[time-nuts] Parallel voltage regulators

Bruce Griffiths bruce.griffiths at xtra.co.nz
Fri Oct 26 20:57:09 EDT 2007


Tom Clifton wrote:
> This has been a fascinating and educational thread!  I
> have always been aware of noise coming from switching
> regulators - just have Argo or Speclab look at your
> laptop's sound card with "no input" signal and there
> is plenty to look at until you go to battery power.
>
> I had never considered diode switching noise in linear
> supplies, nor birdies from an assortment of logic
> devices - though I am a believer in healthy
> distribution of bypass capacitors...
>
> Now if Sears only sold Diehard batteries that put out
> 3.3 volts...
>   
Even batteries have noise, some types have more than others.

Bruce



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