AVR-Chat

Hi Dave,

Hmm.. I might be a complete fool. I was working on a tube amplifier quite a 
while ago where this bit me in the arse because I was thinking percentages 
and was off by quite a bit of ohms, but your math is quite correct. Sorry 
about typing before thinking. 

-Micah 

On Monday 09 January 2006 2:38 pm, Dave Hylands wrote:
>  Hi Micah,
>
>  > If you have 10, 100 ohm resistors in series, and each is 1% tolarance,
>  > the tolarance of the total group is +- 10%.. That is indeed correct, and
>  > if each is +-10%, then the total tolerance is +-100%.. odd as it may
>  > sound.
>
>  I don't agree.
>
>  Let's take the example, of 10 x 100 ohm resistors with 1% tolerance.
>  Let's suppose that they're all 99 ohms (worst case low-side
>  resistance).
>
>  If you add up all 10, you get 990 ohms which is still within 1% of the
>  nominal 1000 ohms that you should have. I don't see where how you
>  could possibly get 10% of error.
>
>  --
>  Dave Hylands
>  Vancouver, BC, Canada
>  http://www.DaveHylands.com/
>
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