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vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Sadržaj</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">premjesti</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">sakrij</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">Početak</div> </a> </li> <li id="toc-Trioda" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Trioda"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Trioda</span> </div> </a> <ul id="toc-Trioda-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Izvori" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Izvori"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Izvori</span> </div> </a> <ul id="toc-Izvori-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Sadržaj" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Prikaz sadržaja stranice" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Prikaz sadržaja stranice</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Lee de Forest</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Idi na druge jezične varijante članka. Dostupan je na 51 jeziku" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-51" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">51 jezik</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D9%84%D9%8A_%D8%AF%D9%8A_%D9%81%D9%88%D8%B1%D8%B3%D8%AA" title="لي دي فورست – arapski" lang="ar" hreflang="ar" data-title="لي دي فورست" data-language-autonym="العربية" data-language-local-name="arapski" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-arz mw-list-item"><a href="https://arz.wikipedia.org/wiki/%D9%84%D9%89_%D8%AF%D9%89_%D9%81%D9%88%D8%B1%D8%B3%D8%AA" title="لى دى فورست – Egyptian Arabic" lang="arz" hreflang="arz" data-title="لى دى فورست" data-language-autonym="مصرى" data-language-local-name="Egyptian Arabic" class="interlanguage-link-target"><span>مصرى</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Lee_De_Forest" title="Lee De Forest – asturijski" lang="ast" hreflang="ast" data-title="Lee De Forest" data-language-autonym="Asturianu" data-language-local-name="asturijski" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%9B%D1%96_%D0%B4%D1%8D_%D0%A4%D0%BE%D1%80%D1%8D%D1%81%D1%82" title="Лі дэ Форэст – bjeloruski" lang="be" hreflang="be" data-title="Лі дэ Форэст" data-language-autonym="Беларуская" data-language-local-name="bjeloruski" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/%D0%9B%D1%96_%D0%B4%D1%8D_%D0%A4%D0%BE%D1%80%D1%8D%D1%81%D1%82" title="Лі дэ Форэст – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Лі дэ Форэст" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="Belarusian (Taraškievica orthography)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%9B%D0%B8%D0%B9_%D0%B4%D0%B5_%D0%A4%D0%BE%D1%80%D0%B5%D1%81%D1%82" title="Лий де Форест – bugarski" lang="bg" hreflang="bg" data-title="Лий де Форест" data-language-autonym="Български" data-language-local-name="bugarski" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Lee_De_Forest" title="Lee De Forest – katalonski" lang="ca" hreflang="ca" data-title="Lee De Forest" data-language-autonym="Català" data-language-local-name="katalonski" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Lee_de_Forest" title="Lee de Forest – češki" lang="cs" hreflang="cs" data-title="Lee de Forest" data-language-autonym="Čeština" data-language-local-name="češki" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Lee_De_Forest" title="Lee De Forest – danski" lang="da" hreflang="da" data-title="Lee De Forest" data-language-autonym="Dansk" data-language-local-name="danski" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Lee_De_Forest" title="Lee De Forest – njemački" lang="de" hreflang="de" data-title="Lee De Forest" data-language-autonym="Deutsch" data-language-local-name="njemački" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%9B%CE%B7_%CE%BD%CF%84%CE%B5_%CE%A6%CF%8C%CF%81%CE%B5%CF%83%CF%84" title="Λη ντε Φόρεστ – grčki" lang="el" hreflang="el" data-title="Λη ντε Φόρεστ" data-language-autonym="Ελληνικά" data-language-local-name="grčki" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Lee_de_Forest" title="Lee de Forest – engleski" lang="en" hreflang="en" data-title="Lee de Forest" data-language-autonym="English" data-language-local-name="engleski" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Lee_De_Forest" title="Lee De Forest – esperanto" lang="eo" hreflang="eo" data-title="Lee De Forest" data-language-autonym="Esperanto" data-language-local-name="esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Lee_De_Forest" title="Lee De Forest – španjolski" lang="es" hreflang="es" data-title="Lee De Forest" data-language-autonym="Español" data-language-local-name="španjolski" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Lee_De_Forest" title="Lee De Forest – estonski" lang="et" hreflang="et" data-title="Lee De Forest" data-language-autonym="Eesti" data-language-local-name="estonski" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Lee_de_Forest" title="Lee de Forest – baskijski" lang="eu" hreflang="eu" data-title="Lee de Forest" data-language-autonym="Euskara" data-language-local-name="baskijski" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D9%84%DB%8C_%D8%AF%D9%81%D8%A7%D8%B1%D8%B3%D8%AA" title="لی دفارست – perzijski" lang="fa" hreflang="fa" data-title="لی دفارست" data-language-autonym="فارسی" data-language-local-name="perzijski" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Lee_De_Forest" title="Lee De Forest – finski" lang="fi" hreflang="fi" data-title="Lee De Forest" data-language-autonym="Suomi" data-language-local-name="finski" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Lee_De_Forest" title="Lee De Forest – francuski" lang="fr" hreflang="fr" data-title="Lee De Forest" data-language-autonym="Français" data-language-local-name="francuski" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Lee_De_Forest" title="Lee De Forest – irski" lang="ga" hreflang="ga" data-title="Lee De Forest" data-language-autonym="Gaeilge" data-language-local-name="irski" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Lee_De_Forest" title="Lee De Forest – galicijski" lang="gl" hreflang="gl" data-title="Lee De Forest" data-language-autonym="Galego" data-language-local-name="galicijski" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%9C%D7%99_%D7%93%D7%94_%D7%A4%D7%95%D7%A8%D7%A1%D7%98" title="לי דה פורסט – hebrejski" lang="he" hreflang="he" data-title="לי דה פורסט" data-language-autonym="עברית" data-language-local-name="hebrejski" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Lee_De_Forest" title="Lee De Forest – indonezijski" lang="id" hreflang="id" data-title="Lee De Forest" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonezijski" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-io mw-list-item"><a href="https://io.wikipedia.org/wiki/Lee_de_Forest" title="Lee de Forest – ido" lang="io" hreflang="io" data-title="Lee de Forest" data-language-autonym="Ido" data-language-local-name="ido" class="interlanguage-link-target"><span>Ido</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Lee_De_Forest" title="Lee De Forest – talijanski" lang="it" hreflang="it" data-title="Lee De Forest" data-language-autonym="Italiano" data-language-local-name="talijanski" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%83%AA%E3%83%BC%E3%83%BB%E3%83%89%E3%83%BB%E3%83%95%E3%82%A9%E3%83%AC%E3%82%B9%E3%83%88" title="リー・ド・フォレスト – japanski" lang="ja" hreflang="ja" data-title="リー・ド・フォレスト" data-language-autonym="日本語" data-language-local-name="japanski" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-jv mw-list-item"><a href="https://jv.wikipedia.org/wiki/Lee_De_Forest" title="Lee De Forest – javanski" lang="jv" hreflang="jv" data-title="Lee De Forest" data-language-autonym="Jawa" data-language-local-name="javanski" class="interlanguage-link-target"><span>Jawa</span></a></li><li class="interlanguage-link interwiki-kn mw-list-item"><a href="https://kn.wikipedia.org/wiki/%E0%B2%B2%E0%B3%80_%E0%B2%A1%E0%B3%80_%E0%B2%AB%E0%B2%BE%E0%B2%B0%E0%B3%86%E0%B2%B8%E0%B3%8D%E0%B2%9F%E0%B3%8D%E2%80%8C" title="ಲೀ ಡೀ ಫಾರೆಸ್ಟ್‌ – karnatački" lang="kn" hreflang="kn" data-title="ಲೀ ಡೀ ಫಾರೆಸ್ಟ್‌" data-language-autonym="ಕನ್ನಡ" data-language-local-name="karnatački" class="interlanguage-link-target"><span>ಕನ್ನಡ</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EB%A6%AC_%EB%94%94%ED%8F%AC%EB%A6%AC%EC%8A%A4%ED%8A%B8" title="리 디포리스트 – korejski" lang="ko" hreflang="ko" data-title="리 디포리스트" data-language-autonym="한국어" data-language-local-name="korejski" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-mg mw-list-item"><a href="https://mg.wikipedia.org/wiki/Lee_De_Forest" title="Lee De Forest – malgaški" lang="mg" hreflang="mg" data-title="Lee De Forest" data-language-autonym="Malagasy" data-language-local-name="malgaški" class="interlanguage-link-target"><span>Malagasy</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Lee_De_Forest" title="Lee De Forest – nizozemski" lang="nl" hreflang="nl" data-title="Lee De Forest" data-language-autonym="Nederlands" data-language-local-name="nizozemski" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Lee_De_Forest" title="Lee De Forest – norveški bokmål" lang="nb" hreflang="nb" data-title="Lee De Forest" data-language-autonym="Norsk bokmål" data-language-local-name="norveški bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Lee_De_Forest" title="Lee De Forest – poljski" lang="pl" hreflang="pl" data-title="Lee De Forest" data-language-autonym="Polski" data-language-local-name="poljski" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Lee_De_Forest" title="Lee De Forest – portugalski" lang="pt" hreflang="pt" data-title="Lee De Forest" data-language-autonym="Português" data-language-local-name="portugalski" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Lee_De_Forest" title="Lee De Forest – rumunjski" lang="ro" hreflang="ro" data-title="Lee De Forest" data-language-autonym="Română" data-language-local-name="rumunjski" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%A4%D0%BE%D1%80%D0%B5%D1%81%D1%82,_%D0%9B%D0%B8_%D0%B4%D0%B5" title="Форест, Ли де – ruski" lang="ru" hreflang="ru" data-title="Форест, Ли де" data-language-autonym="Русский" data-language-local-name="ruski" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Lee_De_Forest" title="Lee De Forest – srpsko-hrvatski" lang="sh" hreflang="sh" data-title="Lee De Forest" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="srpsko-hrvatski" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Lee_de_Forest" title="Lee de Forest – Simple English" lang="en-simple" hreflang="en-simple" data-title="Lee de Forest" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/Li_de_Forest" title="Li de Forest – srpski" lang="sr" hreflang="sr" data-title="Li de Forest" data-language-autonym="Српски / srpski" data-language-local-name="srpski" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Lee_de_Forest" title="Lee de Forest – švedski" lang="sv" hreflang="sv" data-title="Lee de Forest" data-language-autonym="Svenska" data-language-local-name="švedski" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%B2%E0%AF%80_%E0%AE%9F%E0%AE%BF_%E0%AE%AA%E0%AE%BE%E0%AE%B0%E0%AF%86%E0%AE%9A%E0%AF%81%E0%AE%9F%E0%AF%8D" title="லீ டி பாரெசுட் – tamilski" lang="ta" hreflang="ta" data-title="லீ டி பாரெசுட்" data-language-autonym="தமிழ்" data-language-local-name="tamilski" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-te mw-list-item"><a href="https://te.wikipedia.org/wiki/%E0%B0%B2%E0%B1%80_%E0%B0%A1%E0%B0%BF_%E0%B0%AB%E0%B0%BE%E0%B0%B0%E0%B1%86%E0%B0%B8%E0%B1%8D%E0%B0%9F%E0%B1%8D" title="లీ డి ఫారెస్ట్ – teluški" lang="te" hreflang="te" data-title="లీ డి ఫారెస్ట్" data-language-autonym="తెలుగు" data-language-local-name="teluški" class="interlanguage-link-target"><span>తెలుగు</span></a></li><li class="interlanguage-link interwiki-tl mw-list-item"><a href="https://tl.wikipedia.org/wiki/Lee_de_Forest" title="Lee de Forest – tagalog" lang="tl" hreflang="tl" data-title="Lee de Forest" data-language-autonym="Tagalog" data-language-local-name="tagalog" class="interlanguage-link-target"><span>Tagalog</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Lee_de_Forest" title="Lee de Forest – turski" lang="tr" hreflang="tr" data-title="Lee de Forest" data-language-autonym="Türkçe" data-language-local-name="turski" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%9B%D1%96_%D0%B4%D0%B5_%D0%A4%D0%BE%D1%80%D0%B5%D1%81%D1%82" title="Лі де Форест – ukrajinski" lang="uk" hreflang="uk" data-title="Лі де Форест" data-language-autonym="Українська" data-language-local-name="ukrajinski" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Lee_de_Forest" title="Lee de Forest – vijetnamski" lang="vi" hreflang="vi" data-title="Lee de Forest" data-language-autonym="Tiếng Việt" data-language-local-name="vijetnamski" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-war mw-list-item"><a href="https://war.wikipedia.org/wiki/Lee_De_Forest" title="Lee De Forest – waray" lang="war" hreflang="war" data-title="Lee De Forest" data-language-autonym="Winaray" data-language-local-name="waray" class="interlanguage-link-target"><span>Winaray</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E6%9D%8E%C2%B7%E5%BE%B7%E5%AF%8C%E9%9B%B7%E6%96%AF%E7%89%B9" title="李·德富雷斯特 – wu kineski" lang="wuu" hreflang="wuu" data-title="李·德富雷斯特" data-language-autonym="吴语" data-language-local-name="wu kineski" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E6%9D%8E%C2%B7%E5%BE%B7%E5%AF%8C%E9%9B%B7%E6%96%AF%E7%89%B9" title="李·德富雷斯特 – kineski" lang="zh" hreflang="zh" data-title="李·德富雷斯特" data-language-autonym="中文" data-language-local-name="kineski" class="interlanguage-link-target"><span>中文</span></a></li><li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/Lee_de_Forest" title="Lee de Forest – min nan kineski" lang="nan" hreflang="nan" data-title="Lee de Forest" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="min nan kineski" class="interlanguage-link-target"><span>閩南語 / Bân-lâm-gú</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E6%9D%8E%C2%B7%E5%BE%B7%E5%BC%97%E9%9B%B7%E6%96%AF%E7%89%B9" title="李·德弗雷斯特 – kantonski" lang="yue" hreflang="yue" data-title="李·德弗雷斯特" data-language-autonym="粵語" data-language-local-name="kantonski" class="interlanguage-link-target"><span>粵語</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q354863#sitelinks-wikipedia" 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promjene</span></a></li><li id="t-upload" class="mw-list-item"><a href="/wiki/Wikipedija:Upload" title="Postavi datoteke [u]" accesskey="u"><span>Postavi datoteku</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Posebno:Posebne_stranice" title="Popis svih posebnih stranica [q]" accesskey="q"><span>Posebne stranice</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Lee_de_Forest&oldid=6512319" title="Trajna poveznica na ovu verziju stranice"><span>Trajna poveznica</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Lee_de_Forest&action=info" title="Više informacija o ovoj stranici"><span>Podatci o stranici</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Posebno:Citiraj&page=Lee_de_Forest&id=6512319&wpFormIdentifier=titleform" title="Informacije o tome kako citirati ovu stranicu"><span>Citiraj ovu stranicu</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Posebno:Skra%C4%87iva%C4%8D_adresa&url=https%3A%2F%2Fhr.wikipedia.org%2Fwiki%2FLee_de_Forest"><span>Skraćeni URL</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Posebno:QrCode&url=https%3A%2F%2Fhr.wikipedia.org%2Fwiki%2FLee_de_Forest"><span>Preuzmi QR kôd</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Ispis/izvoz </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-create_a_book" class="mw-list-item"><a href="/w/index.php?title=Posebno:Zbirka&bookcmd=book_creator&referer=Lee+de+Forest"><span>Stvori knjigu</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Posebno:DownloadAsPdf&page=Lee_de_Forest&action=show-download-screen"><span>Preuzmi kao PDF</span></a></li><li id="t-print" class="mw-list-item"><a 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class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Pomagala"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Izgled"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Izgled</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">premjesti</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">sakrij</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">Izvor: Wikipedija</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="hr" dir="ltr"><table class="infobox" style="width:25em; font-size:90%; text-align:left;" cellspacing="2"> <tbody><tr> <td colspan="2" style="text-align:center; font-size:larger; background-color:#e8e8ff; color:#000000;"><b>Lee de Forest</b> </td></tr> <tr> <td colspan="2" style="text-align: center;"><span typeof="mw:File"><a href="/wiki/Datoteka:Lee_De_Forest.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lee_De_Forest.jpg/200px-Lee_De_Forest.jpg" decoding="async" width="200" height="278" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/6/65/Lee_De_Forest.jpg 1.5x" data-file-width="245" data-file-height="341" /></a></span><br /></td></tr> <tr> <td colspan="2" style="border-bottom: 1px solid #DDDDDD;"> </td></tr> <tr> <th>Rođenje </th> <td><a href="/wiki/26._kolovoza" title="26. kolovoza">26. kolovoza</a> <a href="/wiki/1873." title="1873.">1873.</a><br /><a href="/w/index.php?title=Council_Bluffs&action=edit&redlink=1" class="new" title="Council Bluffs (stranica ne postoji)">Council Bluffs</a>, <a href="/wiki/Iowa" title="Iowa">Iowa</a>, <a href="/wiki/SAD" class="mw-redirect" title="SAD">SAD</a> </td></tr> <tr> <th>Smrt </th> <td><a href="/wiki/30._lipnja" title="30. lipnja">30. lipnja</a> <a href="/wiki/1961." title="1961.">1961.</a><br /><a href="/wiki/Hollywood" title="Hollywood">Hollywood</a>, <a href="/wiki/Kalifornija" title="Kalifornija">Kalifornija</a>, <a href="/wiki/SAD" class="mw-redirect" title="SAD">SAD</a> </td></tr> <tr> <th>Državljanstvo </th> <td><a href="/wiki/Amerikanci" class="mw-redirect" title="Amerikanci">Amerikanac</a> </td></tr> <tr> <th>Polje </th> <td><a href="/wiki/Radio" title="Radio">Radiotehnika</a> </td></tr> <tr> <th>Institucija </th> <td><a href="/wiki/Izumitelj" title="Izumitelj">Izumitelj</a> </td></tr> <tr> <th>Alma mater </th> <td><a href="/wiki/Sveu%C4%8Dili%C5%A1te_Yale" title="Sveučilište Yale">Sveučilište Yale</a> </td></tr> <tr> <th>Poznat po </th> <td>Izumio <a href="/wiki/Trioda" title="Trioda">triodu</a> </td></tr> <tr> <td colspan="2" style="text-align:center; background-color:#e8e8ff; padding-top:3px;"><b><a href="/wiki/Portal:%C5%BDivotopis" title="Portal:Životopis">Portal o životopisima</a></b> </td></tr></tbody></table> <figure class="mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/Datoteka:Triode_tube_1906.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/1/14/Triode_tube_1906.jpg/300px-Triode_tube_1906.jpg" decoding="async" width="300" height="206" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/14/Triode_tube_1906.jpg/450px-Triode_tube_1906.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/14/Triode_tube_1906.jpg/600px-Triode_tube_1906.jpg 2x" data-file-width="1835" data-file-height="1258" /></a><figcaption>Izgled prve <a href="/wiki/Trioda" title="Trioda">triode</a> iz 1906. koju je napravio Lee de Forest.</figcaption></figure> <p><b>Lee de Forest</b> (<a href="/w/index.php?title=Council_Bluffs&action=edit&redlink=1" class="new" title="Council Bluffs (stranica ne postoji)">Council Bluffs</a>, <a href="/wiki/Iowa" title="Iowa">Iowa</a>, 26. kolovoza 1873. – <a href="/wiki/Hollywood" title="Hollywood">Hollywood</a>, 30. lipnja 1961.), američki <a href="/wiki/Elektronika" title="Elektronika">elektroničar</a> i <a href="/wiki/Izumitelj" title="Izumitelj">izumitelj</a>. Jedan od osnivača <a href="/wiki/Radio" title="Radio">radiotehnike</a>. Konstruirao elektrolitički <a href="/wiki/Detektor" title="Detektor">detektor</a>, jednostavniji nego što ga je nedugo prije toga izumio A. Fleming u Engleskoj. Konstruirao je i <a href="/wiki/Plin" title="Plin">plinom</a> punjenu <a href="/wiki/Dioda" title="Dioda">diodu</a> te izumio (1906.) i patentirao (1907.) <a href="/wiki/Elektronska_cijev" title="Elektronska cijev">elektronsku cijev</a> <a href="/wiki/Trioda" title="Trioda">triodu</a>, koja je omogućila pojačavanje električnih promjena i s kojom je stvarno započeo razvoj <a href="/wiki/Elektronika" title="Elektronika">elektronike</a>. S pomoću nje konstruirao je stabilan i osjetljiv <a href="/wiki/Radio" title="Radio">radioprijamnik</a>, nazvavši ga <i>audionom</i>. Oko 1912. u <i>audionu</i> je primijenio povratnu vezu te tako konstruirao i <a href="/wiki/Oscilator" class="mw-disambig" title="Oscilator">oscilator</a> (patentirali su ga A. Meissner u Njemačkoj te E. H. Armstrong i drugi u SAD-u). Na temelju toga konstruirao je 1916. <a href="/wiki/Radio_oda%C5%A1ilja%C4%8D" class="mw-redirect" title="Radio odašiljač">radioodašiljač</a>. 1920-ih godina bavio se <a href="/wiki/Zvu%C4%8Dni_film" title="Zvučni film">zvučnim filmom</a> i njegovi su izumi bili ključni u razvoju toga područja. Oscilatori na osnovi <i>audiona</i> s <a href="/w/index.php?title=Povratna_veza&action=edit&redlink=1" class="new" title="Povratna veza (stranica ne postoji)">povratnom vezom</a> bili su i prvi uređaji za medicinsku <a href="/w/index.php?title=Dijatermija&action=edit&redlink=1" class="new" title="Dijatermija (stranica ne postoji)">dijatermiju</a>. Tijekom Drugog svjetskog rata radio na vojnoj primjeni elektronike. Napisao autobiografiju <i>Otac radija</i> (<a href="/wiki/Engleski_jezik" title="Engleski jezik">eng</a>. <i>Father of Radio</i>, 1950.).<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Trioda">Trioda</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lee_de_Forest&veaction=edit&section=1" title="Uredi odlomak: Trioda" class="mw-editsection-visualeditor"><span>uredi</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Lee_de_Forest&action=edit&section=1" title="Uredi kôd odjeljka Trioda"><span>uredi kôd</span></a><span class="mw-editsection-bracket">]</span></span></div> <div style="margin-left:0.3rem"><i><style data-mw-deduplicate="TemplateStyles:r7016135">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable"><span typeof="mw:File"><a href="/wiki/Datoteka:Vista-xmag.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e5/Vista-xmag.png/18px-Vista-xmag.png" decoding="async" width="18" height="18" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e5/Vista-xmag.png/27px-Vista-xmag.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e5/Vista-xmag.png/36px-Vista-xmag.png 2x" data-file-width="128" data-file-height="128" /></a></span> Podrobniji članak o temi: <a href="/wiki/Trioda" title="Trioda">Trioda</a></div></i></div> <p><b>Trioda</b> je <a href="/wiki/Elektronska_cijev" title="Elektronska cijev">elektronska cijev</a> s tri <a href="/wiki/Elektroda" title="Elektroda">elektrode</a>. Trioda osim cilindrične <a href="/wiki/Anoda" title="Anoda">anode</a>, <a href="/wiki/Katoda" title="Katoda">katode</a> (žarna nit), ima još i mrežicu. Mrežica je <a href="/wiki/Spirala" title="Spirala">spiralno</a> savijena <a href="/wiki/Molibden" title="Molibden">molibdenska</a> <a href="/wiki/%C5%BDica" title="Žica">žica</a>, smještena između anode i katode od kojih je dobro <a href="/wiki/Elektri%C4%8Dni_izolator" title="Električni izolator">izolirana</a>. Njen je zadatak da <a href="/wiki/Regulacija" class="mw-disambig" title="Regulacija">regulira</a> prolaz <a href="/wiki/Elektron" title="Elektron">elektrona</a>. Sve tri elektrode nalaze se u <a href="/wiki/Staklo" title="Staklo">staklenom</a> balonu s razrijeđenim zrakom (<a href="/wiki/Vakuum" title="Vakuum">vakuum</a>). Ako je mrežica negativna, onda će elektroni koji izlaze iz katode biti odbijeni i padati natrah na katodu, pa neće nijedan elektron dospjeti na anodu, a niti na mrežicu. Smanji li se negativan <a href="/wiki/Elektri%C4%8Dni_naboj" title="Električni naboj">električni naboj</a> na mrežici, proći će neki brži elektron kroz mrežicu i prouzrokovati slabu anodnu struju. </p><p>Ako je u spoju triode mrežica pozitivna prema katodi, ona će ubrzati prolaz elektrona i anodna <a href="/wiki/Elektri%C4%8Dna_struja" title="Električna struja">električna struja</a> će se pojačati. Dakle, promjenom <a href="/wiki/Elektri%C4%8Dni_napon" class="mw-redirect" title="Električni napon">električnog napona</a> mrežice pomoću <a href="/wiki/Baterija" title="Baterija">baterije</a> može se regulirati, odnosno pojačavati anodna struja. Kod triode moramo razlikovati tri <a href="/wiki/Elektri%C4%8Dne_mre%C5%BEe" title="Električne mreže">strujna kruga</a>: </p> <ul><li>krug žarenja s baterijom za žarenje,</li> <li>anodni krug s anodnom baterijom,</li> <li>krug mrežice s baterijom koja daje električni napon za mrežicu.</li></ul> <p>Nanesemo li na os apscisa <a href="/wiki/Elektri%C4%8Dni_napon" class="mw-redirect" title="Električni napon">električni napon</a> na mrežici, a na os ordinata <a href="/wiki/Jakost_struje" class="mw-redirect" title="Jakost struje">jakost anodne struje</a>, dobit ćemo krivulju ovisnosti anodne struje o električnom naponu na mrežici, koja se zove <b>karakteristika cijevi</b>. </p><p>Pojačanje triode osniva se na činjenici da dovedeni napon na mrežici znatno jače utječe na jakost anodne struje nego napon doveden na anodu. Pretpostavimo da se na mrežicu cijevi dovodi <a href="/wiki/Sinus" title="Sinus">sinusoidalni</a> napon. Da vidimo kako se tada mijenja jakost anodne struje, poslužit ćemo se karakteristikom cijevi. Napon mrežice, koja se mijenja po sinus krivulji, nanosi se na okomitu <a href="/wiki/Os" title="Os">os</a>. Svakoj veličini napona mrežice odgovara određena veličina anodne struje. Veličinu anodne struje dobijemo tako da povučemo okomite pravce od odgovarajućih točaka na krivulji napona mrežice do karakteristike cijevi, a od ovih presjecišta vodoravne pravce paralelne s osi apscisa. Krivulja anodne struje, dobivena između dobivenih pravaca, također je sinusoida, ali znatno veća. Odatle možemo zaključiti da i male promjene napona na mrežici prouzrokuju znatne promjene anodne struje. Zbog toga svojstva trioda i ostale elektronske cijevi s više mrežica služe za pojačanje visokofrekventnih i niskofrekventnih struja, odnosno njihovih <a href="/wiki/Titranje" title="Titranje">titraja</a>.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Izvori">Izvori</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lee_de_Forest&veaction=edit&section=2" title="Uredi odlomak: Izvori" class="mw-editsection-visualeditor"><span>uredi</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Lee_de_Forest&action=edit&section=2" title="Uredi kôd odjeljka Izvori"><span>uredi kôd</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r6541845">.mw-parser-output .reflist{font-size:90%;margin-bottom:0.5em;list-style-type:decimal}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><a href="#cite_ref-1">↑</a></span> <span class="reference-text"> <b>De Forest, Lee</b>, <a rel="nofollow" class="external autonumber" href="http://www.enciklopedija.hr/Natuknica.aspx?ID=14206">[1]</a> "Hrvatska enciklopedija", Leksikografski zavod Miroslav Krleža, www.enciklopedija.hr, 2017.</span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><a href="#cite_ref-2">↑</a></span> <span class="reference-text"> Velimir Kruz: "Tehnička fizika za tehničke škole", "Školska knjiga" Zagreb, 1969.</span> </li> </ol></div></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Dobavljeno iz "<a dir="ltr" href="https://hr.wikipedia.org/w/index.php?title=Lee_de_Forest&oldid=6512319">https://hr.wikipedia.org/w/index.php?title=Lee_de_Forest&oldid=6512319</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Posebno:Kategorije" title="Posebno:Kategorije">Kategorije</a>: <ul><li><a href="/wiki/Kategorija:Izumitelji" title="Kategorija:Izumitelji">Izumitelji</a></li><li><a href="/wiki/Kategorija:Ameri%C4%8Dki_znanstvenici" title="Kategorija:Američki znanstvenici">Američki znanstvenici</a></li><li><a href="/wiki/Kategorija:Dobitnici_Oscara_za_%C5%BEivotno_djelo" title="Kategorija:Dobitnici Oscara za životno djelo">Dobitnici Oscara za životno djelo</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> Ova stranica posljednji je put uređivana 2. studenoga 2022. u 19:37.</li> <li id="footer-info-copyright">Tekst je dostupan pod licencijom <a rel="nofollow" class="external text" href="https://creativecommons.org/licenses/by-sa/4.0/deed.hr">Creative Commons: Imenuj autora/Dijeli pod istim uvjetima</a>; mogu se primjenjivati i dodatni uvjeti. 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