S-100 Bus Voltages

From: Clint Wolff <vaxman_at_qwest.net>
Date: Sun Jun 3 09:41:59 2001

Actually, modern ceramic caps are very close to tantalums
in terms of performance, and are approaching the size of
tantalums. Those of you who are engineers (or am I the
only one?) should investigate ceramics before plopping
a half dozen tantalums onto a board...

Clint

On Sun, 3 Jun 2001, John Foust wrote:

> At 10:59 PM 6/2/01 -0500, Eric Dittman wrote:
> >The boards had several tantalum capacitors.
>
> I thought I'd recently heard a news story that
> claimed that 80% of the world's supply comes from
> a single mine in the Australian outback, but that
> may only be a slight exaggeration:
>
> http://www.cellular.co.za/technologies/phones/tantalum.htm
>
> which leads to tantalum ore poaching:
>
> http://www.ebnews.com/digest/story/OEG20010427S0086
>
> Perhaps a richer source of ore is old computers.
>
> - John
>
>
>
Received on Sun Jun 03 2001 - 09:41:59 BST

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