<div dir="auto">I’m a couple years older but otherwise same… seemed so daunting, but after the first build I I wished I’d jumped in sooner</div><div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Fri, May 8, 2026 at 7:26 PM Thomas Hudson via Synth-diy <<a href="mailto:synth-diy@synth-diy.org">synth-diy@synth-diy.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="line-break:after-white-space">I’m 67 with bad eyesight and not so steady hands, but I guess it’s time for me to learn how to do SMD. Any advice for how to get started?<br id="m_7117642678440296733lineBreakAtBeginningOfMessage"><div><br><blockquote type="cite"><div>On May 8, 2026, at 7:11 PM, Mike Bryant <<a href="mailto:mbryant@futurehorizons.com" target="_blank">mbryant@futurehorizons.com</a>> wrote:</div><br><div><div style="font-style:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration-line:none;text-decoration-style:solid;font-family:Aptos,Aptos_EmbeddedFont,Aptos_MSFontService,Calibri,Helvetica,sans-serif;font-size:12pt">But you'll need a SMD to DIP adapter.  None of the modern opamps are available in DIP</div><div style="font-style:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration-line:none;text-decoration-style:solid;font-family:Aptos,Aptos_EmbeddedFont,Aptos_MSFontService,Calibri,Helvetica,sans-serif;font-size:12pt"><br></div><div id="m_7117642678440296733appendonsend" style="font-family:Helvetica;font-size:17px;font-style:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration-line:none;text-decoration-style:solid"></div><hr style="font-family:Helvetica;font-size:17px;font-style:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration-line:none;text-decoration-style:solid;display:inline-block;width:879.046875px"><span style="font-family:Helvetica;font-size:17px;font-style:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;float:none;display:inline!important"></span><div id="m_7117642678440296733divRplyFwdMsg" dir="ltr" style="font-family:Helvetica;font-size:17px;font-style:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration-line:none;text-decoration-style:solid"><font face="Calibri, sans-serif" style="font-size:11pt"><b>From:</b><span> </span>Synth-diy <<a href="mailto:synth-diy-bounces@synth-diy.org" target="_blank">synth-diy-bounces@synth-diy.org</a>> on behalf of Mike Bryant <<a href="mailto:mbryant@futurehorizons.com" target="_blank">mbryant@futurehorizons.com</a>><br><b>Sent:</b><span> </span>09 May 2026 00:08<br><b>To:</b><span> </span>Thomas Hudson <<a href="mailto:thomas.hudson7@icloud.com" target="_blank">thomas.hudson7@icloud.com</a>><br><b>Cc:</b><span> </span>Synth DIY <<a href="mailto:synth-diy@synth-diy.org" target="_blank">synth-diy@synth-diy.org</a>><br><b>Subject:</b><span> </span>Re: [sdiy] Burr Brown OPA2134PA DIP</font><div> </div></div><div dir="ltr" style="font-family:Helvetica;font-size:17px;font-style:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration-line:none;text-decoration-style:solid"><div style="font-family:Aptos,Aptos_EmbeddedFont,Aptos_MSFontService,Calibri,Helvetica,sans-serif;font-size:12pt">OPA1678 should drop in and better in almost every application.</div><div id="m_7117642678440296733x_appendonsend"></div><hr style="display:inline-block;width:879.046875px"><div id="m_7117642678440296733x_divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt"><b>From:</b><span> </span>Thomas Hudson <<a href="mailto:thomas.hudson7@icloud.com" target="_blank">thomas.hudson7@icloud.com</a>><br><b>Sent:</b><span> </span>09 May 2026 00:01<br><b>To:</b><span> </span>Mike Bryant <<a href="mailto:mbryant@futurehorizons.com" target="_blank">mbryant@futurehorizons.com</a>><br><b>Cc:</b><span> </span>Synth DIY <<a href="mailto:synth-diy@synth-diy.org" target="_blank">synth-diy@synth-diy.org</a>><br><b>Subject:</b><span> </span>Re: [sdiy] Burr Brown OPA2134PA DIP</font><div> </div></div><div style="line-break:after-white-space">Are  there drop-in replacements?<br id="m_7117642678440296733x_x_lineBreakAtBeginningOfMessage"><div><br><blockquote type="cite"><div>On May 8, 2026, at 7:00 PM, Mike Bryant <<a href="mailto:mbryant@futurehorizons.com" target="_blank">mbryant@futurehorizons.com</a>> wrote:</div><br><div><div style="font-style:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration-line:none;text-decoration-style:solid;font-family:Aptos,Aptos_EmbeddedFont,Aptos_MSFontService,Calibri,Helvetica,sans-serif;font-size:12pt">LCSC is reliable source of the DIP version. </div><div style="font-style:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration-line:none;text-decoration-style:solid;font-family:Aptos,Aptos_EmbeddedFont,Aptos_MSFontService,Calibri,Helvetica,sans-serif;font-size:12pt">But do you REALLY need this op-amp ?  It's expensive for what it is with lots of alternatives nowadays.</div><div id="m_7117642678440296733x_x_appendonsend" style="font-family:Helvetica;font-size:17px;font-style:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration-line:none;text-decoration-style:solid"></div><hr style="font-family:Helvetica;font-size:17px;font-style:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration-line:none;text-decoration-style:solid;display:inline-block;width:1073.09375px"><span> </span><span style="font-family:Helvetica;font-size:17px;font-style:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;float:none;display:inline!important"></span><div id="m_7117642678440296733x_x_divRplyFwdMsg" dir="ltr" style="font-family:Helvetica;font-size:17px;font-style:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration-line:none;text-decoration-style:solid"><font face="Calibri, sans-serif" style="font-size:11pt"><b>From:</b><span> </span>Synth-diy <<a href="mailto:synth-diy-bounces@synth-diy.org" target="_blank">synth-diy-bounces@synth-diy.org</a>> on behalf of Thomas Hudson via Synth-diy <<a href="mailto:synth-diy@synth-diy.org" target="_blank">synth-diy@synth-diy.org</a>><br><b>Sent:</b><span> </span>08 May 2026 23:48<br><b>To:</b><span> </span>Synth DIY <<a href="mailto:synth-diy@synth-diy.org" target="_blank">synth-diy@synth-diy.org</a>><br><b>Subject:</b><span> </span>[sdiy] Burr Brown OPA2134PA DIP</font><div> </div></div><div style="font-family:Helvetica;font-size:17px;font-style:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration-line:none;text-decoration-style:solid"><font size="2"><span style="font-size:11pt"><div>Sorry if this is not on topic, but I need the DIP version of this chip, but apparently there are a lot of counterfeits floating around, even on Amazon. Does anyone have a reliable source for the DIP version of this opamp?<br><br>TIA<br><br><br>________________________________________________________<br>This is the Synth-diy mailing list<br>Submit email to:<span> </span><a href="mailto:Synth-diy@synth-diy.org" target="_blank">Synth-diy@synth-diy.org</a><br>View archive at:<span> </span><a href="https://synth-diy.org/pipermail/synth-diy/" target="_blank">https://synth-diy.org/pipermail/synth-diy/</a><br>Check your settings at:<span> </span><a href="https://synth-diy.org/mailman/listinfo/synth-diy" target="_blank">https://synth-diy.org/mailman/listinfo/synth-diy</a><br>Selling or trading? Use<span> </span><a href="mailto:marketplace@synth-diy.org" target="_blank">marketplace@synth-diy.org</a></div></span></font></div></div></blockquote></div></div></div></div></blockquote></div><br></div>________________________________________________________<br>
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