Are polarized caps necessary for power filtering?

Frequently asked questions on capacitor types, ratings, brands, use and abuse.
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Dr Tony Balls
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Post by Dr Tony Balls »

Reference this thread: viewtopic.php?f=10&t=14632

I built up a familiar circuit except using non-polarized filtering caps on the power supply and its giving me problems. I cant say for sure whether the caps are the root of the problem, but just wondering in general...is it possible to use non-polarized caps for power filtering?

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