[sdiy] Sallen Key caps

[Roman Sowa]

how about resizing RC values by 10, and use 10nF NP0 cap. Much smaller 
and considerably cheaper, not easy to melt.

Roman

W dniu 2015-04-23 o 17:59, Justin Owen pisze:
> Hello,
>
> I'm using a Sallen Key LPF as a DAC output reconstruction filter with cutoff set at approx. 500Hz.
>
> I've been using these PET through-hole caps:
>
> http://uk.farnell.com/kemet/r82dc3100dq50k/cap-film-pet-0-1uf-63v-rad/dp/2429344?ost=242-9344
>
> Filter works as expected - but I was wondering if these PEN 1210 SMD might be a viable space-saving alternative?
>
> http://uk.farnell.com/avx/cb027c0104jba/cap-film-pen-100nf-25v-smd/dp/1100602
>
> Haven't used a cap like this in surface mount before - so any info would be appreciated.
>
> Thanks,
>
> - J
>
>
>
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