70cm-TRX-PA/tx_preamp.sch

EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 6 8
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
Text HLabel 2500 2500 0    50   Input ~ 0
PA_BIAS
Text HLabel 2000 4750 0    50   Input ~ 0
RF_IN
Text HLabel 9500 4000 2    50   Output ~ 0
RF_OUT
$Comp
L Transistor_FET:AFT05MS004N Q1
U 1 1 5F1DCEC6
P 6400 4750
F 0 "Q1" H 6606 4796 50  0000 L CNN
F 1 "AFT05MS004N" H 6606 4705 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-89-3" H 6600 4675 50  0001 L CIN
F 3 "https://www.nxp.com/docs/en/data-sheet/AFT05MS004N.pdf" H 6400 4750 50  0001 L CNN
	1    6400 4750
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR031
U 1 1 5F1DE6B3
P 6500 5050
F 0 "#PWR031" H 6500 4800 50  0001 C CNN
F 1 "GND" H 6505 4877 50  0000 C CNN
F 2 "" H 6500 5050 50  0001 C CNN
F 3 "" H 6500 5050 50  0001 C CNN
	1    6500 5050
	1    0    0    -1  
$EndComp
Wire Wire Line
	6500 5050 6500 4950
Wire Wire Line
	5500 4750 6200 4750
$Comp
L Device:R R5
U 1 1 5F1E4628
P 5500 4250
F 0 "R5" H 5570 4296 50  0000 L CNN
F 1 "50" H 5570 4205 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 5430 4250 50  0001 C CNN
F 3 "~" H 5500 4250 50  0001 C CNN
	1    5500 4250
	1    0    0    -1  
$EndComp
$Comp
L Device:R_POT_TRIM RV1
U 1 1 5F1E561B
P 3500 2700
F 0 "RV1" H 3430 2746 50  0000 R CNN
F 1 "1k" H 3430 2655 50  0000 R CNN
F 2 "Potentiometer_THT:Potentiometer_Bourns_3266W_Vertical" H 3500 2700 50  0001 C CNN
F 3 "~" H 3500 2700 50  0001 C CNN
	1    3500 2700
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR028
U 1 1 5F1ED6AD
P 3500 3750
F 0 "#PWR028" H 3500 3500 50  0001 C CNN
F 1 "GND" H 3505 3577 50  0000 C CNN
F 2 "" H 3500 3750 50  0001 C CNN
F 3 "" H 3500 3750 50  0001 C CNN
	1    3500 3750
	1    0    0    -1  
$EndComp
Wire Wire Line
	3500 3750 3500 3650
Wire Wire Line
	3500 3350 3500 3250
Wire Wire Line
	3500 2950 3500 2850
Wire Wire Line
	2500 2500 2600 2500
Wire Wire Line
	3500 2500 3500 2550
$Comp
L Device:C C26
U 1 1 5F1EFC62
P 4500 3750
F 0 "C26" H 4615 3796 50  0000 L CNN
F 1 "100nF" H 4615 3705 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 4538 3600 50  0001 C CNN
F 3 "~" H 4500 3750 50  0001 C CNN
	1    4500 3750
	1    0    0    -1  
$EndComp
$Comp
L Device:C C28
U 1 1 5F1F0377
P 5000 3750
F 0 "C28" H 5115 3796 50  0000 L CNN
F 1 "1nF" H 5115 3705 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 5038 3600 50  0001 C CNN
F 3 "~" H 5000 3750 50  0001 C CNN
	1    5000 3750
	1    0    0    -1  
$EndComp
Wire Wire Line
	4500 3600 4500 3500
Connection ~ 5500 4750
Wire Wire Line
	5500 4400 5500 4750
Wire Wire Line
	3650 2700 5500 2700
Wire Wire Line
	4500 3500 5000 3500
Connection ~ 5500 3500
Connection ~ 5000 3500
Wire Wire Line
	5000 3500 5500 3500
Wire Wire Line
	5000 3500 5000 3600
Text Notes 2050 4650 0    50   ~ 0
DC-Block in\nPIN-Umschalter
Wire Wire Line
	4500 3900 4500 4000
Wire Wire Line
	4500 4000 4750 4000
Wire Wire Line
	5000 4000 5000 3900
$Comp
L power:GND #PWR030
U 1 1 5F202415
P 4750 4100
F 0 "#PWR030" H 4750 3850 50  0001 C CNN
F 1 "GND" H 4755 3927 50  0000 C CNN
F 2 "" H 4750 4100 50  0001 C CNN
F 3 "" H 4750 4100 50  0001 C CNN
	1    4750 4100
	1    0    0    -1  
$EndComp
Wire Wire Line
	4750 4100 4750 4000
Connection ~ 4750 4000
Wire Wire Line
	4750 4000 5000 4000
Wire Wire Line
	9500 4000 8500 4000
Wire Wire Line
	6500 4000 6500 4550
Text Notes 9100 3900 0    50   ~ 0
DC-Block in PA
Text Notes 6150 5500 0    50   ~ 0
Zg = 2.78+2.47j Ω\nZd = 3.90-0.55j Ω
Wire Wire Line
	2000 4750 4500 4750
Text Notes 5800 4700 0    50   ~ 0
5mm/50Ω
Text Notes 4750 4700 0    50   ~ 0
8.5mm/50Ω
$Comp
L Device:C C27
U 1 1 5F20E213
P 4750 5250
F 0 "C27" H 4865 5296 50  0000 L CNN
F 1 "10pF" H 4865 5205 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 4788 5100 50  0001 C CNN
F 3 "~" H 4750 5250 50  0001 C CNN
	1    4750 5250
	1    0    0    -1  
$EndComp
$Comp
L Device:CTRIM C25
U 1 1 5F20EC7F
P 4250 5250
F 0 "C25" H 4366 5296 50  0000 L CNN
F 1 "JZ300" H 4366 5205 50  0000 L CNN
F 2 "Capacitor_SMD:C_Trimmer_Voltronics_JZ" H 4250 5250 50  0001 C CNN
F 3 "~" H 4250 5250 50  0001 C CNN
	1    4250 5250
	1    0    0    -1  
$EndComp
Wire Wire Line
	4250 5100 4250 5000
Wire Wire Line
	4250 5000 4500 5000
Wire Wire Line
	4750 5000 4750 5100
Wire Wire Line
	4250 5400 4250 5500
Wire Wire Line
	4250 5500 4500 5500
Wire Wire Line
	4750 5500 4750 5400
Wire Wire Line
	4500 5000 4500 4750
Connection ~ 4500 5000
Wire Wire Line
	4500 5000 4750 5000
Connection ~ 4500 4750
Wire Wire Line
	4500 4750 5500 4750
$Comp
L power:GND #PWR029
U 1 1 5F211328
P 4500 5600
F 0 "#PWR029" H 4500 5350 50  0001 C CNN
F 1 "GND" H 4505 5427 50  0000 C CNN
F 2 "" H 4500 5600 50  0001 C CNN
F 3 "" H 4500 5600 50  0001 C CNN
	1    4500 5600
	1    0    0    -1  
$EndComp
Wire Wire Line
	4500 5600 4500 5500
Connection ~ 4500 5500
Wire Wire Line
	4500 5500 4750 5500
Text Notes 4350 5950 0    50   ~ 0
C=26.5 pF
Text Notes 6800 3950 0    50   ~ 0
5mm/50Ω
Text Notes 7750 3950 0    50   ~ 0
12.5mm/50Ω
$Comp
L Device:C C32
U 1 1 5F212DF3
P 8750 4500
F 0 "C32" H 8865 4546 50  0000 L CNN
F 1 "10pF" H 8865 4455 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 8788 4350 50  0001 C CNN
F 3 "~" H 8750 4500 50  0001 C CNN
	1    8750 4500
	1    0    0    -1  
$EndComp
$Comp
L Device:CTRIM C30
U 1 1 5F212DFD
P 8250 4500
F 0 "C30" H 8366 4546 50  0000 L CNN
F 1 "JZ300" H 8366 4455 50  0000 L CNN
F 2 "Capacitor_SMD:C_Trimmer_Voltronics_JZ" H 8250 4500 50  0001 C CNN
F 3 "~" H 8250 4500 50  0001 C CNN
	1    8250 4500
	1    0    0    -1  
$EndComp
Wire Wire Line
	8250 4350 8250 4250
Wire Wire Line
	8250 4250 8500 4250
Wire Wire Line
	8750 4250 8750 4350
Wire Wire Line
	8250 4650 8250 4750
Wire Wire Line
	8250 4750 8500 4750
Wire Wire Line
	8750 4750 8750 4650
Wire Wire Line
	8500 4250 8500 4000
Connection ~ 8500 4250
Wire Wire Line
	8500 4250 8750 4250
$Comp
L power:GND #PWR034
U 1 1 5F212E10
P 8500 4850
F 0 "#PWR034" H 8500 4600 50  0001 C CNN
F 1 "GND" H 8505 4677 50  0000 C CNN
F 2 "" H 8500 4850 50  0001 C CNN
F 3 "" H 8500 4850 50  0001 C CNN
	1    8500 4850
	1    0    0    -1  
$EndComp
Wire Wire Line
	8500 4850 8500 4750
Connection ~ 8500 4750
Wire Wire Line
	8500 4750 8750 4750
Text Notes 8350 5200 0    50   ~ 0
C=24 pF
Connection ~ 8500 4000
Wire Wire Line
	8500 4000 7500 4000
$Comp
L Device:C C29
U 1 1 5F2197AC
P 8000 2750
F 0 "C29" H 8115 2796 50  0000 L CNN
F 1 "1nF" H 8115 2705 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 8038 2600 50  0001 C CNN
F 3 "~" H 8000 2750 50  0001 C CNN
	1    8000 2750
	1    0    0    -1  
$EndComp
$Comp
L Device:C C31
U 1 1 5F2197B6
P 8500 2750
F 0 "C31" H 8615 2796 50  0000 L CNN
F 1 "100nF" H 8615 2705 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 8538 2600 50  0001 C CNN
F 3 "~" H 8500 2750 50  0001 C CNN
	1    8500 2750
	1    0    0    -1  
$EndComp
Wire Wire Line
	8000 2600 8000 2500
Wire Wire Line
	8000 2500 8500 2500
Wire Wire Line
	8500 2500 8500 2600
Wire Wire Line
	8000 2900 8000 3000
Wire Wire Line
	8000 3000 8250 3000
Wire Wire Line
	8500 3000 8500 2900
$Comp
L power:GND #PWR033
U 1 1 5F2197C8
P 8250 3100
F 0 "#PWR033" H 8250 2850 50  0001 C CNN
F 1 "GND" H 8255 2927 50  0000 C CNN
F 2 "" H 8250 3100 50  0001 C CNN
F 3 "" H 8250 3100 50  0001 C CNN
	1    8250 3100
	1    0    0    -1  
$EndComp
Wire Wire Line
	8250 3100 8250 3000
Connection ~ 8250 3000
Wire Wire Line
	8250 3000 8500 3000
$Comp
L Device:C C33
U 1 1 5F224158
P 9000 2750
F 0 "C33" H 9115 2796 50  0000 L CNN
F 1 "10uF" H 9115 2705 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 9038 2600 50  0001 C CNN
F 3 "~" H 9000 2750 50  0001 C CNN
	1    9000 2750
	1    0    0    -1  
$EndComp
Wire Wire Line
	8500 3000 9000 3000
Wire Wire Line
	9000 3000 9000 2900
Connection ~ 8500 3000
Wire Wire Line
	9000 2600 9000 2500
Wire Wire Line
	9000 2500 8500 2500
Connection ~ 8500 2500
$Comp
L Device:L L8
U 1 1 5F226CB0
P 7500 3750
F 0 "L8" H 7552 3796 50  0000 L CNN
F 1 "200nH" H 7552 3705 50  0000 L CNN
F 2 "Inductor_SMD:L_2512_6332Metric" H 7500 3750 50  0001 C CNN
F 3 "~" H 7500 3750 50  0001 C CNN
	1    7500 3750
	1    0    0    -1  
$EndComp
Wire Wire Line
	7500 3900 7500 4000
Connection ~ 7500 4000
Wire Wire Line
	7500 4000 6500 4000
Wire Wire Line
	7500 3600 7500 2500
Wire Wire Line
	7500 2500 8000 2500
Connection ~ 8000 2500
$Comp
L power:+12V #PWR032
U 1 1 5F22A19E
P 7500 2400
F 0 "#PWR032" H 7500 2250 50  0001 C CNN
F 1 "+12V" H 7515 2573 50  0000 C CNN
F 2 "" H 7500 2400 50  0001 C CNN
F 3 "" H 7500 2400 50  0001 C CNN
	1    7500 2400
	1    0    0    -1  
$EndComp
Wire Wire Line
	7500 2400 7500 2500
Connection ~ 7500 2500
Text Notes 9500 4150 0    50   ~ 0
50Ω
Text Notes 2000 4900 0    50   ~ 0
50Ω
Text Notes 3700 3350 0    50   ~ 0
Dioden thermisch\nmit Transistor koppeln!
$Comp
L Device:Ferrite_Bead FB1
U 1 1 5F1F7F3B
P 2750 2500
F 0 "FB1" V 2476 2500 50  0000 C CNN
F 1 "WE-742861210" V 2567 2500 50  0000 C CNN
F 2 "Inductor_SMD:L_0603_1608Metric" V 2680 2500 50  0001 C CNN
F 3 "~" H 2750 2500 50  0001 C CNN
	1    2750 2500
	0    1    1    0   
$EndComp
Wire Wire Line
	5500 3500 5500 4100
Wire Wire Line
	2900 2500 3500 2500
Wire Wire Line
	5500 2700 5500 3500
Text Label 3350 4750 0    50   ~ 0
50R_PRE_IN
Text Label 8600 4000 0    50   ~ 0
50R_PRE_OUT
$Comp
L Diode:LL4148 D8
U 1 1 5F63123D
P 3500 3100
F 0 "D8" V 3546 3020 50  0000 R CNN
F 1 "LL4148" V 3455 3020 50  0000 R CNN
F 2 "Diode_SMD:D_MiniMELF" H 3500 2925 50  0001 C CNN
F 3 "http://www.vishay.com/docs/85557/ll4148.pdf" H 3500 3100 50  0001 C CNN
	1    3500 3100
	0    -1   -1   0   
$EndComp
$Comp
L Diode:LL4148 D9
U 1 1 5F63284C
P 3500 3500
F 0 "D9" V 3546 3420 50  0000 R CNN
F 1 "LL4148" V 3455 3420 50  0000 R CNN
F 2 "Diode_SMD:D_MiniMELF" H 3500 3325 50  0001 C CNN
F 3 "http://www.vishay.com/docs/85557/ll4148.pdf" H 3500 3500 50  0001 C CNN
	1    3500 3500
	0    -1   -1   0   
$EndComp
$EndSCHEMATC