<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/Hj-HVve1QC4" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        Connecting a cable shield and measuring EMC / EMI. Explained by Karen Burnham
    </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">Cable shield setup</span></li>
            <li class="chapters-list-item"><span class="chapters-time">02:44</span><span class="chapters-text">Why showing this example</span></li>
            <li class="chapters-list-item"><span class="chapters-time">06:36</span><span class="chapters-text">Measurement - generator is OFF</span></li>
            <li class="chapters-list-item"><span class="chapters-time">08:48</span><span class="chapters-text">Measurement - generator is ON, shield not connected</span></li>
            <li class="chapters-list-item"><span class="chapters-time">11:18</span><span class="chapters-text">Measurement - shield connected on one side</span></li>
            <li class="chapters-list-item"><span class="chapters-time">12:34</span><span class="chapters-text">Shield connected on both sides</span></li>
            <li class="chapters-list-item"><span class="chapters-time">13:43</span><span class="chapters-text">Shield connected to ground</span></li>
            <li class="chapters-list-item"><span class="chapters-time">20:55</span><span class="chapters-text">Transfer impedance</span></li>
            <li class="chapters-list-item"><span class="chapters-time">27:11</span><span class="chapters-text">Skin depth</span></li>
            <li class="chapters-list-item"><span class="chapters-time">34:32</span><span class="chapters-text">Ground loops</span></li>
            <li class="chapters-list-item"><span class="chapters-time">38:40</span><span class="chapters-text">Ground wire inside of shielded cable</span></li>
            <li class="chapters-list-item"><span class="chapters-time">42:14</span><span class="chapters-text">Shielding and power</span></li>
            <li class="chapters-list-item"><span class="chapters-time">44:37</span><span class="chapters-text">Terminating through capacitors</span></li>
            <li class="chapters-list-item"><span class="chapters-time">50:10</span><span class="chapters-text">About Karen's company</span></li>
            <li class="chapters-list-item"><span class="chapters-time">52:06</span><span class="chapters-text">The common EMC/EMI problems and how to solve them</span></li>
    </div>
    
    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="https://www.emcunited.com/">Karen's company EMC United</a></li>
            <li class="links-list-item"><a href="https://fedevel.com/courses">FEDEVEL Online courses</a></li>
        </ul>
    </div>  
</div>

Do You Connect Cable Shield Correctly?

<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/VBmuJfcMeFk" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        This video will help you to start simulating your electronic circuits. Explained by Eric Bogatin
    </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">03:50</span><span class="chapters-text">Circuit simulator vs. Field solver</span></li>
            <li class="chapters-list-item"><span class="chapters-time">07:30</span><span class="chapters-text">Which simulator to learn</span></li>
            <li class="chapters-list-item"><span class="chapters-time">11:17</span><span class="chapters-text">Downloading Qucs</span></li>
            <li class="chapters-list-item"><span class="chapters-time">15:30</span><span class="chapters-text">Starting a new simulation</span></li>
            <li class="chapters-list-item"><span class="chapters-time">19:43</span><span class="chapters-text">Time domain simulation</span></li>
            <li class="chapters-list-item"><span class="chapters-time">26:19</span><span class="chapters-text">Simulating impedance</span></li>
            <li class="chapters-list-item"><span class="chapters-time">29:30</span><span class="chapters-text">Using parameters</span></li>
            <li class="chapters-list-item"><span class="chapters-time">32:00</span><span class="chapters-text">AC simulation</span></li>
            <li class="chapters-list-item"><span class="chapters-time">35:37</span><span class="chapters-text">Explaining the results of simulations</span></li>
            <li class="chapters-list-item"><span class="chapters-time">40:40</span><span class="chapters-text">Simulating PCB tracks</span></li>
            <li class="chapters-list-item"><span class="chapters-time">43:18</span><span class="chapters-text">Simulating transmission line</span></li>
            <li class="chapters-list-item"><span class="chapters-time">55:48</span><span class="chapters-text">DesignCon</span></li>
    </div>
    
    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="https://www.colorado.edu/faculty/bogatin/">About Eric</a></li>
            <li class="links-list-item"><a href="https://fedevel.com/courses">FEDEVEL Online courses</a></li>
        </ul>
    </div>  
</div>

How to Start with Electronic Circuit Simulation for Free | 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/vnSX34YLjCo" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
About power supplies on motherboards and all related control and logic subsystems. Explained by Istvan Nagy
    </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">01:14</span><span class="chapters-text">Types of power supplies</span></li>
            <li class="chapters-list-item"><span class="chapters-time">06:32</span><span class="chapters-text">Testing power supplies</span></li>
            <li class="chapters-list-item"><span class="chapters-time">11:36</span><span class="chapters-text">About power supply layout and voltage sense</span></li>
            <li class="chapters-list-item"><span class="chapters-time">17:23</span><span class="chapters-text">Output voltage</span></li>
            <li class="chapters-list-item"><span class="chapters-time">19:57</span><span class="chapters-text">Voltage regulator features</span></li>
            <li class="chapters-list-item"><span class="chapters-time">35:56</span><span class="chapters-text">CPLD</span></li>
            <li class="chapters-list-item"><span class="chapters-time">39:59</span><span class="chapters-text">Motherboard power subsystem example</span></li>
            <li class="chapters-list-item"><span class="chapters-time">43:06</span><span class="chapters-text">Power sequencing</span></li>
            <li class="chapters-list-item"><span class="chapters-time">54:30</span><span class="chapters-text">System management</span></li>
            <li class="chapters-list-item"><span class="chapters-time">58:03</span><span class="chapters-text">Sequencer chip</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:00:44</span><span class="chapters-text">FPGA</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:02:40</span><span class="chapters-text">Initialization sequence</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:08:01</span><span class="chapters-text">CPLD schematic page example</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:10:24</span><span class="chapters-text">Power domains</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:18:44</span><span class="chapters-text">x86 Power stages</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:24:39</span><span class="chapters-text">Thermal protection and management</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:29:46</span><span class="chapters-text">Istvan's book</span></li>
    </div>
    
    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="https://www.amazon.com/Complex-Digital-Hardware-Design-Istvan/dp/1032702087">Istvan´s Book</a></li>
            <li class="links-list-item"><a href="https://fedevel.com/courses">FEDEVEL Online courses</a></li>
        </ul>
    </div>  
</div>

How Computer Motherboard Power Supplies Work

<div class="entry-content">


    <div class="blog-content">
        <ol class="content-list">
            <li class="content-list-item"><span class="content-text"><b>Specify the basics</b><br>
                For example: You want a cheap ARM processor, at least 300MHz with DDR3 interface</span></li>
            <li class="content-list-item"><span class="content-text"><b>Answer this question: Which is the most unusual peripheral I need?</b><br>
                For example: HDMI interface</span></li>
            <li class="content-list-item"><span class="content-text"><b>Go to a supplier website and do the search</b><br>
                For example: <a href="http://www.digikey.com">http://www.digikey.com</a> -> Product Index > Integrated Circuits (ICs) > Embedded – Microcontrollers</span></li>
            <li class="content-list-item"><span class="content-text"><b>Select the unusual peripheral:</b><br>
                Peripherals -> HDMI</span></li>
            <li class="content-list-item"><span class="content-text"><b>Order Ascending by price for 1000 pieces</b><br>
                <div class="blog-content-img-wrapper">
                    <a href="https://assets.fedevel.com/blog/2019/10/6a9f5-processor-selection.png" target="_blank"><img src="https://assets.fedevel.com/blog/2019/10/6a9f5-processor-selection.png" alt="Processor selection" /></a>
                </div>
                If you don’t have any special peripheral, search for:<br>
                Processor core: ARM<br>
                Speed: at least 300MHz<br>
                Industrial temperature: at least -40C</span></li>
            <li class="content-list-item"><span class="content-text"><b>Check datasheet & manufacturer website</b></span></li>
            <li class="content-list-item"><span class="content-text"><b>Select the processor most suitable for your application.</b></span></li>
        </ol>
    </div>

    <div class="blog-content">
        <h2 class="blog-content-heading">Be careful about</h2>
        <ul class="content-list">
            <li class="content-list-item"><span class="content-text"><b>In stock checkbox</b> – this can eliminate the cheapest variants from the list, so the results will not be accurate. On the other site, be sure, you can buy the component you finally choose.</span></li>
            <li class="content-list-item"><span class="content-text"><b>Category selection</b> e.g. Processor / Microcontroller. Suppliers sometimes mix these chips together, look in both categories.</span></li>
            <li class="content-list-item"><span class="content-text"><b>Hardware development support</b> – be sure, the selected chip has free reference schematics with PCB and available development kits in reasonable price</span></li>
            <li class="content-list-item"><span class="content-text"><b>Software support</b> – be sure, the selected chip has a good software support with code examples. Additional software development can cause delays or increase cost significantly.</span></li>
            <li class="content-list-item"><span class="content-text"><b>Good documentation</b> is advantage.</span></li>
            <li class="content-list-item"><span class="content-text"><b>Community support</b> is plus.</span></li>
        </ul>
    </div>
</div>

How to select Processor / Microcontroller for your design

<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/8GpsPRjvUXk" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        This video explains difference in layout between DDR3 (fly-by topology) and DDR2 (T-branch topology). This short video is a part of Advanced PCB Layout Course.
    </div> 
    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="http://www.fedevel.com/welldoneblog/2011/02/ddr-ddr2-ddr3-pcb-layout-examples/">Download the layout examples</a></li>
            <li class="links-list-item"><a href="https://fedevel.com/courses/advanced-pcb-layout-course">Advanced PCB Layout Course</a></li>
        </ul>
    </div> 
</div>


DDR2 & DDR3 layout difference

<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/y22Ia6gJDr8" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        I had to remove one chip, so I took a short video about it. You may find it useful. Simple technique to remove a small chip with Exposed pad.
    </div> 
</div>


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How to Start with Electronic Circuit Simulation for Free | Eric Bogatin

How Computer Motherboard Power Supplies Work

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