[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




More information about the Time-nuts_lists.febo.com mailing list