[sdiy] Basic 4th order LP butterworth filter papers
Chromatest J. Pantsmaker
chromatest at azburners.org
Fri Feb 5 03:00:35 CET 2010
On Thu, Feb 4, 2010 at 6:51 PM, Karl Ekdahl <elektrodwarf at yahoo.se> wrote:
> Hi list
>
> I'm looking for info on the basic building blocks of an *active* 4th order butterworth LP filter, so far the internet has given me nothing. If anyone have any pointers i'd sure appreciate it!
Like this, or something else?
http://focus.ti.com/lit/ds/symlink/tlc14.pdf
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