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questions
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How to avoid AC in cheap DC charger
I bought a cheap DC charger a couple of days back and I have been using it to charge my headphones and other small electronics.
I recently noticed that there is small amount of AC, less than 1V, ...
1
vote
1
answer
555
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Standard 12 Volt DC fan for PC: how much AC ripple can support? Does ripple increase noise?
I want to know which is the mechanical effect to run a DC 12V brushless common fan with a very basic and poor power supply (just a diode plus a low value capacitor, no regulation at all). In principle,...