<html><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Thanks. Yeah, that's a bug. Good catch! 'Fixed.<div class=""><br class=""></div><div class=""><div class=""><div> -- Don</div><div>--<br class="">Donald Tillman, Palo Alto, California<br class=""><a href="http://www.till.com" class="">http://www.till.com</a></div><div class=""><br class=""></div></div><div><br class=""><br class=""><blockquote type="cite" class=""><div class="">On Sep 18, 2018, at 11:16 AM, Dave <<a href="mailto:dlmanley@sonic.net" class="">dlmanley@sonic.net</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class="">Cool stuff. Wish there were interactive tools like this when i took related coursework back in 1980. :-)<br class="">
<br class="">
Can you change the clear to reset the feedback sliders (or add a separate clear for that).<br class="">
<br class="">
-Dave<br class=""><br class=""><div class="gmail_quote">On September 18, 2018 10:44:33 AM PDT, Donald Tillman <<a href="mailto:don@till.com" class="">don@till.com</a>> wrote:<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<pre class="k9mail">Hey folks,<br class=""><br class="">Since we've been talking about filters lately...<br class=""><br class="">There are several classes of active filters (state variable, gyrator, etc.), but one that's especially interesting is where you start with a passive RC filter, with poles on the real axis, and apply feedback, liberating the poles into the wonderment of the complex plane.<br class=""><br class="">Here's a Javascript simulation I wrote of exactly that:<br class=""><br class=""> Root Locus Demo of Real Poles with Feedback<br class=""> <a href="http://till.com/articles/poledance" class="">http://till.com/articles/poledance</a><br class=""><br class="">Have fun with it. Tell me what you think. Ask questions. Explore.<br class=""><br class=""> -- Don</pre></blockquote></div></div></div></blockquote></div></div></body></html>