<p>A second order low-pass filter.
</p>
Made by <a href="//commons.wikimedia.org/wiki/User:Vadmium" title="User:Vadmium">User:Vadmium</a> in a text editor, as an SVG version of <a href="//commons.wikimedia.org/wiki/File:Second_order_low_pass_filter.png" title="File:Second order low pass filter.png">Image:Second order low pass filter.png</a>.
No machine-readable author provided. <a href="//commons.wikimedia.org/wiki/User:Vadmium" title="User:Vadmium">Vadmium</a> assumed (based on copyright claims).
15 May 2007 (original upload date)
No machine-readable source provided. Own work assumed (based on copyright claims).