[sdiy] SMD capacitors : choosing dielectric type

[David G Dixon]

> I've used PPS caps in audio DAC/ADC filters on sound cards 
> and thought they sounded pretty good. When we were doing 
> tests on our circuits we found the converters and op-amps 
> were more critical than the caps in the circuit. I still use 
> one of the cards in my DAW and it still holds up to a lot of 
> newer cards. Biggest problem is that the cards are PCI and 
> that's going away pretty fast now.

I've had good luck with the WIMA metallized PPE caps for filters.