[sdiy] SMD capacitors : choosing dielectric type

David G Dixon dixon at mail.ubc.ca
Tue Feb 7 04:49:52 CET 2012

> 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.

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