ah cheers, will look into it!
jure
On 4/6/06, austeritygirlone <ziggystar@...> wrote:
> A cap can be considered as a frequency dependant resistor. High freqs
> can pass and low freqs can't.
>
> Have a look at this picture:
>
> http://www.elecdesign.com/Files/29/1478/Figure_01.gif
>
> The +5V offset can be considered a very, very low frequency (f->0).
>
> On the other hand you can construct a lp filter, by "shortening" the
> high frequencies through a cap. Then you have to take the signal from
> before the cap, because the low frequencies stay there.
>
>
> > hehe i'm even more new to this stuff and i really don't understand how
> > running AC signal through a cap eliminates the DC offset... shouldn't
> > that eliminate the high frequencies (and thus the oscillation)?
> >
> > jure
>
>
>
>
>
>
>
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