<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/8bw80LiCl7g" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        Walkthrough of FPGA-based (Xilinx Artix 7) PCIe hardware accelerator in an M.2 form-factor (e.g. for laptops, computers) including DDR3 memory, quad buck converter, controlled impedance, assembly documentation, and more!
    </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">Overview (1)</span></li>
            <li class="chapters-list-item"><span class="chapters-time">01:32</span><span class="chapters-text">Overview (2)</span></li>
            <li class="chapters-list-item"><span class="chapters-time">04:26</span><span class="chapters-text">Power Supply</span></li>
            <li class="chapters-list-item"><span class="chapters-time">09:09</span><span class="chapters-text">FPGA Power and Decoupling</span></li>
            <li class="chapters-list-item"><span class="chapters-time">14:18</span><span class="chapters-text">FPGA Configuration</span></li>
            <li class="chapters-list-item"><span class="chapters-time">15:01</span><span class="chapters-text">FPGA Banks</span></li>
            <li class="chapters-list-item"><span class="chapters-time">16:06</span><span class="chapters-text">DDR3 Memory</span></li>
            <li class="chapters-list-item"><span class="chapters-time">21:57</span><span class="chapters-text">PCIe (MGT Transceivers)</span></li>
            <li class="chapters-list-item"><span class="chapters-time">25:01</span><span class="chapters-text">Assembly Documentation (Draftsman)</span></li>
            <li class="chapters-list-item"><span class="chapters-time">25:55</span><span class="chapters-text">Manufacturing Files</span></li>
            <li class="chapters-list-item"><span class="chapters-time">27:16</span><span class="chapters-text">Outro</span></li>
        </ul>
    </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>

FPGA + PCIe Hardware Accelerator Design Walkthrough (DDR3, M.2, ..) - Phil's Lab #82

<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/vFRtFiDz9wM" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        Ringing caused by reflections can be fixed. What is happening and what to do? Explained by Eric Bogatin. 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">00:00</span><span class="chapters-text">Understanding reflections</span></li>
            <li class="chapters-list-item"><span class="chapters-time">01:06</span><span class="chapters-text">Electrically Short vs. Long</span></li>
            <li class="chapters-list-item"><span class="chapters-time">02:52</span><span class="chapters-text">The tool we are using explained</span></li>
            <li class="chapters-list-item"><span class="chapters-time">03:48</span><span class="chapters-text">Simulating: Electrically short</span></li>
            <li class="chapters-list-item"><span class="chapters-time">08:04</span><span class="chapters-text">Reflections on classic CMOS and standard board</span></li>
            <li class="chapters-list-item"><span class="chapters-time">10:41</span><span class="chapters-text">Simulating: Electrically long (e.g. DDR3 / DDR4)</span></li>
            <li class="chapters-list-item"><span class="chapters-time">15:16</span><span class="chapters-text">50 OHM impedance is not 50 OHM resistance</span></li>
            <li class="chapters-list-item"><span class="chapters-time">16:39</span><span class="chapters-text">Simulating a buffer example</span></li>
            <li class="chapters-list-item"><span class="chapters-time">18:32</span><span class="chapters-text">Why we get reflections</span></li>
            <li class="chapters-list-item"><span class="chapters-time">20:37</span><span class="chapters-text">What happens when there is a reflection</span></li>
            <li class="chapters-list-item"><span class="chapters-time">25:44</span><span class="chapters-text">Why reflection disappears</span></li>
            <li class="chapters-list-item"><span class="chapters-time">30:08</span><span class="chapters-text">Frequency of ringing</span></li>
            <li class="chapters-list-item"><span class="chapters-time">31:49</span><span class="chapters-text">How to eliminate reflections</span></li>
            <li class="chapters-list-item"><span class="chapters-time">35:37</span><span class="chapters-text">Signal level change caused by termination</span></li>
            <li class="chapters-list-item"><span class="chapters-time">39:25</span><span class="chapters-text">Source termination</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.bethesignal.com/bogatin/vrpw3016-yoshi-animations-reflections-p-1072.html">Software used in the video</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://fedevel.com/courses">FEDEVEL courses</a></li>
        </ul>
    </div>  
</div>

When a Signal Hits The End of a PCB Track – What happens? | Reflections by 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/gOS8LyExKDk" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        I have decided to refresh my hardware design tips. The first one is related to randomly crashing and freezing boards and to boards with a weird behavior. Have you ever had a problem with crosstalk? How did you solve it?
    </div>
    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="https://youtu.be/EF7SxgcDfCo">What Every PCB Designer Should Know – Crosstalk Explained (with Eric Bogatin)</a></li>
            <li class="links-list-item"><a href="https://youtu.be/5EeQPxRdurk">Understanding Crosstalk in PCB Layout – You may wish you knew this before (with Eric Bogatin)</a></li>
            <li class="links-list-item"><a href="https://youtu.be/CDJn-35W8sg">3 Simple Tips To Improve Signals on Your PCB – A Big Difference</a></li>
            <li class="links-list-item"><a href="https://fedevel.com/courses">FEDEVEL courses</a></li>
        </ul>
    </div>  
</div>

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Can You Make Money on Kickstarter HW Projects?

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

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