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Ritmo2k

+- power supplies

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I have been out of electronics for too long. Can someone point me to a definition to understand what a +/- powersupply is, and how you attain it? Specifically like a computer type switch mode ps, what does a +5 and -5 volt mean?

And I dont mean the generic polarity of a trivial ps either;->

Thanks

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Hi Ritmo2k

I've tried to answer what I think is your question with a diagram...

+5v means a positive supply relative to some common terminal and likewise -5v means a negative supply relative to some common terminal.

Hope that helps

Ed

post-8387-14279142610573_thumb.png

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