MDT Construction Manual – Issue 2
Page 20
Desig.
Value
Type
Desig.
Value
Type
R1
220Ω
1/4W 5% resistor
T1
4T:8T:4T
FT37-43 toroid
R2
1K
1/4W 5% resistor
T2
8T:2T
FT37-43 toroid
R3
100K
1/4W 5% resistor
R4
100K
1/4W 5% resistor
U1
LM833
Dual low noise op-amp
R5
1K
1/4W 5% resistor
U2
LM386-4
Audio power amp
R6
56K
1/4W 5% resistor
R7
100Ω
1/4W 5% resistor
VR1
50K
LIN 16mm potentiometer
R8
470Ω
1/4W 5% resistor
VR2
500Ω
Multi-turn trimpot
R9
2.2K
1/4W 5% resistor
VR3
5K
Horizontal trimpot
R10
10K
1/4W 5% resistor
VR4
10K
LOG 16mm potentiometer
R11
470Ω
1/4W 5% resistor
R12
2.2K
1/4W 5% resistor
X1
7.2MHz
ceramic resonator
R13
10Ω
1/4W 5% resistor
R14
2.2K
1/4W 5% resistor
R15
470Ω
1/4W 5% resistor
R16
10Ω
1/4W 5% resistor
R17
22Ω
1/4W 5% resistor
R18
3.3K
1/4W 5% resistor
R19
1.5Ω
1/4W 5% resistor
R20
1.5Ω
1/4W 5% resistor
R21
2.2K
1/4W 5% resistor
R22
4.7K
1/4W 5% resistor
R23
100Ω
1/4W 5% resistor
R24
470Ω
1/4W 5% resistor
R25
4.7K
1/4W 5% resistor
R26
470K
1/4W 5% resistor
R27
470Ω
1/4W 5% resistor
R28
100Ω
1/4W 5% resistor
R29
220K
1/4W 5% resistor
R30
1K
1/4W 5% resistor
R31
100Ω
1/4W 5% resistor
R32
470Ω
1/4W 5% resistor
R33
10K
1/4W 5% resistor
R34
4.7K
1/4W 5% resistor
R35
10K
1/4W 5% resistor
R36
470K
1/4W 5% resistor
R37
10K
1/4W 5% resistor
R38
10K
1/4W 5% resistor
R39
4.7K
1/4W 5% resistor
R40
220K
1/4W 5% resistor
R41
10Ω
1/4W 5% resistor
R42
470Ω
1/4W 5% resistor
R43
22Ω
1/4W 5% resistor
R44
10Ω
1/4W 5% resistor
Summary of Contents for MDT
Page 1: ...MDT Construction Manual Issue 2 Page 1 MDT DSB TRANSCEIVER CONSTRUCTION MANUAL ...
Page 8: ...MDT Construction Manual Issue 2 Page 8 5 MDT BLOCK DIAGRAM Figure 3 MDT Block diagram ...
Page 12: ...MDT Construction Manual Issue 2 Page 12 Figure 4 Carrier oscillator ...
Page 13: ...MDT Construction Manual Issue 2 Page 13 Figure 5 Mixer ...
Page 14: ...MDT Construction Manual Issue 2 Page 14 Figure 6 Microphone Amplifier ...
Page 15: ...MDT Construction Manual Issue 2 Page 15 Figure 7 Transmit ...
Page 16: ...MDT Construction Manual Issue 2 Page 16 Figure 8 Receive Audio ...
Page 32: ...MDT Construction Manual Issue 2 Page 32 Figure 20 Component overlay ...