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<p>I still have a few spare PCBs for this if anyone wants one. Made
from the publicly available gerbers Phil Baljeu put on his github:
<a class="moz-txt-link-freetext" href="https://github.com/psyingo/OGA/tree/master/Oscilloscope_Graphic_Artist_updated">https://github.com/psyingo/OGA/tree/master/Oscilloscope_Graphic_Artist_updated</a><br>
</p>
<p>Cheers,<br>
A.</p>
<p><br>
</p>
<div class="moz-cite-prefix">On 9/08/2021 10:27 am, Terry Bowman via
Synth-diy wrote:<br>
</div>
<blockquote type="cite"
cite="mid:58B167F3-9A1B-4EDB-BE85-A5C6FDFFE897@gmail.com">
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For years I've wanted to probe deeper into the workings of The
Oscilloscope Artist...
<div class=""><br class="">
</div>
<div class="">Blog post with pdf download here: <a
href="https://www.astarcloseup.com/2016/02/the-oscilloscope-artist.html"
class="" moz-do-not-send="true">https://www.astarcloseup.com/2016/02/the-oscilloscope-artist.html</a>
<div class=""><br class="">
</div>
<div class=""><br class="">
</div>
<div class="">Half of the circuit is four classic Schmitt
Trigger/Integrator LFOs and that part I understand. It's the
second part, particularly the phase shifting, that I'd like to
understand better.</div>
<div class=""><br class="">
</div>
<div class="">I'm not familiar with any circuit simulators
although I've read about most of them. What do you suggest?
I'm in the Mac universe.</div>
<div class=""><br class="">
</div>
<div class="">It would be nice to have a model of the LFO to
start with. Thanks in advance!</div>
<div class=""><br class="">
</div>
<div class=""><br class="">
<div class="">
<div dir="auto" style="caret-color: rgb(0, 0, 0); color:
rgb(0, 0, 0); letter-spacing: normal; text-align: start;
text-indent: 0px; text-transform: none; white-space:
normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;
text-decoration: none; word-wrap: break-word;
-webkit-nbsp-mode: space; line-break: after-white-space;"
class="">
<div dir="auto" style="caret-color: rgb(0, 0, 0); color:
rgb(0, 0, 0); letter-spacing: normal; text-align: start;
text-indent: 0px; text-transform: none; white-space:
normal; word-spacing: 0px; -webkit-text-stroke-width:
0px; text-decoration: none; word-wrap: break-word;
-webkit-nbsp-mode: space; line-break:
after-white-space;" class="">
<div style="text-align: start; text-indent: 0px;
word-wrap: break-word; -webkit-nbsp-mode: space;
line-break: after-white-space;" class="">
<div style="text-align: start; text-indent: 0px;
word-wrap: break-word; -webkit-nbsp-mode: space;
line-break: after-white-space;" class="">
<div style="color: rgb(0, 0, 0); letter-spacing:
normal; text-transform: none; white-space: normal;
word-spacing: 0px; -webkit-text-stroke-width: 0px;
text-align: start; text-indent: 0px; word-wrap:
break-word; -webkit-nbsp-mode: space; line-break:
after-white-space;" class="">Terry Bowman, KA4HJH<br
class="">
"The Mac Doctor"<br class="">
<br class="">
</div>
<div style="color: rgb(0, 0, 0); letter-spacing:
normal; text-transform: none; white-space: normal;
word-spacing: 0px; -webkit-text-stroke-width: 0px;
text-align: start; text-indent: 0px; word-wrap:
break-word; -webkit-nbsp-mode: space; line-break:
after-white-space;" class=""><a
href="https://www.astarcloseup.com" class=""
moz-do-not-send="true">https://www.astarcloseup.com</a></div>
<div style="color: rgb(0, 0, 0); letter-spacing:
normal; text-transform: none; white-space: normal;
word-spacing: 0px; -webkit-text-stroke-width: 0px;
text-align: start; text-indent: 0px; word-wrap:
break-word; -webkit-nbsp-mode: space; line-break:
after-white-space;" class=""><br class="">
</div>
<div style="text-align: start; text-indent: 0px;
word-wrap: break-word; -webkit-nbsp-mode: space;
line-break: after-white-space;" class="">“...the
book said something astonishing, a very big
thought. The stars, it said, were suns but very
far away. The Sun was a star but close up.”—Carl
Sagan, "The Backbone Of Night",<span
class="Apple-converted-space" style="color:
rgb(0, 0, 0); letter-spacing: normal;
text-transform: none; white-space: normal;
word-spacing: 0px; -webkit-text-stroke-width:
0px;"> </span><i style="color: rgb(0, 0, 0);
letter-spacing: normal; text-transform: none;
white-space: normal; word-spacing: 0px;
-webkit-text-stroke-width: 0px;" class="">Cosmos</i>, 1980<br
class="">
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