H 3869 2504 50  0000 L CNN
F 1 "200" H 3869 2595 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 3730 2550 50  0001 C CNN
F 3 "~" H 3800 2550 50  0001 C CNN
	1    3800 2550
	-1   0    0    1   
$EndComp
$Comp
L power:GND #PWR0104
U 1 1 5BF5EBC6
P 3800 2700
F 0 "#PWR0104" H 3800 2450 50  0001 C CNN
F 1 "GND" H 3805 2527 50  0000 C CNN
F 2 "" H 3800 2700 50  0001 C CNN
F 3 "" H 3800 2700 50  0001 C CNN
	1    3800 2700
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0103
U 1 1 5BF5EF8D
P 2350 2700
F 0 "#PWR0103" H 2350 2450 50  0001 C CNN
F 1 "GND" H 2355 2527 50  0000 C CNN
F 2 "" H 2350 2700 50  0001 C CNN
F 3 "" H 2350 2700 50  0001 C CNN
	1    2350 2700
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0102
U 1 1 5BF5F30C
P 2100 2700
F 0 "#PWR0102" H 2100 2450 50  0001 C CNN
F 1 "GND" H 2105 2527 50  0000 C CNN
F 2 "" H 2100 2700 50  0001 C CNN
F 3 "" H 2100 2700 50  0001 C CNN
	1    2100 2700
	1    0    0    -1  
$EndComp
Wire Wire Line
	2100 2500 2100 2700
Wire Wire Line
	2250 2300 2350 2300
Wire Wire Line
	3200 2300 3300 2300
$Comp
L kicad_petr_inherited:Conn_Coaxial J103
U 1 1 5BF5F665
P 4450 2300
F 0 "J103" H 4550 2275 50  0000 L CNN
F 1 "OUT" H 4550 2184 50  0000 L CNN
F 2 "petr_kicad:Molex_SMA_Jack_Edge_Mount_Chinese" H 4450 2300 50  0001 C CNN
F 3 "" H 4450 2300 50  0001 C CNN
	1    4450 2300
	1    0    0    -1  
$EndComp
Wire Wire Line
	3700 2300 3800 2300
Wire Wire Line
	3800 2400 3800 2300
Connection ~ 3800 2300
Wire Wire Line
	3800 2300 4200 2300
$Comp
L power:GND #PWR0105
U 1 1 5BF5FBF2
P 4450 2700
F 0 "#PWR0105" H 4450 2450 50  0001 C CNN
F 1 "GND" H 4455 2527 50  0000 C CNN
F 2 "" H 4450 2700 50  0001 C CNN
F 3 "" H 4450 2700 50  0001 C CNN
	1    4450 2700
	1    0    0    -1  
$EndComp
Wire Wire Line
	4450 2700 4450 2500
Wire Wire Line
	2350 2400 2350 2300
Connection ~ 2350 2300
Wire Wire Line
	2350 2300 2750 2300
$Comp
L kicad_petr_inherited:Conn_Coaxial J101
U 1 1 5BF5FF93
P 3300 1700
F 0 "J101" V 3537 1629 50  0000 C CNN
F 1 "CABLE" V 3446 1629 50  0000 C CNN
F 2 "petr_kicad:Molex_SMA_Jack_Edge_Mount_Chinese" H 3300 1700 50  0001 C CNN
F 3 "" H 3300 1700 50  0001 C CNN
	1    3300 1700
	0    -1   -1   0   
$EndComp
$Comp
L power:GND #PWR0101
U 1 1 5BF61DA5
P 3500 1700
F 0 "#PWR0101" H 3500 1450 50  0001 C CNN
F 1 "GND" V 3505 1572 50  0000 R CNN
F 2 "" H 3500 1700 50  0001 C CNN
F 3 "" H 3500 1700 50  0001 C CNN
	1    3500 1700
	0    -1   -1   0   
$EndComp
Wire Wire Line
	3300 1850 3300 2300
Connection ~ 3300 2300
Wire Wire Line
	3300 2300 3400 2300
$Comp
L petr_kicad:4060 U101
U 1 1 5C05D1DB
P 3300 5750
F 0 "U101" H 3050 6450 50  0000 C CNN
F 1 "4060" H 3050 6350 50  0000 C CNN
F 2 "Package_SO:SOIC-16_3.9x9.9mm_P1.27mm" H 3300 5850 50  0001 C CNN
F 3 "https://assets.nexperia.com/documents/data-sheet/74HC_HCT4060_Q100.pdf" H 3300 5850 50  0001 C CNN
	1    3300 5750
	1    0    0    -1  
$EndComp
$Comp
L Connector:USB_B_Mini J104
U 1 1 5C05E201
P 2600 4200
F 0 "J104" H 2657 4667 50  0000 C CNN
F 1 "USB_B_Mini" H 2657 4576 50  0000 C CNN
F 2 "Connector_USB:USB_Mini-B_Lumberg_2486_01_Horizontal" H 2750 4150 50  0001 C CNN
F 3 "~" H 2750 4150 50  0001 C CNN
	1    2600 4200
	1    0    0    -1  
$EndComp
$Comp
L Connector:USB_A J105
U 1 1 5C05F744
P 4000 4200
F 0 "J105" H 3770 4189 50  0000 R CNN
F 1 "USB_A" H 3770 4098 50  0000 R CNN
F 2 "Connector_USB:USB_A_CNCTech_1001-011-01101_Horizontal" H 4150 4150 50  0001 C CNN
F 3 " ~" H 4150 4150 50  0001 C CNN
	1    4000 4200
	-1   0    0    -1  
$EndComp
$Comp
L kicad_petr_inherited:Conn_Coaxial J107
U 1 1 5C0641CE
P 5350 5800
F 0 "J107" H 5450 5775 50  0000 L CNN
F 1 "SYNC_GEN" H 5450 5684 50  0000 L CNN
F 2 "petr_kicad:Molex_SMA_Jack_Edge_Mount_Chinese" H 5350 5800 50  0001 C CNN
F 3 "" H 5350 5800 50  0001 C CNN
	1    5350 5800
	1    0    0    -1  
$EndComp
$Comp
L Device:R R107
U 1 1 5C064E36
P 4750 5800
F 0 "R107" V 4543 5800 50  0000 C CNN
F 1 "51R" V 4634 5800 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 4680 5800 50  0001 C CNN
F 3 "~" H 4750 5800 50  0001 C CNN
	1    4750 5800
	0    1    1    0   
$EndComp
$Comp
L Device:R R109
U 1 1 5C0658F1
P 5000 6150
F 0 "R109" H 5350 6150 50  0000 R CNN
F 1 "Not fitted" H 5550 6250 50  0000 R CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 4930 6150 50  0001 C CNN
F 3 "~" H 5000 6150 50  0001 C CNN
	1    5000 6150
	-1   0    0    1   
$EndComp
Wire Wire Line
	4500 5700 4550 5700
Wire Wire Line
	4550 5700 4550 5800
Wire Wire Line
	4550 5900 4500 5900
Wire Wire Line
	4500 5800 4550 5800
Connection ~ 4550 5800
Wire Wire Line
	4550 5800 4550 5900
Wire Wire Line
	4550 5800 4600 5800
Wire Wire Line
	4900 5800 5000 5800
Wire Wire Line
	5000 6000 5000 5800
Connection ~ 5000 5800
Wire Wire Line
	5000 5800 5200 5800
Wire Wire Line
	3750 5900 4000 5900
$Comp
L power:GND #PWR0106
U 1 1 5C06A5CF
P 3300 6550
F 0 "#PWR0106" H 3300 6300 50  0001 C CNN
F 1 "GND" H 3305 6377 50  0000 C CNN
F 2 "" H 3300 6550 50  0001 C CNN
F 3 "" H 3300 6550 50  0001 C CNN
	1    3300 6550
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0107
U 1 1 5C06AAC0
P 5000 6400
F 0 "#PWR0107" H 5000 6150 50  0001 C CNN
F 1 "GND" H 5005 6227 50  0000 C CNN
F 2 "" H 5000 6400 50  0001 C CNN
F 3 "" H 5000 6400 50  0001 C CNN
	1    5000 6400
	1    0    0    -1  
$EndComp
Wire Wire Line
	5000 6400 5000 6300
$Comp
L power:GND #PWR0108
U 1 1 5C06B667
P 5350 6400
F 0 "#PWR0108" H 5350 6150 50  0001 C CNN
F 1 "GND" H 5355 6227 50  0000 C CNN
F 2 "" H 5350 6400 50  0001 C CNN
F 3 "" H 5350 6400 50  0001 C CNN
	1    5350 6400
	1    0    0    -1  
$EndComp
Wire Wire Line
	5350 6400 5350 6000
$Comp
L Device:Crystal Y101
U 1 1 5C06C264
P 2100 6150
F 0 "Y101" H 2100 5974 50  0000 C CNN
F 1 "8MHz" H 2100 5883 50  0000 C CNN
F 2 "Crystal:Crystal_SMD_HC49-SD_HandSoldering" H 2100 6150 50  0001 C CNN
F 3 "~" H 2100 6150 50  0001 C CNN
	1    2100 6150
	1    0    0    -1  
$EndComp
$Comp
L Device:R R108
U 1 1 5C06C904
P 2100 5950
F 0 "R108" V 1893 5950 50  0000 C CNN
F 1 "1M" V 1984 5950 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 2030 5950 50  0001 C CNN
F 3 "~" H 2100 5950 50  0001 C CNN
	1    2100 5950
	0    1    1    0   
$EndComp
$Comp
L Device:R R106
U 1 1 5C06E0DA
P 1850 5700
F 0 "R106" H 1919 5654 50  0000 L CNN
F 1 "1k" H 1919 5745 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 1780 5700 50  0001 C CNN
F 3 "~" H 1850 5700 50  0001 C CNN
	1    1850 5700
	-1   0    0    1   
$EndComp
$Comp
L Device:C C102
U 1 1 5C06E682
P 1850 6400
F 0 "C102" H 1735 6446 50  0000 R CNN
F 1 "22p" H 1735 6355 50  0000 R CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 1888 6250 50  0001 C CNN
F 3 "~" H 1850 6400 50  0001 C CNN
	1    1850 6400
	1    0    0    -1  
$EndComp
$Comp
L Device:C C103
U 1 1 5C06F3A3
P 2350 6400
F 0 "C103" H 2465 6446 50  0000 L CNN
F 1 "22p" H 2465 6355 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 2388 6250 50  0001 C CNN
F 3 "~" H 2350 6400 50  0001 C CNN
	1    2350 6400
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0109
U 1 1 5C06F8E5
P 2350 6550
F 0 "#PWR0109" H 2350 6300 50  0001 C CNN
F 1 "GND" H 2355 6377 50  0000 C CNN
F 2 "" H 2350 6550 50  0001 C CNN
F 3 "" H 2350 6550 50  0001 C CNN
	1    2350 6550
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0110
U 1 1 5C06FBBB
P 1850 6550
F 0 "#PWR0110" H 1850 6300 50  0001 C CNN
F 1 "GND" H 1855 6377 50  0000 C CNN
F 2 "" H 1850 6550 50  0001 C CNN
F 3 "" H 1850 6550 50  0001 C CNN
	1    1850 6550
	1    0    0    -1  
$EndComp
Wire Wire Line
	1850 6250 1850 6150
Wire Wire Line
	1950 5950 1850 5950
Connection ~ 1850 5950
Wire Wire Line
	1850 5950 1850 5850
Wire Wire Line
	1950 6150 1850 6150
Connection ~ 1850 6150
Wire Wire Line
	1850 6150 1850 5950
Wire Wire Line
	2250 5950 2350 5950
Wire Wire Line
	2350 6250 2350 6150
Connection ~ 2350 5950
Wire Wire Line
	2350 5950 2850 5950
Wire Wire Line
	2250 6150 2350 6150
Connection ~ 2350 6150
Wire Wire Line
	2350 6150 2350 5950
Wire Wire Line
	2850 5450 1850 5450
Wire Wire Line
	1850 5450 1850 5550
$Comp
L power:GND #PWR0111
U 1 1 5C07457B
P 2750 6550
F 0 "#PWR0111" H 2750 6300 50  0001 C CNN
F 1 "GND" H 2755 6377 50  0000 C CNN
F 2 "" H 2750 6550 50  0001 C CNN
F 3 "" H 2750 6550 50  0001 C CNN
	1    2750 6550
	1    0    0    -1  
$EndComp
Wire Wire Line
	2850 6050 2750 6050
Wire Wire Line
	2750 6050 2750 6550
NoConn ~ 2900 4200
NoConn ~ 2900 4300
NoConn ~ 2900 4400
NoConn ~ 3700 4300
NoConn ~ 3700 4200
$Comp
L power:GND #PWR0112
U 1 1 5C07B8BC
P 4000 4600
F 0 "#PWR0112" H 4000 4350 50  0001 C CNN
F 1 "GND" H 4050 4450 50  0000 C CNN
F 2 "" H 4000 4600 50  0001 C CNN
F 3 "" H 4000 4600 50  0001 C CNN
	1    4000 4600
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0113
U 1 1 5C07BB5E
P 4100 4600
F 0 "#PWR0113" H 4100 4350 50  0001 C CNN
F 1 "GND" H 4105 4427 50  0001 C CNN
F 2 "" H 4100 4600 50  0001 C CNN
F 3 "" H 4100 4600 50  0001 C CNN
	1    4100 4600
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0114
U 1 1 5C07BC55
P 2500 4600
F 0 "#PWR0114" H 2500 4350 50  0001 C CNN
F 1 "GND" H 2550 4450 50  0000 C CNN
F 2 "" H 2500 4600 50  0001 C CNN
F 3 "" H 2500 4600 50  0001 C CNN
	1    2500 4600
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0115
U 1 1 5C07BC5F
P 2600 4600
F 0 "#PWR0115" H 2600 4350 50  0001 C CNN
F 1 "GND" H 2605 4427 50  0001 C CNN
F 2 "" H 2600 4600 50  0001 C CNN
F 3 "" H 2600 4600 50  0001 C CNN
	1    2600 4600
	1    0    0    -1  
$EndComp
Wire Wire Line
	3300 6550 3300 6400
Wire Wire Line
	2900 4000 3300 4000
$Comp
L Device:R R105
U 1 1 5C07F29D
P 3300 4250
F 0 "R105" H 3370 4296 50  0000 L CNN
F 1 "4R7" H 3370 4205 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 3230 4250 50  0001 C CNN
F 3 "~" H 3300 4250 50  0001 C CNN
	1    3300 4250
	1    0    0    -1  
$EndComp
Wire Wire Line
	3300 4100 3300 4000
Connection ~ 3300 4000
Wire Wire Line
	3300 4000 3700 4000
$Comp
L Device:C C101
U 1 1 5C089717
P 3600 4900
F 0 "C101" V 3348 4900 50  0000 C CNN
F 1 "100n" V 3439 4900 50  0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 3638 4750 50  0001 C CNN
F 3 "~" H 3600 4900 50  0001 C CNN
	1    3600 4900
	0    1    1    0   
$EndComp
$Comp
L power:GND #PWR0116
U 1 1 5C08A6C8
P 3750 4900
F 0 "#PWR0116" H 3750 4650 50  0001 C CNN
F 1 "GND" V 3755 4772 50  0000 R CNN
F 2 "" H 3750 4900 50  0001 C CNN
F 3 "" H 3750 4900 50  0001 C CNN
	1    3750 4900
	0    -1   -1   0   
$EndComp
Wire Wire Line
	3300 5100 3300 4900
Wire Wire Line
	3450 4900 3300 4900
Connection ~ 3300 4900
Wire Wire Line
	3300 4900 3300 4400
$Comp
L Device:R R110
U 1 1 5C09EE1D
P 2750 2550
F 0 "R110" H 2820 2596 50  0000 L CNN
F 1 "200" H 2820 2505 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 2680 2550 50  0001 C CNN
F 3 "~" H 2750 2550 50  0001 C CNN
	1    2750 2550
	1    0    0    -1  
$EndComp
Wire Wire Line
	2750 2400 2750 2300
Connection ~ 2750 2300
Wire Wire Line
	2750 2300 2900 2300
$Comp
L power:GND #PWR0117
U 1 1 5C09F938
P 2750 2700
F 0 "#PWR0117" H 2750 2450 50  0001 C CNN
F 1 "GND" H 2755 2527 50  0000 C CNN
F 2 "" H 2750 2700 50  0001 C CNN
F 3 "" H 2750 2700 50  0001 C CNN
	1    2750 2700
	1    0    0    -1  
$EndComp
$Comp
L Device:R R111
U 1 1 5C0A0FAB
P 4200 2550
F 0 "R111" H 4269 2504 50  0000 L CNN
F 1 "200" H 4269 2595 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 4130 2550 50  0001 C CNN
F 3 "~" H 4200 2550 50  0001 C CNN
	1    4200 2550
	-1   0    0    1   
$EndComp
Wire Wire Line
	4200 2400 4200 2300
Connection ~ 4200 2300
Wire Wire Line
	4200 2300 4300 2300
$Comp
L power:GND #PWR0118
U 1 1 5C0A1E4B
P 4200 2700
F 0 "#PWR0118" H 4200 2450 50  0001 C CNN
F 1 "GND" H 4205 2527 50  0000 C CNN
F 2 "" H 4200 2700 50  0001 C CNN
F 3 "" H 4200 2700 50  0001 C CNN
	1    4200 2700
	1    0    0    -1  
$EndComp
$Comp
L Connector_Generic:Conn_02x03_Odd_Even J106
U 1 1 5C0A7941
P 4200 5800
F 0 "J106" H 4250 6150 50  0000 C CNN
F 1 "Conn_02x03_Odd_Even" H 4350 6050 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_2x03_P2.54mm_Vertical_SMD" H 4200 5800 50  0001 C CNN
F 3 "~" H 4200 5800 50  0001 C CNN
	1    4200 5800
	1    0    0    1   
$EndComp
Wire Wire Line
	3900 5800 3800 5700
Wire Wire Line
	3800 5700 3750 5700
Wire Wire Line
	3900 5800 4000 5800
Wire Wire Line
	3750 5800 3800 5800
Wire Wire Line
	3800 5800 3900 5700
Wire Wire Line
	3900 5700 4000 5700
Text Label 2500 2300 0    50   ~ 0
IN
Text Label 3300 1950 0    50   ~ 0
CABLE
Text Label 3950 2300 0    50   ~ 0
OUT
$Comp
L power:PWR_FLAG #FLG0101
U 1 1 5C0B7EDF
P 3300 4900
F 0 "#FLG0101" H 3300 4975 50  0001 C CNN
F 1 "PWR_FLAG" V 3300 5027 50  0000 L CNN
F 2 "" H 3300 4900 50  0001 C CNN
F 3 "~" H 3300 4900 50  0001 C CNN
	1    3300 4900
	0    -1   -1   0   
$EndComp
NoConn ~ 2850 5550
NoConn ~ 3750 5300
NoConn ~ 3750 5400
NoConn ~ 3750 5500
NoConn ~ 3750 5600
NoConn ~ 3750 6000
NoConn ~ 3750 6100
NoConn ~ 3750 6200
Wire Notes Line
	1350 6900 5900 6900
Wire Notes Line
	5900 6900 5900 3550
Wire Notes Line
	5900 3550 1350 3550
Wire Notes Line
	1350 3550 1350 6900
Text Notes 2750 3450 0    50   ~ 0
Trigger generator, can be set to about 2, 4 or 8 kHz.
Wire Notes Line
	1900 3050 1900 1350
Wire Notes Line
	1900 1350 4800 1350
Wire Notes Line
	4800 1350 4800 3050
Wire Notes Line
	4800 3050 1900 3050
Text Notes 1850 1250 0    50   ~ 0
Reverse splitter. Connect oscilloscope to OUT, pulse generator to IN, DUT to COAX.\nInsertion loss between IN and OUT when properly terminated at all ports is about 19.6 dB.
$EndSCHEMATC