QRP Labs QDX, Assembly And Operating Manual

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2.2 Parts list
Many components are SMD, pre-soldered to the PCB in the factory. Only through-hole
components need to be installed by the constructor. SMD components in the parts list are
identified in the Description column and by the text colour being purple.
Resistors
Qty Value Description Component numbers
3 0-ohms SMD R30, 31, 32
4 100-ohms SMD R22, 23, 24, 25
2 330-ohms SMD R2, 4
2 470-ohms SMD R28, 33
4 1K SMD R1, 6, 20, 21
1 1.5K SMD R34 (NOT INSTALLED)
12 10K SMD R3, 5, 10, 11, 12, 13, 14, 17, 18, 26, 27, 29
3 100K SMD R15, 16, 19
3 470K SMD R7, 8, 9
Capacitors (50V, Multi-layer Ceramic capacitors)
Qty Value Description Component numbers
1 22pF Label “220” C29
1 30pF Label “300” C31
2 47pF SMD C27, 32
2 56pF Label “56J” C10, 28
1 82pF Label “820” C11
1 100pF Label “101” C9
1 180pF Label “181” C20
1 220pF Label “221” C30
1 270pF Label “271” C7
2 390pF Label “391” C6, 19
2 470pF Label “471” C5, 14
2 820pF Label “821” C13, 18
1 1200pF Label “122” C12
3 10nF SMD C36, 44, 45
21 0.1uF SMD C15, 16, 17, 21, 22, 23, 24, 25, 26, 33, 35, 37, 39, 40,
41, 43, 46, 47, 49, 51, 53
11 2.2uF SMD C1, 2, 3, 4, 8, 34, 38, 42, 48, 50, 52
1 220uF 16V electrolytic Extra DC supply capacitor (see text)
QDX assembly Rev 1.00
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