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Old 12 April 2020, 19:57   #14
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Join Date: Jun 2015
Location: Germany
Posts: 818
Originally Posted by Daedalus View Post
That energy goes somewhere though, it's not magic.
It's not energy, it's a potential difference. One that may produce a proportional current flow but usually doesn't because of the non-linearity of circuits such as semiconductor circuits. That's precisely the reason why digital circuits are essentially overdriven analogue amplifiers: they operate in non-linear mode and thus suffer much less from power supply noise.
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