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#opamp

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IT News<p>Why the LM741 Sucks - First of all, we’d like to give a big shout-out to [Afrotechmods]! After a long hi... - <a href="https://hackaday.com/2025/04/01/why-the-lm741-sucks/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">hackaday.com/2025/04/01/why-th</span><span class="invisible">e-lm741-sucks/</span></a> <a href="https://schleuss.online/tags/gainbandwidthproduct" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>gainbandwidthproduct</span></a> <a href="https://schleuss.online/tags/afrotechmods" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>afrotechmods</span></a> <a href="https://schleuss.online/tags/slewrate" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>slewrate</span></a> <a href="https://schleuss.online/tags/parts" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>parts</span></a> <a href="https://schleuss.online/tags/lm741" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>lm741</span></a> <a href="https://schleuss.online/tags/opamp" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>opamp</span></a></p>
Dave<p>Nice looking Oshpark boards. I still miss the stickers 😕 <a href="https://mastodon.social/tags/oshpark" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>oshpark</span></a> <a href="https://mastodon.social/tags/opamp" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>opamp</span></a> <a href="https://mastodon.social/tags/electronic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>electronic</span></a> <a href="https://mastodon.social/tags/filter" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>filter</span></a> <a href="https://mastodon.social/tags/Schematic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Schematic</span></a> <a href="https://mastodon.social/tags/PCB" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PCB</span></a></p>
Dave<p>I put the Kicad Schematic &amp; Layout in Github <br><a href="https://github.com/daveb377/Active-Filter" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">github.com/daveb377/Active-Fil</span><span class="invisible">ter</span></a></p><p><a href="https://mastodon.social/tags/opamp" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>opamp</span></a> <a href="https://mastodon.social/tags/electronic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>electronic</span></a> <a href="https://mastodon.social/tags/filter" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>filter</span></a> <a href="https://mastodon.social/tags/Schematic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Schematic</span></a> <a href="https://mastodon.social/tags/PCB" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PCB</span></a></p>
Dave<p>Since I've never needed to build any low frequency active filters, I'm going to spin a proto board to see how they work. Set up for a dual op-amp footprint, and a Sallen Key on one side, and a multiple feedback on the other.<br><a href="https://mastodon.social/tags/electronic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>electronic</span></a> <a href="https://mastodon.social/tags/opamp" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>opamp</span></a> <a href="https://mastodon.social/tags/filter" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>filter</span></a> <a href="https://mastodon.social/tags/Schematic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Schematic</span></a> <a href="https://mastodon.social/tags/PCB" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PCB</span></a></p>
IT News<p>Op-Amp Challenge: Interactive Analog LED Wave Array - A while back, [Chris Lu] was studying how analog circuits, specifically op-amps ca... - <a href="https://hackaday.com/2023/05/12/op-amp-challenge-interactive-analog-led-wave-array/" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://</span><span class="ellipsis">hackaday.com/2023/05/12/op-amp</span><span class="invisible">-challenge-interactive-analog-led-wave-array/</span></a> <a href="https://schleuss.online/tags/differentialequation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>differentialequation</span></a> <a href="https://schleuss.online/tags/analogcomputing" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>analogcomputing</span></a> <a href="https://schleuss.online/tags/computerhacks" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>computerhacks</span></a> <a href="https://schleuss.online/tags/waveequation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>waveequation</span></a> <a href="https://schleuss.online/tags/integrator" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>integrator</span></a> <a href="https://schleuss.online/tags/photodiode" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>photodiode</span></a> <a href="https://schleuss.online/tags/infrared" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>infrared</span></a> <a href="https://schleuss.online/tags/opamp" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>opamp</span></a> <a href="https://schleuss.online/tags/art" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>art</span></a></p>
IT News<p>Op Amp Contest: Magnetic Core Memory The Dr Cockroach Way - No matter how memory technology marches on, magnetic core memory is still cool. Ra... - <a href="https://hackaday.com/2023/05/10/op-amp-contest-magnetic-core-memory-the-dr-cockroach-way/" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://</span><span class="ellipsis">hackaday.com/2023/05/10/op-amp</span><span class="invisible">-contest-magnetic-core-memory-the-dr-cockroach-way/</span></a> <a href="https://schleuss.online/tags/differentialamplifier" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>differentialamplifier</span></a> <a href="https://schleuss.online/tags/computerhacks" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>computerhacks</span></a> <a href="https://schleuss.online/tags/magneticcore" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>magneticcore</span></a> <a href="https://schleuss.online/tags/opamp" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>opamp</span></a> <a href="https://schleuss.online/tags/ram" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ram</span></a></p>
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