[sdiy] Capacitor types - which when?

[René Schmitz]

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