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Semiconductor list
Qty
Transistors
2
1
1
1
Integrated circuits
1
2
1
2
1
Diodes
1
1
1
1
1
Inductor/RF Transformer/Crystal/Relay list
Qty
1
1
2
4
5u3H (3334)
2
1
-
1
Hardware
Qty
Value
5
M3 nuts
4
spacers
4
M3x5 screw
1
M3x10 screw
1
M3 washer
22
1
jumper
4
IC socket
1
Heatsink
110cms
Copper wire
1
Electret Mic
1
MFT PCB
*
Los pins en letra pequeña solo se colocan si se construye el receptor de forma independiente (sin el transmisor).
MFT-40 DSB Transceiver Kit
Type
Checked Ref.
BC547
Q1, Q2
P2222
Q3
BD135
Q4
2SC2078
Q5 (heatsink + washer + mica spacer)
LM741
IC2
SA/NE602
IC1, IC6
LM386
IC3
78L06
IC4, IC7
78L08
IC8
1N4148
D1
1N4001(7)
D2
47V
D3 Zener 47V 1W
9V1
D4 Zener 9V1 0.5W
SVC236
Varicap diode SMD (soldered)
Value
Checked Ref.
100uH
L8 Axial inductor
2,7uH
L5 Axial inductor
T37-2
L10, L11 LPF toroids
--
L4 Toroid. Tuning inductor NO USED
L1, L2, L3, L6 shielded coils 5u3H
FT37-43
L7 toroid 10t - 3t ; L9 toroid 8t+8t
7.200
X1
--
X2 – not used -
Relays
RL1
Checked Ref.
hex nuts M3
5mm hexagonal spacer for M3 screw
5mm M3 screw
10mm M3 screw
M3 lock washer
MIC(3), 12-14V(2), ANT(2), SPEAK(2), EXT-VFO(2), J1(2)
pins
*
VFO-TX (2) +V (1), +VRX (2),SPEAK(2) , +VTX (1), RX-ANT(2), EXT-VFO(2), J1(2)
jumper for J1
IC's socket 8 pin
RD756 Heatsink for Q5 (output transistor)
110cm enameled copper wire 0,5mm
Electret Microphone Capsule
110mm x 130mm MFT PCB
Identified
BC547
2222
BD135
C2078
LM741CN or UA741
SA602AN or NE602AN
LM386N-1
MC78L06
MC78L08
4148
1N4001 or 1N4007
BZX85C47 or Z47
9V1
Z V
Identified
brown, black, brown
red-violet-gold
9.5 mm diam. Red
--
5u3H
9.5 mm diam. Black
7200
-
Identified
-
-
-
-
-
-
-
-
-
-
-
-
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