The best replacement for rc filter is lc filter.

The best alternatives to rc filter are rated as following:

★★★★★	lc filter
★★	rl filter

Your alternative for rc filter is not listed? Suggest!

Speaking about rc filter, one probably shouldn't forget about half wave rectifier.

Other search terms related to rc filter and their ratings are:

★★★★★	half wave rectifier
★★★★	bridge rectifier

You have in mind a companion for rc filter and it is not yet here? Propose!

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rc filter

lc filter

rl filter