<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/m3Ny3j5nH0U" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
Close look at BGA soldering, chip soldering, hand soldering and more
    </div>
    
    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="https://www.keyence.eu/yt-kib-vhx-0924">Microscope Keyence VHX-7000N</a></li>
            <li class="links-list-item"><a href="https://fedevel.com/courses">FEDEVEL Online courses</a></li>
        </ul>
    </div>  
</div>

Have you ever seen soldering THIS close?

<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/kOXN13C_gRk" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
How to come up with ideas for electronics projects and having fun when building them. Talking with Chris Greening
    </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">00:23</span><span class="chapters-text">How to come up with ideas</span></li>
            <li class="chapters-list-item"><span class="chapters-time">02:23</span><span class="chapters-text">How Chris learned and designed his 1st PCB</span></li>
            <li class="chapters-list-item"><span class="chapters-time">05:53</span><span class="chapters-text">EasyEDA vs. KiCAD</span></li>
            <li class="chapters-list-item"><span class="chapters-time">11:42</span><span class="chapters-text">Wireless LEDs</span></li>
            <li class="chapters-list-item"><span class="chapters-time">21:04</span><span class="chapters-text">Haptic knob</span></li>
            <li class="chapters-list-item"><span class="chapters-time">27:53</span><span class="chapters-text">Printing PCB at Home</span></li>
            <li class="chapters-list-item"><span class="chapters-time">32:26</span><span class="chapters-text">USB Tester</span></li>
            <li class="chapters-list-item"><span class="chapters-time">37:25</span><span class="chapters-text">ESP32 and MP3</span></li>
            <li class="chapters-list-item"><span class="chapters-time">41:57</span><span class="chapters-text">ESP-Now</span></li>
            <li class="chapters-list-item"><span class="chapters-time">44:37</span><span class="chapters-text">Minimalistic Microcontroller & TV project</span></li>
            <li class="chapters-list-item"><span class="chapters-time">50:17</span><span class="chapters-text">Touch Spectrum</span></li>
            <li class="chapters-list-item"><span class="chapters-time">59:32</span><span class="chapters-text">Paper display / ePaper</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:09:00</span><span class="chapters-text">DYI Alexa</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:15:01</span><span class="chapters-text">Laser Projected Asteroids game</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:24:10</span><span class="chapters-text">Your project may not work ...</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:31:51</span><span class="chapters-text">3D printing</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/@atomic14">Chris´ YT channel</a></li>
            <li class="links-list-item"><a href="https://esp32zx.substack.com/about">Chris´ ZX Spectrum Project</a></li>
            <li class="links-list-item"><a href="https://fedevel.com/courses">FEDEVEL Online courses</a></li>
        </ul>
    </div>  
</div>

Cool DIY Electronics Projects

<div class="entry-content">
    <div class="video-wrapper"><span class="embed-youtube" style="text-align:center; display: block;"><iframe src="https://www.youtube.com/embed/_8YzqllIoJ4" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
What is on motherboards and server boards, how they work and how they are designed. 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">00:49</span><span class="chapters-text">What is a complex design</span></li>
            <li class="chapters-list-item"><span class="chapters-time">08:22</span><span class="chapters-text">PC Motherboard described</span></li>
            <li class="chapters-list-item"><span class="chapters-time">12:39</span><span class="chapters-text">Power</span></li>
            <li class="chapters-list-item"><span class="chapters-time">16:03</span><span class="chapters-text">Power states</span></li>
            <li class="chapters-list-item"><span class="chapters-time">21:10</span><span class="chapters-text">Laptop vs. Standard PC</span></li>
            <li class="chapters-list-item"><span class="chapters-time">23:07</span><span class="chapters-text">Thermal management</span></li>
            <li class="chapters-list-item"><span class="chapters-time">27:06</span><span class="chapters-text">I2C</span></li>
            <li class="chapters-list-item"><span class="chapters-time">29:33</span><span class="chapters-text">Memories and timing</span></li>
            <li class="chapters-list-item"><span class="chapters-time">39:25</span><span class="chapters-text">x86 vs. other architectures</span></li>
            <li class="chapters-list-item"><span class="chapters-time">42:06</span><span class="chapters-text">Industrial motherboards</span></li>
            <li class="chapters-list-item"><span class="chapters-time">45:30</span><span class="chapters-text">Backplanes</span></li>
            <li class="chapters-list-item"><span class="chapters-time">47:38</span><span class="chapters-text">High speed signals, signal integrity, simulations</span></li>
            <li class="chapters-list-item"><span class="chapters-time">54:39</span><span class="chapters-text">QUCS simulator</span></li>
            <li class="chapters-list-item"><span class="chapters-time">56:23</span><span class="chapters-text">SPI, JTAG</span></li>
            <li class="chapters-list-item"><span class="chapters-time">58:32</span><span class="chapters-text">How many schematic pages and what is there</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:01:40</span><span class="chapters-text">SERDES</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:06:43</span><span class="chapters-text">Power supplies</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:18:19</span><span class="chapters-text">Reliability issues, testing and measuring</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:24:29</span><span class="chapters-text">Debugging</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:24:40</span><span class="chapters-text">PCB materials</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:33:06</span><span class="chapters-text">Floor planning</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:37:54</span><span class="chapters-text">You power it up and it doesn't work</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:45:02</span><span class="chapters-text">Measuring by probes</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:47:20</span><span class="chapters-text">Open Compute Project OPC</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:49:15</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 Complex Motherboards Are Designed

<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/icRzEZF3eZo" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        Discussion with Eric Bogatin about why return currents flow under tracks … and more …
    </div>
    <div class="blog-content-chapters">
        <div>
            Chapters:
        </div>
        <ul class="chapters-list">
            <li class="chapters-list-item">
                <span class="chapters-time">06:15</span><span class="chapters-text">The Fourt Most Important Principles of Signal Integrity</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">08:17</span><span class="chapters-text">Microstrip Transmission Line</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">10:14</span><span class="chapters-text">Secret to Understanding Return Current Is Displacement Current</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">10:20</span><span class="chapters-text">Displacement Current</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">21:10</span><span class="chapters-text">Current Density</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">22:13</span><span class="chapters-text">Lateral Extent of the Return Current</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">32:55</span><span class="chapters-text">Configrations of Cross Sections</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">38:39</span><span class="chapters-text">Return Current Distribution</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">44:10</span><span class="chapters-text">Ground Bounce</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 classes</a></li>
            <li class="links-list-item"><a href="https://www.altium.com/summit/">AltiumLive</a></li>
        </ul>
    </div>   
</div>


What Every PCB Designer Should Know – Return Current Path (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/M9nZS03r58U" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        Tutorial on how to design a custom 10W solid-state power amplifier for audio (guitar, in particular). Explanation and derivation of a three-stage, analogue power amplifier using a single DC supply (+24V). Includes schematics of long-tailed pair, class A amplifier and biasing stage, and output stage.
    </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">Guitar Solo (Steel Panther - If You Really Really Love Me)</span></li>
            <li class="chapters-list-item"><span class="chapters-time">00:47</span><span class="chapters-text">Amplifer Block Diagram</span></li>
            <li class="chapters-list-item"><span class="chapters-time">01:58</span><span class="chapters-text">Full Power Amplifier Schematic and Overview</span></li>
            <li class="chapters-list-item"><span class="chapters-time">02:36</span><span class="chapters-text">Long-Tailed Pair (Differencing Amplifier)</span></li>
            <li class="chapters-list-item"><span class="chapters-time">04:31</span><span class="chapters-text">Class A Amplifier and Biasing</span></li>
            <li class="chapters-list-item"><span class="chapters-time">06:24</span><span class="chapters-text">Output Stage</span></li>
            <li class="chapters-list-item"><span class="chapters-time">08:54</span><span class="chapters-text">KiCad Layout (Overview)</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">FEDEVEL courses</a></li>
        </ul>
    </div>  
</div>

Solid-State Power Amplifier Design for Guitar - Phil's Lab #12

<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/hZSOhVdzqZk" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        How to fix the noise on power pin by measuring PDN impedance.
    </div>
    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="https://youtu.be/5Ca0Eah7eKI">Part 1: PCB Layout & Decoupling - Explained why it's so complicated</a></li>
            <li class="links-list-item"><a href="https://youtu.be/Tt8X6_maj6c">Part 2: PCB Layout & Decoupling - Understanding Impedance</a></li>
            <li class="links-list-item"><a href="https://youtu.be/hZSOhVdzqZk">Part 3: PCB Layout & Decoupling - Measuring and Fixing</a></li>
            <li class="links-list-item"><a href="https://www.linkedin.com/in/florian-h%C3%A4mmerle-a8304152/">Florian Hämmerle</a></li>
            <li class="links-list-item"><a href="https://www.linkedin.com/in/steven-sandler-022a7210/">Steven Sandler</a></li>
            <li class="links-list-item"><a href="https://www.omicron-lab.com/products/vector-network-analysis/bode-100/">Bode 100</a></li>
            <li class="links-list-item"><a href="https://www.picotest.com/products_PDN_Probe.html">Picotest</a></li>
        </ul>
    </div>   
</div>


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