1. DDS Unit
Assemble the following components: (C34 has no component)
1) Assemble Y1, the 2MHz crystal. Bend the leads before soldering. Otherwise it will be
too high.
2) Assemble MIC. Notice the Ground pin (the pin connected to the casing). Solder the
GND pin of the MIC to the GND pad of CN6 (the square pad on the left), and solder the
MIC pin to the MIC pad (the round pad). It is suggested to extend the leads so that the
MIC is closer to the MIC hole on the case. See illustration.
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