Diode Does not Passing Voltage while Simulating Full Wave Rectifier in Advanced Design System (ADS)

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I am new on ADS so i'm still trying to learn but now having some problems with simulating the full wave rectifier circuit on the first image..." /> <meta property="og:description" content="Hi everyone. I am new on ADS so i'm still trying to learn but now having some problems with simulating the full wave rectifier circuit on the first image. The diode does not pass the voltage through. I tried to obtain something like this: Where am i doing wrong about it?" /> <meta property="twitter:description" content="Hi everyone. I am new on ADS so i'm still trying to learn but now having some problems with simulating the full wave rectifier circuit on the first image. 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It may not display this or other websites correctly.<br />You should upgrade or use an <a href="https://www.google.com/chrome/" target="_blank" rel="noopener">alternative browser</a>.</div> <div class="p-body-header"> <div class="p-title "> <h1 class="p-title-value">Diode Does not Passing Voltage while Simulating Full Wave Rectifier in Advanced Design System (ADS)</h1> </div> <div class="p-description"> <ul class="listInline listInline--bullet"> <li> <i class="fa--xf fal fa-user" aria-hidden="true" title="Thread starter"></i> <span class="u-srOnly">Thread starter</span> <a href="/members/edvan.690877/" class="username u-concealed" dir="auto" data-user-id="690877" data-xf-init="member-tooltip">Edvan</a> </li> <li> <i class="fa--xf fal fa-clock" aria-hidden="true" title="Start date"></i> <span class="u-srOnly">Start date</span> <a href="/threads/diode-does-not-passing-voltage-while-simulating-full-wave-rectifier-in-advanced-design-system-ads.412780/" class="u-concealed"><time class="u-dt" dir="auto" datetime="2024-10-21T14:34:20+0100" data-time="1729517660" data-date-string="Oct 21, 2024" data-time-string="2:34 PM" title="Oct 21, 2024 at 2:34 PM">Oct 21, 2024</time></a> </li> </ul> </div> </div> <div class="p-body-main p-body-main--withSidebar "> <div class="p-body-contentCol"></div> <div class="p-body-sidebarCol"></div> <div class="p-body-content">  <div id='div-gpt-eda_wallpaper'> <script> googletag.cmd.push(function() { googletag.display('div-gpt-eda_wallpaper'); }); </script> </div> <div class="p-body-pageContent"> <div class="block block--messages " data-xf-init="lightbox select-to-quote" data-message-selector=".js-post" data-lb-id="thread-412780"> <div class="block-outer"></div> <div class="block-outer js-threadStatusField"></div> <div class="block-container"> <div class="block-body"> <article class="message message--post js-post js-inlineModContainer " data-author="Edvan" data-content="post-1782645" id="js-post-1782645" > <span class="u-anchorTarget" id="post-1782645"></span> <div class="message-header"> <header class="message-attribution message-attribution--split"> <ul class="message-attribution-main listInline "> <li class="u-concealed"> <a href="/threads/diode-does-not-passing-voltage-while-simulating-full-wave-rectifier-in-advanced-design-system-ads.412780/post-1782645" rel="nofollow" > <time class="u-dt" dir="auto" datetime="2024-10-21T14:34:20+0100" data-time="1729517660" data-date-string="Oct 21, 2024" data-time-string="2:34 PM" title="Oct 21, 2024 at 2:34 PM">Oct 21, 2024</time> </a> </li> </ul> <ul class="message-attribution-opposite message-attribution-opposite--list "> <li> <a href="/threads/diode-does-not-passing-voltage-while-simulating-full-wave-rectifier-in-advanced-design-system-ads.412780/post-1782645" class="message-attribution-gadget" data-xf-init="share-tooltip" data-href="/posts/1782645/share" aria-label="Share" rel="nofollow"> <i class="fa--xf fal fa-share-alt" aria-hidden="true"></i> </a> </li> <li> <a href="/threads/diode-does-not-passing-voltage-while-simulating-full-wave-rectifier-in-advanced-design-system-ads.412780/post-1782645" rel="nofollow"> #1 </a> </li> </ul> </header> </div> <div class="message-inner"> <div class="message-cell message-cell--user"> <section class="message-user" > <div class="message-avatar "> <div class="message-avatar-wrapper"> <a href="/members/edvan.690877/" class="avatar avatar--m avatar--default avatar--default--dynamic" data-user-id="690877" data-xf-init="member-tooltip" style="background-color: #5cb8d6; color: #1a5366"> <span class="avatar-u690877-m" role="img" aria-label="Edvan">E</span> </a> </div> </div> <div class="message-userDetails"> <h4 class="message-name"><a href="/members/edvan.690877/" class="username " dir="auto" data-user-id="690877" data-xf-init="member-tooltip">Edvan</a></h4> <h5 class="userTitle message-userTitle" dir="auto">Newbie</h5> </div> <img src="/styles/images/ranks/alevel1.gif" alt="Newbie level 1"> <div class="message-userExtras"> <dl class="pairs pairs--justified joinedBlock"> <dt>Joined</dt> <dd>Oct 21, 2024</dd> </dl> <dl class="pairs pairs--justified pairs--xbBoxed"> <dt>Messages</dt> <dd>1</dd> </dl> <dl class="pairs pairs--justified"> <dt> Helped</dt> <dd>0</dd> </dl> <dl class="pairs pairs--justified"> <dt>Reputation </dt> <dd> <a href="/reputation/authors/edvan.690877" class="fauxBlockLink-linkRow u-concealed">0</a> </dd> </dl> <dl class="pairs pairs--justified"> <dt>Reaction score</dt> <dd>0</dd> </dl> <dl class="pairs pairs--justified pairs--xbBoxed trophyBlock"> <dt>Trophy points</dt> <dd>1</dd> </dl> <dl class="pairs pairs--justified creditBlock"> <dt title="Activity points">Activity points</dt> <dd> <a href="/activity/" data-xf-click="overlay" class="fauxBlockLink-blockLink u-concealed"> 23 </a> </dd> </dl> </div> <span class="message-userArrow"></span> </section> </div> <div class="message-cell message-cell--main"> <div class="message-main js-quickEditTarget"> <div class="message-content js-messageContent"> <div class="message-userContent lbContainer js-lbContainer " data-lb-id="post-1782645" data-lb-caption-desc="Edvan · Oct 21, 2024 at 2:34 PM"> <article class="message-body js-selectToQuote"> <div > <div class="bbWrapper">Hi everyone. I am new on ADS so i'm still trying to learn but now having some problems with simulating the full wave rectifier circuit on the first image. The diode does not pass the voltage through.<br /> <script class="js-extraPhrases" type="application/json"> { "lightbox_close": "Close", "lightbox_next": "Next", "lightbox_previous": "Previous", "lightbox_error": "The requested content cannot be loaded. Please try again later.", "lightbox_start_slideshow": "Start slideshow", "lightbox_stop_slideshow": "Stop slideshow", "lightbox_full_screen": "Full screen", "lightbox_thumbnails": "Thumbnails", "lightbox_download": "Download", "lightbox_share": "Share", "lightbox_zoom": "Zoom", "lightbox_new_window": "New window", "lightbox_toggle_sidebar": "Toggle sidebar" } </script> <a href="https://www.edaboard.com/attachments/pre2-jpg.194757/" target="_blank" class="js-lbImage" data-lb-sidebar-href="" data-lb-caption-extra-html=""><img src="https://www.edaboard.com/data/attachments/124/124857-d2705ab0d604e6e7fea287dba20c66db.jpg" class="bbImage " style="" alt="pre2.jpg" title="pre2.jpg" width="280" height="150" loading="lazy" /></a><br /> <a href="https://www.edaboard.com/attachments/pre3-jpg.194758/" target="_blank" class="js-lbImage" data-lb-sidebar-href="" data-lb-caption-extra-html=""><img src="https://www.edaboard.com/data/attachments/124/124858-10479903e710742d4e6bbc6b5bc50fcb.jpg" class="bbImage " style="" alt="pre3.jpg" title="pre3.jpg" width="269" height="150" loading="lazy" /></a><br /> <br /> I tried to obtain something like this:<br /> <br /> <a href="https://www.edaboard.com/attachments/pre4-png.194759/" target="_blank" class="js-lbImage" data-lb-sidebar-href="" data-lb-caption-extra-html=""><img src="https://www.edaboard.com/data/attachments/124/124859-98a3662917b6cc574b68d3cfbecb9b0e.jpg" class="bbImage " style="" alt="pre4.png" title="pre4.png" width="151" height="150" loading="lazy" /></a><br /> <a href="https://www.edaboard.com/attachments/pre7-png.194762/" target="_blank" class="js-lbImage" data-lb-sidebar-href="" data-lb-caption-extra-html=""><img src="https://www.edaboard.com/data/attachments/124/124862-6b31e20d2fd8162aea6eaf134e781406.jpg" class="bbImage " style="" alt="pre7.png" title="pre7.png" width="290" height="150" loading="lazy" /></a><br /> <br /> Where am i doing wrong about it?</div> </div> <div class="js-selectToQuoteEnd"> </div> </article> <section class="message-attachments"> <h4 class="block-textHeader">Attachments</h4> <ul class="attachmentList"> <li class="file file--linked"> <a class="u-anchorTarget" id="attachment-194763"></a> <a class="file-preview js-lbImage" data-lb-sidebar-href="" data-lb-caption-extra-html="" href="/attachments/pre8-png.194763/" target="_blank"> <img src="/data/attachments/124/124863-703e0e1e50e3c79b9756439c18d42edc.jpg" alt="pre8.png" width="276" height="150" loading="lazy" /> </a> <div class="file-content"> <div class="file-info"> <span class="file-name" title="pre8.png">pre8.png</span> <div class="file-meta"> 30.6 KB · Views: 36 </div> </div> </div> </li> </ul> </section> </div> </div> <footer class="message-footer"> <div class="message-actionBar actionBar"> <div class="actionBar-set actionBar-set--external"> <a href="/threads/diode-does-not-passing-voltage-while-simulating-full-wave-rectifier-in-advanced-design-system-ads.412780/reply?quote=1782645" class="actionBar-action 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href="/threads/diode-does-not-passing-voltage-while-simulating-full-wave-rectifier-in-advanced-design-system-ads.412780/post-1782652" rel="nofollow"> #2 </a> </li> </ul> </header> </div> <div class="message-inner"> <div class="message-cell message-cell--user"> <section class="message-user" itemprop="author" itemscope itemtype="https://schema.org/Person" itemid="https://www.edaboard.com/members/klausst.544298/"> <meta itemprop="url" content="https://www.edaboard.com/members/klausst.544298/" /> <div class="message-avatar "> <div class="message-avatar-wrapper"> <a href="/members/klausst.544298/" class="avatar avatar--m" data-user-id="544298" data-xf-init="member-tooltip"> <img src="/data/avatars/m/544/544298.jpg?1591959018" srcset="/data/avatars/l/544/544298.jpg?1591959018 2x" alt="KlausST" class="avatar-u544298-m" width="96" height="96" loading="lazy" itemprop="image" /> </a> </div> </div> <div class="message-userDetails"> <h4 class="message-name"><a href="/members/klausst.544298/" class="username " dir="auto" data-user-id="544298" data-xf-init="member-tooltip"><span itemprop="name">KlausST</span></a></h4> <h5 class="userTitle message-userTitle" dir="auto" itemprop="jobTitle">Advanced Member level 7</h5> </div> <img src="/styles/images/ranks/hlevel4.gif" alt="Advanced Member level 7"> <div class="message-userExtras"> <dl class="pairs pairs--justified joinedBlock"> <dt>Joined</dt> <dd>Apr 17, 2014</dd> </dl> <dl class="pairs pairs--justified pairs--xbBoxed"> <dt>Messages</dt> <dd>26,161</dd> </dl> <dl class="pairs pairs--justified"> <dt> Helped</dt> <dd>4,923</dd> </dl> <dl class="pairs pairs--justified"> <dt>Reputation </dt> <dd> <a href="/reputation/authors/klausst.544298" class="fauxBlockLink-linkRow u-concealed">9,869</a> </dd> </dl> <dl class="pairs pairs--justified"> <dt>Reaction score</dt> <dd>5,771</dd> </dl> <dl class="pairs pairs--justified pairs--xbBoxed trophyBlock"> <dt>Trophy points</dt> <dd>1,393</dd> </dl> <dl class="pairs pairs--justified 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This is not a suitable test condition at all. <br /> <br /> On the other hand it does not explain the flat line on 2B. <br /> Also: did you notice that there is no suitable Y scale on the picture 2B?<br /> <br /> Klaus</div> </div> <div class="js-selectToQuoteEnd"> </div> </article> </div> </div> <footer class="message-footer"> <div class="message-microdata" itemprop="interactionStatistic" itemtype="https://schema.org/InteractionCounter" itemscope> <meta itemprop="userInteractionCount" content="0" /> <meta itemprop="interactionType" content="https://schema.org/LikeAction" /> </div> <div class="message-actionBar actionBar"> <div class="actionBar-set actionBar-set--external"> <a href="/threads/diode-does-not-passing-voltage-while-simulating-full-wave-rectifier-in-advanced-design-system-ads.412780/reply?quote=1782652" class="actionBar-action actionBar-action--reply" title="Reply, quoting this message" rel="nofollow" data-xf-click="quote" data-quote-href="/posts/1782652/quote">Reply</a> 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</ul> </header> </div> <div class="message-inner"> <div class="message-cell message-cell--user"> <section class="message-user" itemprop="author" itemscope itemtype="https://schema.org/Person" itemid="https://www.edaboard.com/members/bigboss.1266/"> <meta itemprop="url" content="https://www.edaboard.com/members/bigboss.1266/" /> <div class="message-avatar "> <div class="message-avatar-wrapper"> <a href="/members/bigboss.1266/" class="avatar avatar--m" data-user-id="1266" data-xf-init="member-tooltip"> <img src="/data/avatars/m/1/1266.jpg?1591464943" srcset="/data/avatars/l/1/1266.jpg?1591464943 2x" alt="BigBoss" class="avatar-u1266-m" width="96" height="96" loading="lazy" itemprop="image" /> </a> </div> </div> <div class="message-userDetails"> <h4 class="message-name"><a href="/members/bigboss.1266/" class="username " dir="auto" data-user-id="1266" data-xf-init="member-tooltip"><span itemprop="name">BigBoss</span></a></h4> <h5 class="userTitle message-userTitle" dir="auto" 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class="pairs pairs--justified creditBlock"> <dt title="Activity points">Activity points</dt> <dd> <a href="/activity/" data-xf-click="overlay" class="fauxBlockLink-blockLink u-concealed"> 36,425 </a> </dd> </dl> </div> <span class="message-userArrow"></span> </section> </div> <div class="message-cell message-cell--main"> <div class="message-main js-quickEditTarget"> <div class="message-content js-messageContent"> <div class="message-userContent lbContainer js-lbContainer " data-lb-id="post-1782660" data-lb-caption-desc="BigBoss · Oct 21, 2024 at 5:10 PM"> <article class="message-body js-selectToQuote"> <div itemprop="text"> <div class="bbWrapper">Because you do an AC simulation that is not convenient for this circuit. AC simulation is a Small Signal Simulation and it linearizes nonlinear elements around operating point and computes small signal responses.<br /> Instead you have to do either Transient OR HB Simulation in order to see Time Domain/Frequency Domain Waveforms.</div> </div> <div class="js-selectToQuoteEnd"> </div> </article> </div> </div> <footer class="message-footer"> <div class="message-microdata" itemprop="interactionStatistic" itemtype="https://schema.org/InteractionCounter" itemscope> <meta itemprop="userInteractionCount" content="0" /> <meta itemprop="interactionType" content="https://schema.org/LikeAction" /> </div> <div class="message-actionBar actionBar"> <div class="actionBar-set actionBar-set--external"> <a href="/threads/diode-does-not-passing-voltage-while-simulating-full-wave-rectifier-in-advanced-design-system-ads.412780/reply?quote=1782660" class="actionBar-action actionBar-action--reply" title="Reply, quoting this message" rel="nofollow" data-xf-click="quote" 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class="u-concealed"> <a href="/threads/diode-does-not-passing-voltage-while-simulating-full-wave-rectifier-in-advanced-design-system-ads.412780/post-1782664" rel="nofollow" itemprop="url"> <time class="u-dt" dir="auto" datetime="2024-10-21T19:16:37+0100" data-time="1729534597" data-date-string="Oct 21, 2024" data-time-string="7:16 PM" title="Oct 21, 2024 at 7:16 PM" itemprop="datePublished">Oct 21, 2024</time> </a> </li> </ul> <ul class="message-attribution-opposite message-attribution-opposite--list "> <li> <a href="/threads/diode-does-not-passing-voltage-while-simulating-full-wave-rectifier-in-advanced-design-system-ads.412780/post-1782664" class="message-attribution-gadget" data-xf-init="share-tooltip" data-href="/posts/1782664/share" aria-label="Share" rel="nofollow"> <i class="fa--xf fal fa-share-alt" aria-hidden="true"></i> </a> </li> <li> <a href="/threads/diode-does-not-passing-voltage-while-simulating-full-wave-rectifier-in-advanced-design-system-ads.412780/post-1782664" rel="nofollow"> #4 </a> </li> </ul> </header> </div> <div class="message-inner"> <div class="message-cell message-cell--user"> <section class="message-user" itemprop="author" itemscope itemtype="https://schema.org/Person" itemid="https://www.edaboard.com/members/d-a-tony-stewart.134022/"> <meta itemprop="url" content="https://www.edaboard.com/members/d-a-tony-stewart.134022/" /> <div class="message-avatar message-avatar--online"> <div class="message-avatar-wrapper"> <a href="/members/d-a-tony-stewart.134022/" class="avatar avatar--m" data-user-id="134022" data-xf-init="member-tooltip"> <img src="/data/avatars/m/134/134022.jpg?1703022794" alt="D.A.(Tony)Stewart" class="avatar-u134022-m" width="96" height="96" loading="lazy" itemprop="image" /> </a> <span class="message-avatar-online" tabindex="0" data-xf-init="tooltip" data-trigger="auto" title="Online now"></span> </div> </div> <div class="message-userDetails"> <h4 class="message-name"><a href="/members/d-a-tony-stewart.134022/" class="username " dir="auto" data-user-id="134022" data-xf-init="member-tooltip"><span itemprop="name">D.A.(Tony)Stewart</span></a></h4> <h5 class="userTitle message-userTitle" dir="auto" itemprop="jobTitle">Advanced Member level 7</h5> </div> <img src="/styles/images/ranks/hlevel4.gif" alt="Advanced Member level 7"> <div class="message-userExtras"> <dl class="pairs pairs--justified joinedBlock"> <dt>Joined</dt> <dd>Sep 26, 2007</dd> </dl> <dl class="pairs pairs--justified pairs--xbBoxed"> <dt>Messages</dt> <dd>9,872</dd> </dl> <dl class="pairs pairs--justified"> <dt> Helped</dt> <dd>1,855</dd> </dl> <dl class="pairs pairs--justified"> <dt>Reputation </dt> <dd> <a href="/reputation/authors/d-a-tony-stewart.134022" class="fauxBlockLink-linkRow u-concealed">3,711</a> </dd> </dl> <dl class="pairs pairs--justified"> <dt>Reaction score</dt> <dd>2,409</dd> </dl> <dl class="pairs pairs--justified pairs--xbBoxed trophyBlock"> <dt>Trophy points</dt> <dd>1,413</dd> </dl> <dl class="pairs 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What would you expect to happen if the real 1N4004 has about 100 pF near 0V and 15 pF max (10 pF typ) @ -4V during the insulation state?<br /> What would you expect if the pad pitch was 2 cm and were told it was about 5 to 10 nH/cm during the conductor state including traces?<br /> <br /> 100 pF is almost 1 Ohm at 1GHz<br /> 10 nH is a little over 50 Ohms at 1GHz<br /> <br /> With only 1k Load and no cap with some ESR, it looks more like a 50 ohm reactance bridge with the diodes bypassed with a 1 Ohm cap.<br /> <br /> You will see that silicon diode Rs is inverse with max case power rating and inverse with junction capacitance too when you look closely at datasheets or examine in a spreadsheet and that parasitic inductance is predictable for a known log(length/width) ratio and trace capacitance is a ratio of area to gap for some dielectric on each side.<br /> <br /> <b>Consider every schematic as a "logic diagram" and not an analog diagram until you learn the parasitics of all parts. ESR, ESL, Rp, Rs, Cp.</b><br /> <br /> Also there are no ideal voltage sources they all have an Rs and RF prefers a std. 50 Ohms for MPT.<br /> Also no capacitors or batteries are ideal, so learn to include the analog values like ESR in SMPS schematics and Rs for inductors and for 10850 batteries 10kF + 50mohm for a good Li ion cell with some pre-charge voltage like 3.7 but even that neglects the memory effects charged during CV. Like all double-layer electrolytics and other caps to some extent, a certain % of voltage returns after very brief short circuit.<br /> <br /> <b>Welcome to the real world.</b><br /> <br /> By the way can you guess the self resonant frequency of the obsolete 1N4004?<br /> Next time you get a spectrum analyzer try a small signal SRF test.</div> </div> <div class="js-selectToQuoteEnd"> </div> </article> </div> <div class="message-lastEdit"> Last edited: <time class="u-dt" dir="auto" datetime="2024-10-21T19:28:07+0100" data-time="1729535287" data-date-string="Oct 21, 2024" data-time-string="7:28 PM" title="Oct 21, 2024 at 7:28 PM" itemprop="dateModified">Oct 21, 2024</time> </div> </div> <footer class="message-footer"> <div class="message-microdata" itemprop="interactionStatistic" itemtype="https://schema.org/InteractionCounter" itemscope> <meta itemprop="userInteractionCount" content="0" /> <meta itemprop="interactionType" content="https://schema.org/LikeAction" /> </div> <div 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class="message-userArrow"></span> </section> </div> <div class="message-cell message-cell--main"> <div class="message-main js-quickEditTarget"> <div class="message-content js-messageContent"> <div class="message-userContent lbContainer js-lbContainer " data-lb-id="post-1782672" data-lb-caption-desc="FvM · Oct 21, 2024 at 10:11 PM"> <article class="message-body js-selectToQuote"> <div itemprop="text"> <div class="bbWrapper">To match figure 2B set Freq to 50 or 60 Hz.</div> </div> <div class="js-selectToQuoteEnd"> </div> </article> </div> </div> <footer class="message-footer"> <div class="message-microdata" itemprop="interactionStatistic" itemtype="https://schema.org/InteractionCounter" itemscope> <meta itemprop="userInteractionCount" content="0" /> <meta itemprop="interactionType" content="https://schema.org/LikeAction" /> </div> <div class="message-actionBar actionBar"> <div class="actionBar-set actionBar-set--external"> <a 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Are you sure you want to submit this form?", attach: "Attach files", rich_text_box: "Rich text box", close: "Close", link_copied_to_clipboard: "Link copied to clipboard.", text_copied_to_clipboard: "Text copied to clipboard.", loading: "Loading…", you_have_exceeded_maximum_number_of_selectable_items: "You have exceeded the maximum number of selectable items.", processing: "Processing", 'processing...': "Processing…", showing_x_of_y_items: "Showing {count} of {total} items", showing_all_items: "Showing all items", no_items_to_display: "No items to display", number_button_up: "Increase", number_button_down: "Decrease", push_enable_notification_title: "Push notifications enabled successfully at Forum for Electronics", push_enable_notification_body: "Thank you for enabling push notifications!", pull_down_to_refresh: "Pull down to refresh", release_to_refresh: "Release to refresh", refreshing: "Refreshing…" , "svStandardLib_time.day": "{count} day", "svStandardLib_time.days": "{count} days", "svStandardLib_time.hour": "{count} hour", "svStandardLib_time.hours": "{count} hours", "svStandardLib_time.minute": "{count} minutes", "svStandardLib_time.minutes": "{count} minutes", "svStandardLib_time.month": "{count} month", "svStandardLib_time.months": "{count} months", "svStandardLib_time.second": "{count} second", "svStandardLib_time.seconds": "{count} seconds", "svStandardLib_time.week": "time.week", "svStandardLib_time.weeks": "{count} weeks", "svStandardLib_time.year": "{count} year", "svStandardLib_time.years": "{count} years" }); </script> <form style="display:none" hidden="hidden"> <input type="text" name="_xfClientLoadTime" value="" id="_xfClientLoadTime" title="_xfClientLoadTime" tabindex="-1" /> </form>  <script type="application/ld+json"> { "@context": "https://schema.org", "@type": "QAPage", "url": "https://www.edaboard.com/threads/diode-does-not-passing-voltage-while-simulating-full-wave-rectifier-in-advanced-design-system-ads.412780/", "mainEntity": { "@type": "Question", "@id": "https://www.edaboard.com/threads/diode-does-not-passing-voltage-while-simulating-full-wave-rectifier-in-advanced-design-system-ads.412780/", "name": "Diode Does not Passing Voltage while Simulating Full Wave Rectifier in Advanced Design System (ADS)", "datePublished": "2024-10-21T13:34:20+00:00", "url": "https://www.edaboard.com/threads/diode-does-not-passing-voltage-while-simulating-full-wave-rectifier-in-advanced-design-system-ads.412780/", "image": "https://www.edaboard.com/attachments/pre2-jpg.194757/", "text": "Hi everyone. I am new on ADS so i'm still trying to learn but now having some problems with simulating the full wave rectifier circuit on the first image. The diode does not pass the voltage through.\n\n\n\nI tried to obtain something like this:\n\n\n\n\nWhere am i doing wrong about it?", "answerCount": 4, "upvoteCount": 0, "author": { "@type": "Person", "@id": "https://www.edaboard.com/members/edvan.690877/", "name": "Edvan", "url": "https://www.edaboard.com/members/edvan.690877/" }, "suggestedAnswer": [ { "@type": "Answer", "datePublished": "2024-10-21T21:11:23+00:00", "url": "https://www.edaboard.com/posts/1782672/", "text": "To match figure 2B set Freq to 50 or 60 Hz.", "upvoteCount": 0, "author": { "@type": "Person", "@id": "https://www.edaboard.com/members/fvm.152255/", "name": "FvM", "url": "https://www.edaboard.com/members/fvm.152255/" } }, { "@type": "Answer", "datePublished": "2024-10-21T18:16:37+00:00", "dateModified": "2024-10-21T18:28:07+00:00", "url": "https://www.edaboard.com/posts/1782664/", "text": "You are also new to realistic component models. \nALL PARTS HAVE RLC VALUES.\n\nWhat would you expect to happen if the real 1N4004 has about 100 pF near 0V and 15 pF max (10 pF typ) @ -4V during the insulation state?\nWhat would you expect if the pad pitch was 2 cm and were told it was about 5 to 10 nH/cm during the conductor state including traces?\n\n 100 pF is almost 1 Ohm at 1GHz\n10 nH is a little over 50 Ohms at 1GHz\n\nWith only 1k Load and no cap with some ESR, it looks more like a 50 ohm reactance bridge with the diodes bypassed with a 1 Ohm cap.\n\nYou will see that silicon diode Rs is inverse with max case power rating and inverse with junction capacitance too when you look closely at datasheets or examine in a spreadsheet and that parasitic inductance is predictable for a known log(length/width) ratio and trace capacitance is a ratio of area to gap for some dielectric on each side.\n\nConsider every schematic as a \"logic diagram\" and not an analog diagram until you learn the parasitics of all parts. ESR, ESL, Rp, Rs, Cp.\n\nAlso there are no ideal voltage sources they all have an Rs and RF prefers a std. 50 Ohms for MPT.\nAlso no capacitors or batteries are ideal, so learn to include the analog values like ESR in SMPS schematics and Rs for inductors and for 10850 batteries 10kF + 50mohm for a good Li ion cell with some pre-charge voltage like 3.7 but even that neglects the memory effects charged during CV. Like all double-layer electrolytics and other caps to some extent, a certain % of voltage returns after very brief short circuit.\n\nWelcome to the real world.\n\nBy the way can you guess the self resonant frequency of the obsolete 1N4004?\nNext time you get a spectrum analyzer try a small signal SRF test.", "upvoteCount": 0, "author": { "@type": "Person", "@id": "https://www.edaboard.com/members/d-a-tony-stewart.134022/", "name": "D.A.(Tony)Stewart", "url": "https://www.edaboard.com/members/d-a-tony-stewart.134022/" } }, { "@type": "Answer", "datePublished": "2024-10-21T16:10:24+00:00", "url": "https://www.edaboard.com/posts/1782660/", "text": "Because you do an AC simulation that is not convenient for this circuit. AC simulation is a Small Signal Simulation and it linearizes nonlinear elements around operating point and computes small signal responses.\nInstead you have to do either Transient OR HB Simulation in order to see Time Domain/Frequency Domain Waveforms.", "upvoteCount": 0, "author": { "@type": "Person", "@id": "https://www.edaboard.com/members/bigboss.1266/", "name": "BigBoss", "url": "https://www.edaboard.com/members/bigboss.1266/" } } ] }, "publisher": { "@type": "Organization", "name": "Forum for Electronics", "description": "International Electronics Discussion Forum: EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals", "url": "https://www.edaboard.com" } } </script> <script> $(function(){ var notice = $('.xb-welcome-notice'); if(notice.length){ var cookie = XF.Cookie.get('hide_welcome_notice'); if(!cookie){ XF.Cookie.set('hide_welcome_notice', Date.now()); notice.show(); } else if ((Date.now() - cookie) > 8.64e+7){ XF.Cookie.set('hide_welcome_notice', Date.now()); notice.show(); } else { notice.hide(); } } }); </script> </div> </body> </html>

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Diode Does not Passing Voltage while Simulating Full Wave Rectifier in Advanced Design System (ADS) | Forum for Electronics