Electronics > Beginners
nobody talking about switching PS wasting power on input filter caps?
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emece67:
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radiolistener:

--- Quote from: emece67 on August 24, 2019, 11:33:11 pm ---"AC source consumes power from the capacitor", this is a pure nonsense), that are not the same thing, this BS can be stopped.

--- End quote ---

AC source can consume external power the same as DC source.
emece67:
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radiolistener:

--- Quote from: emece67 on August 24, 2019, 11:42:32 pm ---From the capacitor?

--- End quote ---

If capacitor voltage is higher than AC or DC source, why not?

Above you can find some screenshots from LTspice with example. AC source consumes power from capacitor. You can see it on the graph.
emece67:
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