At 02:07 PM 12/17/02 +1300, you wrote:
>I'm using a 47uF cap to filter a 50mV signal on a PIC
>comparator pin. Is 50mV enough to maintain the oxide
>layer or is this cap going to deteriorate. Web references
>to re-forming old or dead caps don't appear to give any
>clues as to what voltage is actually needed to keep the
>cap alive in the first place. I recall a thread about using
>aluminium foil caps close to their rated voltage for best
>life.

Don't worry about it, Jinx.

>Would a Ta cap be better ?

Not really.

Best regards,

Spehro Pefhany --"it's the network..."            "The Journey is the reward"
speff@interlog.com             Info for manufacturers: http://www.trexon.com
Embedded software/hardware/analog  Info for designers:  http://www.speff.com

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