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marta līdz 31. maijam\u003C/div\u003E\u003C/div\u003E\n\u003Cdiv style=\"clear: both;\"\u003E\u003C/div\u003E\n\u003C/div\u003E\u003C/div\u003E\u003C/div\u003E\u003C/div\u003E\u003C/div\u003E";}}());</script></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Vietne"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Saturs" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Saturs</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">pārvietot uz sānjoslu</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">paslēpt</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">Sākums</div> </a> </li> <li id="toc-Radiolampu_katodi" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Radiolampu_katodi"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Radiolampu katodi</span> </div> </a> <ul id="toc-Radiolampu_katodi-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Ārējās_saites" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Ārējās_saites"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Ārējās saites</span> </div> </a> <ul id="toc-Ārējās_saites-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="Saturs" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" title="Satura rādītājs" > <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="Pārslēgt satura rādītāju" > <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">Pārslēgt satura rādītāju</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">Katods</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="Pāriet uz rakstu citā valodā. Pieejams 66 valodās" > <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-66" 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">66 valodas</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%85%D9%87%D8%A8%D8%B7_(%D9%83%D9%8A%D9%85%D9%8A%D8%A7%D8%A1)" title="مهبط (كيمياء) – arābu" lang="ar" hreflang="ar" data-title="مهبط (كيمياء)" data-language-autonym="العربية" data-language-local-name="arābu" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/C%C3%A1todu" title="Cátodu – astūriešu" lang="ast" hreflang="ast" data-title="Cátodu" data-language-autonym="Asturianu" data-language-local-name="astūriešu" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Katod" title="Katod – azerbaidžāņu" lang="az" hreflang="az" data-title="Katod" data-language-autonym="Azərbaycanca" data-language-local-name="azerbaidžāņu" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-azb mw-list-item"><a href="https://azb.wikipedia.org/wiki/%DA%A9%D8%A7%D8%AA%D9%88%D8%AF" title="کاتود – South Azerbaijani" lang="azb" hreflang="azb" data-title="کاتود" data-language-autonym="تۆرکجه" data-language-local-name="South Azerbaijani" class="interlanguage-link-target"><span>تۆرکجه</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%9A%D0%B0%D1%82%D0%BE%D0%B4" title="Катод – baltkrievu" lang="be" hreflang="be" data-title="Катод" data-language-autonym="Беларуская" data-language-local-name="baltkrievu" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%9A%D0%B0%D1%82%D0%BE%D0%B4" title="Катод – bulgāru" lang="bg" hreflang="bg" data-title="Катод" data-language-autonym="Български" data-language-local-name="bulgāru" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Katoda" title="Katoda – bosniešu" lang="bs" hreflang="bs" data-title="Katoda" data-language-autonym="Bosanski" data-language-local-name="bosniešu" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/C%C3%A0tode" title="Càtode – katalāņu" lang="ca" hreflang="ca" data-title="Càtode" data-language-autonym="Català" data-language-local-name="katalāņu" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%DA%A9%D8%A7%D8%AA%DB%86%D8%AF" title="کاتۆد – centrālkurdu" lang="ckb" hreflang="ckb" data-title="کاتۆد" data-language-autonym="کوردی" data-language-local-name="centrālkurdu" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Katoda" title="Katoda – čehu" lang="cs" hreflang="cs" data-title="Katoda" data-language-autonym="Čeština" data-language-local-name="čehu" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-cv mw-list-item"><a href="https://cv.wikipedia.org/wiki/%D0%9A%D0%B0%D1%82%D0%BE%D0%B4" title="Катод – čuvašu" lang="cv" hreflang="cv" data-title="Катод" data-language-autonym="Чӑвашла" data-language-local-name="čuvašu" class="interlanguage-link-target"><span>Чӑвашла</span></a></li><li class="interlanguage-link interwiki-cy mw-list-item"><a href="https://cy.wikipedia.org/wiki/Cathod" title="Cathod – velsiešu" lang="cy" hreflang="cy" data-title="Cathod" data-language-autonym="Cymraeg" data-language-local-name="velsiešu" class="interlanguage-link-target"><span>Cymraeg</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Katode" title="Katode – dāņu" lang="da" hreflang="da" data-title="Katode" data-language-autonym="Dansk" data-language-local-name="dāņu" 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/Kathode" title="Kathode – vācu" lang="de" hreflang="de" data-title="Kathode" data-language-autonym="Deutsch" data-language-local-name="vācu" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Cathode" title="Cathode – angļu" lang="en" hreflang="en" data-title="Cathode" data-language-autonym="English" data-language-local-name="angļu" 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/Katodo" title="Katodo – esperanto" lang="eo" hreflang="eo" data-title="Katodo" 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/C%C3%A1todo" title="Cátodo – spāņu" lang="es" hreflang="es" data-title="Cátodo" data-language-autonym="Español" data-language-local-name="spāņu" 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/Katood" title="Katood – igauņu" lang="et" hreflang="et" data-title="Katood" data-language-autonym="Eesti" data-language-local-name="igauņu" 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/Katodo" title="Katodo – basku" lang="eu" hreflang="eu" data-title="Katodo" data-language-autonym="Euskara" data-language-local-name="basku" 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/%DA%A9%D8%A7%D8%AA%D8%AF" title="کاتد – persiešu" lang="fa" hreflang="fa" data-title="کاتد" data-language-autonym="فارسی" data-language-local-name="persiešu" 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/Katodi" title="Katodi – somu" lang="fi" hreflang="fi" data-title="Katodi" data-language-autonym="Suomi" data-language-local-name="somu" 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/Cathode" title="Cathode – franču" lang="fr" hreflang="fr" data-title="Cathode" data-language-autonym="Français" data-language-local-name="franču" 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/Cat%C3%B3id" title="Catóid – īru" lang="ga" hreflang="ga" data-title="Catóid" data-language-autonym="Gaeilge" data-language-local-name="īru" 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/C%C3%A1todo" title="Cátodo – galisiešu" lang="gl" hreflang="gl" data-title="Cátodo" data-language-autonym="Galego" data-language-local-name="galisiešu" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%95%E0%A5%88%E0%A4%A5%E0%A5%8B%E0%A4%A1" title="कैथोड – hindi" lang="hi" hreflang="hi" data-title="कैथोड" data-language-autonym="हिन्दी" data-language-local-name="hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Katoda" title="Katoda – horvātu" lang="hr" hreflang="hr" data-title="Katoda" data-language-autonym="Hrvatski" data-language-local-name="horvātu" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-ht mw-list-item"><a href="https://ht.wikipedia.org/wiki/Kat%C3%B2d" title="Katòd – haitiešu" lang="ht" hreflang="ht" data-title="Katòd" data-language-autonym="Kreyòl ayisyen" data-language-local-name="haitiešu" class="interlanguage-link-target"><span>Kreyòl ayisyen</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Kat%C3%B3d" title="Katód – ungāru" lang="hu" hreflang="hu" data-title="Katód" data-language-autonym="Magyar" data-language-local-name="ungāru" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D4%BF%D5%A1%D5%BF%D5%B8%D5%A4" title="Կատոդ – armēņu" lang="hy" hreflang="hy" data-title="Կատոդ" data-language-autonym="Հայերեն" data-language-local-name="armēņu" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Katode" title="Katode – indonēziešu" lang="id" hreflang="id" data-title="Katode" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonēziešu" 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/Katodo" title="Katodo – ido" lang="io" hreflang="io" data-title="Katodo" data-language-autonym="Ido" data-language-local-name="ido" class="interlanguage-link-target"><span>Ido</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/Bakskaut" title="Bakskaut – islandiešu" lang="is" hreflang="is" data-title="Bakskaut" data-language-autonym="Íslenska" data-language-local-name="islandiešu" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Catodo" title="Catodo – itāļu" lang="it" hreflang="it" data-title="Catodo" data-language-autonym="Italiano" data-language-local-name="itāļu" 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%82%AB%E3%82%BD%E3%83%BC%E3%83%89" title="カソード – japāņu" lang="ja" hreflang="ja" data-title="カソード" data-language-autonym="日本語" data-language-local-name="japāņu" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%9A%D0%B0%D1%82%D0%BE%D0%B4" title="Катод – kazahu" lang="kk" hreflang="kk" data-title="Катод" data-language-autonym="Қазақша" data-language-local-name="kazahu" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%BA%90%EC%86%8C%EB%93%9C" title="캐소드 – korejiešu" lang="ko" hreflang="ko" data-title="캐소드" data-language-autonym="한국어" data-language-local-name="korejiešu" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-ky mw-list-item"><a href="https://ky.wikipedia.org/wiki/%D0%9A%D0%B0%D1%82%D0%BE%D0%B4" title="Катод – kirgīzu" lang="ky" hreflang="ky" data-title="Катод" data-language-autonym="Кыргызча" data-language-local-name="kirgīzu" class="interlanguage-link-target"><span>Кыргызча</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Katodas" title="Katodas – lietuviešu" lang="lt" hreflang="lt" data-title="Katodas" data-language-autonym="Lietuvių" data-language-local-name="lietuviešu" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%9A%D0%B0%D1%82%D0%BE%D0%B4%D0%B0" title="Катода – maķedoniešu" lang="mk" hreflang="mk" data-title="Катода" data-language-autonym="Македонски" data-language-local-name="maķedoniešu" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Kathode" title="Kathode – holandiešu" lang="nl" hreflang="nl" data-title="Kathode" data-language-autonym="Nederlands" data-language-local-name="holandiešu" 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/Katode" title="Katode – norvēģu bukmols" lang="nb" hreflang="nb" data-title="Katode" data-language-autonym="Norsk bokmål" data-language-local-name="norvēģu bukmols" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-nov mw-list-item"><a href="https://nov.wikipedia.org/wiki/Katode" title="Katode – Novial" lang="nov" hreflang="nov" data-title="Katode" data-language-autonym="Novial" data-language-local-name="Novial" class="interlanguage-link-target"><span>Novial</span></a></li><li class="interlanguage-link interwiki-om mw-list-item"><a href="https://om.wikipedia.org/wiki/Kaatodii" title="Kaatodii – oromu" lang="om" hreflang="om" data-title="Kaatodii" data-language-autonym="Oromoo" data-language-local-name="oromu" class="interlanguage-link-target"><span>Oromoo</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Katoda" title="Katoda – poļu" lang="pl" hreflang="pl" data-title="Katoda" data-language-autonym="Polski" data-language-local-name="poļu" 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/C%C3%A1todo" title="Cátodo – portugāļu" lang="pt" hreflang="pt" data-title="Cátodo" data-language-autonym="Português" data-language-local-name="portugāļu" 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/Catod" title="Catod – rumāņu" lang="ro" hreflang="ro" data-title="Catod" data-language-autonym="Română" data-language-local-name="rumāņu" 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%9A%D0%B0%D1%82%D0%BE%D0%B4" title="Катод – krievu" lang="ru" hreflang="ru" data-title="Катод" data-language-autonym="Русский" data-language-local-name="krievu" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-rue mw-list-item"><a href="https://rue.wikipedia.org/wiki/%D0%9A%D0%B0%D1%82%D0%BE%D0%B4%D0%B0" title="Катода – Rusyn" lang="rue" hreflang="rue" data-title="Катода" data-language-autonym="Русиньскый" data-language-local-name="Rusyn" class="interlanguage-link-target"><span>Русиньскый</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Katoda" title="Katoda – serbu–horvātu" lang="sh" hreflang="sh" data-title="Katoda" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="serbu–horvātu" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-si mw-list-item"><a href="https://si.wikipedia.org/wiki/%E0%B6%9A%E0%B7%90%E0%B6%AD%E0%B7%9D%E0%B6%A9%E0%B6%BA" title="කැතෝඩය – singāļu" lang="si" hreflang="si" data-title="කැතෝඩය" data-language-autonym="සිංහල" data-language-local-name="singāļu" class="interlanguage-link-target"><span>සිංහල</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Cathode" title="Cathode – Simple English" lang="en-simple" hreflang="en-simple" data-title="Cathode" 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-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Kat%C3%B3da" title="Katóda – slovāku" lang="sk" hreflang="sk" data-title="Katóda" data-language-autonym="Slovenčina" data-language-local-name="slovāku" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Katoda" title="Katoda – slovēņu" lang="sl" hreflang="sl" data-title="Katoda" data-language-autonym="Slovenščina" data-language-local-name="slovēņu" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%9A%D0%B0%D1%82%D0%BE%D0%B4%D0%B0" title="Катода – serbu" lang="sr" hreflang="sr" data-title="Катода" data-language-autonym="Српски / srpski" data-language-local-name="serbu" 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/Katod" title="Katod – zviedru" lang="sv" hreflang="sv" data-title="Katod" data-language-autonym="Svenska" data-language-local-name="zviedru" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-tg mw-list-item"><a href="https://tg.wikipedia.org/wiki/%D0%9A%D0%B0%D1%82%D0%BE%D0%B4" title="Катод – tadžiku" lang="tg" hreflang="tg" data-title="Катод" data-language-autonym="Тоҷикӣ" data-language-local-name="tadžiku" class="interlanguage-link-target"><span>Тоҷикӣ</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B9%81%E0%B8%84%E0%B9%82%E0%B8%97%E0%B8%94" title="แคโทด – taju" lang="th" hreflang="th" data-title="แคโทด" data-language-autonym="ไทย" data-language-local-name="taju" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Katot" title="Katot – turku" lang="tr" hreflang="tr" data-title="Katot" data-language-autonym="Türkçe" data-language-local-name="turku" 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%9A%D0%B0%D1%82%D0%BE%D0%B4" title="Катод – ukraiņu" lang="uk" hreflang="uk" data-title="Катод" data-language-autonym="Українська" data-language-local-name="ukraiņu" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%D9%85%D9%86%D9%81%DB%8C%D8%B1%DB%81" title="منفیرہ – urdu" lang="ur" hreflang="ur" data-title="منفیرہ" data-language-autonym="اردو" data-language-local-name="urdu" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Katod" title="Katod – uzbeku" lang="uz" hreflang="uz" data-title="Katod" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="uzbeku" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Cathode" title="Cathode – vjetnamiešu" lang="vi" hreflang="vi" data-title="Cathode" data-language-autonym="Tiếng Việt" data-language-local-name="vjetnamiešu" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E9%98%B4%E6%9E%81" title="阴极 – vu ķīniešu" lang="wuu" hreflang="wuu" data-title="阴极" data-language-autonym="吴语" data-language-local-name="vu ķīniešu" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a 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vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">paslēpt</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">Vikipēdijas lapa</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="lv" dir="ltr"><p><b>Katods</b> (<a href="/wiki/Grie%C4%B7u_valoda" title="Grieķu valoda">grieķu</a>: <span lang="el"><span style="font-family: palatino linotype, new athena unicode, athena, gentium, code2000, serif; font-size: 105%;"><i>χάθοδος (kathodos)</i></span></span> — 'lejupceļš, atgriešanās') ir dažādu elektrisku ierīču negatīvais pols vai arī <a href="/wiki/Elektrisk%C4%81_str%C4%81va" title="Elektriskā strāva">elektriskās strāvas</a> vai <a href="/wiki/Spriegums" title="Spriegums">sprieguma</a> avota pols ar negatīvu potenciālu attiecībā pret <a href="/wiki/Anods" title="Anods">anodu</a> — otru polu. </p> <figure typeof="mw:File/Thumb"><a href="/wiki/Att%C4%93ls:Copper_cathode.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/3/3a/Copper_cathode.png/250px-Copper_cathode.png" decoding="async" width="200" height="220" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/3a/Copper_cathode.png/330px-Copper_cathode.png 1.5x, //upload.wikimedia.org/wikipedia/commons/3/3a/Copper_cathode.png 2x" data-file-width="364" data-file-height="401" /></a><figcaption><a href="/wiki/Var%C5%A1" title="Varš">Vara</a> katods galvaniskajā šūnā</figcaption></figure> <p><a href="/wiki/Elektrol%C4%ABze" title="Elektrolīze">Elektrolīzes</a> procesos (<a href="/wiki/%C5%A0%C4%B7%C4%ABdums" title="Šķīdums">šķīdumu</a> vai kausējumu elektroķīmiskā sadalīšanā) katods ir negatīvais elektrods, uz tā notiek metālu <a href="/wiki/Reduc%C4%93%C5%A1an%C4%81s" class="mw-redirect" title="Reducēšanās">reducēšanās</a>. </p><p><a href="/wiki/Galvaniskais_elements" title="Galvaniskais elements">Galvaniskajā elementā</a>, kas strāvu nevis patērē, bet rada, katods ir pozitīvais elektrods. </p> <div class="mw-heading mw-heading2"><h2 id="Radiolampu_katodi">Radiolampu katodi</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Katods&veaction=edit&section=1" title="Labot sadaļu: Radiolampu katodi" class="mw-editsection-visualeditor"><span>labot šo sadaļu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Katods&action=edit&section=1" title="Labot sadaļas vikikodu: Radiolampu katodi"><span>labot pirmkodu</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/Att%C4%93ls:Radiolampas_katods.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/lv/thumb/4/4c/Radiolampas_katods.svg/330px-Radiolampas_katods.svg.png" decoding="async" width="300" height="182" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/lv/thumb/4/4c/Radiolampas_katods.svg/500px-Radiolampas_katods.svg.png 1.5x, //upload.wikimedia.org/wikipedia/lv/thumb/4/4c/Radiolampas_katods.svg/960px-Radiolampas_katods.svg.png 2x" data-file-width="2500" data-file-height="1516" /></a><figcaption>Netiešās kvēles radiolampas katods izjauktā veidā (kvēldiegs izņemts no katoda)</figcaption></figure> <p><a href="/wiki/Elektronu_lampa" title="Elektronu lampa">Elektronu lampu</a> katodi tiek pārklāti ar sastāvu, kas augstā temperatūrā viegli izstaro brīvus <a href="/wiki/Elektrons" title="Elektrons">elektronus</a>, pamatojoties uz <a href="/wiki/Termoelektronu_emisija" title="Termoelektronu emisija">termoelektronu emisijas</a> parādību. Pirmo radiolampu katodus izgatavoja no <a href="/wiki/Volframs" title="Volframs">volframa</a>, tāpat kā apgaismošanas spuldzēm. Vēlāk atklāja, ka efektīvāki ir ar <a href="/wiki/Torijs" title="Torijs">torija</a> plānu kārtiņu pārklāti katodi (torētie katodi). Vislabākā emisija ir ar <a href="/wiki/S%C4%81rmu_met%C4%81li" title="Sārmu metāli">sārmu</a> un <a href="/wiki/S%C4%81rmzemju_met%C4%81li" title="Sārmzemju metāli">sārmzemju metālu</a> <a href="/wiki/Oks%C4%ABdi" title="Oksīdi">oksīdiem</a> pārklātiem katodiem (lieto arī tīru <a href="/wiki/B%C4%81rijs" title="Bārijs">bārija</a> oksīdu, bet pārsvarā izmanto bārija, <a href="/wiki/Kalcijs" title="Kalcijs">kalcija</a> un <a href="/wiki/Stroncijs" title="Stroncijs">stroncija</a> oksīdu maisījumu). Torētos katodus izmanto jaudīgās <a href="/wiki/%C4%A2eneratorlampa" title="Ģeneratorlampa">ģeneratorlampās</a>, bet volframa katodus joprojām lieto <a href="/wiki/Rentgenlampa" title="Rentgenlampa">rentgenlampās</a> un citās augstsprieguma ierīcēs. </p> <div class="mw-heading mw-heading2"><h2 id="Ārējās_saites"><span id=".C4.80r.C4.93j.C4.81s_saites"></span>Ārējās saites</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Katods&veaction=edit&section=2" title="Labot sadaļu: Ārējās saites" class="mw-editsection-visualeditor"><span>labot šo sadaļu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Katods&action=edit&section=2" title="Labot sadaļas vikikodu: Ārējās saites"><span>labot pirmkodu</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/20px-Commons-logo.svg.png" decoding="async" width="12" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/40px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></span></span> <a href="/wiki/Vikikr%C4%81tuve" title="Vikikrātuve">Vikikrātuvē</a> par šo tēmu ir pieejami <a href="/wiki/Multivides" title="Multivides">multivides</a> faili. Skatīt: <i><b><a href="https://commons.wikimedia.org/wiki/Category:Cathodes" class="extiw" title="commons:Category:Cathodes">Katods</a></b></i>.</li></ul> <ul><li><a rel="nofollow" class="external text" href="https://www.britannica.com/technology/cathode"><i>Encyclopædia Britannica</i> raksts</a> <span style="font-size:0.95em; color:#555;">(angliski)</span></li> <li><a rel="nofollow" class="external text" href="https://bigenc.ru/c/katod-799dd6">Krievijas Lielās enciklopēdijas raksts</a> <span style="font-size:0.95em; color:#555;">(krieviski)</span></li></ul> <div style="clear:both;"></div> <table class="metadata plainlinks stub" role="presentation" style="background:transparent"><tbody><tr><td><span typeof="mw:File"><a href="/wiki/Att%C4%93ls:Stylised_atom_with_three_Bohr_model_orbits_and_stylised_nucleus.svg" class="mw-file-description"><img alt="Aizmetņa ikona" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/6f/Stylised_atom_with_three_Bohr_model_orbits_and_stylised_nucleus.svg/26px-Stylised_atom_with_three_Bohr_model_orbits_and_stylised_nucleus.svg.png" decoding="async" width="26" height="30" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/6f/Stylised_atom_with_three_Bohr_model_orbits_and_stylised_nucleus.svg/40px-Stylised_atom_with_three_Bohr_model_orbits_and_stylised_nucleus.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/6f/Stylised_atom_with_three_Bohr_model_orbits_and_stylised_nucleus.svg/53px-Stylised_atom_with_three_Bohr_model_orbits_and_stylised_nucleus.svg.png 2x" data-file-width="530" data-file-height="600" /></a></span></td><td><i>Šis ar <a href="/wiki/Fizika" title="Fizika">fiziku</a> saistītais raksts ir <a href="/wiki/Vikip%C4%93dija:Aizmetnis" title="Vikipēdija:Aizmetnis">nepilnīgs</a>. 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