Hi Flotul
I already saw a '317 as a couple of KHz PWM amplifier ( yes ON/OFF !!! ) ... OK ... precisely ON/1.25v ...
Seems it's also already used in classA amplifiers !!! ( see National Datasheet )
Just have a nice filtering for the PWM out of the Pic and it will work just as you want !!!
Alain
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Why insist on using 32 Bits when you're not even able to deal with the first 8 ones ??? ehhhhhh ...
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IF there is the word "Problem" in your question ...
certainly the answer is " RTFM " or " RTFDataSheet " !!!
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