Wednesday 26 August 2015

Why do electronic circuits need their power supply to be DC, or rectified AC?


I'm pretty sure the answer to this should be obvious - even to me ...


It's been a while I've been reading and attempting to construct simple electronic circuits. The supply almost always is either through a battery/cell, or AC duly rectified to DC.


I have the impression electronic circuits rarely ever work off an AC supply.



  • Is this impression correct?


  • If yes, why is an electronic circuit rarely (if ever) powered/biased using straight AC?




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