Re: Has my PIC blown?

On 22 Nov 2005 05:37:48 -0800, "Silverfox"
<silverfox.williams@xxxxxxxxx> wrote:

>Ok I think I am understanding the capacitor thing to smooth out the
>voltage so stop it from being eratic. Am I right in saying that voltage
>will run through the capacitor to ground until the capacitor is fully
>charged then it will block the voltage allowing the voltage to the 'In'
>pin of the voltage regulator. Now the part I am getting lost on is, if
>the voltage now coming to to the 'In' pin is a spike, how does the
>capacitor smooth this out and I'm also lost if the voltage dips to the
>'In' pin.

It might help to think of a bypass capacitor as something like a very
tiny rechargable battery - the "battery" charges on spikes, and
discharges on dips in an attempt to keep the voltage constant.





--
Peter Bennett VE7CEI
email: peterbb4 (at) interchange.ubc.ca
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