<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/sKOUOU-hVEs" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
This video will help you to understand eye diagrams. Thank you very much Tim Wang Lee
    </div>
    
    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="http://www.keysight.com/find/ads-si-workshop">Learn more about Signal Integrity with ADS</a></li>
            <li class="links-list-item"><a href="https://www.keysight.com/us/en/products/software/pathwave-design-software.html">Get a head start with Electronic Design Automation</a></li>
            <li class="links-list-item"><a href="https://www.linkedin.com/in/timwanglee/">Connect with Tim</a></li>
            <li class="links-list-item"><a href="https://fedevel.com/courses">FEDEVEL Online courses</a></li>
        </ul>
    </div>  
</div>

What does an eye diagram show? Here is how you recognize problems - reflections, crosstalk and loss

<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/Rr9NBtrA4t4" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        Watch how differential pair signals are travelling through a PCB. Thank you very much Yuriy Shlepnev 
    </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">Differential pairs routed on top / bottom, THIN PCB, 1W</span></li>
            <li class="chapters-list-item"><span class="chapters-time">12:56</span><span class="chapters-text">3W, Top / Bottom</span></li>
            <li class="chapters-list-item"><span class="chapters-time">17:17</span><span class="chapters-text">THICK PCB, Top / Bottom</span></li>
            <li class="chapters-list-item"><span class="chapters-time">23:49</span><span class="chapters-text">No GND plane</span></li>
            <li class="chapters-list-item"><span class="chapters-time">30:01</span><span class="chapters-text">Differential pairs inside of PCB</span></li>
            <li class="chapters-list-item"><span class="chapters-time">45:30</span><span class="chapters-text">3D animation, top/bottom, 1W</span></li>
            <li class="chapters-list-item"><span class="chapters-time">48:51</span><span class="chapters-text">3D animation, top/bottom, 3W</span></li>
            <li class="chapters-list-item"><span class="chapters-time">57:12</span><span class="chapters-text">3D animation, inside of PCB, 1W</span></li>
            <li class="chapters-list-item"><span class="chapters-time">58:40</span><span class="chapters-text">3D animation, inside of PCB, 3W</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:06:21</span><span class="chapters-text">Crosstalk examples</span></li>
    </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/yuriy-shlepnev-7b39136/">Yuriy's LinkedIn</a></li>
            <li class="links-list-item"><a href="https://www.simberian.com/">Yuriy's company</a></li>
            <li class="links-list-item"><a href="https://fedevel.com/courses">FEDEVEL Online courses</a></li>
        </ul>
    </div>  
</div>

Watch Differential Pair Fields and Currents in PCB

<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/I_MNw4EWer0" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        Professional hardware design of complex boards 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">00:59</span><span class="chapters-text">Learning step-by-step</span></li>
            <li class="chapters-list-item"><span class="chapters-time">09:53</span><span class="chapters-text">Where we can find electronics</span></li>
            <li class="chapters-list-item"><span class="chapters-time">15:02</span><span class="chapters-text">Misconceptions</span></li>
            <li class="chapters-list-item"><span class="chapters-time">41:30</span><span class="chapters-text">Istvan's book</span></li>
            <li class="chapters-list-item"><span class="chapters-time">44:35</span><span class="chapters-text">Testing</span></li>
            <li class="chapters-list-item"><span class="chapters-time">51:19</span><span class="chapters-text">What to learn</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:05:09</span><span class="chapters-text">What do we need to start</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:15:35</span><span class="chapters-text">Learning types</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:23:29</span><span class="chapters-text">Learning path</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:27:48</span><span class="chapters-text">Hobby tools</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:37:56</span><span class="chapters-text">Production</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:45:05</span><span class="chapters-text">Company types</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>

Are you the right person to design complex electronic boards?

<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/XaiqvVc4ImE" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        How to use LTSpice (free circuit simulator), including basics of the software, as well as DC operating point analysis for a simple circuit (op-amp unity-gain voltage follower, configured as a half-rail bias generator). Lesson is an extract of the ´Mixed-Signal Hardware Design with KiCad´ course.
    </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">00:18</span><span class="chapters-text">Course</span></li>
            <li class="chapters-list-item"><span class="chapters-time">00:54</span><span class="chapters-text">LTSpice Download</span></li>
            <li class="chapters-list-item"><span class="chapters-time">01:34</span><span class="chapters-text">LTSpice Basics</span></li>
            <li class="chapters-list-item"><span class="chapters-time">02:00</span><span class="chapters-text">Adding Op-Amp and Voltage Source</span></li>
            <li class="chapters-list-item"><span class="chapters-time">03:27</span><span class="chapters-text">Adding Net Names</span></li>
            <li class="chapters-list-item"><span class="chapters-time">04:04</span><span class="chapters-text">Drawing Wires</span></li>
            <li class="chapters-list-item"><span class="chapters-time">04:17</span><span class="chapters-text">Placing Resistors and Capacitors</span></li>
            <li class="chapters-list-item"><span class="chapters-time">04:48</span><span class="chapters-text">Misc. Tips and Changing Values</span></li>
            <li class="chapters-list-item"><span class="chapters-time">05:17</span><span class="chapters-text">DC Operating Point Analysis</span></li>
            <li class="chapters-list-item"><span class="chapters-time">06:14</span><span class="chapters-text">Label Your Nets!</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.youtube.com/watch?v=PMEpQZ90f34&ab_channel=Phil%E2%80%99sLab">STM32 PCB Design - Complete Walkthrough - Altium Designer & JLCPCB - Phil´s Lab #41</a></li>
            <li class="links-list-item"><a href="https://www.analog.com/en/design-center/design-tools-and-calculators/ltspice-simulator.html">LTSpice Download</a></li>

            <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>

LTSpice - Basics and DC Operating Point Analysis - Phil's Lab #48

<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/M63o4Zzhptc" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        Real-time digital processing (DSP) of audio data using an STM32 microcontroller in C on custom audio-processing hardware. Second video in series, covering notch filter basics, software implementation with variable filter parameters, and a live demo with an electric guitar.
    </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">00:48</span><span class="chapters-text">Previous Video and PCB Overview</span></li>
            <li class="chapters-list-item"><span class="chapters-time">02:21</span><span class="chapters-text">Hardware Overview</span></li>
            <li class="chapters-list-item"><span class="chapters-time">02:48</span><span class="chapters-text">Notch Filter Theory Recap</span></li>
            <li class="chapters-list-item"><span class="chapters-time">05:59</span><span class="chapters-text">Code Overview (STM32CubeIDE)</span></li>
            <li class="chapters-list-item"><span class="chapters-time">06:30</span><span class="chapters-text">Notch Filter Header</span></li>
            <li class="chapters-list-item"><span class="chapters-time">07:42</span><span class="chapters-text">Notch Filter Source</span></li>
            <li class="chapters-list-item"><span class="chapters-time">09:10</span><span class="chapters-text">main.c</span></li>
            <li class="chapters-list-item"><span class="chapters-time">09:44</span><span class="chapters-text">Variable Filter Parameters</span></li>
            <li class="chapters-list-item"><span class="chapters-time">10:39</span><span class="chapters-text">Test Set-Up Overview</span></li>
            <li class="chapters-list-item"><span class="chapters-time">11:40</span><span class="chapters-text">Live Filter Analysis (Frequency- and Time-Domain)</span></li>
            <li class="chapters-list-item"><span class="chapters-time">15:39</span><span class="chapters-text">Live Guitar Demo</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.youtube.com/playlist?list=PLXSyc11qLa1ZCn0JCnaaXOWN6Z46rK9jd">DSP Playlist</a></li>
            <li class="links-list-item"><a href="https://www.youtube.com/playlist?list=PLXSyc11qLa1a4Tqbz228dPZfMrs-KRpzA">STM32 Firmware Playlist</a></li>
            <li class="links-list-item"><a href="https://www.youtube.com/watch?v=ysS4bIXFAsU&ab_channel=Phil%E2%80%99sLab">Notch Filters - Theory and Software Implementation - Phil´s Lab #39</a></li>
            <li class="links-list-item"><a href="https://www.youtube.com/watch?v=VDhmVrbSpqA&ab_channel=Phil%E2%80%99sLab">Digital Audio Processing with STM32 #1 - Introduction and Filters - Phil´s Lab #46</a></li>
            <li class="links-list-item"><a href="https://digilent.com/shop/analog-discovery-pro-3000-series-portable-high-resolution-mixed-signal-oscilloscopes/">Digilent ADP3450</a></li>

            <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>

Notch Filters - Digital Audio Processing with STM32 #2 - Phil's Lab #49

<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/nfIhuHXeAcY" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        Everyone is looking for experienced engineers, but how to become one when no one wants to hire you to get the experience?
    </div>
    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="https://youtu.be/Qm5pz_5Lt2g">
                Watch the full interview with Dave</a></li>
            <li class="links-list-item"><a href="https://www.youtube.com/c/EevblogDave">Dave's channel</a></li>
            <li class="links-list-item"><a href="https://www.eevblog.com/">Dave's website</a></li>
        </ul>
    </div>   
</div>


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What does an eye diagram show? Here is how you recognize problems - reflections, crosstalk and loss

Watch Differential Pair Fields and Currents in PCB

Are you the right person to design complex electronic boards?

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