The power supply may be one of the least-considered components of an electronic system. After all, how hard can it be to find the right power source for your system? You figure out how much current you need at the voltage your system will operate at, find a model that can supply that voltage and current in a catalog or on a website, then make the purchase.
Actually, it's not that simple. There are many other things that you need to think about choosing and using a power supply. Here are five common mistakes that engineers make when choosing and using a power source for their projects:
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