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    <p>That is a pretty groovy cube!  I am trying to keep this one
      linear though. Should have mentioned. My bad.</p>
    <p>--tr</p>
    <p><br>
    </p>
    <div class="moz-cite-prefix">On 4/15/2019 6:16 PM, ulfur hansson
      wrote:<br>
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    <blockquote type="cite"
cite="mid:CAG9O7x14_+xhm=3bKcuHbV8UKCTFMkvDMOdhoB44rU+roYW3Ww@mail.gmail.com">
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      <div dir="ltr">I've been using this CUI DC-DC converter for recent
        projects. no additional caps or circuitry needed, plus it has
        overcurrent/reverse polarity protection.
        <div><br>
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        <div><a
href="https://eu.mouser.com/ProductDetail/CUI/PDQ30-Q24-D15-D?qs=ZGJ6LVh7YLAL%2FeHNTwkTGg%3D%3D"
            moz-do-not-send="true">https://eu.mouser.com/ProductDetail/CUI/PDQ30-Q24-D15-D?qs=ZGJ6LVh7YLAL%2FeHNTwkTGg%3D%3D</a><br>
        </div>
        <div><br>
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        <div>it is super sleek!</div>
        <div>-ulfur</div>
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      <div class="gmail_quote">
        <div dir="ltr" class="gmail_attr">mán., 15. apr. 2019 kl. 21:09
          skrifaði Tim Ressel <<a href="mailto:timr@circuitabbey.com"
            moz-do-not-send="true">timr@circuitabbey.com</a>>:<br>
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        <blockquote class="gmail_quote" style="margin:0px 0px 0px
          0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Yo,<br>
          <br>
          I am putting together a power supply for my new 5U case. At
          first I just <br>
          have 7815 and 7915 regulators. But then it occurred to me:
          would it not <br>
          be indeed nice to have both rails fold back if one over
          currents? to <br>
          answer my own question, why yes, yes it would.<br>
          <br>
          So now to make it work. I thought of using LM317 and LM337s
          and do a <br>
          cross-over thing. Use an op-amp to servo off of a virtual
          ground set up <br>
          with a voltage divider. I am not sure if that will do what I
          want. I <br>
          guess I can try it with the 'L' versions; easier to put into
          foldback.<br>
          <br>
          I also thought of using LM723s but that gets complicated in a
          hurry. <br>
          More than I want.<br>
          <br>
          Thoughts?<br>
          <br>
          --Tim (musing aloud) Ressel<br>
          <br>
          -- <br>
          --Tim Ressel<br>
          Circuit Abbey<br>
          <a href="mailto:timr@circuitabbey.com" target="_blank"
            moz-do-not-send="true">timr@circuitabbey.com</a><br>
          <br>
          _______________________________________________<br>
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            moz-do-not-send="true">Synth-diy@synth-diy.org</a><br>
          <a href="http://synth-diy.org/mailman/listinfo/synth-diy"
            rel="noreferrer" target="_blank" moz-do-not-send="true">http://synth-diy.org/mailman/listinfo/synth-diy</a><br>
        </blockquote>
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    </blockquote>
    <pre class="moz-signature" cols="72">-- 
--Tim Ressel
Circuit Abbey
<a class="moz-txt-link-abbreviated" href="mailto:timr@circuitabbey.com">timr@circuitabbey.com</a></pre>
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