8 Oct
2010
8 Oct
'10
6:59 a.m.
In article <4CAE8E9C.6040400 at brouhaha.com>,
Eric Smith <eric at brouhaha.com> writes:
On 10/07/2010 03:15 PM, Richard wrote:
No, it isn't. The part you didn't quote is where the other poster was
saying "apply increasing voltage gradually". That's what you do when
you reform a cap. Its *not* what happens when you turn on the power.
Otherwise people wouldn't need reforming circuits.
Yeah, but this isn't what occurs when you
just power on the device.
Actually, it is. The oxide breaks down whenever the capacitor isn't
powered, but it is an exponential decay effect. Leaving something
powered off a short while doesn't let it break down too much, and when
you power it up again, the oxide reforms a little bit, back to where it
is supposed to be.
I'd like to see some data/research that supports this.
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