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RE: Linear Power Supply or Battery on Mac Mini - pics

But how do you know that these 'droops' are detrimental ?

And remember, those measurements were taken before the additional filtering module installed within the Mac Mini. And another thing, decoupling caps right at the Vcc source pin to a component tend to help with those fast 'droops'. There are several such caps in most digital designs.

I'm not saying that a 'faster' regulator won't improve the screen shot but how important it might be is another question.

Edit: I just posted two more scope screen shots and it appears that the battery actually has better transient regulation, although it has more wide band noise under steady state DC load. Pick you poison. ;-)



Edits: 12/21/14
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