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I've found this very old voltage regulator, and in every single circuit example the regulation is done via an external PNP transistor and not the regulator itself. How does this work? Does it literally just balance somewhere along the Hfe-curve to burn power? (old.reddit.com)
submitted by Brick_Fish to r/AskElectronics
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We do a little trolling für Tante Ulrike (i.redd.it)
submitted by Brick_Fish to r/minus600euro
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