gEDA-user: analog switch idea

[gene glick]

al davis wrote:
> On Saturday 05 August 2006 09:46, gene glick wrote:
>> Hey, I am curious, noise adds as the root of the sum of the
>> squares, right? 
> ..because it is uncorrelated.
Yep, that's how I remember it :-)
> 
>> How does distortion accumulate?  Seems to me 
>> that it just adds linearly.
> 
> Sometimes it adds linearly.  Sometimes it cancels.  Good designs 
> will use this cancellation to advantage.
> 
How does that work?  I'd have to know, pretty well, the transfer 
function of whatever is causing the distortion. I can see using that to 
my benefit, but how else could this work?
> 
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