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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>
Bornach<p>Bizarre April Fools prank involved hiding Afrotechmods Youtube password for 7 years</p><p><a href="https://youtu.be/e67WiJ6IPlQ" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">youtu.be/e67WiJ6IPlQ</span><span class="invisible"></span></a><br>Seriously don't use <a href="https://fosstodon.org/tags/LM741" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>LM741</span></a> op amps in your circuits</p><p><a href="https://fosstodon.org/tags/opamp" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>opamp</span></a> <a href="https://fosstodon.org/tags/ua741" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ua741</span></a> <a href="https://fosstodon.org/tags/electronics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>electronics</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>
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