{"id":3485,"date":"2025-06-30T08:30:00","date_gmt":"2025-06-30T00:30:00","guid":{"rendered":"https:\/\/www.topfastpcb.com\/?p=3485"},"modified":"2025-06-26T16:10:19","modified_gmt":"2025-06-26T08:10:19","slug":"how-to-design-impedance-control-for-pcb","status":"publish","type":"post","link":"https:\/\/www.topfastpcb.com\/ar\/blog\/how-to-design-impedance-control-for-pcb\/","title":{"rendered":"\u0643\u064a\u0641\u064a\u0629 \u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629 \u0644\u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631\u061f"},"content":{"rendered":"<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\">\u062c\u062f\u0648\u0644 \u0627\u0644\u0645\u062d\u062a\u0648\u064a\u0627\u062a<\/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\/ar\/blog\/how-to-design-impedance-control-for-pcb\/#The_Importance_of_PCB_Impedance_Control\" >\u0623\u0647\u0645\u064a\u0629 \u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0645\u0639\u0627\u0648\u0642\u0629 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/how-to-design-impedance-control-for-pcb\/#The_Four_Pillars_of_Impedance_Control\" >\u0627\u0644\u0631\u0643\u0627\u0626\u0632 \u0627\u0644\u0623\u0631\u0628\u0639 \u0644\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/how-to-design-impedance-control-for-pcb\/#1_Material_Selection\" >1. \u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0648\u0627\u062f<\/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\/ar\/blog\/how-to-design-impedance-control-for-pcb\/#2_Laminated_design\" >2.\u062a\u0635\u0645\u064a\u0645 \u0645\u0635\u0641\u062d<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/how-to-design-impedance-control-for-pcb\/#3_Wiring_design\" >3.\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0623\u0633\u0644\u0627\u0643<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/how-to-design-impedance-control-for-pcb\/#4_Manufacturing_Process\" >4.\u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u062a\u0635\u0646\u064a\u0639<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/how-to-design-impedance-control-for-pcb\/#Common_Impedance_Control_Issues_Solutions\" >\u0645\u0634\u0643\u0644\u0627\u062a \u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629 \u0627\u0644\u0634\u0627\u0626\u0639\u0629 &amp;amp\u061b \u0627\u0644\u062d\u0644\u0648\u0644<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/how-to-design-impedance-control-for-pcb\/#Issue_1_Via-Induced_Impedance_Discontinuity\" >\u0627\u0644\u0625\u0635\u062f\u0627\u0631 1: \u0627\u0646\u0642\u0637\u0627\u0639 \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u0646\u0627\u062c\u0645 \u0639\u0646 \u0637\u0631\u064a\u0642 \u0627\u0644\u0627\u062a\u0635\u0627\u0644 \u0627\u0644\u0645\u0631\u0626\u064a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/how-to-design-impedance-control-for-pcb\/#Issue_2_Connector_Transition_Zone_Impedance_Mismatch\" >\u0627\u0644\u0645\u0634\u0643\u0644\u0629 2: \u0639\u062f\u0645 \u062a\u0637\u0627\u0628\u0642 \u0645\u0639\u0627\u0648\u0642\u0629 \u0645\u0646\u0637\u0642\u0629 \u0627\u0646\u062a\u0642\u0627\u0644 \u0627\u0644\u0645\u0648\u0635\u0644\u0627\u062a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/how-to-design-impedance-control-for-pcb\/#Issue_3_Board_Edge_Radiation_Causing_Impedance_Fluctuation\" >\u0627\u0644\u0645\u0634\u0643\u0644\u0629 3: \u0625\u0634\u0639\u0627\u0639 \u062d\u0627\u0641\u0629 \u0627\u0644\u0644\u0648\u062d\u0629 \u0627\u0644\u0630\u064a \u064a\u0633\u0628\u0628 \u062a\u0630\u0628\u0630\u0628 \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/how-to-design-impedance-control-for-pcb\/#Case_Study_10Gbps_SerDes_Channel_Impedance_Optimization\" >\u062f\u0631\u0627\u0633\u0629 \u062d\u0627\u0644\u0629: \u062a\u062d\u0633\u064a\u0646 \u0645\u0639\u0627\u0648\u0642\u0629 \u0627\u0644\u0642\u0646\u0627\u0629 SerDes \u0628\u0633\u0631\u0639\u0629 10 \u062c\u064a\u062c\u0627\u0628\u062a \u0641\u064a \u0627\u0644\u062b\u0627\u0646\u064a\u0629<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/how-to-design-impedance-control-for-pcb\/#Emerging_Technologies\" >\u0627\u0644\u062a\u0642\u0646\u064a\u0627\u062a \u0627\u0644\u0646\u0627\u0634\u0626\u0629<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/how-to-design-impedance-control-for-pcb\/#Engineers_Checklist\" >\u0642\u0627\u0626\u0645\u0629 \u0627\u0644\u0645\u0631\u0627\u062c\u0639\u0629 \u0627\u0644\u062e\u0627\u0635\u0629 \u0628\u0627\u0644\u0645\u0647\u0646\u062f\u0633&amp;8217;\u0642\u0627\u0626\u0645\u0629 \u0627\u0644\u0645\u0631\u0627\u062c\u0639\u0629 \u0627\u0644\u062e\u0627\u0635\u0629 \u0628\u0627\u0644\u0645\u0647\u0646\u062f\u0633<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_Importance_of_PCB_Impedance_Control\"><\/span>\u0623\u0647\u0645\u064a\u0629 \u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0645\u0639\u0627\u0648\u0642\u0629 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631<span class=\"ez-toc-section-end\"><\/span><\/h2><p>\u0641\u064a \u0627\u0644\u0623\u062c\u0647\u0632\u0629 \u0627\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0629 \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0633\u0631\u0639\u0629 \u0627\u0644\u064a\u0648\u0645\u060c \u062a\u0632\u062f\u0627\u062f \u0633\u0631\u0639\u0627\u062a \u0646\u0642\u0644 \u0627\u0644\u0625\u0634\u0627\u0631\u0627\u062a \u0623\u0643\u062b\u0631 \u0641\u0623\u0643\u062b\u0631\u060c \u0648\u0623\u0635\u0628\u062d \u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0645\u0639\u0627\u0648\u0642\u0629 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0639\u0627\u0645\u0644\u0627\u064b \u0631\u0626\u064a\u0633\u064a\u064b\u0627 \u0641\u064a \u062a\u062d\u062f\u064a\u062f \u0646\u062c\u0627\u062d \u0623\u0648 \u0641\u0634\u0644 \u0627\u0644\u062a\u0635\u0645\u064a\u0645. \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u062a\u0633\u0628\u0628 \u0639\u062f\u0645 \u062a\u0637\u0627\u0628\u0642 \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629 \u0641\u064a \u062d\u062f\u0648\u062b \u0645\u0634\u0627\u0643\u0644 \u0641\u064a \u0627\u0646\u0639\u0643\u0627\u0633 \u0627\u0644\u0625\u0634\u0627\u0631\u0629\u060c \u0648\u0627\u0644\u0631\u0646\u064a\u0646\u060c \u0648\u0627\u0644\u062a\u062c\u0627\u0648\u0632\u060c \u0645\u0645\u0627 \u064a\u0624\u062b\u0631 \u0628\u0634\u0643\u0644 \u062e\u0637\u064a\u0631 \u0639\u0644\u0649 \u0633\u0644\u0627\u0645\u0629 \u0627\u0644\u0625\u0634\u0627\u0631\u0629. \u0648\u0648\u0641\u0642\u064b\u0627 \u0644\u0644\u0625\u062d\u0635\u0627\u0621\u0627\u062a\u060c \u0641\u0625\u0646 \u0623\u0643\u062b\u0631 \u0645\u0646 60% \u0645\u0646 \u062d\u0627\u0644\u0627\u062a \u0641\u0634\u0644 \u0627\u0644\u062f\u0648\u0627\u0626\u0631 \u0627\u0644\u0631\u0642\u0645\u064a\u0629 \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0633\u0631\u0639\u0629 \u0645\u0631\u062a\u0628\u0637\u0629 \u0628\u0627\u0644\u062a\u062d\u0643\u0645 \u063a\u064a\u0631 \u0627\u0644\u0633\u0644\u064a\u0645 \u0641\u064a \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629. \u0644\u0630\u0644\u0643\u060c \u0645\u0646 \u0627\u0644\u0636\u0631\u0648\u0631\u064a \u0625\u062a\u0642\u0627\u0646 \u062a\u0642\u0646\u064a\u0629 \u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0645\u0642\u0627\u0648\u0645\u0629 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631.<\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"402\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/impedance-control-2.jpg\" alt=\"\u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629\" class=\"wp-image-3487\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/impedance-control-2.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/impedance-control-2-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/impedance-control-2-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_Four_Pillars_of_Impedance_Control\"><\/span>\u0627\u0644\u0631\u0643\u0627\u0626\u0632 \u0627\u0644\u0623\u0631\u0628\u0639 \u0644\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629<span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Material_Selection\"><\/span>1. \u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0648\u0627\u062f<span class=\"ez-toc-section-end\"><\/span><\/h3><p><em>&#8220;\u0627\u062e\u062a\u0631 \u0627\u0644\u0645\u0627\u062f\u0629 \u0627\u0644\u0645\u0646\u0627\u0633\u0628\u0629\u060c \u0648\u0633\u062a\u0643\u0648\u0646 \u0642\u062f \u0642\u0637\u0639\u062a \u0646\u0635\u0641 \u0627\u0644\u0637\u0631\u064a\u0642 \u0646\u062d\u0648 \u0627\u0644\u0646\u062c\u0627\u062d&#8221;\u060c&#8221;\u060c \u0641\u064a \u0645\u0646\u062a\u0635\u0641 \u0627\u0644\u0637\u0631\u064a\u0642 \u0625\u0644\u0649 \u0627\u0644\u0646\u062c\u0627\u062d&amp;#8221<\/em>-\u0647\u0630\u0627 \u0635\u062d\u064a\u062d \u0628\u0634\u0643\u0644 \u062e\u0627\u0635 \u0641\u064a \u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629:<\/p><ul class=\"wp-block-list\"><li><strong>\u0627\u0644\u0645\u0648\u0627\u062f \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u062a\u0631\u062f\u062f \u0627\u0644\u0645\u0648\u0635\u0649 \u0628\u0647\u0627<\/strong>: \u0631\u0648\u062c\u0631\u0632 RO4350B (\u03b5r=3.48)\u060c \u0648\u0625\u064a\u0632\u0648\u0644\u0627 I-Tera MT40 (\u03b5r=3.45)\u060c \u0648\u063a\u064a\u0631\u0647\u0627 \u0645\u0646 \u0627\u0644\u0645\u0648\u0627\u062f \u0645\u0646\u062e\u0641\u0636\u0629 \u0627\u0644\u062e\u0633\u0627\u0631\u0629 \u0647\u064a \u062e\u064a\u0627\u0631\u0627\u062a \u0645\u062b\u0627\u0644\u064a\u0629.<\/li>\n\n<li><strong>\u062d\u062f\u0648\u062f FR4 \u0627\u0644\u062a\u0642\u0644\u064a\u062f\u064a\u0629<\/strong>: \u0627\u0644\u062a\u0642\u0644\u0628\u0627\u062a \u0627\u0644\u0643\u0628\u064a\u0631\u0629 \u0644\u062b\u0627\u0628\u062a \u0627\u0644\u0639\u0632\u0644 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a (4.2-4.7) \u0648\u0627\u0644\u0638\u0644 \u0627\u0644\u0639\u0627\u0644\u064a \u0644\u0644\u062e\u0633\u0627\u0631\u0629 (0.02) \u062a\u062c\u0639\u0644\u0647 \u063a\u064a\u0631 \u0645\u0646\u0627\u0633\u0628 \u0644\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u062a\u064a \u062a\u0632\u064a\u062f \u0639\u0646 10 \u062c\u064a\u062c\u0627 \u0647\u0631\u062a\u0632.<\/li>\n\n<li><strong>\u0627\u062e\u062a\u064a\u0627\u0631 \u0631\u0642\u0627\u0626\u0642 \u0627\u0644\u0646\u062d\u0627\u0633 \u0627\u0644\u0645\u062e\u062a\u0627\u0631\u0629<\/strong>: \u062a\u0642\u0644\u0644 \u0627\u0644\u0631\u0642\u0627\u0626\u0642 \u0627\u0644\u0646\u062d\u0627\u0633\u064a\u0629 \u0645\u0646\u062e\u0641\u0636\u0629 \u0627\u0644\u0645\u0638\u0647\u0631 (LP foil) \u0645\u0646 \u062e\u0634\u0648\u0646\u0629 \u0627\u0644\u0633\u0637\u062d \u0628\u0646\u0633\u0628\u0629 30% \u0645\u0642\u0627\u0631\u0646\u0629\u064b \u0628\u0627\u0644\u0631\u0642\u0627\u0626\u0642 \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629 \u0645\u0645\u0627 \u064a\u0642\u0644\u0644 \u0628\u0634\u0643\u0644 \u0643\u0628\u064a\u0631 \u0645\u0646 \u062e\u0633\u0627\u0626\u0631 \u0627\u0644\u062a\u0631\u062f\u062f\u0627\u062a \u0627\u0644\u0639\u0627\u0644\u064a\u0629.<\/li><\/ul><p><strong>\u0646\u0635\u064a\u062d\u0629 \u062e\u0628\u064a\u0631<\/strong>: \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u062a\u0631\u062f\u062f\u0627\u062a \u0630\u0627\u062a \u0627\u0644\u0645\u0648\u062c\u0627\u062a \u0627\u0644\u0645\u0644\u064a\u0645\u062a\u0631\u064a\u0629 (24 \u062c\u064a\u062c\u0627 \u0647\u0631\u062a\u0632 \u0648\u0645\u0627 \u0641\u0648\u0642)\u060c \u0636\u0639 \u0641\u064a \u0627\u0639\u062a\u0628\u0627\u0631\u0643 \u0627\u0644\u0645\u0648\u0627\u062f \u0630\u0627\u062a \u0627\u0644\u062e\u0633\u0627\u0631\u0629 \u0627\u0644\u0645\u0646\u062e\u0641\u0636\u0629 \u0644\u0644\u063a\u0627\u064a\u0629 \u0645\u062b\u0644 \u0631\u0648\u062c\u0631\u0632 RT\/\u062f\u0648\u064a\u062f 5880 (\u03b5r=2.2).<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Laminated_design\"><\/span>2.\u062a\u0635\u0645\u064a\u0645 \u0645\u0635\u0641\u062d<span class=\"ez-toc-section-end\"><\/span><\/h3><p>\u064a\u062c\u0628 \u0623\u0646 \u064a\u0623\u062e\u0630 \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0645\u0643\u062f\u0633 \u0627\u0644\u0645\u0645\u062a\u0627\u0632 \u0641\u064a \u0627\u0644\u0627\u0639\u062a\u0628\u0627\u0631:<\/p><ul class=\"wp-block-list\"><li><strong>\u0647\u064a\u0643\u0644 \u0645\u062a\u0645\u0627\u062b\u0644<\/strong>: \u064a\u0645\u0646\u0639 \u0627\u0639\u0648\u062c\u0627\u062c \u0627\u0644\u0644\u0648\u062d\u0629\u060c \u0645\u062b\u0644 &#8220;\u0625\u0634\u0627\u0631\u0629-\u0623\u0631\u0636-\u0625\u0634\u0627\u0631\u0629-\u0625\u0634\u0627\u0631\u0629-\u0623\u0631\u0636&#8221; \u062a\u0631\u062a\u064a\u0628 \u0645\u062a\u0645\u0627\u062b\u0644.<\/li>\n\n<li><strong>\u0633\u064f\u0645\u0643 \u0627\u0644\u0637\u0628\u0642\u0629 \u0627\u0644\u0628\u064a\u0646\u064a\u0629<\/strong>: \u0627\u0644\u0642\u064a\u0645 \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a\u0629 \u0627\u0644\u0645\u0648\u0635\u0649 \u0628\u0647\u0627:<\/li>\n\n<li>\u0637\u0628\u0642\u0629 \u0633\u0637\u062d\u064a\u0629 \u0623\u062d\u0627\u062f\u064a\u0629 \u0627\u0644\u0637\u0631\u0641 \u0623\u062d\u0627\u062f\u064a\u0629 \u0627\u0644\u0637\u0631\u0641 50\u03a9:\u0633\u0645\u0643 \u0639\u0627\u0632\u0644 \u0645\u0646 5-6 \u0645\u064a\u0644 (\u0639\u0631\u0636 \u0627\u0644\u062a\u062a\u0628\u0639 8-10 \u0645\u064a\u0644).<\/li>\n\n<li>\u0637\u0628\u0642\u0629 \u062f\u0627\u062e\u0644\u064a\u0629 \u0623\u062d\u0627\u062f\u064a\u0629 \u0627\u0644\u0637\u0631\u0641 \u0623\u062d\u0627\u062f\u064a\u0629 \u0627\u0644\u0637\u0631\u0641 50\u03a9:\u0633\u0645\u0643 \u0627\u0644\u0639\u0627\u0632\u0644 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a 4-5 \u0645\u064a\u0644 (\u0639\u0631\u0636 \u0627\u0644\u062a\u062a\u0628\u0639 5-7 \u0645\u064a\u0644).<\/li>\n\n<li><strong>\u0627\u0644\u0637\u0627\u0626\u0631\u0627\u062a \u0627\u0644\u0645\u0631\u062c\u0639\u064a\u0629<\/strong>: \u0627\u0644\u062a\u0623\u0643\u062f \u0645\u0646 \u0623\u0646 \u0637\u0628\u0642\u0627\u062a \u0627\u0644\u0625\u0634\u0627\u0631\u0629 \u0645\u062c\u0627\u0648\u0631\u0629 \u0644\u0645\u0633\u062a\u0648\u064a\u0627\u062a \u0623\u0631\u0636\u064a\u0629 \u0643\u0627\u0645\u0644\u0629\u060c \u0648\u062a\u062c\u0646\u0628 \u0627\u0644\u0627\u0646\u0642\u0633\u0627\u0645\u0627\u062a.<\/li><\/ul><p><strong>\u062f\u0631\u0627\u0633\u0629 \u062d\u0627\u0644\u0629<\/strong>\u0644\u0648\u062d\u0629 \u0645\u0646 6 \u0637\u0628\u0642\u0627\u062a \u0645\u064f\u062d\u0633\u0651\u0646\u0629 \u0644\u0644\u062a\u0643\u062f\u064a\u0633 \u0645\u064f\u062d\u0633\u0651\u0646\u0629 \u0644\u0633\u0644\u0627\u0645\u0629 \u0627\u0644\u0625\u0634\u0627\u0631\u0629 \u0628\u0646\u0633\u0628\u0629 40%:<\/p><pre class=\"wp-block-code\"><code>\u0627\u0644\u0637\u0628\u0642\u06291:\u0625\u0634\u0627\u0631\u0629 (\u0634\u0631\u064a\u0637 \u062f\u0642\u064a\u0642) \n\u0627\u0644\u0637\u0628\u0642\u0629 2: \u0645\u0633\u062a\u0648\u0649 \u0623\u0631\u0636\u064a \u0635\u0644\u0628 \n\u0627\u0644\u0637\u0628\u0642\u0629 3: \u0625\u0634\u0627\u0631\u0629 (\u062e\u0637 \u0645\u062e\u0637\u0637) \n\u0627\u0644\u0637\u0628\u0642\u0629 4: \u0625\u0634\u0627\u0631\u0629 (\u062e\u0637 \u0645\u062e\u0637\u0637) \n\u0627\u0644\u0637\u0628\u0642\u0629 5: \u0645\u0633\u062a\u0648\u0649 \u0623\u0631\u0636\u064a \u0635\u0644\u0628 \n\u0627\u0644\u0637\u0628\u0642\u0629 6: \u0625\u0634\u0627\u0631\u0629 (\u0634\u0631\u064a\u0637 \u062f\u0642\u064a\u0642)  <\/code><\/pre><p><strong><a href=\"https:\/\/www.topfastpcb.com\/ar\/contact\/\">\u0627\u0633\u062a\u0634\u0631 \u062e\u0628\u064a\u0631 \u062a\u0635\u0645\u064a\u0645 \u0645\u062d\u062a\u0631\u0641 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631<\/a>\u060c \u064a\u0636\u0645\u0646 \u062a\u0635\u0645\u064a\u0645 \u062a\u0643\u062f\u064a\u0633 \u0627\u0644\u0637\u0628\u0642\u0627\u062a \u0627\u0644\u0639\u0644\u0645\u064a\u0629 \u0645\u0648\u062b\u0648\u0642\u064a\u0629 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631<\/strong><\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Wiring_design\"><\/span>3.\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0623\u0633\u0644\u0627\u0643<span class=\"ez-toc-section-end\"><\/span><\/h3><p><strong>\u0645\u0639\u0627\u062f\u0644\u0629 \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629<\/strong> (\u062a\u0642\u0631\u064a\u0628 \u0627\u0644\u0634\u0631\u064a\u0637 \u0627\u0644\u062f\u0642\u064a\u0642):<\/p><p>Z\u2080 \u2248 (87\/\u221a (\u03b5r+1.41)) \u00d7 ln (5.98h\/(0.8w+t))<\/p><p>\u0623\u064a\u0646:<\/p><ul class=\"wp-block-list\"><li>Z\u2080: \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629 \u0627\u0644\u0645\u0645\u064a\u0632\u0629 (\u03a9)<\/li>\n\n<li>\u03b5r\u062b\u0627\u0628\u062a \u0627\u0644\u0639\u0632\u0644 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a \u0627\u0644\u0646\u0633\u0628\u064a<\/li>\n\n<li>h:\u0633\u064f\u0645\u0643 \u0627\u0644\u0639\u0627\u0632\u0644 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a (\u0645\u0644)<\/li>\n\n<li>w:\u0639\u0631\u0636 \u0627\u0644\u062a\u062a\u0628\u0639 (\u0645\u0644)<\/li>\n\n<li>t:\u0633\u064f\u0645\u0643 \u0627\u0644\u0646\u062d\u0627\u0633 (\u0645\u0644)<\/li><\/ul><p><strong>\u0646\u0635\u0627\u0626\u062d \u0639\u0645\u0644\u064a\u0629<\/strong>:<\/p><ul class=\"wp-block-list\"><li>\u0627\u0633\u062a\u062e\u062f\u0645 \u062d\u0627\u0633\u0628\u0627\u062a \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629 \u0627\u0644\u0642\u0637\u0628\u064a\u0629 Si9000 \u0623\u0648 \u062d\u0627\u0633\u0628\u0627\u062a \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629 Altium \u0644\u0625\u062c\u0631\u0627\u0621 \u062d\u0633\u0627\u0628\u0627\u062a \u062f\u0642\u064a\u0642\u0629.<\/li>\n\n<li>\u0627\u062a\u0628\u0639 \u0642\u0627\u0639\u062f\u0629 3W&#8220;3W&amp;#8221\u061b \u0644\u0644\u0623\u0632\u0648\u0627\u062c \u0627\u0644\u062a\u0641\u0627\u0636\u0644\u064a\u0629: \u0627\u0644\u062a\u0628\u0627\u0639\u062f \u2265 3\u00d7 \u0639\u0631\u0636 \u0627\u0644\u062a\u062a\u0628\u0639.<\/li>\n\n<li>\u062a\u0637\u0627\u0628\u0642 \u0623\u0637\u0648\u0627\u0644 \u0627\u0644\u0625\u0634\u0627\u0631\u0627\u062a \u0627\u0644\u062d\u0631\u062c\u0629 \u0641\u064a \u062d\u062f\u0648\u062f \u00b1 5 \u0645\u064a\u0644 \u0645\u0646 \u0627\u0644\u062a\u0641\u0627\u0648\u062a \u0627\u0644\u0645\u0633\u0645\u0648\u062d \u0628\u0647.<\/li><\/ul><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"402\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/impedance-control-3.jpg\" alt=\"\u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629\" class=\"wp-image-3488\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/impedance-control-3.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/impedance-control-3-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/impedance-control-3-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_Manufacturing_Process\"><\/span>4.\u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u062a\u0635\u0646\u064a\u0639<span class=\"ez-toc-section-end\"><\/span><\/h3><p>\u0639\u0646\u062f \u0627\u0644\u062a\u0639\u0627\u0648\u0646 \u0645\u0639 <a href=\"https:\/\/www.topfastpcb.com\/ar\/\">\u0627\u0644\u0634\u0631\u0643\u0627\u062a \u0627\u0644\u0645\u0635\u0646\u0639\u0629 \u0644\u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631<\/a>\u062a\u0623\u0643\u064a\u062f:<\/p><ul class=\"wp-block-list\"><li><strong>\u062a\u062d\u0645\u0644 \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629<\/strong>: \u0639\u0627\u062f\u0629\u064b \u00b1 10\u066a\u060c \u00b1 7\u066a \u0644\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u0645\u062a\u0637\u0648\u0631\u0629.<\/li>\n\n<li><strong>\u0633\u064f\u0645\u0643 \u0627\u0644\u0646\u062d\u0627\u0633 \u0627\u0644\u0646\u0647\u0627\u0626\u064a<\/strong>: 1 \u0623\u0648\u0646\u0635\u0629 \u0645\u0646 \u0627\u0644\u0646\u062d\u0627\u0633 \u2248 1.4 \u0645\u064a\u0644 (35 \u0645\u064a\u0643\u0631\u0648\u0645\u062a\u0631) \u0627\u0644\u0633\u0645\u0627\u0643\u0629 \u0627\u0644\u0641\u0639\u0644\u064a\u0629.<\/li>\n\n<li><strong>\u062a\u0628\u0627\u064a\u0646 \u0633\u064f\u0645\u0643 \u0627\u0644\u0639\u0627\u0632\u0644 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a<\/strong>: \u0639\u0627\u062f\u0629\u064b \u0641\u064a \u062d\u062f\u0648\u062f \u00b1 10%.<\/li>\n\n<li><strong>\u062a\u0634\u0637\u064a\u0628 \u0627\u0644\u0633\u0637\u062d<\/strong>ENIG \u0623\u0641\u0636\u0644 \u0645\u0646 HASL \u0644\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u062a\u0631\u062f\u062f.<\/li><\/ul><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Common_Impedance_Control_Issues_Solutions\"><\/span>\u0645\u0634\u0643\u0644\u0627\u062a \u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629 \u0627\u0644\u0634\u0627\u0626\u0639\u0629 &amp;amp\u061b \u0627\u0644\u062d\u0644\u0648\u0644<span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Issue_1_Via-Induced_Impedance_Discontinuity\"><\/span>\u0627\u0644\u0625\u0635\u062f\u0627\u0631 1: \u0627\u0646\u0642\u0637\u0627\u0639 \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u0646\u0627\u062c\u0645 \u0639\u0646 \u0637\u0631\u064a\u0642 \u0627\u0644\u0627\u062a\u0635\u0627\u0644 \u0627\u0644\u0645\u0631\u0626\u064a<span class=\"ez-toc-section-end\"><\/span><\/h3><p><strong>\u0627\u0644\u062d\u0644\u0648\u0644<\/strong>:<\/p><ul class=\"wp-block-list\"><li>\u0627\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u062d\u0641\u0631 \u0627\u0644\u062e\u0644\u0641\u064a \u0644\u0625\u0632\u0627\u0644\u0629 \u0627\u0644\u0632\u0627\u0626\u062f \u0639\u0628\u0631 \u0627\u0644\u0643\u0639\u0648\u0628.<\/li>\n\n<li>\u0623\u0636\u0641 \u0648\u0635\u0644\u0627\u062a \u0623\u0631\u0636\u064a\u0629 \u0628\u0627\u0644\u0642\u0631\u0628 \u0645\u0646 \u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0625\u0634\u0627\u0631\u0627\u062a \u0627\u0644\u062d\u0631\u062c\u0629 (\u0628\u0645\u0633\u0627\u0641\u0629 150 \u0645\u064a\u0644).<\/li>\n\n<li>\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0645\u064a\u0643\u0631\u0648\u0641\u064a\u0627\u062a \u0627\u0644\u062f\u0642\u064a\u0642\u0629 (&lt;6 \u0645\u064a\u0644) \u0644\u062a\u0642\u0644\u064a\u0644 \u0627\u0644\u062a\u0623\u062b\u064a\u0631\u0627\u062a \u0627\u0644\u0637\u0641\u064a\u0644\u064a\u0629.<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Issue_2_Connector_Transition_Zone_Impedance_Mismatch\"><\/span>\u0627\u0644\u0645\u0634\u0643\u0644\u0629 2: \u0639\u062f\u0645 \u062a\u0637\u0627\u0628\u0642 \u0645\u0639\u0627\u0648\u0642\u0629 \u0645\u0646\u0637\u0642\u0629 \u0627\u0646\u062a\u0642\u0627\u0644 \u0627\u0644\u0645\u0648\u0635\u0644\u0627\u062a<span class=\"ez-toc-section-end\"><\/span><\/h3><p><strong>\u0627\u0644\u062d\u0644\u0648\u0644<\/strong>:<\/p><ul class=\"wp-block-list\"><li>\u062a\u0635\u0645\u064a\u0645 \u0645\u0633\u0627\u0631\u0627\u062a \u0645\u062f\u0628\u0628\u0629 \u0644\u0627\u0646\u062a\u0642\u0627\u0644 \u0633\u0644\u0633 \u0644\u0644\u0645\u0639\u0627\u0648\u0642\u0629.<\/li>\n\n<li>\u0627\u0633\u062a\u062e\u062f\u0645 \u0647\u064a\u0627\u0643\u0644 \u0627\u0644\u062f\u0644\u064a\u0644 \u0627\u0644\u0645\u0648\u062c\u064a \u0627\u0644\u0645\u0633\u062a\u0648\u064a \u0644\u062a\u0639\u0632\u064a\u0632 \u0627\u0644\u0627\u0633\u062a\u0645\u0631\u0627\u0631\u064a\u0629 \u0627\u0644\u0623\u0631\u0636\u064a\u0629.<\/li>\n\n<li>\u0627\u062e\u062a\u0631 \u0645\u0648\u0635\u0644\u0627\u062a \u0645\u062a\u0637\u0627\u0628\u0642\u0629 \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629 (\u0645\u062b\u0644 \u0633\u0644\u0633\u0644\u0629 Samtec SEARAY).<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Issue_3_Board_Edge_Radiation_Causing_Impedance_Fluctuation\"><\/span>\u0627\u0644\u0645\u0634\u0643\u0644\u0629 3: \u0625\u0634\u0639\u0627\u0639 \u062d\u0627\u0641\u0629 \u0627\u0644\u0644\u0648\u062d\u0629 \u0627\u0644\u0630\u064a \u064a\u0633\u0628\u0628 \u062a\u0630\u0628\u0630\u0628 \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629<span class=\"ez-toc-section-end\"><\/span><\/h3><p><strong>\u0627\u0644\u062d\u0644\u0648\u0644<\/strong>:<\/p><ul class=\"wp-block-list\"><li>\u062a\u0637\u0628\u064a\u0642 \u0642\u0627\u0639\u062f\u0629 20H&#8220;20H&#8221; \u062a\u0637\u0628\u064a\u0642 \u0642\u0627\u0639\u062f\u0629 20H&#8221;: \u0645\u0633\u062a\u0648\u0649 \u0637\u0627\u0642\u0629 \u0645\u062f\u0645\u062c \u0628\u0633\u064f\u0645\u0643 \u0639\u0627\u0632\u0644 \u0643\u0647\u0631\u0628\u0627\u0626\u064a 20\u00d7.<\/li>\n\n<li>\u0623\u0636\u0641 \u0635\u0641\u0627\u0626\u0641 \u0623\u0631\u0636\u064a\u0629 \u0639\u0628\u0631 \u0627\u0644\u062d\u0648\u0627\u0641 \u0639\u0644\u0649 \u0637\u0648\u0644 \u0627\u0644\u062d\u0648\u0627\u0641 (\u0627\u0644\u0645\u0633\u0627\u0641\u0627\u062a \u0628\u064a\u0646 \u0627\u0644\u062d\u0648\u0627\u0641 &lt;\u03bb\/10).<\/li>\n\n<li>\u062a\u0637\u0628\u064a\u0642 \u0647\u064a\u0627\u0643\u0644 \u0641\u062c\u0648\u0629 \u0627\u0644\u0646\u0637\u0627\u0642\u0627\u062a \u0627\u0644\u0643\u0647\u0631\u0648\u0645\u063a\u0646\u0627\u0637\u064a\u0633\u064a\u0629 (EBG) \u0644\u0642\u0645\u0639 \u0625\u0634\u0639\u0627\u0639 \u0627\u0644\u062d\u0648\u0627\u0641.<\/li><\/ul><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Case_Study_10Gbps_SerDes_Channel_Impedance_Optimization\"><\/span>\u062f\u0631\u0627\u0633\u0629 \u062d\u0627\u0644\u0629: \u062a\u062d\u0633\u064a\u0646 \u0645\u0639\u0627\u0648\u0642\u0629 \u0627\u0644\u0642\u0646\u0627\u0629 SerDes \u0628\u0633\u0631\u0639\u0629 10 \u062c\u064a\u062c\u0627\u0628\u062a \u0641\u064a \u0627\u0644\u062b\u0627\u0646\u064a\u0629<span class=\"ez-toc-section-end\"><\/span><\/h2><p><strong>\u0627\u0644\u062a\u062d\u062f\u064a<\/strong>: \u0623\u0638\u0647\u0631\u062a \u0644\u0648\u062d\u0629 \u062a\u0628\u062f\u064a\u0644 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0644\u0644\u0645\u0624\u0633\u0633\u0629 \u0623\u062e\u0637\u0627\u0621 \u0628\u064a\u0627\u0646\u0627\u062a \u0645\u062a\u0642\u0637\u0639\u0629.<\/p><p><strong>\u0627\u0644\u062a\u062d\u0644\u064a\u0644<\/strong>:<\/p><ol class=\"wp-block-list\"><li>\u0643\u0634\u0641 \u0627\u062e\u062a\u0628\u0627\u0631 TDR \u0639\u0646 \u0648\u062c\u0648\u062f \u062a\u0628\u0627\u064a\u0646 \u0641\u064a \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629 \u0628\u0646\u0633\u0628\u0629 15%.<\/li>\n\n<li>\u0627\u0644\u0633\u0628\u0628 \u0627\u0644\u062c\u0630\u0631\u064a: \u0639\u062f\u0645 \u0643\u0641\u0627\u064a\u0629 \u0627\u0644\u0634\u0642\u0648\u0642 \u0627\u0644\u0623\u0631\u0636\u064a\u0629 \u062d\u0648\u0644 \u0627\u0644\u0623\u0632\u0648\u0627\u062c \u0627\u0644\u062a\u0641\u0627\u0636\u0644\u064a\u0629.<\/li>\n\n<li>\u0644\u0645 \u062a\u0623\u062e\u0630 \u0622\u062b\u0627\u0631 \u0627\u0644\u0633\u0637\u062d \u0641\u064a \u0627\u0644\u062d\u0633\u0628\u0627\u0646 \u062a\u0623\u062b\u064a\u0631\u0627\u062a \u0642\u0646\u0627\u0639 \u0627\u0644\u0644\u062d\u0627\u0645.<\/li><\/ol><p><strong>\u0627\u0644\u062d\u0644<\/strong>:<\/p><ol class=\"wp-block-list\"><li>\u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u0643\u062b\u0627\u0641\u0629 \u0627\u0644\u0623\u0631\u0636\u064a\u0629 \u0639\u0628\u0631 \u0627\u0644\u0643\u062b\u0627\u0641\u0629 (\u0648\u0627\u062d\u062f \u0644\u0643\u0644 200 \u0645\u064a\u0644).<\/li>\n\n<li>\u0639\u0631\u0636 \u0627\u0644\u062a\u062a\u0628\u0639 \u0627\u0644\u0645\u0639\u062f\u0644 \u0644\u062a\u0639\u0648\u064a\u0636 \u0642\u0646\u0627\u0639 \u0627\u0644\u0644\u062d\u0627\u0645 (5 \u0645\u064a\u0644 \u2192 4.8 \u0645\u064a\u0644).<\/li>\n\n<li>\u062a\u062d\u0648\u0644\u062a \u0625\u0644\u0649 \u0642\u0646\u0627\u0639 \u0644\u062d\u0627\u0645 \u0645\u0646\u062e\u0641\u0636 Dk (\u03b5r=3.0).<\/li><\/ol><p><strong>\u0627\u0644\u0646\u062a\u064a\u062c\u0629<\/strong>: \u0627\u0646\u062e\u0641\u0627\u0636 \u0627\u0644\u062a\u0628\u0627\u064a\u0646 \u0641\u064a \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629 \u0625\u0644\u0649 &lt;5\u066a\u060c \u0648\u062a\u062d\u0633\u0646 \u0645\u0639\u062f\u0644 \u062e\u0637\u0623 \u0627\u0644\u0628\u062a 100\u00d7!<\/p><p><strong><a href=\"https:\/\/www.topfastpcb.com\/ar\/contact\/\">\u062a\u0635\u0645\u064a\u0645 \u0627\u062d\u062a\u0631\u0627\u0641\u064a \u0644\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629<\/a> \u0627\u0633\u062a\u0634\u0627\u0631\u0627\u062a \u0644\u062d\u0645\u0627\u064a\u0629 \u062a\u0635\u0645\u064a\u0645\u0643 \u0627\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a.<\/strong><\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"402\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/impedance-control-1.jpg\" alt=\"\u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629\" class=\"wp-image-3489\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/impedance-control-1.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/impedance-control-1-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/impedance-control-1-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Emerging_Technologies\"><\/span>\u0627\u0644\u062a\u0642\u0646\u064a\u0627\u062a \u0627\u0644\u0646\u0627\u0634\u0626\u0629<span class=\"ez-toc-section-end\"><\/span><\/h2><ol class=\"wp-block-list\"><li><strong>\u0645\u0648\u0627\u062f \u0645\u0646\u062e\u0641\u0636\u0629 \u0627\u0644\u062e\u0633\u0627\u0631\u0629 \u0644\u0644\u063a\u0627\u064a\u0629<\/strong>:: \u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c \u0628\u0627\u0646\u0627\u0633\u0648\u0646\u064a\u0643 MEGTRON6 (Df=0.002).<\/li>\n\n<li><strong>\u062a\u0642\u0646\u064a\u0629 \u0627\u0644\u0639\u0632\u0644 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a \u0627\u0644\u0647\u062c\u064a\u0646<\/strong>: \u0627\u0644\u062c\u0645\u0639 \u0628\u064a\u0646 \u0645\u0648\u0627\u062f \u0630\u0627\u062a \u0642\u064a\u0645 Dk \u0645\u062e\u062a\u0644\u0641\u0629 \u0644\u062a\u062d\u0633\u064a\u0646 \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629 \u0627\u0644\u0645\u0648\u0636\u0639\u064a\u0629.<\/li>\n\n<li><strong>\u0645\u0631\u0643\u0628\u0627\u062a \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0627\u0644\u0645\u0637\u0628\u0648\u0639\u0629 \u062b\u0644\u0627\u062b\u064a\u0629 \u0627\u0644\u0623\u0628\u0639\u0627\u062f<\/strong>: \u062a\u0645\u0643\u064a\u0646 \u0647\u064a\u0627\u0643\u0644 \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629 \u0627\u0644\u0645\u062a\u062f\u0631\u062c\u0629.<\/li>\n\n<li><strong>\u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0628\u0645\u0633\u0627\u0639\u062f\u0629 \u0627\u0644\u0630\u0643\u0627\u0621 \u0627\u0644\u0627\u0635\u0637\u0646\u0627\u0639\u064a<\/strong>\u0623\u062a\u0645\u062a\u0629 \u062a\u062d\u0633\u064a\u0646 \u0634\u0628\u0643\u0629 \u0645\u0637\u0627\u0628\u0642\u0629 \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629.<\/li><\/ol><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Engineers_Checklist\"><\/span>\u0642\u0627\u0626\u0645\u0629 \u0627\u0644\u0645\u0631\u0627\u062c\u0639\u0629 \u0627\u0644\u062e\u0627\u0635\u0629 \u0628\u0627\u0644\u0645\u0647\u0646\u062f\u0633&amp;8217;\u0642\u0627\u0626\u0645\u0629 \u0627\u0644\u0645\u0631\u0627\u062c\u0639\u0629 \u0627\u0644\u062e\u0627\u0635\u0629 \u0628\u0627\u0644\u0645\u0647\u0646\u062f\u0633<span class=\"ez-toc-section-end\"><\/span><\/h2><p>\u0642\u0628\u0644 \u0627\u0644\u062a\u0642\u062f\u064a\u0645 \u0644\u062a\u0635\u0646\u064a\u0639 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631\u060c \u062a\u062d\u0642\u0642 \u0645\u0646:<\/p><p>\u062a\u0623\u0643\u064a\u062f \u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0645\u0648\u0627\u062f \u0648\u0642\u062f\u0631\u0627\u062a \u0627\u0644\u0645\u0639\u0627\u0644\u062c\u0629 \u0645\u0639 \u0627\u0644\u0634\u0631\u0643\u0629 \u0627\u0644\u0645\u0635\u0646\u0639\u0629.<br>\u0625\u062c\u0631\u0627\u0621 \u0645\u062d\u0627\u0643\u0627\u0629 \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629 \u0644\u0644\u0634\u0628\u0643\u0627\u062a \u0627\u0644\u062d\u0631\u062c\u0629.<br>\u0627\u0633\u062a\u064a\u0641\u0627\u0621 \u0645\u062a\u0637\u0644\u0628\u0627\u062a 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\u0645\u0637\u0627\u0628\u0642\u0629 \u0627\u0644\u0645\u0645\u0627\u0646\u0639\u0629 \u0627\u0644\u0645\u062b\u0627\u0644\u064a\u0629 \u0645\u0646 \u062e\u0644\u0627\u0644 \u0627\u0644\u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u062f\u0642\u064a\u0642 \u0644\u0644\u0645\u0648\u0627\u062f\u060c \u0648\u062a\u0635\u0645\u064a\u0645 \u0645\u0643\u062f\u0633 \u0627\u0644\u0637\u0628\u0642\u0627\u062a\u060c \u0648\u062d\u0633\u0627\u0628 \u0639\u0631\u0636 \u0627\u0644\u062e\u0637\u060c \u0648\u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u0639\u0645\u0644\u064a\u0629 \u0644\u062d\u0645\u0627\u064a\u0629 \u062a\u0635\u0645\u064a\u0645\u0643 \u0627\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a.<\/p>","protected":false},"author":1,"featured_media":3486,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[109],"tags":[311,110],"class_list":["post-3485","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-faq","tag-impedance-control","tag-pcb-design"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to design impedance control for PCB? - Topfastpcb<\/title>\n<meta name=\"description\" content=\"How to design impedance control for PCBs? 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