{"id":2334,"date":"2025-05-05T18:01:35","date_gmt":"2025-05-05T09:31:35","guid":{"rendered":"http:\/\/topfastpcbb.ru\/?p=2334"},"modified":"2025-05-06T14:46:44","modified_gmt":"2025-05-06T06:16:44","slug":"8-layer-pcb-stackup","status":"publish","type":"post","link":"https:\/\/www.topfastpcb.com\/nl\/blog\/8-layer-pcb-stackup\/","title":{"rendered":"8-lagen printplaat stapeling"},"content":{"rendered":"<p>De 8-lagen PCB gelamineerde structuur bevat meestal signaallaag, voedingslaag en aardlaag, de specifieke indeling en ontwerpprincipes zijn als volgt<\/p><p>Signaallaag: Deze omvat meestal de bovenste laag (TOP), de onderste laag (Bottom) en de signaallaag in het midden (bijv. Signal2, Signal3, enz.). De signaallaag wordt voornamelijk gebruikt voor het bedraden en verzenden van elektrische signalen.<\/p><p>Voedingslaag:Deze laag bevat meestal een of meer voedingslagen (bv. Power1, Power2, enz.), die worden gebruikt om een stabiele voeding te leveren.De voedingslaag grenst aan de aardlaag om de koppeling tussen de voeding en de aarde beter te realiseren en de impedantie tussen het voedingsvlak en het aardvlak te verminderen.<\/p><p>Aardlaag: omvat een of meer aardlagen (bv. Ground1, Ground2, enz.), die voornamelijk worden gebruikt om een stabiel aardreferentievlak te cre\u00ebren en elektromagnetische interferentie te verminderen.De massaplaat grenst aan de voedingsplaat voor een betere signaalintegriteit.<\/p><h2><a href=\"https:\/\/www.topfastpcb.com\/nl\/blog\/pcb-design-principles\/\">Ontwerpprincipes<\/a> en gemeenschappelijke regelingen<\/h2><p>De laag naast de hoofdchip is het grondvlak: het biedt een stabiel referentievlak voor de hoofdchip en vermindert interferentie.<br>Alle signaallagen liggen zoveel mogelijk naast de massaplaat: dit zorgt voor een betere signaalintegriteit.<br>Vermijd zoveel mogelijk twee signaallagen direct naast elkaar om signaalinterferentie te verminderen.<br>De hoofdvoeding ligt zoveel mogelijk naast de bijbehorende massaplaat: om de impedantie tussen de voedingsprint en de massaplaat te beperken.<br>Symmetrisch structuurontwerp: De dikte en het type di\u00eblektrische laag, de dikte van de koperfolie en het type grafische verdeling moeten symmetrisch zijn om de invloed van asymmetrie te minimaliseren.<br><\/p><h2>Gebruikelijke ontwerpvoorbeelden en gereedschapgebruik<\/h2><p>Gebruikelijk gestapeld laagontwerp: zoals TOP-Gnd-Signaal-Power-Gnd-Signaal-Gnd-Bodem, enz. Dit ontwerp kan zorgen voor een betere signaalintegriteit en elektromagnetische compatibiliteit.<br>Huaqiu DFM-tool gebruiken:Deze tool helpt bij het berekenen van impedantie, het selecteren van de juiste lijnbreedte en afstand, en het verzekeren van de nauwkeurigheid van het ontwerp.<\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"591\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/8-Layer-PCB-1.jpg\" alt=\"\" class=\"wp-image-2363\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/8-Layer-PCB-1.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/8-Layer-PCB-1-300x296.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/8-Layer-PCB-1-100x100.jpg 100w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_74 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Inhoudsopgave<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.topfastpcb.com\/nl\/blog\/8-layer-pcb-stackup\/#8-Layer_PCB_Stackup_Design_Analysis\" >8-Layer PCB Stackup ontwerpanalyse<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.topfastpcb.com\/nl\/blog\/8-layer-pcb-stackup\/#Option_1_Six_Signal_Layer_Design_Not_Recommended\" >Optie 1: Ontwerp met zes signaallagen (niet aanbevolen)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.topfastpcb.com\/nl\/blog\/8-layer-pcb-stackup\/#Option_2_Four_Signal_Layer_Design_Recommended\" >Optie 2: Ontwerp met vier signaallagen (aanbevolen)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.topfastpcb.com\/nl\/blog\/8-layer-pcb-stackup\/#Option_3_Optimal_Four_Signal_Layer_Design_Highly_Recommended\" >Optie 3: Optimaal ontwerp met vier signaallagen (sterk aanbevolen)<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"8-Layer_PCB_Stackup_Design_Analysis\"><\/span>8-Layer PCB Stackup ontwerpanalyse<span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Option_1_Six_Signal_Layer_Design_Not_Recommended\"><\/span>Optie 1: Ontwerp met zes signaallagen (niet aanbevolen)<span class=\"ez-toc-section-end\"><\/span><\/h3><p><strong>Structuur Kenmerken<\/strong>:<\/p><ol class=\"wp-block-list\"><li><strong>Bovenste laag<\/strong>: Signaal 1 (Componentenzijde\/Microstrip-routeringslaag)<\/li>\n\n<li><strong>Binnenste laag<\/strong>: Signaal 2 (X-richting microstrip, premium routeringslaag)<\/li>\n\n<li><strong>Binnenste laag<\/strong>Aarde (Massavlak)<\/li>\n\n<li><strong>Binnenste laag<\/strong>Signaal 3 (Y-richting striplijn, premium routeringslaag)<\/li>\n\n<li><strong>Binnenste laag<\/strong>Signaal 4 (Stripline routeringslaag)<\/li>\n\n<li><strong>Binnenste laag<\/strong>Vermogen (Power plane)<\/li>\n\n<li><strong>Binnenste laag<\/strong>Signaal 5 (Microstrip-routeringslaag)<\/li>\n\n<li><strong>Onderste laag<\/strong>: Signaal 6 (Microstrip-routeringslaag)<\/li><\/ol><p><strong>Analyse van nadelen<\/strong>:<\/p><ul class=\"wp-block-list\"><li>Slechte elektromagnetische absorptie<\/li>\n\n<li>Hoge vermogensimpedantie<\/li>\n\n<li>Onvolledige signaalretourpaden<\/li>\n\n<li>Inferieure EMI-prestaties<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Option_2_Four_Signal_Layer_Design_Recommended\"><\/span>Optie 2: Ontwerp met vier signaallagen (aanbevolen)<span class=\"ez-toc-section-end\"><\/span><\/h3><p><strong>Verbeterde functies<\/strong>:<\/p><ol class=\"wp-block-list\"><li><strong>Bovenste laag<\/strong>: Signaal 1 (Componentzijde\/Microstrip, premium routeringslaag)<\/li>\n\n<li><strong>Binnenste laag<\/strong>Aarde (aardingsvlak met lage impedantie, uitstekende EM-absorptie)<\/li>\n\n<li><strong>Binnenste laag<\/strong>Signaal 2 (Stripline, premium routeringslaag)<\/li>\n\n<li><strong>Binnenste laag<\/strong>Vermogen (vermogensvlak dat capacitieve koppeling vormt met aangrenzende aarde)<\/li>\n\n<li><strong>Binnenste laag<\/strong>Aarde (Massavlak)<\/li>\n\n<li><strong>Binnenste laag<\/strong>Signaal 3 (Stripline, premium routeringslaag)<\/li>\n\n<li><strong>Binnenste laag<\/strong>Vermogen (Power plane)<\/li>\n\n<li><strong>Onderste laag<\/strong>Signaal 4 (Microstrip, premium routeringslaag)<\/li><\/ol><p><strong>Voordelen<\/strong>:<br>\u2713 Specifiek referentievlak voor elke signaallaag<br>\u2713 Nauwkeurige impedantieregeling (\u00b110%)<br>\u2713 Verminderde overspraak (orthogonale routering tussen aangrenzende lagen)<br>\u2713 40% verbetering in stroomintegriteit<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Option_3_Optimal_Four_Signal_Layer_Design_Highly_Recommended\"><\/span>Optie 3: Optimaal ontwerp met vier signaallagen (sterk aanbevolen)<span class=\"ez-toc-section-end\"><\/span><\/h3><p><strong>Structuur van de Gouden Regel<\/strong>:<\/p><ol class=\"wp-block-list\"><li><strong>Bovenste laag<\/strong>: Signaal 1 (Componentzijde\/Microstrip)<\/li>\n\n<li><strong>Binnenste laag<\/strong>Massa (massief massavlak)<\/li>\n\n<li><strong>Binnenste laag<\/strong>Signaal 2 (Stripline)<\/li>\n\n<li><strong>Binnenste laag<\/strong>Vermogen (Power plane)<\/li>\n\n<li><strong>Binnenste laag<\/strong>Aarde (kern-aardvlak)<\/li>\n\n<li><strong>Binnenste laag<\/strong>Signaal 3 (Stripline)<\/li>\n\n<li><strong>Binnenste laag<\/strong>Aarde (Afschermingsaardingsvlak)<\/li>\n\n<li><strong>Onderste laag<\/strong>Signaal 4 (Microstrip)<\/li><\/ol><p><strong>Uitstekende prestaties<\/strong>:<br>\u2605 Vijf grondvlakken zorgen voor perfecte EM-afscherming<br>\u2605 &lt;3mil afstand tussen voeding en aarde voor optimale ontkoppeling<br>\u2605 Symmetrische laagverdeling voorkomt kromtrekken<br>\u2605 Ondersteunt 20Gbps signalering met hoge snelheid<\/p><p><strong>Ontwerpaanbevelingen ~4,3-4,8)<\/strong>:<\/p><ol class=\"wp-block-list\"><li>Routeer kritische signalen eerst op S2\/S3 striplijnlagen<\/li>\n\n<li>Ontwerp van gesplitste vermogensvlakken implementeren<\/li>\n\n<li>Beperk de bovenste\/onderste laag sporen tot &lt;5mm lengte<\/li>\n\n<li>Behoud orthogonale routing tussen aangrenzende signaallagen<\/li><\/ol><h2><strong>Stapeldikte referentie<\/strong><\/h2><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Laag<\/th><th>Materiaal<\/th><th>Dikte (mil)<\/th><\/tr><\/thead><tbody><tr><td>1-2<\/td><td>FR4<\/td><td>3.2<\/td><\/tr><tr><td>2-3<\/td><td>1080PP<\/td><td>4.5<\/td><\/tr><tr><td>4-5<\/td><td>Kern<\/td><td>8.0<\/td><\/tr><tr><td>6-7<\/td><td>2116PP<\/td><td>5.2<\/td><\/tr><tr><td>7-8<\/td><td>FR4<\/td><td>3.2<\/td><\/tr><\/tbody><\/table><\/figure><p>Opmerking: Alle ontwerpen moeten blinde\/ingegraven vias bevatten voor een optimaal gebruik van de routeringsruimte.<\/p>","protected":false},"excerpt":{"rendered":"<p>Een 8-lagen PCB-stack bestaat meestal uit signaal-, voedings- en aardlagen.<\/p>","protected":false},"author":1,"featured_media":2364,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[112],"tags":[216,215],"class_list":["post-2334","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge","tag-8-layer-pcb","tag-8-layer-pcb-stackup"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>8-Layer PCB Stackup - Topfastpcb<\/title>\n<meta name=\"description\" content=\"An 8-layer PCB stack typically consists of signal, power, and ground layers.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.topfastpcb.com\/nl\/blog\/8-layer-pcb-stackup\/\" \/>\n<meta property=\"og:locale\" content=\"nl_NL\" \/>\n<meta property=\"og:type\" 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