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An Improved Inductance and Stray Capacitance Analytical Calculation Method For Multilayer Planar Spiral Inductors

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} </script> <script src="//translate.google.com/translate_a/element.js?cb=googleTranslateElementInit"></script> </ul> </div> </nav> <div class="container-fluid bg-grey"> <div class="container pt-3 pb-4"> <div class="white-container mt-4"> <h2 class="bg-hdr">An Improved Inductance and Stray Capacitance Analytical Calculation Method For Multilayer Planar Spiral Inductors</h2> <p><span lang="EN-US">Planar indcutors has been widely used in DC/DC convertor to achieve compact structure and improve power density. In order to achieve high inductance and high-frequency working, a multi-layer planar spiral inductor based on Low Temperature Co-fired Ceramics (LTCC) technology was desigined in this paper. Meanwhile, an improved analytical calculation method was&nbsp; proposed to&nbsp; estimate the inductance and stray capacitance. The mutual inductance of different turns is abtained by simply solving traditional Neumann&rsquo;s formula, and self inductance of each turn is solved by Samimi&rsquo;s method. Moreover, the equivalent capacitance is estimated according to the capacitance distribution model building in this paper. Experiment tests by impedance analyzer and 3D fenite element analysis (FEA) were conduct on different layer planar indutors. The calculated inductance matrix verify that,&nbsp; both the analytical and FEA results are close with experiment test, and the proposed indctance calculating method show similar accuracy with FEA method but signicficantly reduced the calculating time. The relative error of stary capacitance estimating is near 5% in 3-layer inductor, wherease, the calculation error increase with winding layer increasing because the energy stored in the non-adjacent layers are ignored in the capacitance distribution model.</span></p> <div class="border-top py-2"><b>Posted by: </b>Xin Liu, engineer, Institute of Electronic Engineering, China Academy of Engineering Physics, China (<span class="f-sm">20-Jan-2020</span>)</div> </div> </div> </div> <div class="container_fluid"> <div class="bg-footer"> <div class="container py-4"> <div class="d-flex justify-content-center pt-4"> <div class="text-center f-sm"> <a href="/" title="Home page" class="text-grey me-2">Home</a><span class="me-1">|</span> <a href="/international-conferences/" title="Conferences" class="text-grey me-1">Conferences</a><span class="me-1">|</span> <a href="/international-exhibitions/" title="International Exhibition" class="text-grey me-2">Exhibitions</a><span class="me-1">|</span> <a href="/event-organizers/" title="Event Organizers" class="text-grey me-2">Organizers</a><span class="me-1">|</span> <a href="/international-venues/" title="International Venues" class="text-grey me-2">Venues</a><span class="me-1">|</span> <a rel="nofollow" href="/add-conference/" title="Add a Conference" class="text-grey me-2">Add Conference</a><span class="me-1">|</span> <a rel="nofollow" href="/subscribe/" title="Subscribe" class="text-grey me-2">Subscribe</a><span class="me-1">|</span> <a rel="nofollow" href="javascript:void(0);" onclick="$('#contact_hidden_form').submit();void(0);" title="Contact Conference Locate (Clocate)" class="text-grey me-1">Contact</a><span class="me-1">|</span> <a href="https://www.venuedir.com/" title="Venues Directory" target="_blank" class="text-grey">Venues Directory</a> <form style="display: none;" action="/contact/" method="POST" id="contact_hidden_form"> <input type="hidden" id="contact_prev_url" name="contact_prev_url" value="/article/An-Improved-Inductance-and-Stray-Capacitance-Analytical-Calculation-Method-For-Multilayer-Planar-Spiral-Inductors/642/"> </form> </div> </div> <div class="row justify-content-center pt-3"> <div class="col-lg-3 col-md-4"> <div class="justify-content-center text-center"> <div class="fw-bold text-a0a0a0 mt-1">Share</div> <div class="sharethis-inline-share-buttons"></div> </div> </div> <div class="col-lg-3 col-md-4"> <div class="justify-content-center text-center"> <div class="fw-bold text-a0a0a0 mt-1">Follow</div> <div class="follow-position"> <a href="https://www.facebook.com/Clocate" target="_blank" class="btn follow-icon me-1" data-bs-toggle="tooltip" data-bs-placement="top" title="Follow us on Facebook" data-bs-original-title="Follow us on Facebook"> <span class="fa-stack fa-lg text-dark-blue"> <i class="fa-solid fa-circle fa-stack-2x"></i> <i class="fa-brands fa-facebook-f fa-stack-1x text-light"></i> </span> </a> <a href="https://twitter.com/clocate" target="_blank" class="btn follow-icon me-1" data-bs-toggle="tooltip" data-bs-placement="top" title="Follow us on Twitter" data-bs-original-title="Follow us on Twitter"> <span class="fa-stack fa-lg text-dark"> <i class="fa-solid fa-circle fa-stack-2x"></i> <i class="fa-brands fa-x-twitter fa-stack-1x text-light"></i> </span> </a> <a href="https://www.linkedin.com/company/clocate/" target="_blank" class="btn follow-icon me-1" data-bs-toggle="tooltip" data-bs-placement="top" title="Follow us on LinkedIn" data-bs-original-title="Follow us on LinkedIn"> <span class="fa-stack fa-lg text-light-blue"> <i class="fa-solid fa-circle fa-stack-2x"></i> <i class="fa-brands fa-linkedin-in fa-stack-1x text-light"></i> </span> </a> <a href="#" onclick="CreateYoutubeDialog('youtube_commercial');return false;" class="btn follow-icon" data-bs-toggle="tooltip" data-bs-placement="top" title="Watch our video on YouTube" data-bs-original-title="Watch our video on YouTube"> <span class="fa-stack fa-lg text-danger"> <i class="fa-solid fa-circle fa-stack-2x"></i> <i class="fa-brands fa-youtube fa-stack-1x text-light"></i> </span> </a> </div> </div> </div> </div> <div class="d-flex justify-content-center pt-4"> <div class="text-center f-sm"> <a rel="nofollow" href="/terms_conditions/" title="Conference Locate (Clocate) terms and conditions" class="text-grey me-3">Terms and Conditions</a> <a rel="nofollow" href="/privacy_policy/" title="Privacy Policy" class="text-grey me-3">Privacy Policy</a> <a rel="nofollow" href="javascript:ajax_modal('cookies','','')" title="Cookies Policy" class="text-grey me-3">Cookies Policy</a> </div> </div> <div class="d-flex justify-content-center pt-4"> <div class="text-center f-sm text-grey"> &copy; 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