[sdiy] Capacitor types - which when?

[john mahoney]

> > Polyester are nearly as tight as styrene, and made in more of a variety
> > of values.
>
> oops... Polyester IS Mylar...  they are not in the same class as
> polystyrene. They are quite
> poor in dielectric absorption and should be avoided for S/H and critical
> VCO capacitors.

Likely meant to say "polypropylene film," based on my reading of your
(Harry's) excellent compendium of capacitor characteristics:
http://www.hoohahrecords.com/resfreq/articles/capacitor.html
--
john