<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/EF7SxgcDfCo" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        The best animation to explain crosstalk I have ever seen! Thank you Eric.
    </div>
    <div class="blog-content-chapters">
        <div>
            Chapters:
        </div>
        <ul class="chapters-list">
            <li class="chapters-list-item">
                <span class="chapters-time">00:01</span><span class="chapters-text">Have You Ever Had Problems with Crosstalk</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">04:58</span><span class="chapters-text">How Do You Get Crosstalk through Electric Fields</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">05:17</span><span class="chapters-text">How Do You Get Current through a Capacitor</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">06:52</span><span class="chapters-text">Changing Electric Field</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">07:31</span><span class="chapters-text">Displacement Current</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">10:33</span><span class="chapters-text">Reference Plane</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">11:38</span><span class="chapters-text">What About Two Layer Pcb</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">14:42</span><span class="chapters-text">Electrically Long Interconnect</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">19:18</span><span class="chapters-text">Flash Animation</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">19:48</span><span class="chapters-text">Capacity Coupled Current</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">22:43</span><span class="chapters-text">The Coupling Region</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">26:19</span><span class="chapters-text">Inductive Coupling</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">27:46</span><span class="chapters-text">The Direction of the Induced Current Loop</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">30:32</span><span class="chapters-text">Inductively Coupled Current</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">46:34</span><span class="chapters-text">Ratio the Foreign Crosstalk Coefficient</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/eric-bogatin-368860/">Eric Bogatin</a></li>
        </ul>
    </div>   
</div>


What Every PCB Designer Should Know – Crosstalk Explained (with Eric Bogatin)

<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/ukfsupePkOM" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        Do you know why PCB Manufacturer may use tin to protect tracks and VIAs when your PCB is manufactured? Do you know how exactly PCB VIA plating is done?
    </div>
    <div class="blog-content-chapters">
        <div>
            Chapters:
        </div>
        <ul class="chapters-list">
            <li class="chapters-list-item">
                <span class="chapters-time">00:03</span><span class="chapters-text">Intro</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">02:36</span><span class="chapters-text">How a Pcb Is Manufactured</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">04:25</span><span class="chapters-text">Remove the Drill Smear</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">06:00</span><span class="chapters-text">Electro Plating</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">06:46</span><span class="chapters-text">Electro Less Plating</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">07:01</span><span class="chapters-text">Electroless Plating</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">08:04</span><span class="chapters-text">How Do You Get Copper To Stick to Fiberglass</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">09:31</span><span class="chapters-text">Micro Etch</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">12:14</span><span class="chapters-text">Silver Has a Higher Redox Potential than Tin</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">15:43</span><span class="chapters-text">Accelerator Bath</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">19:14</span><span class="chapters-text">Board after Electroless Plating</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">20:27</span><span class="chapters-text">Electron Lighting and Electroplating</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">23:43</span><span class="chapters-text">Electroplating</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">28:40</span><span class="chapters-text">Protect the Copper inside the via Barrels during Etching</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">29:57</span><span class="chapters-text">Copper Plating</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">30:41</span><span class="chapters-text">Electroplating Tin</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">33:18</span><span class="chapters-text">Bad Plating</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">36:29</span><span class="chapters-text">Chemicals That Are Added to the Electroless Bath</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">42:33</span><span class="chapters-text">The Electroplating</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">46:35</span><span class="chapters-text">Bare Bones Pcbs</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">59:46</span><span class="chapters-text">Electroplated Gold</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">1:03:20</span><span class="chapters-text">Microvias Edge Plating and Castellated Holes</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">1:09:24</span><span class="chapters-text">Edge Plating</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">1:15:24</span><span class="chapters-text">Can You Do Plating at Home</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">1:16:54</span><span class="chapters-text">Equipment</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.kaileyshara.com/">Kailey Shara</a></li>
            <li class="links-list-item"><a href="https://www.linkedin.com/in/kaileyshara/">Kailey Shara LinkedIn</a></li>
            <li class="links-list-item"><a href="https://www.4pcb.com/media/presentation-how-to-build-pcb.pdf">Advanced Circuits PDF</a></li>
            <li class="links-list-item"><a href="https://www.youtube.com/watch?v=sIV0icM_Ujo&ab_channel=Eurocircuits">Eurocircuits - how to make a 4-layer PCB (full version)</a></li>
        </ul>
    </div>   
</div>


How Does Copper Get Inside of a VIA Hole in Your PCB – Do you know this? (with Kailey Shara)

<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/eFByKdIhlL4" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        What is the most important thing for you when selecting chips for your boards?
    </div>
</div>


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What to consider when selecting chips for your new board (MCU, CPU, Ethernet, Audio, …)

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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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