Great filter calculator site

[culturejam]

This one covers just about all the filters we use in effects:

http://sim.okawa-denshi.jp/en/Fkeisan.htm

[raulduke]

Bookmarked  !

Good find dude!

[madbean]

Bitchin' find. Thanks for this.

[culturejam]

Bitchin' find. Thanks for this.

As I recall, I stumbled onto it while I was reading up on Sallen-Key filters and trying to understand them.

[jimmybjj]

thank you.

[culturejam]

This is a pretty good read too:
http://www.physics.unlv.edu/~bill/PHYS483/op_amp_filt.pdf

I had a couple "oohhhhhh!!!" moments while reading it. 

[gtr2]

Your post is very timely.  I was studying filters last night until my eyes hurt for a project I'm working on.  Ironically none of these sites popped up 

Very helpful CJ!

Thanks

Josh

[Vallhagen]

Excellent culturejam!

...and as we are on the subject, may i add this document to the bunch of useful ones:
http://www.ti.com/lit/an/sloa093/sloa093.pdf

Cheers

[jkokura]

You guys are my favourite.

Jacob

[raulduke]

Brilliant stuff dude!