Just noticed that there seems to be three AD channels on the GE865, not just two. Reading e.g. by the command AT#ADC? returns three results. What is this third channel actually?
Further to my previous question about the AD converter; is there any ballpark figure available about accuracy and linearity?Maybe Telit has characterised it, although not providing guarantees.
Is there a reference voltage generator inside, or are AD measurements dependent on the GE865 feeding voltage (VBAT)?
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