<div class="entry-content"><div class="jetpack-video-wrapper"><span class="embed-youtube" style="text-align:center; display: block;"><iframe src="https://www.youtube.com/embed/YzBtfN1LQtM" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span></div><div class="blog-content"> I challenged a software engineer to design his very first PCB. What happened?</div><div class="blog-content-chapters"><div>Chapters:</div><ul class="chapters-list"><li class="chapters-list-item"><span class="chapters-time">00:00</span><span class="chapters-text">The challenge</span></li><li class="chapters-list-item"><span class="chapters-time">01:01</span><span class="chapters-text">Schematic page</span></li><li class="chapters-list-item"><span class="chapters-time">03:46</span><span class="chapters-text">STM32</span></li><li class="chapters-list-item"><span class="chapters-time">10:18</span><span class="chapters-text">Power</span></li><li class="chapters-list-item"><span class="chapters-time">21:50</span><span class="chapters-text">Power LED</span></li><li class="chapters-list-item"><span class="chapters-time">23:29</span><span class="chapters-text">Boot and Reset</span></li><li class="chapters-list-item"><span class="chapters-time">27:47</span><span class="chapters-text">Crystal</span></li><li class="chapters-list-item"><span class="chapters-time">30:58</span><span class="chapters-text">USB</span></li><li class="chapters-list-item"><span class="chapters-time">33:59</span><span class="chapters-text">Arduino headers and User LED</span></li><li class="chapters-list-item"><span class="chapters-time">36:49</span><span class="chapters-text">SWI and UART connectors</span></li></div><div class="blog-content-links"><div>Links:</div><ul class="links-list"><li class="links-list-item"><a href="https://fedevel.com/courses">FEDEVEL Online courses</a></li></ul></div></div>

Is this really how beginners design boards??? | Schematic Review

<div class="entry-content">
    <div class="jetpack-video-wrapper"><span class="embed-youtube" style="text-align:center; display: block;"><iframe src="https://www.youtube.com/embed/sKOUOU-hVEs" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
This video will help you to understand eye diagrams. Thank you very much Tim Wang Lee
    </div>

    <div class="blog-content-chapters">
        <div>
            Chapters:
        </div>
        <ul class="chapters-list">
            <li class="chapters-list-item"><span class="chapters-time">00:00</span><span class="chapters-text">What is this video about</span></li>
            <li class="chapters-list-item"><span class="chapters-time">00:17</span><span class="chapters-text">How eye diagram is created and why it´s useful</span></li>
            <li class="chapters-list-item"><span class="chapters-time">07:35</span><span class="chapters-text">How reflections influence eye diagram shape</span></li>
            <li class="chapters-list-item"><span class="chapters-time">12:17</span><span class="chapters-text">Simulating reflections and checking eye diagram</span></li>
            <li class="chapters-list-item"><span class="chapters-time">20:19</span><span class="chapters-text">How crosstalk influences eye diagram shape</span></li>
            <li class="chapters-list-item"><span class="chapters-time">30:36</span><span class="chapters-text">Simulating crosstalk and checking eye diagram</span></li>
            <li class="chapters-list-item"><span class="chapters-time">35:09</span><span class="chapters-text">How loss influences eye diagram shape</span></li>
            <li class="chapters-list-item"><span class="chapters-time">41:13</span><span class="chapters-text">Simulating loss and checking eye diagram</span></li>
            <li class="chapters-list-item"><span class="chapters-time">50:32</span><span class="chapters-text">Equalization explained</span></li>
            <li class="chapters-list-item"><span class="chapters-time">57:53</span><span class="chapters-text">CTLE Equalization</span></li>
            <li class="chapters-list-item"><span class="chapters-time">58:49</span><span class="chapters-text">FFE Equalization</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:02:19</span><span class="chapters-text">DFE Equalization</span></li>
    </div>
    
    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="http://www.keysight.com/find/ads-si-workshop">Learn more about Signal Integrity with ADS</a></li>
            <li class="links-list-item"><a href="https://www.keysight.com/us/en/products/software/pathwave-design-software.html">Get a head start with Electronic Design Automation</a></li>
            <li class="links-list-item"><a href="https://www.linkedin.com/in/timwanglee/">Connect with Tim</a></li>
            <li class="links-list-item"><a href="https://fedevel.com/courses">FEDEVEL Online courses</a></li>
        </ul>
    </div>  
</div>

What does an eye diagram show? Here is how you recognize problems - reflections, crosstalk and loss

<div class="entry-content">
    <div class="jetpack-video-wrapper"><span class="embed-youtube" style="text-align:center; display: block;"><iframe src="https://www.youtube.com/embed/Rr9NBtrA4t4" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        Watch how differential pair signals are travelling through a PCB. Thank you very much Yuriy Shlepnev 
    </div>

    <div class="blog-content-chapters">
        <div>
            Chapters:
        </div>
        <ul class="chapters-list">
            <li class="chapters-list-item"><span class="chapters-time">00:00</span><span class="chapters-text">What is this video about</span></li>
            <li class="chapters-list-item"><span class="chapters-time">00:33</span><span class="chapters-text">Differential pairs routed on top / bottom, THIN PCB, 1W</span></li>
            <li class="chapters-list-item"><span class="chapters-time">12:56</span><span class="chapters-text">3W, Top / Bottom</span></li>
            <li class="chapters-list-item"><span class="chapters-time">17:17</span><span class="chapters-text">THICK PCB, Top / Bottom</span></li>
            <li class="chapters-list-item"><span class="chapters-time">23:49</span><span class="chapters-text">No GND plane</span></li>
            <li class="chapters-list-item"><span class="chapters-time">30:01</span><span class="chapters-text">Differential pairs inside of PCB</span></li>
            <li class="chapters-list-item"><span class="chapters-time">45:30</span><span class="chapters-text">3D animation, top/bottom, 1W</span></li>
            <li class="chapters-list-item"><span class="chapters-time">48:51</span><span class="chapters-text">3D animation, top/bottom, 3W</span></li>
            <li class="chapters-list-item"><span class="chapters-time">57:12</span><span class="chapters-text">3D animation, inside of PCB, 1W</span></li>
            <li class="chapters-list-item"><span class="chapters-time">58:40</span><span class="chapters-text">3D animation, inside of PCB, 3W</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:06:21</span><span class="chapters-text">Crosstalk examples</span></li>
    </div>
    
    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="https://www.linkedin.com/in/yuriy-shlepnev-7b39136/">Yuriy's LinkedIn</a></li>
            <li class="links-list-item"><a href="https://www.simberian.com/">Yuriy's company</a></li>
            <li class="links-list-item"><a href="https://fedevel.com/courses">FEDEVEL Online courses</a></li>
        </ul>
    </div>  
</div>

Watch Differential Pair Fields and Currents in PCB

<div class="entry-content">
    <div class="jetpack-video-wrapper"><span class="embed-youtube" style="text-align:center; display: block;"><iframe src="https://www.youtube.com/embed/q6fhmTL-Sgo" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        Going through a simple USB compliance test to explain how a USB interface validation and verification can be done. It’s easy.
    </div>
    <div class="blog-content-chapters">
        <div>
            Chapters:
        </div>
        <ul class="chapters-list">
            <li class="chapters-list-item">
                <span class="chapters-time">00:00</span><span class="chapters-text">What is this video about</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">00:22</span><span class="chapters-text">Setting up a USB compliance test</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">13:42</span><span class="chapters-text">The first test ( HS US Signal Quality )</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">21:44</span><span class="chapters-text">The second test ( HS US Packet Param )</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">27:57</span><span class="chapters-text">The third test ( HS US Chirp Timing )</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">34:05</span><span class="chapters-text">Going through the test report</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">46:42</span><span class="chapters-text">About compliance tests for Ethernet, HDMI, DDR memories </span>
            </li>
        </ul>
    </div> 
    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="https://www.linkedin.com/in/gregor-hofferbert-6a4257192/">Gregor´s LinkedIn</a></li>
            <li class="links-list-item"><a href="https://teledynelecroy.com/wr9000/">We used this oscilloscope: WR9404M-MS</a></li>
        </ul>
    </div>   
</div>


Is the USB you designed perfect? This is how you test it … | Gregor Hofferbert

<div class="entry-content">
    <div class="jetpack-video-wrapper"><span class="embed-youtube" style="text-align:center; display: block;"><iframe src="https://www.youtube.com/embed/QAOEtfvCaMw" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        What a PCB is made of (build-up), determining a suitable build-up, and manufacturer/manufacturing considerations. Second part of video discusses how to choose a suitable stack-up for your PCB design (i.e. what sequence of layers you should assign (GND/PWR/SIG)) for signal integrity, EMI, etc.
    </div>
    <div class="blog-content-chapters">
        <div>
            Chapters:
        </div>
        <ul class="chapters-list">
            <li class="chapters-list-item"><span class="chapters-time">00:00</span><span class="chapters-text">Introduction</span></li>
            <li class="chapters-list-item"><span class="chapters-time">00:27</span><span class="chapters-text">Build-Up Basics</span></li>
            <li class="chapters-list-item"><span class="chapters-time">01:58</span><span class="chapters-text">Layer Count</span></li>
            <li class="chapters-list-item"><span class="chapters-time">02:50</span><span class="chapters-text">Prepreg</span></li>
            <li class="chapters-list-item"><span class="chapters-time">03:40</span><span class="chapters-text">Core</span></li>
            <li class="chapters-list-item"><span class="chapters-time">04:18</span><span class="chapters-text">Copper Foil</span></li>
            <li class="chapters-list-item"><span class="chapters-time">05:21</span><span class="chapters-text">Manufacturability</span></li>
            <li class="chapters-list-item"><span class="chapters-time">06:36</span><span class="chapters-text">Example Manufacturer Build-Up</span></li>
            <li class="chapters-list-item"><span class="chapters-time">07:23</span><span class="chapters-text">Example Controlled Impedance Suggestion</span></li>
            <li class="chapters-list-item"><span class="chapters-time">07:49</span><span class="chapters-text">Altium Designer Layer Stack Manager & Impedance Set-Up</span></li>
            <li class="chapters-list-item"><span class="chapters-time">09:13</span><span class="chapters-text">PCB Manufacturer Build-Up Section</span></li>
            <li class="chapters-list-item"><span class="chapters-time">09:56</span><span class="chapters-text">Stack-Up Basics</span></li>
            <li class="chapters-list-item"><span class="chapters-time">10:57</span><span class="chapters-text">Layer Types</span></li>
            <li class="chapters-list-item"><span class="chapters-time">12:09</span><span class="chapters-text">"Golden Rules" for Determining Stack-Up</span></li>
            <li class="chapters-list-item"><span class="chapters-time">13:18</span><span class="chapters-text">Goal: Prevent Fields from Spreading</span></li>
            <li class="chapters-list-item"><span class="chapters-time">13:58</span><span class="chapters-text">Adjacent PWR + GND Layers</span></li>
            <li class="chapters-list-item"><span class="chapters-time">14:34</span><span class="chapters-text">Improving a 4-Layer Stack-Up</span></li>
            <li class="chapters-list-item"><span class="chapters-time">17:05</span><span class="chapters-text">Return/Transfer Vias</span></li>
            <li class="chapters-list-item"><span class="chapters-time">17:49</span><span class="chapters-text">Additional Stack-Up Tips</span></li>
            <li class="chapters-list-item"><span class="chapters-time">18:55</span><span class="chapters-text">Good Multi-Layer Stack-Ups</span></li>
            <li class="chapters-list-item"><span class="chapters-time">19:51</span><span class="chapters-text">Rick Hartley Video</span></li>
        </ul>
    </div>
    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="https://www.youtube.com/watch?v=ySuUZEjARPY&ab_channel=Altium">[LIVE] How to Achieve Proper Grounding - Rick Hartley - Expert Live Training (US)</a></li>

            <li class="links-list-item"><a href="https://fedevel.com/courses/mixed-signal-hardware-design-with-kicad">Mixed-signal Hardware Design course</a></li>
            <li class="links-list-item"><a href="https://fedevel.com/courses">FEDEVEL courses</a></li>
        </ul>
    </div>  
</div>

PCB Stack-Up and Build-Up - Phil's Lab #56

<div class="entry-content">
    <div class="jetpack-video-wrapper"><span class="embed-youtube" style="text-align:center; display: block;"><iframe src="https://www.youtube.com/embed/F9tB6JtG7oQ" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        Shall we connect the shield of a cable to signal GND or Earth GND? Answered by Rick Hartley
    </div>
    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="https://youtu.be/vALt6Sd9vlY">Watch the full interview here</a></li>
            <li class="links-list-item"><a href="https://youtu.be/Tt8X6_maj6c">PCB Layout & Decoupling - Understanding Impedance</a></li>
        </ul>
    </div>   
</div>


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Where To Connect The Shield of a Cable? Explained | Rick Hartley | #Highlights

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Is this really how beginners design boards??? | Schematic Review

What does an eye diagram show? Here is how you recognize problems - reflections, crosstalk and loss

Watch Differential Pair Fields and Currents in PCB

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