CARACTERíSTICAS
•
Ancho de banda: 1 a 35MHz.
•
Potencia de entrada máxima recomendada (sin atenuador): 0dBm 50ohm.
•
Ganancia mínima: 37dB@30MHz 13.8V
•
Potencia de salida máxima: 15W (con radiador extra)
•
Alimentación: 12 to 14V
•
Dimensiones del PCB: 55 x 40mm
LISTA DE COMPONENTES
Componentes electrónicos
Cantidad Referencia
1
R14
1
R2 (input attenuator)
2
R9, R10
1
R12
4
R4, R7, R8, R17
3
R5, R6, R16
2
R1, R3 (input attenuator)
1
R15
2
R11, R13
1
P1
6
C1, C2, C3, C5, C6, C9
C7, C10, C11, C12, C14,
7
C15, C16
3
C4, C8, C13
1
Q1
1
Q2
3
Q3, Q4, Q5
1
Q6
1
Q7 (see text)
1
D1
1
L1
43cms
Enamelled wire
8
Terminal-pins
4
Spacers+screws+nuts
1
M3x10 screw+nut+washer --
1
Heatsink
1
QPA-1 PCB
QPA-1 Amplificador QRP de bajo nivel de entrada para HF y TX de CW (3 a 30MHz)
Valor
Component type
1 Ω resistor
1
1 (see text) 1 Ω resistor
47 Ω resistors
47
100 Ωresistors
100
330 Ωresistors
330
1K
1K resistors
See text
4K7
4K4 resistor
100K
100K resistor
5K
5K Adjustable resistor
10n
10n capacitors
100n
100n capacitors
100uF
100uF electrolitic capacitors
BC557/558 BC557 or BC558 PNP transistor
2N3819
2N3819 Fet tansistor
BS170
BS170 Fet transistors
RD16HHF1 RD16HHF1 Power amp transistor
--
(see text)
6V2
Zener diode 6V2
FT50-61
FT50-61 toroid 10 x 2 turns (see text)
--
43cms enamelled wire for L1 toroid
--
Terminal-pins 2 + 2 + 2 + 2
--
Hex spacers + M3x4 screws + M3 nuts
M3x10 screw+nut+washer
--
RD756 Heatsink for Q6 (Power Amp)
--
QPA-1 board
Identificación
brown-black-gold
brown-black-gold
yellow-violet-black
brown-black-brown
orange-orange-brown
brown-black-red
yellow-violet-red
brown-black-yellow
503 - 53
103 or 0.01
104 or 0.1
100uF
BC557/558
2N3819
BS170
RD16HHF1
--
6V2
FT50-61
--
--
--
--
--
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