[sdiy] Capacitor types - which when?

[Thomas Hudson]

Here's a good page comparing caps and D-E curves:

http://members.aol.com/sbench102/caps.html


On May 16, 2004, at 11:15 AM, René Schmitz wrote:

> Hi Tim,
>
> TIm Daugard wrote:
>>> Ceramics have high dielectric figures (so the cap can be made 
>>> small), but at the cost of also being very nonlinear. That is why 
>>> they should be avoided in the audio path. But sometimes they are 
>>> whats responsible for
>> What are the ceramic non-linearities?
>
> They exhibit an S-shaped "compression" curve, not unlike a overdriven 
> OTA. The dielectric figure of these dielectrics are dependant on the 
> external field, and seems to diminish the higher the E field is.
>
> Cheers,
>  René
>
> -- 
> uzs159 at uni-bonn.de
> http://www.uni-bonn.de/~uzs159
>
>