[time-nuts] Power supply for Thunderbolt
Bruce Griffiths
bruce.griffiths at xtra.co.nz
Thu Aug 7 11:25:26 UTC 2008
Peter Vince wrote:
> Bruce wrote:
>
>> ...
>> It may be possible to stack 3 low ESR super capacitors in series
>> (maximum voltage rating is around 2v -2.5V those with higher ratings are
>> actually series connected stacks) to do this but this is a relatively
>> expensive proposition.
>> ...
>>
>
> Presumably you would need parallel resistors to ensure an even
> voltage split? And if so, are we talking about kilohms or megohms?
>
> Peter
>
>
Peter
The leakage of super caps is relatively low (at least the carbon
aerogell foam variety) so around 10k or so should be OK.
Bruce
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