<div class="entry-content">
    <div class="jetpack-video-wrapper"><span class="embed-youtube" style="text-align:center; display: block;"><iframe
                class="youtube-player"
                src="https://www.youtube.com/embed/9B66SqaYCZs?version=3&rel=1&showsearch=0&showinfo=1&iv_load_policy=1&fs=1&hl=en&autohide=2&wmode=transparent"
                allowfullscreen="true"
                style="border: 0px; display: block; margin: 0px; width: 740px; height: 416.418px;"
                sandbox="allow-scripts allow-same-origin allow-popups allow-presentation"
                data-ratio="0.5627272727272727" data-width="1100" data-height="619"></iframe></span>
    </div>
    <div class="blog-content">
        How the model of PCB used in high speed board simulations is created. 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">What is this video about</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">00:29</span><span class="chapters-text">What are s-Parameters, Why we need them</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">05:51</span><span class="chapters-text">How S-Parameters models are created</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">08:02</span><span class="chapters-text">Including components in simulations with S-Parameters</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">14:44</span><span class="chapters-text">What is in S-Parameters file?</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">17:10</span><span class="chapters-text">Opening and explaining S-Parameters file</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">23:04</span><span class="chapters-text">S-Parameters ports explained – what they are</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">26:09</span><span class="chapters-text">Floating ports</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">30:23</span><span class="chapters-text">S-Parameters numbers explained</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">30:59</span><span class="chapters-text">What ports to use when using S-Parameters model</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/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>

Must Know This to Understand High Speed PCB Layout Simulation | S-Parameters Explained, Eric Bogatin

<div class="entry-content">
    <div class="jetpack-video-wrapper"><span class="embed-youtube" style="text-align:center; display: block;"><iframe
                class="youtube-player"
                src="https://www.youtube.com/embed/kdCJxdR7L_I?version=3&rel=1&showsearch=0&showinfo=1&iv_load_policy=1&fs=1&hl=en&autohide=2&wmode=transparent"
                allowfullscreen="true"
                style="border: 0px; display: block; margin: 0px; width: 740px; height: 416.418px;"
                sandbox="allow-scripts allow-same-origin allow-popups allow-presentation"
                data-ratio="0.5627272727272727" data-width="1100" data-height="619"></iframe></span>
    </div>
    <div class="blog-content">
        Maybe you don’t need extra power layers in your PCB and using tracks for power distribution may be just ok. An interesting discussion with 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">00:35</span><span class="chapters-text">Maximum current through a PCB track</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">03:40</span><span class="chapters-text">Stackups: SGSS, SGSG, GSSG (S – Signal, G – GND)</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">10:31</span><span class="chapters-text">Stackups SGGS vs SGPS (P – Power)</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">37:10</span><span class="chapters-text">Real examples – Measured noise</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">54:55</span><span class="chapters-text">Real examples – Emissions</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/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>

Do You Really Need Power Planes? Are you sure? | Eric Bogatin

<div class="entry-content">
    <div class="jetpack-video-wrapper"><span class="embed-youtube" style="text-align:center; display: block;"><iframe
                class="youtube-player"
                src="https://www.youtube.com/embed/yQIBS5xwvVQ?version=3&rel=1&showsearch=0&showinfo=1&iv_load_policy=1&fs=1&hl=en&autohide=2&wmode=transparent"
                allowfullscreen="true"
                style="border: 0px; display: block; margin: 0px; width: 740px; height: 416.418px;"
                sandbox="allow-scripts allow-same-origin allow-popups allow-presentation"
                data-ratio="0.5627272727272727" data-width="1100" data-height="619"></iframe></span>
    </div>
    <div class="blog-content">
        Watch this animation to understand better how a signal is lost when travelling through a VIA.
    </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">Example 1: Single ended, no stitching VIA</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">06:08</span><span class="chapters-text">Example 2: Single ended, 1 stitching VIA</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">10:17</span><span class="chapters-text">Example 3: Single ended, 2 and 6 stitching VIAs</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">12:43</span><span class="chapters-text">VIA Analyzer – How far we can place stitching VIAs and how many we need</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">16:50</span><span class="chapters-text">Post layout analyzes</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">21:14</span><span class="chapters-text">Changing VIA impedance</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">32:45</span><span class="chapters-text">Example 4: Differential pair, no stitching VIA</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">36:10</span><span class="chapters-text">Example 5: Differential pair, 2 stitching VIAs</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">48:18</span><span class="chapters-text">1x VIA + 1x stitching VIA return current</span>
            </li>
            <li class="chapters-list-item">
                <span class="chapters-time">55:20</span><span class="chapters-text">About the software we were using + Prices</span>
            </li>
        </ul>
    </div>
    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="https://youtu.be/vrt3lL5gEb0">Unexpected Currents On The Other Side Of GND Plane</a></li>
            <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 website</a></li>
        </ul>
    </div>   
</div>


NOT in the Copper! 3D Animation of a Signal Through a VIA | Yuriy Shlepnev

<div class="entry-content"> <h2>The most common schematic errors / mistakes</h2> <ul> <li>Connection between <em>Receive </em>&lt;-&gt; <em>Transmit</em>, <em>Negative </em>&lt;-&gt; <em>Positive </em>is wrong (e.g. Transmit signal is connected to Transmit, but should be connected to Receive; Negative signal is connected to Positive, but should be connected to Negative)</li> <li><span style="line-height:24px;">Missing <em>Pull Up</em> / <em>Down </em>resistor</span></li> <li><span style="line-height:24px;">Missing junction (especially&nbsp;in cases when it needs to be added manually)</span></li> <li><span style="line-height:24px;">Swapped signals or net names (e.g on connector's or IC's pins)</span></li> <li><span style="line-height:24px;">NetName typographical error (don't type Netnames, but use Copy and Paste instead. This eliminates mistakes such RESET -&gt; RSET)</span></li> <li><span style="line-height:24px;">Circuit doesn't work as expected (if you don't use reference circuit, but design your own, be sure you check it many many times)</span></li> <li>Wrong voltage rail connected to power pin or pull up (e.g +5V and should be +3.3V)</li> <li>Timing issue (wrong <em>power </em>/ <em>reset </em>/ <em>initialization </em>sequencing,)</li> <li>After some additional changes you have done in schematic, you forget to change one of the net names</li> </ul> <h2>How to prevent Schematic mistakes and errors</h2> <p><em>Note: It's&nbsp;important&nbsp;you follow these steps after you finish whole schematic. Every additional change after the checking can bring new errors or mistakes.</em></p> <p>Print your schematic.</p> <p>1) Check schematic symbols. You can start with components with most pins. Open datasheet, go through every pin and compare datasheet pin <em>name</em>/<em>number </em>with pin <em>name</em>/<em>number </em>in your schematic. Make a small dot beside every checked pin.</p> <p>2) Check connection name. After the pin <em>name</em>/<em>number </em>checking we can now check net names. Go through every pin in your printed version of schematic and compare if the pin name is <em>same</em>/<em>similar </em>to the net name. Make a small dot beside every checked pin (use different colour or opposite site of the pin name as you used in point 1).</p> <p>3) Go through every reference circuit you used in your design and compare with your printed schematic. Is it same? Are the changes you made in the reference circuit correct? (e.g. new calculated voltage divider,) Use a red pen and circle parts what are different.</p> <p>4) For next step I would recommend Altium Designer&nbsp;as I found following method extremely useful and efficient. Altium Designer has a feature called <em>Interactive Navigation</em>. The navigation has four small windows:</p> <ul> <li>a window with list of all schematic pages in your design,</li> <li>a window with list of all components in the selected page,</li> <li>a window with list of all nets used in the selected page,</li> <li>a window with list of all pins which are connected to the selected net.</li> </ul> <p><em>Picture: Altium Designer â€“ Interactive Navigation (screenshot)</em><a href="http://www.fedevel.com/welldoneblog/wp-content/uploads/2012/01/Altium-Designer-Interactive-Navigation.jpg"><br> <img loading="lazy" data-attachment-id="1703" data-permalink="https://welldoneblog.fedevel.com/2012/01/20/5-tips-for-schematic-checking/altium-designer-interactive-navigation/" data-orig-file="https://welldoneblogfedevel.files.wordpress.com/2019/10/1ef6d-altium-designer-interactive-navigation.jpg" data-orig-size="801,695" data-comments-opened="1" data-image-meta="{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}" data-image-title="Altium Designer Interactive Navigation" data-image-description="" data-image-caption="" data-medium-file="https://welldoneblogfedevel.files.wordpress.com/2019/10/1ef6d-altium-designer-interactive-navigation.jpg?w=300" data-large-file="https://welldoneblogfedevel.files.wordpress.com/2019/10/1ef6d-altium-designer-interactive-navigation.jpg?w=801" class="alignnone size-full wp-image-1703" title="Altium Designer Interactive Navigation" src="https://i0.wp.com/www.fedevel.com/welldoneblog/wp-content/uploads/2012/01/Altium-Designer-Interactive-Navigation.jpg" alt="" width="801" height="695"></a></p> <p>During the procedure of schematic checking use Altium Designer <em>Interactive Navigation</em> and go through every page in the design, every net in the page and every pin in the net. Then look how and were each of the pins are connected. This way, all the nets are double-checked and also the connections can be seen from different points of view (e.g. one time we look on the net from output's view and later we look on the same net from input's view). Compare with reference circuits and datasheets (have a look what the pin's feature is and how it should be connected). See demonstration of&nbsp;<a href="http://youtu.be/JS_VWGzVRbY?t=4m18s" target="_blank">Altium Designer <em>Interactive Navigation </em>in this video</a> (starting at 4min 18sec).</p> <p>5) Imagine you have just connected your board to power. What will happen?<br> The current starts flows .. where and then? What power supply starts as first .. second when reset is generated, what happen when you press power button. Imagine your board is running what's happening?</p> <h2>Tips for Schematic symbol and PCB footprint Library checking</h2> <p><strong><em>Most common library errors&nbsp;are made when component doesn't fit into the footprint (footprint dimensions are not correct) or&nbsp;when&nbsp;pin numbering of footprint is wrong e.g:</em></strong></p> <ul> <li><em>some connectors are numbered from top to bottom, others are numbered from left to right;</em></li> <li><em>position of diode or transistor pins is wrong or pins are swapped (e.g Anode / Cathode / Gate / Source /)</em></li> </ul> <p>When a new component has been created in library:</p> <ul> <li>always compare pin names and pin numbers between component datasheet and the new schematic symbol</li> <li>always check if pin numbers in footprint are in correct order</li> <li>always measure dimensions of the new footprint (Reports-&gt;Measure Distance) and compare with datasheet</li> </ul> </div>

5 Tips for better Schematic checking

<div class="entry-content"> <p>This is one of the best features of Altium Designer!</p> <h2>Create professional BOMs (Bill Of Material)</h2> <p>Altium Designer can synchronize data from&nbsp;databases&nbsp;of major component suppliers. This will&nbsp;save you a lot of time as you don't need to add component parameters manually and&nbsp;your BOMs will be always very accurate (some of the parameters are updated at the moment you generate BOM e.g. stock, price,).&nbsp;Your current library can be easily updated to support Live Supplier Data (I have updated mine only in an hour or so).<br> It's worth it!</p> <h2>Why should I use Live Supplier Data?</h2> <ul> <li><strong><strong style="line-height:24px;">Save time from redesigning </strong></strong><strong style="line-height:24px;">/ </strong><strong><strong style="line-height:24px;">Lower board cost</strong><span style="font-weight:normal;line-height:24px;"> â€“ When you generate BOM </span></strong><span style="font-weight:normal;line-height:24px;">for your <em>Client</em>/<em>Boss </em></span><strong><span style="font-weight:normal;line-height:24px;">from finished or almost finished schematic</span><span style="font-weight:normal;line-height:24px;"> then you will provide them with very accurate cost per board in early design stage. Cost optimization (e.g. <em>removing</em>/<em>replacing </em>some circuits, using different components, ..) can be done even before you start layout. </span></strong></li> <li><strong>Be Pro, purchasing will love your BOMs</strong> â€“ People from purchasing department will have accurate data directly in your BOM. They don't need to dig them out by&nbsp;themselves. Also, when you add more than one supplier for your components, it's easy to compare price and stock information between them â€“ all directly in one BOM file.</li> <li><strong>Provide accurate quotations</strong> â€“ When working on quotation for a client or new product then create a draft schematic. The schematic doesn't need to be right or connected. Based on the new product specification, use parts of&nbsp;existing&nbsp;schematics or just place there a major components. Generate BOM and you will have a pretty good&nbsp;idea about real cost of the new product.</li> </ul> <p>Watch this video tutorial to see how easy it is to import component information from supplier database and how simple it is to generate BOMs with up-to-date price. Download the files used in the video <a href="http://www.fedevel.com/welldoneblog/wp-content/uploads/2012/02/Altium-Designer-Live-BOM-Example.zip">here</a>.</p> <div class="jetpack-video-wrapper"><span class="embed-youtube" style="text-align:center; display: block;"><iframe class="youtube-player" src="https://www.youtube.com/embed/XZzZtYYRu2U?version=3&amp;rel=0&amp;showsearch=0&amp;showinfo=1&amp;iv_load_policy=1&amp;fs=1&amp;hl=en&amp;autohide=2&amp;wmode=transparent" allowfullscreen="true" style="border: 0px; display: block; margin: 0px; width: 640px; height: 360px;" sandbox="allow-scripts allow-same-origin allow-popups allow-presentation" data-ratio="0.5625" data-width="640" data-height="360"></iframe></span></div> </div>

Altium Designer â€“ Create BOM & Library from Supplier's Data

<div class="entry-content"> <p>Now I can do Hardware Design also for companies without their own EDA software. I have got my own Altium Designer Licence. Read more about my skills &amp; experience <a href="http://www.fedevel.com/welldoneblog/2011/05/processor-board-design-that-is-what-i-do/">here</a>.</p> <p>Before I bought the licence, I checked offers from PADS and Cadence. Why have I decided for Altium? Read in&nbsp;<a href="http://www.fedevel.com/welldoneblog/2011/12/5x-why-to-choose-altium-designer-for-electronic-hardware-design/">5x Why choose Altium Designer for Electronic Hardware Design</a></p> <p><a href="http://www.fedevel.com/welldoneblog/wp-content/uploads/2012/01/altium-licence.jpg"><img loading="lazy" data-attachment-id="1738" data-permalink="https://welldoneblog.fedevel.com/2012/01/31/altium-designer-licence-fedevel-robertferanec-contractor-freelancer/altium-licence/" data-orig-file="https://welldoneblogfedevel.files.wordpress.com/2019/10/96316-altium-licence.jpg" data-orig-size="1019,516" data-comments-opened="1" data-image-meta="{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}" data-image-title="altium licence" data-image-description="" data-image-caption="" data-medium-file="https://welldoneblogfedevel.files.wordpress.com/2019/10/96316-altium-licence.jpg?w=300" data-large-file="https://welldoneblogfedevel.files.wordpress.com/2019/10/96316-altium-licence.jpg?w=1019" class="alignnone size-full wp-image-1738" title="altium licence" src="https://i0.wp.com/www.fedevel.com/welldoneblog/wp-content/uploads/2012/01/altium-licence.jpg" alt="" width="1019" height="516"></a></p> </div>

| KNOWLEDGE BASE

A rich source of expert knowledge

Altium Designer â€“ Robert Feranec â€“ Contractor / Freelancer

Newest Posts

Must Know This to Understand High Speed PCB Layout Simulation | S-Parameters Explained, Eric Bogatin

Do You Really Need Power Planes? Are you sure? | Eric Bogatin

NOT in the Copper! 3D Animation of a Signal Through a VIA | Yuriy Shlepnev

Categories

BUSINESS ADDRESS