[linux-audio-user] Re: 192kHz
fons.adriaensen at skynet.be
Sun Jan 29 18:12:52 EST 2006
On Sun, Jan 29, 2006 at 10:55:05PM +0000, Folderol wrote:
> No! It is definitely 1/c1 + 1/c2 ...
> The only alternative I know of is 'product divided by sum' which is
> often easier to use.
> (c1 x c2 x c3) / (c1 + c2 + c3)
Sorry, all wrong, as can be seen easily by considering the dimensions.
The first one is 1/Farad, the second Farad^2.
The rule is the same as for parallell resistors:
The inverse of the equivalent value is the sum of the inverses
of all individual values.
1/Ceq = 1/C1 + 1/C2 + 1/C3 + ...
or for just two of them
Ceq = (C1 * C2) / (C1 + C2)
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