<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="blog-content">
        Here are some  screenshots from testing of Satellite Vault.<br><br>

        I created a component lifecycle: <i>New, Checked, Used</i>:
            <ol class="content-list">
                <li class="content-list-item"><span class="content-text">When I create a component, it is marked as <i>New</i></span></li>
                <li class="content-list-item"><span class="content-text">After I finish schematic I go through checking procedure which includes component checking. I compare pin names/numbers/footprint with datasheet. Once I am sure the component is correct I mark it as <i>Checked</i>.</span></li>
                <li class="content-list-item"><span class="content-text">When a board is build and I am sure the component is 100% correct, I mark it as <i>Used</i>.</span></li>
            </ol><br>

        When I double click on a component in library, I can immediately see what is status of the component. This way I know which components I have to check, also useful when more people are using one common library. I will continue testing this feature to see the real usability.
    </div>

    <div class="blog-content-img-wrapper">
        <img src="https://assets.fedevel.com/blog/2019/10/65c84-component-versioning-01.jpg" alt="component versioning 01" />
        <img src="https://assets.fedevel.com/blog/2019/10/cc8da-component-versioning-02.jpg" alt="component versioning 02" />
    </div>
</div>

Altium Designer – Testing Satellite Vault (Screenshots)

<div class="entry-content">
   
    <div class="blog-content">
        This is my Hardware Design directory template which I found most useful.<br><br>

        <b>Here is how the Directory Tree looks</b>
    </div>

    <div class="blog-content-img-wrapper">
        <img src="https://assets.fedevel.com/blog/2019/10/93223-hardware-design-directory-template-tree.jpg" alt="Hardware Design Directory Template Tree" />
    </div>

    <div class="blog-content-text">
        <b>Each directory contains read_me.txt file with short description e.g:</b><br><br>

        <i>Place following files here:
            <ul class="content-list">
                <li class="content-list-item"><span class="content-text">Pick and Place</span></li>
                <li class="content-list-item"><span class="content-text">Bill of Materials (grouped by component type)</span></li>
                <li class="content-list-item"><span class="content-text">Component reference BOM (each component on one line)</span></li>
                <li class="content-list-item"><span class="content-text">TOP and BOTTOM VIEW (shows board outline with TOP + BOTTOM layer)</span></li>
                <li class="content-list-item"><span class="content-text">Mechanical Drawing (Board dimensions, holes position, ..)</span></li>
                <li class="content-list-item"><span class="content-text">TOP and BOTTOM Assembly Drawing (Component position with Reference Designator)</span></li>
            </ul>
        </i><br>

        <b><span style="color:#ff0000;">UPDATED! </span></b> Download latest version from 11-JAN-2013 <a href="https://assets.fedevel.com/blog/downloads/FEDEVEL-Directory-Template-11-JAN-2013.zip" >here</a>.
    </div>

    <div class="blog-content-text">
        <i>Previous (older) versions:<br>
            <ul class="content-list">
                <li class="content-list-item"><span class="content-text">28-NOV-2012 The Directory Template can be downloaded <a href="https://assets.fedevel.com/blog/downloads/FEDEVEL-Directory-Template-28-NOV-2012.zip" >here</a>.</span></li>
                <li class="content-list-item"><span class="content-text">07-MAR-2012 The Directory Template can be downloaded <a href="https://assets.fedevel.com/blog/downloads/FEDEVEL-Directory-Templates.zip" >here</a>.</span></li>
            </ul>
        </i>
    </div>


    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="https://assets.fedevel.com/blog/downloads/FEDEVEL-Directory-Template-11-JAN-2013.zip" >FEDEVEL Directory Template 11-JAN-2013.zip</a></li>
            <li class="links-list-item"><a href="https://assets.fedevel.com/blog/downloads/FEDEVEL-Directory-Template-28-NOV-2012.zip" >FEDEVEL Directory Template 28-NOV-2012.zip</a></li>
            <li class="links-list-item"><a href="https://assets.fedevel.com/blog/downloads/FEDEVEL-Directory-Templates.zip" >FEDEVEL Directory Templates.zip</a></li>
        </ul>
    </div>  
</div>

Hardware Design – Directory Template Tree

<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/SdWj9YlZTwU" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        I read everywhere about Altium Vault, but I had no idea what is it all about. I decided to test it and make a short video about it. Here it is …
    </div> 
</div>


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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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