<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-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/2oA4X3OTz0M" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
Interesting experiments and examples to help you to understand ground layout in PCB. Explained by Hans Rosenberg
    </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">00:19</span><span class="chapters-text">Currents flow under track</span></li>
            <li class="chapters-list-item"><span class="chapters-time">03:10</span><span class="chapters-text">What happen when you are making a board</span></li>
            <li class="chapters-list-item"><span class="chapters-time">08:37</span><span class="chapters-text">Where currents flow</span></li>
            <li class="chapters-list-item"><span class="chapters-time">14:01</span><span class="chapters-text">Experiment: Cut under track</span></li>
            <li class="chapters-list-item"><span class="chapters-time">19:51</span><span class="chapters-text">Floating copper fill</span></li>
            <li class="chapters-list-item"><span class="chapters-time">23:15</span><span class="chapters-text">Grounded copper fill</span></li>
            <li class="chapters-list-item"><span class="chapters-time">27:04</span><span class="chapters-text">Experiment: Filter</span></li>
            <li class="chapters-list-item"><span class="chapters-time">35:05</span><span class="chapters-text">2 Layer vs. 4 Layer</span></li>
            <li class="chapters-list-item"><span class="chapters-time">44:00</span><span class="chapters-text">3 rules to prevent ground problems</span></li>
            <li class="chapters-list-item"><span class="chapters-time">46:05</span><span class="chapters-text">Example: Ground plane</span></li>
            <li class="chapters-list-item"><span class="chapters-time">49:52</span><span class="chapters-text">Example: 1 VIA per GND pin</span></li>
            <li class="chapters-list-item"><span class="chapters-time">54:46</span><span class="chapters-text">Example: Gap in GND plane</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:02:00</span><span class="chapters-text">Example: FPGA board redesign</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:05:16</span><span class="chapters-text">Star grounding</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:07:39</span><span class="chapters-text">Multiple ground planes</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:14:30</span><span class="chapters-text">Example: Digital and Analog on one board</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:16:40</span><span class="chapters-text">About Hans</span></li>
    </div>
    
    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="https://www.youtube.com/@HansRosenberg74">Hans´ YouTube</a></li>
            <li class="links-list-item"><a href="https://www.hans-rosenberg.com/">Hans´ website</a></li>
            <li class="links-list-item"><a href="https://fedevel.com/courses">FEDEVEL Online courses</a></li>
        </ul>
    </div>  
</div>

Examples of BAD Ground in PCB Layout And How to Fix It

<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/X-qubBLJDD8" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
What will happen if you don't have enough GND pins on your connector?
    </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>

Do You Design Connector Pinout Correctly? | 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/4OBO760u7jg" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        Do we have to route tracks with 50 OHM impedance? Can we use a different impedance? Why is it 50 OHMs?
    </div>
    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="https://youtu.be/U60y4JC0Wxs">Full interview with Eric</a></li>
            <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/3monthsubscription.php">Signal Integrity Academy (use FEDSI - 3 months free)</a></li>
        </ul>
    </div>   
</div>


Why is 50 OHM impedance used in PCB Layout? | Explained | 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/U60y4JC0Wxs" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        Everything you need to know to understand impedance in PCB layout (and TDR). Clear and easy to understand explanation 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">00:49</span><span class="chapters-text">What TDR is and what it does?</span></li>
            <li class="chapters-list-item"><span class="chapters-time">02:37</span><span class="chapters-text">What is characteristic impedance</span></li>
            <li class="chapters-list-item"><span class="chapters-time">04:48</span><span class="chapters-text">Why reflections are bad</span></li>
            <li class="chapters-list-item"><span class="chapters-time">10:54</span><span class="chapters-text">Why do we use 50 ohm in pcb tracks?</span></li>
            <li class="chapters-list-item"><span class="chapters-time">15:28</span><span class="chapters-text">Are lower impedance tracks more immune to noise?</span></li>
            <li class="chapters-list-item"><span class="chapters-time">23:45</span><span class="chapters-text">Can you use any impedance for differential pairs?</span></li>
            <li class="chapters-list-item"><span class="chapters-time">27:10</span><span class="chapters-text">What is difference between closely and loosely coupled diff impedance</span></li>
            <li class="chapters-list-item"><span class="chapters-time">36:03</span><span class="chapters-text">Experimenting with TDR simulation</span></li>
            <li class="chapters-list-item"><span class="chapters-time">48:58</span><span class="chapters-text">Measuring and explaining TDR on a simple pcb track</span></li>
            <li class="chapters-list-item"><span class="chapters-time">56:39</span><span class="chapters-text">Can we do TDR on a real board?</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:02:13</span><span class="chapters-text">Measuring and explaining TDR on a pcb track with different width</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:05:53</span><span class="chapters-text">Answer: Why we sometimes remove ground under pads</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:07:49</span><span class="chapters-text">Measuring a coaxial cable with TDR</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:14:51</span><span class="chapters-text">Why you may need TDR are where it is used</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:19:00</span><span class="chapters-text">Do we really need to care about small changes in impedance? When?</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 LinkedIn</a></li>
            <li class="links-list-item"><a href="https://www.bethesignal.com/bogatin/3monthsubscription.php">Signal Integrity Academy (use FEDSI - 3 months free)</a></li>
            <li class="links-list-item"><a href="https://youtu.be/ERvQeln9l-g">The video with Bert</a></li>
            <li class="links-list-item"><a href="https://youtube.com/playlist?list=PLXvLToQzgzdeRWySVRb3yeEbwVsNGU4jY">Robert´s server videos</a></li>
        </ul>
    </div>   
</div>


Every PCB Designer Needs To Know This About PCB Track Impedance | TDR | 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/7uupuor2Dc8" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        New hardware and PCB design course on mixed-signal embedded systems just released!
    </div>
  
    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">

            <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>

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