DIY RI-2 V2.2

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Schematic diagram

Components mount diagrams

Mod for use CW line as carrier sense detect

Top layer components list

NoNamevalueLayercomment
0J6mmTopwire jumper
1Jp12×1Topcontact strip 2.54mm
2Jp22×1Topcontact strip 2.54mm
3Jp32×1Topcontact strip 2.54mm
4Jp42×1Topcontact strip 2.54mm
5Jp52×1Topcontact strip 2.54mm
6Jp62×1Topcontact strip 2.54mm
7Jp72×1Topcontact strip 2.54mm
8Jp82×1Topcontact strip 2.54mm
9Jp92×1Topcontact strip 2.54mm
10Jp102×1Topcontact strip 2.54mm
11Jp112×1Topcontact strip 2.54mm
12Jp122×1Topcontact strip 2.54mm
13OC14n25Top+ 6pin socket
14OC24n25Top+ 6pin socket
15P15kTopmultiturn pot.
16P25kTopmultiturn pot.
17TB12PTop5.08mm
18TB23PTop5.08mm
19TB32PTop5.08mm
20TB42PTop5.08mm
21TB52PTop5.08mm
22TB62PTop5.08mm
23TB72PTop5.08mm
24TB82PTop5.08mm
25TR1600ohmTop
26TR2600ohmTop

Bottom layer components list

nonamevaluelayercomment
1C12u2 =>15VBottom4x5mm
2C2100n => 16VBottom0805
3C3100n => 16VBottom0805
4C4100n => 16VBottom0805
5C5100n => 16VBottom0805
6C6100n => 16VBottom0805
7C7100n => 16VBottom0805
8D11N4148Bottom
9D21N4148Bottom
10R14k7Bottom0805
11R21k2 or 1kBottom0805
12R31k2 or 1kBottom0805
13R41k2 or 1kBottom0805
14R51k2 or 1kBottom0805
15R61k2 or 1kBottom0805
16R71k2 or 1kBottom0805