<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="jetpack-video-wrapper"><span class="embed-youtube" style="text-align:center; display: block;"><iframe src="https://www.youtube.com/embed/fFI33f4TejM" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
Ken Burns has published 7 hardware projects on Kickstarter. He explains how it works.
    </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">03:15</span><span class="chapters-text">Starting with Kickstarter</span></li>
            <li class="chapters-list-item"><span class="chapters-time">09:00</span><span class="chapters-text">Kickstarter vs. Indiegogo</span></li>
            <li class="chapters-list-item"><span class="chapters-time">13:49</span><span class="chapters-text">Calculating price for HW products</span></li>
            <li class="chapters-list-item"><span class="chapters-time">18:36</span><span class="chapters-text">Starting Kickstarter vs. Project status</span></li>
            <li class="chapters-list-item"><span class="chapters-time">24:11</span><span class="chapters-text">Preparing marketing materials</span></li>
            <li class="chapters-list-item"><span class="chapters-time">27:42</span><span class="chapters-text">Getting help with promotion</span></li>
            <li class="chapters-list-item"><span class="chapters-time">33:21</span><span class="chapters-text">Shipping thousands of products</span></li>
            <li class="chapters-list-item"><span class="chapters-time">37:34</span><span class="chapters-text">Goal amount</span></li>
            <li class="chapters-list-item"><span class="chapters-time">40:46</span><span class="chapters-text">Find people</span></li>
            <li class="chapters-list-item"><span class="chapters-time">46:02</span><span class="chapters-text">Board vs. Product</span></li>
            <li class="chapters-list-item"><span class="chapters-time">50:07</span><span class="chapters-text">Cost</span></li>
            <li class="chapters-list-item"><span class="chapters-time">54:51</span><span class="chapters-text">Do it because you enjoy it</span></li>
            <li class="chapters-list-item"><span class="chapters-time">58:20</span><span class="chapters-text">About Ken's company</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:06:57</span><span class="chapters-text">How to reach out to media</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:12:04</span><span class="chapters-text">Component sourcing </span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:15:45</span><span class="chapters-text">"Just" a board example</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:18:02</span><span class="chapters-text">Product example</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:23:14</span><span class="chapters-text">Community</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:27:28</span><span class="chapters-text">Advice</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:29:21</span><span class="chapters-text">... only lost 60k, but ...</span></li>
    </div>
    
    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="https://tinycircuits.com/">Ken´s company TinyCircuits</a></li>
            <li class="links-list-item"><a href="https://fedevel.com/courses">FEDEVEL Online courses</a></li>
        </ul>
    </div>  
</div>

Can You Make Money on Kickstarter HW Projects?

<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/Hfzq1QES-Q" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        Some tips for when designing hardware and PCBs with simple RF sections and components. These concepts have aided me well when designing 4-layer embedded systems PCBs.<br><br>Topics: critical trace lengths, stackups, controlled impedance traces (microstrip, stripline), impedance discontinuities due to wide pads, clearances, bias tees.
    </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">00:53</span><span class="chapters-text">Overview</span></li>
            <li class="chapters-list-item"><span class="chapters-time">02:08</span><span class="chapters-text">Critical length</span></li>
            <li class="chapters-list-item"><span class="chapters-time">06:45</span><span class="chapters-text">Stackup</span></li>
            <li class="chapters-list-item"><span class="chapters-time">08:51</span><span class="chapters-text">Controlled impedance traces</span></li>
            <li class="chapters-list-item"><span class="chapters-time">12:34</span><span class="chapters-text">Impedance discontinuities (pad-to-trace)</span></li>
            <li class="chapters-list-item"><span class="chapters-time">14:34</span><span class="chapters-text">Clearance</span></li>
            <li class="chapters-list-item"><span class="chapters-time">15:17</span><span class="chapters-text">Antenna bias tees</span></li>
        </ul>
    </div>
    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="https://open-seneca.org">Open Seneca</a></li>

            <li class="links-list-item"><a href="https://fedevel.com/courses">FEDEVEL courses</a></li>
        </ul>
    </div>  
</div>

Practical RF Hardware and PCB Design Tips - Phil's Lab #19

<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/5EeQPxRdurk" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        The best crosstalk explanation I have ever seen. What do you think? Thank you 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">Intro</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">06:56</span><span class="chapters-text">Microstrip</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">08:49</span><span class="chapters-text">Adding another signal line</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">16:13</span><span class="chapters-text">Im wrong</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">21:55</span><span class="chapters-text">Near and far end crosstalk</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">26:38</span><span class="chapters-text">Higher voltage currents</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">28:40</span><span class="chapters-text">Increasing current impedance</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">33:18</span><span class="chapters-text">Comparing reflections</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">35:30</span><span class="chapters-text">Frequency of ringing</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">37:18</span><span class="chapters-text">Microstrip crosstalk</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">38:31</span><span class="chapters-text">Derivative crosstalk</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">39:26</span><span class="chapters-text">What is impedance value of the driver</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">42:17</span><span class="chapters-text">Moving the traces farther apart</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">43:35</span><span class="chapters-text">Near and crosstalk coefficient</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">44:40</span><span class="chapters-text">Simulator</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">45:09</span><span class="chapters-text">Field solver</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">45:24</span><span class="chapters-text">Measuring crosstalk</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">48:38</span><span class="chapters-text">Teledyne</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">52:00</span><span class="chapters-text">The Scale</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">52:33</span><span class="chapters-text">Rise Time</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">52:49</span><span class="chapters-text">Measuring the Scope</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">55:13</span><span class="chapters-text">Why is it a little longer</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">56:08</span><span class="chapters-text">Nearend crosstalk</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">56:38</span><span class="chapters-text">Termination</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">58:53</span><span class="chapters-text">Expanding the timebase</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>
            <li class="links-list-item"><a href="https://www.bethesignal.com/bogatin/">Eric's courses</a></li>
        </ul>
    </div>   
</div>


Understanding Crosstalk in PCB Layout – You may wish you knew this before (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/aySAg50S1E8" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        Do you know what a nibble in DDR memory design is?
    </div>
    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="https://www.fedevel.com/welldoneblog/wp-content/uploads/2014/06/IMX6DQ6SDLHDG.pdf">iMX6 DDR3 Design Guide</a></li>
            <li class="links-list-item"><a href="https://www.nxp.com/files-static/32bit/doc/app_note/AN5097.pdf?&fasp=1&WT_TYPE=Application+Notes&WT_VENDOR=FREESCALE&WT_FILE_FORMAT=pdf&WT_ASSET=Documentation&fileExt=.pdf">DDR4 Layout Design PDF</a></li>
            <li class="links-list-item"><a href="https://semiconductor.samsung.com/resources/device-operation-timing-diagram/DDR4_Device_Operations_Rev11_Oct_14-0.pdf">DDR Commands PDF</a></li>
            <li class="links-list-item"><a href="https://welldoneblog.fedevel.com/2011/06/15/ddr3-memory-chip-mirroring-pcb-layout/">DDR Mirroring</a></li>
            <li class="links-list-item"><a href="https://www.compuram.biz/documents/datasheet/519203ds_ddr2_1gb_f-die_based_rdimm_rev10.pdf">Memory Module PDF</a></li>
        </ul>
    </div>   
</div>


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