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Posted in Arduino Hacks, Radio Hacks Tagged arduino, digitally controlled oscillator, ham radio, SI5351, Teensy, variable frequency oscillator, VCXO, VFO ← Hacklet 98 – Underwater ROVs ...
This radio uses two of the SI5351 clocks: one for the VFO and one for the BFO. This reduces the part count, and could make this design quite cheap.