And how should i «smooth it into a true analog level first»?.
Mike sais that i need a low pass filter the circuit to smooth out the PWM pulses to DC.
Any Schematics? ...
The schematics for a low pass filter are in the pdf I linked to:
http://instruct1.cit.cornell.edu/courses/bionb440/datasheets/SingleSupply.pdf
Regards,
Mike