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href="#Ikus,_gainera"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Ikus, gainera</span> </div> </a> <ul id="toc-Ikus,_gainera-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Kanpo_estekak" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Kanpo_estekak"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Kanpo estekak</span> </div> </a> <ul id="toc-Kanpo_estekak-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="Edukiak" 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="Eduki taularen ikusgarritasuna aldatu" > <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">Eduki taularen ikusgarritasuna aldatu</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">Banda zabalera</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="Joan beste hizkuntza batean idatzitako artikulu batera. 44 hizkuntzatan eskuragarri." > <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-44" 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">44 hizkuntza</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Bandwydte" title="Bandwydte – afrikaansa" lang="af" hreflang="af" data-title="Bandwydte" data-language-autonym="Afrikaans" data-language-local-name="afrikaansa" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%B9%D8%B1%D8%B6_%D9%86%D8%B7%D8%A7%D9%82" title="عرض نطاق – arabiera" lang="ar" hreflang="ar" data-title="عرض نطاق" data-language-autonym="العربية" data-language-local-name="arabiera" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%95%E0%A6%AE%E0%A7%8D%E0%A6%AA%E0%A6%BE%E0%A6%82%E0%A6%95%E0%A6%AC%E0%A7%8D%E0%A6%AF%E0%A6%BE%E0%A6%AA%E0%A7%8D%E0%A6%A4%E0%A6%BF_(%E0%A6%B8%E0%A6%82%E0%A6%95%E0%A7%87%E0%A6%A4_%E0%A6%AA%E0%A7%8D%E0%A6%B0%E0%A6%95%E0%A7%8D%E0%A6%B0%E0%A6%BF%E0%A6%AF%E0%A6%BC%E0%A6%BE%E0%A6%9C%E0%A6%BE%E0%A6%A4%E0%A6%95%E0%A6%B0%E0%A6%A3)" title="কম্পাংকব্যাপ্তি (সংকেত প্রক্রিয়াজাতকরণ) – bengalera" lang="bn" hreflang="bn" data-title="কম্পাংকব্যাপ্তি (সংকেত প্রক্রিয়াজাতকরণ)" data-language-autonym="বাংলা" data-language-local-name="bengalera" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Amplada_de_banda" title="Amplada de banda – katalana" lang="ca" hreflang="ca" data-title="Amplada de banda" data-language-autonym="Català" data-language-local-name="katalana" 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/%C5%A0%C3%AD%C5%99ka_p%C3%A1sma" title="Šířka pásma – txekiera" lang="cs" hreflang="cs" data-title="Šířka pásma" data-language-autonym="Čeština" data-language-local-name="txekiera" 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/B%C3%A5ndbredde_(signalbehandling)" title="Båndbredde (signalbehandling) – daniera" lang="da" hreflang="da" data-title="Båndbredde (signalbehandling)" data-language-autonym="Dansk" data-language-local-name="daniera" 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/Bandbreite" title="Bandbreite – alemana" lang="de" hreflang="de" data-title="Bandbreite" data-language-autonym="Deutsch" data-language-local-name="alemana" 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%95%CF%8D%CF%81%CE%BF%CF%82_%CE%B6%CF%8E%CE%BD%CE%B7%CF%82" title="Εύρος ζώνης – greziera" lang="el" hreflang="el" data-title="Εύρος ζώνης" data-language-autonym="Ελληνικά" data-language-local-name="greziera" 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/Bandwidth_(signal_processing)" title="Bandwidth (signal processing) – ingelesa" lang="en" hreflang="en" data-title="Bandwidth (signal processing)" data-language-autonym="English" data-language-local-name="ingelesa" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Ancho_de_banda" title="Ancho de banda – gaztelania" lang="es" hreflang="es" data-title="Ancho de banda" data-language-autonym="Español" data-language-local-name="gaztelania" 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/Ribalaius" title="Ribalaius – estoniera" lang="et" hreflang="et" data-title="Ribalaius" data-language-autonym="Eesti" data-language-local-name="estoniera" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D9%BE%D9%87%D9%86%D8%A7%DB%8C_%D8%A8%D8%A7%D9%86%D8%AF" title="پهنای باند – persiera" lang="fa" hreflang="fa" data-title="پهنای باند" data-language-autonym="فارسی" data-language-local-name="persiera" 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/Kaistanleveys" title="Kaistanleveys – finlandiera" lang="fi" hreflang="fi" data-title="Kaistanleveys" data-language-autonym="Suomi" data-language-local-name="finlandiera" 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/Bande_passante" title="Bande passante – frantsesa" lang="fr" hreflang="fr" data-title="Bande passante" data-language-autonym="Français" data-language-local-name="frantsesa" 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/Bandaleithead" title="Bandaleithead – irlandera" lang="ga" hreflang="ga" data-title="Bandaleithead" data-language-autonym="Gaeilge" data-language-local-name="irlandera" 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/Ancho_de_banda" title="Ancho de banda – galiziera" lang="gl" hreflang="gl" data-title="Ancho de banda" data-language-autonym="Galego" data-language-local-name="galiziera" 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%A8%D7%95%D7%97%D7%91_%D7%A1%D7%A8%D7%98" title="רוחב סרט – hebreera" lang="he" hreflang="he" data-title="רוחב סרט" data-language-autonym="עברית" data-language-local-name="hebreera" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%AC%E0%A5%88%E0%A4%82%E0%A4%A1%E0%A4%B5%E0%A4%BF%E0%A4%A5" title="बैंडविथ – hindia" lang="hi" hreflang="hi" data-title="बैंडविथ" data-language-autonym="हिन्दी" data-language-local-name="hindia" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/S%C3%A1vsz%C3%A9less%C3%A9g" title="Sávszélesség – hungariera" lang="hu" hreflang="hu" data-title="Sávszélesség" data-language-autonym="Magyar" data-language-local-name="hungariera" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Lebar_pita" title="Lebar pita – indonesiera" lang="id" hreflang="id" data-title="Lebar pita" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonesiera" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Larghezza_di_banda" title="Larghezza di banda – italiera" lang="it" hreflang="it" data-title="Larghezza di banda" data-language-autonym="Italiano" data-language-local-name="italiera" 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/%E5%B8%AF%E5%9F%9F%E5%B9%85" title="帯域幅 – japoniera" lang="ja" hreflang="ja" data-title="帯域幅" data-language-autonym="日本語" data-language-local-name="japoniera" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EB%8C%80%EC%97%AD%ED%8F%AD_(%EC%8B%A0%ED%98%B8_%EC%B2%98%EB%A6%AC)" title="대역폭 (신호 처리) – koreera" lang="ko" hreflang="ko" data-title="대역폭 (신호 처리)" data-language-autonym="한국어" data-language-local-name="koreera" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Amplitudo_fasciae" title="Amplitudo fasciae – latina" lang="la" hreflang="la" data-title="Amplitudo fasciae" data-language-autonym="Latina" data-language-local-name="latina" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Joslas_platums_(sign%C4%81lu_apstr%C4%81de)" title="Joslas platums (signālu apstrāde) – letoniera" lang="lv" hreflang="lv" data-title="Joslas platums (signālu apstrāde)" data-language-autonym="Latviešu" data-language-local-name="letoniera" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%A8%D0%B8%D1%80%D0%B8%D0%BD%D0%B0_%D0%BD%D0%B0_%D1%87%D0%B5%D1%81%D1%82%D0%BE%D1%82%D0%B5%D0%BD_%D0%BE%D0%BF%D1%81%D0%B5%D0%B3" title="Ширина на честотен опсег – mazedoniera" lang="mk" hreflang="mk" data-title="Ширина на честотен опсег" data-language-autonym="Македонски" data-language-local-name="mazedoniera" 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/Bandbreedte" title="Bandbreedte – nederlandera" lang="nl" hreflang="nl" data-title="Bandbreedte" data-language-autonym="Nederlands" data-language-local-name="nederlandera" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Bandbreidde" title="Bandbreidde – nynorsk (norvegiera)" lang="nn" hreflang="nn" data-title="Bandbreidde" data-language-autonym="Norsk nynorsk" data-language-local-name="nynorsk (norvegiera)" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/B%C3%A5ndbredde" title="Båndbredde – bokmål (norvegiera)" lang="nb" hreflang="nb" data-title="Båndbredde" data-language-autonym="Norsk bokmål" data-language-local-name="bokmål (norvegiera)" 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/Pasmo_przenoszenia" title="Pasmo przenoszenia – poloniera" lang="pl" hreflang="pl" data-title="Pasmo przenoszenia" data-language-autonym="Polski" data-language-local-name="poloniera" 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/Largura_de_banda" title="Largura de banda – portugesa" lang="pt" hreflang="pt" data-title="Largura de banda" data-language-autonym="Português" data-language-local-name="portugesa" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9F%D0%BE%D0%BB%D0%BE%D1%81%D0%B0_%D0%BF%D1%80%D0%BE%D0%BF%D1%83%D1%81%D0%BA%D0%B0%D0%BD%D0%B8%D1%8F" title="Полоса пропускания – errusiera" lang="ru" hreflang="ru" data-title="Полоса пропускания" data-language-autonym="Русский" data-language-local-name="errusiera" 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/%C5%A0irina_frekventnog_opsega" title="Širina frekventnog opsega – serbokroaziera" lang="sh" hreflang="sh" data-title="Širina frekventnog opsega" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="serbokroaziera" 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/Bandwidth_(signal_processing)" title="Bandwidth (signal processing) – Simple English" lang="en-simple" hreflang="en-simple" data-title="Bandwidth (signal processing)" 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-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Pasovna_%C5%A1irina" title="Pasovna širina – esloveniera" lang="sl" hreflang="sl" data-title="Pasovna širina" data-language-autonym="Slovenščina" data-language-local-name="esloveniera" 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%A8%D0%B8%D1%80%D0%B8%D0%BD%D0%B0_%D1%84%D1%80%D0%B5%D0%BA%D0%B2%D0%B5%D0%BD%D1%82%D0%BD%D0%BE%D0%B3_%D0%BE%D0%BF%D1%81%D0%B5%D0%B3%D0%B0" title="Ширина фреквентног опсега – serbiera" lang="sr" hreflang="sr" data-title="Ширина фреквентног опсега" data-language-autonym="Српски / srpski" data-language-local-name="serbiera" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-su mw-list-item"><a href="https://su.wikipedia.org/wiki/Rubakpita" title="Rubakpita – sundanera" lang="su" hreflang="su" data-title="Rubakpita" data-language-autonym="Sunda" data-language-local-name="sundanera" class="interlanguage-link-target"><span>Sunda</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Bandbredd" title="Bandbredd – suediera" lang="sv" hreflang="sv" data-title="Bandbredd" data-language-autonym="Svenska" data-language-local-name="suediera" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-sw mw-list-item"><a href="https://sw.wikipedia.org/wiki/Kipimo_data_(elektroniki)" title="Kipimo data (elektroniki) – swahilia" lang="sw" hreflang="sw" data-title="Kipimo data (elektroniki)" data-language-autonym="Kiswahili" data-language-local-name="swahilia" class="interlanguage-link-target"><span>Kiswahili</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%AA%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AF%88%E0%AE%AF%E0%AE%95%E0%AE%B2%E0%AE%AE%E0%AF%8D" title="பட்டையகலம் – tamilera" lang="ta" hreflang="ta" data-title="பட்டையகலம்" data-language-autonym="தமிழ்" data-language-local-name="tamilera" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Bant_geni%C5%9Fli%C4%9Fi" title="Bant genişliği – turkiera" lang="tr" hreflang="tr" data-title="Bant genişliği" data-language-autonym="Türkçe" data-language-local-name="turkiera" 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%A8%D0%B8%D1%80%D0%B8%D0%BD%D0%B0_%D1%81%D0%BC%D1%83%D0%B3%D0%B8_%D0%BF%D1%80%D0%BE%D0%BF%D1%83%D1%81%D0%BA%D0%B0%D0%BD%D0%BD%D1%8F" title="Ширина смуги пропускання – ukrainera" lang="uk" hreflang="uk" data-title="Ширина смуги пропускання" data-language-autonym="Українська" data-language-local-name="ukrainera" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E5%B8%A6%E5%AE%BD" title="带宽 – txinera" lang="zh" hreflang="zh" data-title="带宽" data-language-autonym="中文" data-language-local-name="txinera" class="interlanguage-link-target"><span>中文</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E9%A0%BB%E5%AF%AC" title="頻寬 – kantonera" lang="yue" hreflang="yue" data-title="頻寬" data-language-autonym="粵語" data-language-local-name="kantonera" 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/Q249998#sitelinks-wikipedia" title="Aldatu hizkuntzen arteko loturak" class="wbc-editpage">Aldatu loturak</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Izen-tarteak"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Banda_zabalera" 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data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Itxura</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">mugitu alboko barrara</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">ezkutatu</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">Wikipedia, Entziklopedia askea</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="eu" dir="ltr"><p><b>Banda zabalera</b> hertzetan neurtutako frekuentzia tartearen zabalera da, zeinean seinalearen potentziaren gehiengoa biltzen den. <a href="/wiki/Joseph_Fourier" title="Joseph Fourier">Fourierren</a> analisiaren bidez kalkulatua izan daiteke, behin-behineko seinale bat erabiliz. Tarte honetan sartutako frekuentziek frekuentzia eraginkor izena ere hartzen dute. </p> <figure typeof="mw:File/Thumb"><a href="/wiki/Fitxategi:Bandwidth.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f6/Bandwidth.svg/300px-Bandwidth.svg.png" decoding="async" width="300" height="211" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f6/Bandwidth.svg/450px-Bandwidth.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f6/Bandwidth.svg/600px-Bandwidth.svg.png 2x" data-file-width="542" data-file-height="381" /></a><figcaption> <b>Irudia</b>: Banda zabalera f<sub>1</sub> eta f<sub>2</sub> balioek bornatzen duten tartean barneraturiko frekuentziek osatzen dute.</figcaption></figure> <p>Filtro baten banda zabalera frekuentziek osatutako tartea da. <a href="/wiki/Maiztasun" title="Maiztasun">Frekuentzia</a> hauek beren <a href="/w/index.php?title=Atenuazio&action=edit&redlink=1" class="new" title="Atenuazio (sortu gabe)">atenuazioa</a> 3dB edo gutxiagotan mantentzen dute filtrotik pasatzerakoan, betiere irudiko f<sub>c</sub> frekuentzia zentral muturrekoarekin konparatuz. </p><p>Frekuentzia magnitude fisiko bat da, zeinak neurtzen duen seinale periodiko baten zikloa denbora unitateko zenbatetan errepikatzen den. Frekuentzia bakarreko seinale periodiko batek banda zabalera minimoa dauka. Eskuarki, seinale periodikoak hainbat frekuentziatan osagaiak baldin baditu, bere banda zabalera handiagoa da eta bere denborarekiko aldaketa bere frekuentziaren osagaien menpe dago. </p><p>Orokorrean, sistema elektronikoek igortzen dituzten seinaleak, adibidez datu informatikoak, ahotsa, telebista seinaleak, eta abar... denboran zehar aldaketak jasaten dituzten seinaleak dira eta ez dira periodikoak, baina frekuentzia desberdinetako seinale periodikoen batura bezala har daitezke. </p> <div class="mw-heading mw-heading2"><h2 id="Ohiko_erabilpenak">Ohiko erabilpenak</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Banda_zabalera&veaction=edit&section=1" title="Aldatu atal hau: «Ohiko erabilpenak»" class="mw-editsection-visualeditor"><span>aldatu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Banda_zabalera&action=edit&section=1" title="Edit section's source code: Ohiko erabilpenak"><span>aldatu iturburu kodea</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Ohikoa da denbora unitate batean transmititu daitezkeen datu kopuruari <i>banda zabalera digital</i> deitzea. Adibide bat jartzearren, 256 kb/s dituen <a href="/wiki/ADSL" title="ADSL">ADSL</a> linea batek, teorikoki 256000 bit segundoko bidal ditzake. Hau benetan sistemak duen transferentzia tasa maximoa da, eta aldakorra izan daiteke banda zabalera analogikoaren, seinalearen potentziaren, linearen zarataren eta kanalaren kodifikazioaren arabera. </p><p>Banda estu baten adibide garbia da konexio telefoniko batean burutzen dena eta banda zabal batena, DSL konexio batek burutzen duena. Konexio mota bakoitzak berezko banda zabalera analogikoa dauka, hala nola bere transferentzia tasa maximo bat. Banda zabalerak eta sareko saturazioak loturen kalitatean zuzenki eragiten dute. </p><p>Kanal bat pasatzen uzten duen frekuentzia tartea hertzetan adierazten da. Bw = ∆f = gbf (goi borne frekuentzia) – bbf (behe borne frekuentzia). </p><p>Banda zabalera terminoa konputagailu baten <a href="/wiki/Bus_(informatika)" title="Bus (informatika)">bus</a> batean datuak zenbateko abiaduran transferitzen diren jakiteko ere erabili ohi da, normalean byte segundoko (B/s), Megabyte segundoko (MB/s) edo Gigabyte segundoko (GB/s) unitateak erabiliz. Hau kalkulatzeko busaren frekuentzia (ziklo/segundo) biderkatuko dugu ziklo bakoitzeko transmitizen den byte kopuruarekin. Adibidez, 266 MHz-tan 64 biteko datuak transmititzen dituen bus batek 2,1 GB/s-ko banda zabalera izango du. </p> <div class="mw-heading mw-heading2"><h2 id="Ikus,_gainera"><span id="Ikus.2C_gainera"></span>Ikus, gainera</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Banda_zabalera&veaction=edit&section=2" title="Aldatu atal hau: «Ikus, gainera»" class="mw-editsection-visualeditor"><span>aldatu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Banda_zabalera&action=edit&section=2" title="Edit section's source code: Ikus, gainera"><span>aldatu iturburu kodea</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Bus_(informatika)" title="Bus (informatika)">Bus (informatika)</a></li> <li><a href="/wiki/ADSL" title="ADSL">ADSL</a></li> <li><a href="/wiki/Maiztasun" title="Maiztasun">Frekuentzia</a></li></ul> <div class="mw-heading mw-heading2"><h2 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