{"id":3393,"date":"2025-06-24T08:30:00","date_gmt":"2025-06-24T00:30:00","guid":{"rendered":"https:\/\/www.topfastpcb.com\/?p=3393"},"modified":"2025-06-24T10:21:00","modified_gmt":"2025-06-24T02:21:00","slug":"when-should-you-choose-a-2-layer-pcb-or-a-4-layer-pcb","status":"publish","type":"post","link":"https:\/\/www.topfastpcb.com\/ar\/blog\/when-should-you-choose-a-2-layer-pcb-or-a-4-layer-pcb\/","title":{"rendered":"\u0645\u062a\u0649 \u064a\u062c\u0628 \u0623\u0646 \u062a\u062e\u062a\u0627\u0631 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0637\u0628\u0642\u0629 \u0623\u0648 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0631\u0628\u0627\u0639\u064a \u0627\u0644\u0637\u0628\u0642\u0627\u062a\u061f"},"content":{"rendered":"<p>\u0643\u0634\u0631\u0643\u0629 \u0645\u0635\u0646\u0639\u0629 \u062a\u062a\u0645\u062a\u0639 \u0628\u062e\u0628\u0631\u0629 17 \u0639\u0627\u0645\u064b\u0627 \u0645\u0646 \u0627\u0644\u062e\u0628\u0631\u0629 \u0641\u064a <a href=\"https:\/\/www.topfastpcb.com\/ar\/\">\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<\/a>\u060c \u062a\u062f\u0631\u0643 Topfast \u0623\u0646 \u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u062f\u062f \u0627\u0644\u0623\u0645\u062b\u0644 \u0644\u0637\u0628\u0642\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 \u0623\u0645\u0631 \u0628\u0627\u0644\u063a \u0627\u0644\u0623\u0647\u0645\u064a\u0629 \u0644\u0646\u062c\u0627\u062d \u0627\u0644\u0645\u0646\u062a\u062c&amp;8217;\u060c \u0648\u0646\u062c\u0627\u062d \u0627\u0644\u0645\u0646\u062a\u062c. \u0645\u0646 \u0627\u0644\u0645\u0647\u0645 \u0641\u0647\u0645 \u0627\u0644\u0627\u062e\u062a\u0644\u0627\u0641\u0627\u062a \u0627\u0644\u062c\u0648\u0647\u0631\u064a\u0629 \u0628\u064a\u0646 \u0627\u0644\u0644\u0648\u062d\u0627\u062a \u0627\u0644\u0645\u0643\u0648\u0646\u0629 \u0645\u0646 \u0637\u0628\u0642\u062a\u064a\u0646 \u0648\u0627\u0644\u0637\u0628\u0642\u0627\u062a \u0627\u0644\u0623\u0631\u0628\u0639 \u0644\u0627\u062a\u062e\u0627\u0630 \u0642\u0631\u0627\u0631 \u0645\u0633\u062a\u0646\u064a\u0631 \u0648\u062a\u062c\u0646\u0628 \u0623\u062e\u0637\u0627\u0621 \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0645\u0643\u0644\u0641\u0629.<\/p><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\/when-should-you-choose-a-2-layer-pcb-or-a-4-layer-pcb\/#1_Structural_differences_between_2-layer_and_4-layer_boards\" >1.\u0627\u0644\u0627\u062e\u062a\u0644\u0627\u0641\u0627\u062a \u0627\u0644\u0647\u064a\u0643\u0644\u064a\u0629 \u0628\u064a\u0646 \u0627\u0644\u0623\u0644\u0648\u0627\u062d \u0630\u0627\u062a \u0627\u0644\u0637\u0628\u0642\u062a\u064a\u0646 \u0648\u0627\u0644\u0623\u0644\u0648\u0627\u062d \u0630\u0627\u062a 4 \u0637\u0628\u0642\u0627\u062a<\/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\/ar\/blog\/when-should-you-choose-a-2-layer-pcb-or-a-4-layer-pcb\/#2-Layer_PCB_Structure_Analysis\" >\u062a\u062d\u0644\u064a\u0644 \u0647\u064a\u0643\u0644 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \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-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/when-should-you-choose-a-2-layer-pcb-or-a-4-layer-pcb\/#4-Layer_PCB_In-Depth_Structure\" >\u0627\u0644\u0647\u064a\u0643\u0644 \u0627\u0644\u0645\u062a\u0639\u0645\u0642 \u0644\u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0631\u0628\u0627\u0639\u064a \u0627\u0644\u0637\u0628\u0642\u0627\u062a<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/when-should-you-choose-a-2-layer-pcb-or-a-4-layer-pcb\/#2_7_Key_Performance_Comparisons\" >2. 7 \u0645\u0642\u0627\u0631\u0646\u0627\u062a \u0627\u0644\u0623\u062f\u0627\u0621 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/when-should-you-choose-a-2-layer-pcb-or-a-4-layer-pcb\/#3_5_steps_to_determine_the_best_choice_for_you\" >3.5 \u062e\u0637\u0648\u0627\u062a \u0644\u062a\u062d\u062f\u064a\u062f \u0627\u0644\u062e\u064a\u0627\u0631 \u0627\u0644\u0623\u0641\u0636\u0644 \u0644\u0643<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/when-should-you-choose-a-2-layer-pcb-or-a-4-layer-pcb\/#Step_1_Evaluate_Circuit_Complexity\" >\u0627\u0644\u062e\u0637\u0648\u0629 1: \u062a\u0642\u064a\u064a\u0645 \u0645\u062f\u0649 \u062a\u0639\u0642\u064a\u062f \u0627\u0644\u062f\u0627\u0626\u0631\u0629<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/when-should-you-choose-a-2-layer-pcb-or-a-4-layer-pcb\/#Step_2_Analyze_Power_System\" >\u0627\u0644\u062e\u0637\u0648\u0629 2: \u062a\u062d\u0644\u064a\u0644 \u0646\u0638\u0627\u0645 \u0627\u0644\u0637\u0627\u0642\u0629<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/when-should-you-choose-a-2-layer-pcb-or-a-4-layer-pcb\/#Step_3_EMC_Certification_Needs\" >\u0627\u0644\u062e\u0637\u0648\u0629 3: \u0627\u062d\u062a\u064a\u0627\u062c\u0627\u062a \u0634\u0647\u0627\u062f\u0629 EMC<\/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\/when-should-you-choose-a-2-layer-pcb-or-a-4-layer-pcb\/#Step_4_Cost-Benefit_Analysis\" >\u0627\u0644\u062e\u0637\u0648\u0629 4: \u062a\u062d\u0644\u064a\u0644 \u0627\u0644\u062a\u0643\u0627\u0644\u064a\u0641 \u0648\u0627\u0644\u0641\u0648\u0627\u0626\u062f<\/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\/when-should-you-choose-a-2-layer-pcb-or-a-4-layer-pcb\/#Step_5_Future_Scalability\" >\u0627\u0644\u062e\u0637\u0648\u0629 5: \u0642\u0627\u0628\u0644\u064a\u0629 \u0627\u0644\u062a\u0648\u0633\u0639 \u0627\u0644\u0645\u0633\u062a\u0642\u0628\u0644\u064a<\/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\/when-should-you-choose-a-2-layer-pcb-or-a-4-layer-pcb\/#4_Industry_ApplicationWith_Case_Studies\" >4. \u062a\u0637\u0628\u064a\u0642 \u0627\u0644\u0635\u0646\u0627\u0639\u0629 (\u0645\u0639 \u062f\u0631\u0627\u0633\u0627\u062a \u062d\u0627\u0644\u0629)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/when-should-you-choose-a-2-layer-pcb-or-a-4-layer-pcb\/#Best_2-Layer_Applications\" >\u0623\u0641\u0636\u0644 \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0630\u0627\u062a \u0627\u0644\u0637\u0628\u0642\u062a\u064a\u0646<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/when-should-you-choose-a-2-layer-pcb-or-a-4-layer-pcb\/#Mandatory_4-Layer_Applications\" >\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0625\u0644\u0632\u0627\u0645\u064a\u0629 \u0645\u0646 4 \u0637\u0628\u0642\u0627\u062a \u0625\u0644\u0632\u0627\u0645\u064a\u0629<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/when-should-you-choose-a-2-layer-pcb-or-a-4-layer-pcb\/#5_Topfast_Professional_Recommendations\" >5. \u062a\u0648\u0635\u064a\u0627\u062a \u062a\u0648\u0628 \u0641\u0627\u0633\u062a \u0627\u0644\u0645\u0647\u0646\u064a\u0629<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/when-should-you-choose-a-2-layer-pcb-or-a-4-layer-pcb\/#6_Frequently_Asked_Questions\" >6.\u0627\u0644\u0623\u0633\u0626\u0644\u0629 \u0627\u0644\u0645\u062a\u062f\u0627\u0648\u0644\u0629<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.topfastpcb.com\/ar\/blog\/when-should-you-choose-a-2-layer-pcb-or-a-4-layer-pcb\/#7_Why_Choose_Topfast\" >7.\u0644\u0645\u0627\u0630\u0627 \u062a\u062e\u062a\u0627\u0631 \u062a\u0648\u0628 \u0641\u0627\u0633\u062a\u061f<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Structural_differences_between_2-layer_and_4-layer_boards\"><\/span>1.\u0627\u0644\u0627\u062e\u062a\u0644\u0627\u0641\u0627\u062a \u0627\u0644\u0647\u064a\u0643\u0644\u064a\u0629 \u0628\u064a\u0646 \u0627\u0644\u0623\u0644\u0648\u0627\u062d \u0630\u0627\u062a \u0627\u0644\u0637\u0628\u0642\u062a\u064a\u0646 \u0648\u0627\u0644\u0623\u0644\u0648\u0627\u062d \u0630\u0627\u062a 4 \u0637\u0628\u0642\u0627\u062a<span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2-Layer_PCB_Structure_Analysis\"><\/span>\u062a\u062d\u0644\u064a\u0644 \u0647\u064a\u0643\u0644 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \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><\/h3><ul class=\"wp-block-list\"><li><strong>\u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0627\u0644\u0623\u0633\u0627\u0633\u064a<\/strong>: \u0627\u0644\u0637\u0628\u0642\u0629 \u0627\u0644\u0639\u0644\u0648\u064a\u0629 (\u062c\u0627\u0646\u0628 \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a) + \u0627\u0644\u0637\u0628\u0642\u0629 \u0627\u0644\u0633\u0641\u0644\u064a\u0629 (\u062c\u0627\u0646\u0628 \u0627\u0644\u0644\u062d\u0627\u0645)<\/li>\n\n<li><strong>\u0627\u0644\u0633\u064f\u0645\u0643 \u0627\u0644\u0642\u064a\u0627\u0633\u064a<\/strong>: 1.6 \u0645\u0645 (\u0642\u0627\u0628\u0644 \u0644\u0644\u062a\u0639\u062f\u064a\u0644)<\/li>\n\n<li><strong>\u062e\u064a\u0627\u0631\u0627\u062a \u0623\u0648\u0632\u0627\u0646 \u0627\u0644\u0646\u062d\u0627\u0633<\/strong>: 1 \u0623\u0648\u0646\u0635\u0629\/2 \u0623\u0648\u0646\u0635\u0629 (35 \u0645\u064a\u0643\u0631\u0648\u0645\u062a\u0631\/70 \u0645\u064a\u0643\u0631\u0648\u0645\u062a\u0631)<\/li>\n\n<li><strong>\u0645\u0648\u0627\u062f \u0627\u0644\u0639\u0632\u0644<\/strong>: \u0627\u0644\u0623\u0644\u064a\u0627\u0641 \u0627\u0644\u0632\u062c\u0627\u062c\u064a\u0629 \u0627\u0644\u0625\u064a\u0628\u0648\u0643\u0633\u064a FR-4<\/li>\n\n<li><strong>\u0627\u0644\u0631\u0628\u0637 \u0627\u0644\u0628\u064a\u0646\u064a<\/strong>: \u0639\u0628\u0631 \u0627\u0644\u062b\u0642\u0628 (PTH) \u0648 SMT<\/li><\/ul><blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>\u062a\u064f\u0638\u0647\u0631 \u0628\u064a\u0627\u0646\u0627\u062a \u0625\u0646\u062a\u0627\u062c Topfast \u0627\u0644\u062e\u0627\u0635\u0629 \u0628\u0646\u062785% \u0645\u0646 \u0627\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0627\u062a \u0627\u0644\u0627\u0633\u062a\u0647\u0644\u0627\u0643\u064a\u0629 \u0627\u0644\u0628\u0633\u064a\u0637\u0629 \u062a\u0633\u062a\u062e\u062f\u0645 1 \u0623\u0648\u0646\u0635\u0629 \u0645\u0646 \u0627\u0644\u0646\u062d\u0627\u0633 \u0645\u0639 \u062f\u0648\u0631\u0627\u062a \u0625\u0646\u062a\u0627\u062c \u0642\u0627\u0628\u0644\u0629 \u0644\u0644\u0636\u063a\u0637 \u062d\u062a\u0649 48 \u0633\u0627\u0639\u0629.<\/p><\/blockquote><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4-Layer_PCB_In-Depth_Structure\"><\/span>\u0627\u0644\u0647\u064a\u0643\u0644 \u0627\u0644\u0645\u062a\u0639\u0645\u0642 \u0644\u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0631\u0628\u0627\u0639\u064a \u0627\u0644\u0637\u0628\u0642\u0627\u062a<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>\u062a\u0643\u062f\u064a\u0633 \u0642\u064a\u0627\u0633\u064a<\/strong>:<\/li><\/ul><ol class=\"wp-block-list\"><li>\u0627\u0644\u0637\u0628\u0642\u0629 \u0627\u0644\u0639\u0644\u064a\u0627 (\u0625\u0634\u0627\u0631\u0629)<\/li>\n\n<li>\u0627\u0644\u0637\u0628\u0642\u0629 \u0627\u0644\u062f\u0627\u062e\u0644\u064a\u0629 1 (\u0645\u0633\u062a\u0648\u0649 \u0623\u0631\u0636\u064a)<\/li>\n\n<li>\u0627\u0644\u0637\u0628\u0642\u0629 \u0627\u0644\u062f\u0627\u062e\u0644\u064a\u0629 2 (\u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u0637\u0627\u0642\u0629)<\/li>\n\n<li>\u0627\u0644\u0637\u0628\u0642\u0629 \u0627\u0644\u0633\u0641\u0644\u064a\u0629 (\u0625\u0634\u0627\u0631\u0629)<\/li><\/ol><ul class=\"wp-block-list\"><li><strong>\u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u062a\u0635\u0641\u064a\u062d<\/strong>: \u062a\u0642\u0646\u064a\u0629 \u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u0645\u062a\u0639\u062f\u062f (\u0645\u062d\u0627\u0630\u0627\u0629 \u0627\u0644\u0637\u0628\u0642\u0627\u062a \u22640.1 \u0645\u0645)<\/li>\n\n<li><strong>\u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629<\/strong>\u064a\u062f\u0639\u0645 \u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u062f\u0642\u0629 \u0628\u0646\u0633\u0628\u0629 \u00b1 10\u066a<\/li><\/ul><p>&#8220;\u0641\u064a \u062d\u0627\u0644\u0627\u062a \u0623\u0643\u062b\u0631 \u0645\u0646 500 \u0639\u0645\u064a\u0644 \u0644\u062f\u064a\u0646\u0627\u060c \u0627\u0644\u0645\u0646\u062a\u062c\u0627\u062a \u0627\u0644\u0644\u0627\u0633\u0644\u0643\u064a\u0629 \u0627\u0644\u062a\u064a \u062a\u0633\u062a\u062e\u062f\u0645 <a href=\"https:\/\/www.topfastpcb.com\/ar\/products\/4-layer-flexible-pcb\/\">\u0623\u0644\u0648\u0627\u062d \u0645\u0646 4 \u0637\u0628\u0642\u0627\u062a<\/a> \u0623\u0638\u0647\u0631\u062a \u0645\u0639\u062f\u0644\u0627\u062a \u0627\u062c\u062a\u064a\u0627\u0632 \u0627\u062e\u062a\u0628\u0627\u0631 EMI \u0623\u0639\u0644\u0649 \u0628\u0646\u0633\u0628\u0629 40% \u0645\u0646 \u0627\u0644\u0625\u0635\u062f\u0627\u0631\u0627\u062a \u062b\u0646\u0627\u0626\u064a\u0629 \u0627\u0644\u0637\u0628\u0642\u0629;<\/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\/4-layer-PCB.jpg\" alt=\"\" class=\"wp-image-3394\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/4-layer-PCB.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/4-layer-PCB-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/06\/4-layer-PCB-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_7_Key_Performance_Comparisons\"><\/span>2. 7 \u0645\u0642\u0627\u0631\u0646\u0627\u062a \u0627\u0644\u0623\u062f\u0627\u0621 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<span class=\"ez-toc-section-end\"><\/span><\/h2><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u0628\u064f\u0639\u062f \u0627\u0644\u0645\u0642\u0627\u0631\u0646\u0629<\/th><th>\u0637\u0628\u0642\u062a\u0627\u0646<\/th><th>4-\u0637\u0628\u0642\u0629 4<\/th><th>\u0627\u0644\u0641\u0627\u0626\u0632<\/th><\/tr><\/thead><tbody><tr><td>\u062a\u0643\u0627\u0645\u0644 \u0627\u0644\u0625\u0634\u0627\u0631\u0629<\/td><td>\u0636\u0639\u064a\u0641 (\u0645\u062e\u0627\u0637\u0631 \u062a\u062f\u0627\u062e\u0644 \u0639\u0627\u0644\u064a\u0629)<\/td><td>\u0645\u0645\u062a\u0627\u0632 (\u0645\u0633\u062a\u0648\u0649 \u0645\u0631\u062c\u0639\u064a \u0643\u0627\u0645\u0644)<\/td><td>4-\u0637\u0628\u0642\u0629 4<\/td><\/tr><tr><td>\u0623\u062f\u0627\u0621 EMC<\/td><td>\u064a\u062a\u0637\u0644\u0628 \u062a\u062f\u0631\u064a\u0639\u0627\u064b \u0625\u0636\u0627\u0641\u064a\u0627\u064b<\/td><td>\u0645\u062a\u0641\u0648\u0642 \u0628\u0634\u0643\u0644 \u0637\u0628\u064a\u0639\u064a (\u0625\u0634\u0639\u0627\u0639 \u0623\u0642\u0644 \u0628\u0645\u0642\u062f\u0627\u0631 10 \u062f\u064a\u0633\u064a\u0628\u0644)<\/td><td>4-\u0637\u0628\u0642\u0629 4<\/td><\/tr><tr><td>\u0643\u062b\u0627\u0641\u0629 \u0627\u0644\u062a\u0648\u062c\u064a\u0647<\/td><td>\u0645\u062d\u062f\u0648\u062f\u0629 (\u062a\u062d\u062a\u0627\u062c \u0625\u0644\u0649 \u0648\u0635\u0644\u0627\u062a \u0639\u0628\u0648\u0631)<\/td><td>\u0645\u0631\u062a\u0641\u0639 (\u0647\u0631\u0648\u0628 \u0633\u0647\u0644 \u0645\u0646 BGA)<\/td><td>4-\u0637\u0628\u0642\u0629 4<\/td><\/tr><tr><td>\u0627\u0644\u0623\u062f\u0627\u0621 \u0627\u0644\u062d\u0631\u0627\u0631\u064a<\/td><td>\u0645\u062a\u0648\u0633\u0637 (\u0633\u0637\u062d\u064a \u0641\u0642\u0637)<\/td><td>\u0645\u062a\u0641\u0648\u0642\u0629 (\u0645\u0633\u0627\u0631\u0627\u062a \u062d\u0631\u0627\u0631\u064a\u0629 \u062f\u0627\u062e\u0644\u064a\u0629)<\/td><td>4-\u0637\u0628\u0642\u0629 4<\/td><\/tr><tr><td>\u062a\u0643\u0644\u0641\u0629 \u0627\u0644\u062a\u0635\u0646\u064a\u0639<\/td><td>\u0628\u0627\u0644\u062f\u0648\u0644\u0627\u0631 (\u062e\u0637 \u0627\u0644\u0623\u0633\u0627\u0633)<\/td><td>$$ (1.8-2.5x)<\/td><td>\u0637\u0628\u0642\u062a\u0627\u0646<\/td><\/tr><tr><td>\u0645\u0647\u0644\u0629 \u0627\u0644\u0625\u0646\u062a\u0627\u062c<\/td><td>\u0642\u0635\u064a\u0631 (2-4 \u0623\u064a\u0627\u0645)<\/td><td>\u0623\u0637\u0648\u0644 (7-10 \u0623\u064a\u0627\u0645)<\/td><td>\u0637\u0628\u0642\u062a\u0627\u0646<\/td><\/tr><tr><td>\u0645\u062e\u0627\u0637\u0631 \u0627\u0644\u0645\u0631\u0627\u062c\u0639\u0629<\/td><td>\u0639\u0627\u0644\u064a\u0629 (50% \u062a\u062d\u062a\u0627\u062c \u0625\u0644\u0649 \u0645\u0631\u0627\u062c\u0639\u0627\u062a (50% \u062a\u062d\u062a\u0627\u062c \u0625\u0644\u0649 \u0645\u0631\u0627\u062c\u0639\u0627\u062a)<\/td><td>\u0645\u0646\u062e\u0641\u0636\u0629 (&lt;20% \u0645\u0639\u062f\u0644 \u0627\u0644\u0645\u0631\u0627\u062c\u0639\u0629)<\/td><td>4-\u0637\u0628\u0642\u0629 4<\/td><\/tr><\/tbody><\/table><\/figure><p><strong>\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u062a\u0631\u062f\u062f\u0627\u062a \u0627\u0644\u0639\u0627\u0644\u064a\u0629<\/strong>: \u0641\u064a \u0627\u062e\u062a\u0628\u0627\u0631 \u0648\u062d\u062f\u0629 WiFi 2.4 \u062c\u064a\u062c\u0627 \u0647\u0631\u062a\u0632 2.4 \u062c\u064a\u062c\u0627 \u0647\u0631\u062a\u0632\u060c \u0623\u0638\u0647\u0631\u062a \u0627\u0644\u0644\u0648\u062d\u0627\u062a \u0630\u0627\u062a 4 \u0637\u0628\u0642\u0627\u062a \u0641\u0642\u062f\u0627\u0646 \u0625\u0634\u0627\u0631\u0629 \u0623\u0642\u0644 \u0628\u0646\u0633\u0628\u0629 62% \u0645\u0646 \u0627\u0644\u0625\u0635\u062f\u0627\u0631\u0627\u062a \u0630\u0627\u062a \u0627\u0644\u0637\u0628\u0642\u062a\u064a\u0646. \u064a\u062e\u0636\u0639 \u0627\u0644\u0648\u0642\u062a \u0627\u0644\u0645\u062d\u062f\u062f \u0644\u0644\u062a\u0648\u0627\u0635\u0644 \u0645\u0639 \u0627\u0644\u0645\u0647\u0646\u062f\u0633.<\/p><div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-1 wp-block-buttons-is-layout-flex\"><div class=\"wp-block-button\"><a class=\"wp-block-button__link has-white-color has-vivid-green-cyan-background-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/www.topfastpcb.com\/ar\/contact\/\">\u0627\u0633\u062a\u0634\u0631 \u0645\u0647\u0646\u062f\u0633\u0627\u064b \u0644\u0644\u062d\u0635\u0648\u0644 \u0639\u0644\u0649 \u0627\u0644\u0645\u0634\u0648\u0631\u0629 \u0627\u0644\u0645\u0647\u0646\u064a\u0629.<\/a><\/div><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_5_steps_to_determine_the_best_choice_for_you\"><\/span>3.5 \u062e\u0637\u0648\u0627\u062a \u0644\u062a\u062d\u062f\u064a\u062f \u0627\u0644\u062e\u064a\u0627\u0631 \u0627\u0644\u0623\u0641\u0636\u0644 \u0644\u0643<span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_1_Evaluate_Circuit_Complexity\"><\/span>\u0627\u0644\u062e\u0637\u0648\u0629 1: \u062a\u0642\u064a\u064a\u0645 \u0645\u062f\u0649 \u062a\u0639\u0642\u064a\u062f \u0627\u0644\u062f\u0627\u0626\u0631\u0629<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>\u0627\u062e\u062a\u0631 2-\u0637\u0628\u0642\u0629 2<\/strong>: \u0639\u0646\u062f \u062a\u062a\u0628\u0639 \u0627\u0644\u0625\u0634\u0627\u0631\u0627\u062a &lt;50 \u0645\u0639 \u0639\u062f\u0645 \u0648\u062c\u0648\u062f \u0625\u0634\u0627\u0631\u0627\u062a \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0633\u0631\u0639\u0629<\/li>\n\n<li><strong>\u062a\u062a\u0637\u0644\u0628 4 \u0637\u0628\u0642\u0627\u062a<\/strong>: \u0641\u064a \u062d\u0627\u0644\u0629 \u0627\u0646\u0637\u0628\u0627\u0642 \u0623\u064a \u0645\u0646 \u0647\u0630\u0647 \u0627\u0644\u0634\u0631\u0648\u0637<\/li>\n\n<li>\u0622\u062b\u0627\u0631 \u0627\u0644\u0625\u0634\u0627\u0631\u0629 &gt;100<\/li>\n\n<li>\u0648\u0627\u062c\u0647\u0627\u062a \u0630\u0627\u0643\u0631\u0629 DDR\/DDR2<\/li>\n\n<li>\u062d\u0632\u0645 BGA \u0645\u0639 \u062f\u0631\u062c\u0629 \u0645\u064a\u0644 0.8 \u0645\u0645<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_2_Analyze_Power_System\"><\/span>\u0627\u0644\u062e\u0637\u0648\u0629 2: \u062a\u062d\u0644\u064a\u0644 \u0646\u0638\u0627\u0645 \u0627\u0644\u0637\u0627\u0642\u0629<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>\u0641\u0648\u0644\u062a\u064a\u0629 \u0648\u0627\u062d\u062f\u0629: \u0642\u062f \u062a\u0643\u0641\u064a \u0637\u0628\u0642\u0629 2<\/li>\n\n<li>\u0641\u0648\u0644\u062a\u064a\u0629 \u0645\u062a\u0639\u062f\u062f\u0629 (\u22653):\u0625\u0644\u0632\u0627\u0645\u064a 4 \u0637\u0628\u0642\u0627\u062a<\/li>\n\n<li>\u062a\u064a\u0627\u0631 \u0639\u0627\u0644\u064a (&gt;5 \u0623\u0645\u0628\u064a\u0631): \u064a\u062a\u0637\u0644\u0628 \u0645\u0633\u062a\u0648\u0649 \u0637\u0627\u0642\u0629 \u0645\u062e\u0635\u0635<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_3_EMC_Certification_Needs\"><\/span>\u0627\u0644\u062e\u0637\u0648\u0629 3: \u0627\u062d\u062a\u064a\u0627\u062c\u0627\u062a \u0634\u0647\u0627\u062f\u0629 EMC<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>\u0627\u0644\u0645\u0633\u062a\u0647\u0644\u0643 (CE\/FCC): 4 \u0637\u0628\u0642\u0627\u062a \u062a\u062d\u0633\u0646 \u0645\u0639\u062f\u0644 \u0627\u0644\u0646\u062c\u0627\u062d \u0628\u0646\u0633\u0628\u0629 35%<\/li>\n\n<li>\u0635\u0646\u0627\u0639\u064a (EN55032 \u0627\u0644\u0641\u0626\u0629 \u0628): \u064a\u0648\u0635\u0649 \u0628 4 \u0637\u0628\u0642\u0627\u062a \u0643\u062d\u062f \u0623\u062f\u0646\u0649<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_4_Cost-Benefit_Analysis\"><\/span>\u0627\u0644\u062e\u0637\u0648\u0629 4: \u062a\u062d\u0644\u064a\u0644 \u0627\u0644\u062a\u0643\u0627\u0644\u064a\u0641 \u0648\u0627\u0644\u0641\u0648\u0627\u0626\u062f<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>\u062f\u0641\u0639\u0627\u062a \u0635\u063a\u064a\u0631\u0629 (&amp;lt\u061b 100 \u0642\u0637\u0639\u0629)<\/strong>: \u062a\u0643\u0644\u0641\u0629 \u0627\u0644\u0648\u062d\u062f\u0629 \u0627\u0644\u0645\u0643\u0648\u0646\u0629 \u0645\u0646 4 \u0637\u0628\u0642\u0627\u062a \u0623\u0639\u0644\u0649 \u0628\u0646\u0633\u0628\u0629 80%<\/li>\n\n<li><strong>\u062f\u0641\u0639\u0627\u062a \u0645\u062a\u0648\u0633\u0637\u0629 (&gt;500 \u0642\u0637\u0639\u0629)<\/strong>: \u062a\u0636\u064a\u0642 \u0627\u0644\u0641\u062c\u0648\u0629 \u0627\u0644\u0633\u0639\u0631\u064a\u0629 \u0625\u0644\u0649 30%<\/li>\n\n<li><strong>\u0646\u0638\u0631\u0629 \u062b\u0627\u0642\u0628\u0629 \u0639\u0644\u0649 \u0627\u0644\u062a\u0643\u0644\u0641\u0629 \u0627\u0644\u062e\u0641\u064a\u0629<\/strong>:: \u0642\u062f \u062a\u062a\u062c\u0627\u0648\u0632 \u0627\u0644\u062a\u0643\u0644\u0641\u0629 \u0627\u0644\u0625\u062c\u0645\u0627\u0644\u064a\u0629 \u0644\u0640 2 \u0637\u0628\u0642\u0629 2 \u0637\u0628\u0642\u0629 \u0628\u0633\u0628\u0628 \u0627\u0644\u0645\u0631\u0627\u062c\u0639\u0627\u062a<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_5_Future_Scalability\"><\/span>\u0627\u0644\u062e\u0637\u0648\u0629 5: \u0642\u0627\u0628\u0644\u064a\u0629 \u0627\u0644\u062a\u0648\u0633\u0639 \u0627\u0644\u0645\u0633\u062a\u0642\u0628\u0644\u064a<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>\u062a\u0643\u0631\u0627\u0631 \u0627\u0644\u0645\u0646\u062a\u062c: \u0627\u062d\u062a\u064a\u0627\u0637\u064a \u0647\u0627\u0645\u0634 \u062a\u0648\u062c\u064a\u0647 \u0628\u0646\u0633\u0628\u0629 20%<\/li>\n\n<li>\u062a\u0635\u0645\u064a\u0645 \u0645\u0639\u064a\u0627\u0631\u064a: 4 \u0637\u0628\u0642\u0627\u062a \u062a\u062a\u064a\u062d \u0627\u0644\u062a\u0648\u0633\u0639\u0629 \u0628\u0633\u0647\u0648\u0644\u0629 \u0623\u0643\u0628\u0631<\/li><\/ul><blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>\u0645\u0644\u0627\u062d\u0638\u0627\u062a \u0639\u0645\u0644\u0627\u0621 Topfast \u0645\u062a\u0648\u0633\u0637 \u062f\u0648\u0631\u0627\u062a \u062a\u0637\u0648\u064a\u0631 \u0627\u0644\u0645\u0634\u0627\u0631\u064a\u0639 \u0627\u0644\u0645\u0643\u0648\u0646\u0629 \u0645\u0646 4 \u0637\u0628\u0642\u0627\u062a \u0623\u0642\u0635\u0631 \u0628\u0623\u0633\u0628\u0648\u0639\u064a\u0646 \u0641\u064a \u0627\u0644\u0645\u062a\u0648\u0633\u0637<\/p><\/blockquote><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_Industry_ApplicationWith_Case_Studies\"><\/span>4. \u062a\u0637\u0628\u064a\u0642 \u0627\u0644\u0635\u0646\u0627\u0639\u0629 (\u0645\u0639 \u062f\u0631\u0627\u0633\u0627\u062a \u062d\u0627\u0644\u0629)<span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Best_2-Layer_Applications\"><\/span>\u0623\u0641\u0636\u0644 \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0630\u0627\u062a \u0627\u0644\u0637\u0628\u0642\u062a\u064a\u0646<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>\u0644\u0648\u062d\u0627\u062a \u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u0623\u062c\u0647\u0632\u0629<\/strong> (\u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c \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 \u0644\u0637\u0647\u064a \u0627\u0644\u0623\u0631\u0632)<\/li><\/ul><ul class=\"wp-block-list\"><li>\u0627\u0644\u062a\u0643\u0648\u064a\u0646 \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a: \u062a\u062d\u0643\u0645 \u0628\u0627\u0644\u062a\u0631\u062d\u064a\u0644 + \u0634\u0627\u0634\u0629 \u0639\u0631\u0636 LED<\/li>\n\n<li>\u0645\u064a\u0632\u0629 \u0627\u0644\u062a\u0643\u0644\u0641\u0629:\u062a\u0648\u0641\u064a\u0631 2.3 \u062f\u0648\u0644\u0627\u0631 \u0623\u0645\u0631\u064a\u0643\u064a\/\u0648\u062d\u062f\u0629 \u0645\u0642\u0627\u0628\u0644 4 \u0637\u0628\u0642\u0627\u062a<\/li><\/ul><ul class=\"wp-block-list\"><li><strong>\u0648\u062d\u062f\u0627\u062a \u0627\u0644\u0627\u0633\u062a\u0634\u0639\u0627\u0631 \u0627\u0644\u0628\u0633\u064a\u0637\u0629<\/strong><\/li><\/ul><ul class=\"wp-block-list\"><li>\u0627\u0644\u062d\u0627\u0644\u0629: \u0645\u0633\u062a\u0634\u0639\u0631 \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629\/\u0627\u0644\u0631\u0637\u0648\u0628\u0629 (\u0648\u0627\u062c\u0647\u0629 RS-485)<\/li>\n\n<li>\u0628\u064a\u0627\u0646\u0627\u062a \u062a\u0648\u0628 \u0641\u0627\u0633\u062a: \u064a\u0635\u0644 \u0627\u0644\u0639\u0627\u0626\u062f \u0645\u0646 \u0637\u0628\u0642\u062a\u064a\u0646 \u0625\u0644\u0649 99.2%<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Mandatory_4-Layer_Applications\"><\/span>\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0625\u0644\u0632\u0627\u0645\u064a\u0629 \u0645\u0646 4 \u0637\u0628\u0642\u0627\u062a \u0625\u0644\u0632\u0627\u0645\u064a\u0629<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>\u0623\u062c\u0647\u0632\u0629 \u0627\u0644\u0627\u062a\u0635\u0627\u0644\u0627\u062a \u0627\u0644\u0644\u0627\u0633\u0644\u0643\u064a\u0629<\/strong><\/li><\/ul><ul class=\"wp-block-list\"><li>\u062d\u0627\u0644\u0629 \u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631: \u062a\u0645 \u062a\u062d\u0633\u064a\u0646 \u0646\u0637\u0627\u0642 \u0648\u062d\u062f\u0629 LoRa \u0627\u0644\u0645\u0643\u0648\u0646\u0629 \u0645\u0646 4 \u0637\u0628\u0642\u0627\u062a \u0628\u0646\u0633\u0628\u0629 15%<\/li><\/ul><ul class=\"wp-block-list\"><li><strong>\u0627\u0644\u0645\u062a\u062d\u0643\u0645\u0627\u062a \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629<\/strong><\/li><\/ul><ul class=\"wp-block-list\"><li>\u0633\u0644\u0633\u0644\u0629 STM32H7: \u062a\u062a\u0637\u0644\u0628 4 \u0637\u0628\u0642\u0627\u062a \u0645\u0646 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0644\u0633\u0644\u0627\u0645\u0629 \u0627\u0644\u0625\u0634\u0627\u0631\u0629<\/li>\n\n<li>\u062a\u0643\u062f\u0633 \u0646\u0645\u0648\u0630\u062c\u064a:\u0625\u0634\u0627\u0631\u0629-\u0623\u0631\u0636\u064a-\u0637\u0627\u0642\u0629-\u0625\u0634\u0627\u0631\u0629-\u0637\u0627\u0642\u0629-\u0625\u0634\u0627\u0631\u0629<\/li><\/ul><ul class=\"wp-block-list\"><li><strong>\u064a\u0643\u0645\u0646 \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0627\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a \u0627\u0644\u0637\u0628\u064a \u0641\u064a:\u0627\u0644\u0642\u064a\u0645\u0629 \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0629<\/strong><\/li><\/ul><ul class=\"wp-block-list\"><li>\u062d\u0627\u0644\u0629 \u062a\u062e\u0637\u064a\u0637 \u0643\u0647\u0631\u0628\u064a\u0629 \u0627\u0644\u0642\u0644\u0628:\u062e\u0641\u0636\u062a 4 \u0637\u0628\u0642\u0627\u062a \u0645\u0646 \u0627\u0644\u0636\u0648\u0636\u0627\u0621 \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0629 \u0628\u0646\u0633\u0628\u0629 50%<\/li><\/ul><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5_Topfast_Professional_Recommendations\"><\/span>5. \u062a\u0648\u0635\u064a\u0627\u062a \u062a\u0648\u0628 \u0641\u0627\u0633\u062a \u0627\u0644\u0645\u0647\u0646\u064a\u0629<span class=\"ez-toc-section-end\"><\/span><\/h2><p>\u0628\u0639\u062f \u062a\u062d\u0644\u064a\u0644 \u0623\u0643\u062b\u0631 \u0645\u0646 1000 \u062d\u0627\u0644\u0629 \u0646\u062c\u0627\u062d\u060c \u0646\u0648\u0635\u064a \u0628\u0645\u0627 \u064a\u0644\u064a:<\/p><p><strong>\u0642\u064a\u0648\u062f \u0627\u0644\u0645\u064a\u0632\u0627\u0646\u064a\u0629<\/strong>:<\/p><ul class=\"wp-block-list\"><li>\u0646\u0645\u0648\u0630\u062c \u0623\u0648\u0644\u064a \u0645\u0643\u0648\u0646 \u0645\u0646 4 \u0637\u0628\u0642\u0627\u062a \u0623\u0648\u0644\u064a\u0629<\/li>\n\n<li>\u0627\u0644\u0646\u0638\u0631 \u0641\u064a \u0637\u0628\u0642\u0629 2 \u0644\u0644\u0625\u0646\u062a\u0627\u062c (\u064a\u062a\u0637\u0644\u0628 \u0625\u0639\u0627\u062f\u0629 \u062a\u062e\u0637\u064a\u0637)<\/li><\/ul><p><strong>\u062a\u0635\u0627\u0645\u064a\u0645 \u0645\u0639\u0642\u062f\u0629<\/strong>:<\/p><ul class=\"wp-block-list\"><li>\u0627\u062e\u062a\u0631 \u0645\u0628\u0627\u0634\u0631\u0629 4 \u0637\u0628\u0642\u0627\u062a \u0645\u0646 4 \u0637\u0628\u0642\u0627\u062a<\/li>\n\n<li>\u062a\u064f\u0638\u0647\u0631 \u0628\u064a\u0627\u0646\u0627\u062a\u0646\u0627 \u064a\u0642\u0644\u0644 \u0645\u0646 \u0645\u062a\u0648\u0633\u0637 \u0627\u0644\u0645\u0631\u0627\u062c\u0639\u0627\u062a \u0628\u0645\u0642\u062f\u0627\u0631 1.5 \u0645\u0631\u0629<\/li><\/ul><p><strong>\u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u062a\u0631\u062f\u062f<\/strong>:<\/p><ul class=\"wp-block-list\"><li>\u0644\u0627 \u062a\u062a\u0647\u0627\u0648\u0646 \u0623\u0628\u062f\u064b\u0627 &amp;#8211\u061b \u064a\u062c\u0628 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 4 \u0637\u0628\u0642\u0627\u062a<\/li>\n\n<li>\u0646\u0642\u062f\u0645 \u062e\u062f\u0645\u0627\u062a \u062d\u0633\u0627\u0628 \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629 \u0645\u062c\u0627\u0646\u0627\u064b<\/li><\/ul><blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>\u0646\u0635\u064a\u062d\u0629 \u0627\u062d\u062a\u0631\u0627\u0641\u064a\u0629: \u0641\u064a Topfast\u060c \u062a\u0645\u062b\u0644 \u0627\u0644\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u0645\u0643\u0648\u0646\u0629 \u0645\u0646 4 \u0637\u0628\u0642\u0627\u062a \u0627\u0644\u0622\u0646 65%\u060c \u0645\u0645\u0627 \u064a\u0639\u0643\u0633 \u0627\u062a\u062c\u0627\u0647\u0627\u062a \u0627\u0644\u0635\u0646\u0627\u0639\u0629<\/p><\/blockquote><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"6_Frequently_Asked_Questions\"><\/span>6.\u0627\u0644\u0623\u0633\u0626\u0644\u0629 \u0627\u0644\u0645\u062a\u062f\u0627\u0648\u0644\u0629<span class=\"ez-toc-section-end\"><\/span><\/h2><p>\u0633: \u0647\u0644 \u064a\u0645\u0643\u0646 \u0623\u0646 \u062a\u062c\u062a\u0627\u0632 \u0627\u0644\u0637\u0628\u0642\u0629 \u0627\u0644\u062b\u0627\u0646\u064a\u0629 \u0634\u0647\u0627\u062f\u0629 EMC\u061f<br>\u062c: \u0645\u0645\u0643\u0646 \u0648\u0644\u0643\u0646 \u0635\u0639\u0628\u060c \u0648\u064a\u062a\u0637\u0644\u0628 \u062a\u0643\u0627\u0644\u064a\u0641 \u0625\u0636\u0627\u0641\u064a\u0629 (\u062f\u0631\u0648\u0639\/\u0645\u0631\u0634\u062d\u0627\u062a) \u0642\u062f \u062a\u0641\u0648\u0642 \u0627\u0644\u0648\u0641\u0648\u0631\u0627\u062a<\/p><p>\u0633: \u0627\u0644\u062d\u062f \u0627\u0644\u0623\u062f\u0646\u0649 \u0645\u0646 \u0627\u0644\u062a\u062a\u0628\u0639\/\u0627\u0644\u0645\u0633\u0627\u062d\u0629 \u0644\u0640 4 \u0637\u0628\u0642\u0627\u062a\u061f<br>\u062c: \u0642\u062f\u0631\u0629 \u062a\u0648\u0628 \u0641\u0627\u0633\u062a \u0644\u062f\u064a\u0646\u0627: 3\/3 \u0645\u064a\u0644 (0.075 \u0645\u0645)\u060c \u0645\u0646\u0627\u0633\u0628\u0629 \u0644\u0645\u0639\u0638\u0645 \u0627\u0644\u062a\u0635\u0645\u064a\u0645\u0627\u062a \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0633\u0631\u0639\u0629<\/p><p>\u0633: \u0643\u064a\u0641 \u064a\u062a\u0645 \u062a\u062d\u062f\u064a\u062f \u0627\u0644\u0637\u0628\u0642\u0627\u062a \u0627\u0644\u0645\u0637\u0644\u0648\u0628\u0629\u061f<br>\u062c: \u062e\u062f\u0645\u0629 \u062a\u0642\u064a\u064a\u0645 \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0645\u062c\u0627\u0646\u064a\u0629 \u0645\u0639 \u062a\u0648\u0635\u064a\u0627\u062a \u0627\u0644\u062e\u0628\u0631\u0627\u0621 \u0641\u064a \u063a\u0636\u0648\u0646 24 \u0633\u0627\u0639\u0629<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"7_Why_Choose_Topfast\"><\/span>7.\u0644\u0645\u0627\u0630\u0627 \u062a\u062e\u062a\u0627\u0631 \u062a\u0648\u0628 \u0641\u0627\u0633\u062a\u061f<span class=\"ez-toc-section-end\"><\/span><\/h2><ul class=\"wp-block-list\"><li> 17 \u0639\u0627\u0645\u0627\u064b \u0645\u0646 \u0627\u0644\u062e\u0628\u0631\u0629 \u0641\u064a \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<\/li>\n\n<li> \u0623\u0643\u062b\u0631 \u0645\u0646 1000 \u062d\u0627\u0644\u0629 \u0646\u062c\u0627\u062d<\/li>\n\n<li> \u0627\u0644\u0646\u0645\u0627\u0630\u062c \u0627\u0644\u0623\u0648\u0644\u064a\u0629 \u0627\u0644\u0633\u0631\u064a\u0639\u0629 \u0641\u064a 48 \u0633\u0627\u0639\u0629<\/li>\n\n<li> \u0641\u062d\u0635 \u0645\u062c\u0627\u0646\u064a \u0644\u0633\u0648\u0642 \u062f\u0628\u064a \u0627\u0644\u0645\u0627\u0644\u064a<\/li>\n\n<li> \u0627\u0644\u062f\u0639\u0645 \u0627\u0644\u0644\u0648\u062c\u0633\u062a\u064a \u0627\u0644\u0639\u0627\u0644\u0645\u064a<\/li><\/ul><p><strong>\u0639\u0631\u0636 \u0645\u062d\u062f\u0648\u062f<\/strong>: \u0623\u0648\u0644 \u0637\u0644\u0628 \u0645\u0646 4 \u0637\u0628\u0642\u0627\u062a \u064a\u062d\u0635\u0644 \u0639\u0644\u0649 \u062e\u0635\u0645 10% + \u062a\u0642\u0631\u064a\u0631 \u0645\u0639\u0627\u0648\u0642\u0629 \u0645\u062c\u0627\u0646\u064a<\/p><div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-2 wp-block-buttons-is-layout-flex\"><div class=\"wp-block-button\"><a class=\"wp-block-button__link has-white-color has-vivid-green-cyan-background-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/www.topfastpcb.com\/ar\/contact\/\">\u0627\u062d\u0635\u0644 \u0639\u0644\u0649 \u0639\u0631\u0636 \u0623\u0633\u0639\u0627\u0631 \u0641\u0648\u0631\u064a<\/a><\/div><\/div><p>\u0628\u0635\u0641\u062a\u0647\u0627 \u0634\u0631\u0643\u0629 \u0645\u062a\u062e\u0635\u0635\u0629 \u0641\u064a \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\u0642\u062f\u0645 Topfast \u0627\u0633\u062a\u0634\u0627\u0631\u0627\u062a \u0641\u0646\u064a\u0629 \u0645\u062c\u0627\u0646\u064a\u0629 \u0648\u062e\u062f\u0645\u0627\u062a \u0627\u0644\u0646\u0645\u0627\u0630\u062c \u0627\u0644\u0623\u0648\u0644\u064a\u0629 \u0627\u0644\u0633\u0631\u064a\u0639\u0629 \u0644\u0645\u0633\u0627\u0639\u062f\u0629 \u0627\u0644\u0645\u0646\u062a\u062c\u0627\u062a \u0639\u0644\u0649 \u0637\u0631\u062d\u0647\u0627 \u0641\u064a \u0627\u0644\u0633\u0648\u0642 \u0628\u0643\u0641\u0627\u0621\u0629.<br><\/p>","protected":false},"excerpt":{"rendered":"<p>\u0641\u064a \u062a\u0635\u0645\u064a\u0645 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631\u060c \u064a\u0624\u062b\u0631 \u0627\u0644\u0627\u062e\u062a\u064a\u0627\u0631 \u0628\u064a\u0646 \u0627\u0644\u0623\u0644\u0648\u0627\u062d \u062b\u0646\u0627\u0626\u064a\u0629 \u0627\u0644\u0637\u0628\u0642\u0627\u062a \u0648\u0627\u0644\u0623\u0644\u0648\u0627\u062d \u0631\u0628\u0627\u0639\u064a\u0629 \u0627\u0644\u0637\u0628\u0642\u0627\u062a \u0628\u0634\u0643\u0644 \u0645\u0628\u0627\u0634\u0631 \u0639\u0644\u0649 \u0623\u062f\u0627\u0621 \u0627\u0644\u0645\u0646\u062a\u062c \u0648\u062a\u0643\u0644\u0641\u062a\u0647. \u062a\u0648\u0641\u0631 \u0627\u0644\u0644\u0648\u062d\u0627\u062a \u062b\u0646\u0627\u0626\u064a\u0629 \u0627\u0644\u0637\u0628\u0642\u0627\u062a \u0645\u0632\u0627\u064a\u0627 \u0627\u0644\u0647\u064a\u0643\u0644 \u0627\u0644\u0628\u0633\u064a\u0637 \u0648\u0627\u0644\u062a\u0643\u0644\u0641\u0629 \u0627\u0644\u0645\u0646\u062e\u0641\u0636\u0629 (\u062a\u0648\u0641\u064a\u0631 30% \u0645\u0646 \u0627\u0644\u062a\u0643\u0627\u0644\u064a\u0641\u060c \u0648\u0627\u0644\u0646\u0645\u0627\u0630\u062c \u0627\u0644\u0623\u0648\u0644\u064a\u0629 \u0627\u0644\u0633\u0631\u064a\u0639\u0629 \u062e\u0644\u0627\u0644 48 \u0633\u0627\u0639\u0629)\u060c \u0645\u0645\u0627 \u064a\u062c\u0639\u0644\u0647\u0627 \u062e\u064a\u0627\u0631\u064b\u0627 \u0645\u062b\u0627\u0644\u064a\u064b\u0627 \u0644\u0644\u062f\u0648\u0627\u0626\u0631 \u0627\u0644\u0628\u0633\u064a\u0637\u0629 (\u0645\u062b\u0644 \u0644\u0648\u062d\u0627\u062a \u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u0623\u062c\u0647\u0632\u0629 \u0627\u0644\u0645\u0646\u0632\u0644\u064a\u0629). \u0648\u0641\u064a \u0627\u0644\u0648\u0642\u062a \u0646\u0641\u0633\u0647\u060c \u062a\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u0644\u0648\u062d\u0627\u062a \u0627\u0644\u0645\u0643\u0648\u0646\u0629 \u0645\u0646 4 \u0637\u0628\u0642\u0627\u062a \u062a\u0635\u0645\u064a\u0645\u0627\u062a \u062a\u0643\u062f\u064a\u0633 \u0627\u0644\u0637\u0628\u0642\u0627\u062a \u0627\u0644\u0645\u062a\u062e\u0635\u0635\u0629 (\u0628\u0646\u064a\u0629 \u0627\u0644\u0625\u0634\u0627\u0631\u0629-\u0627\u0644\u0623\u0631\u0636-\u0627\u0644\u0637\u0627\u0642\u0629-\u0627\u0644\u0625\u0634\u0627\u0631\u0629-\u0627\u0644\u0623\u0631\u0636-\u0627\u0644\u0625\u0634\u0627\u0631\u0629) \u0644\u062a\u0648\u0641\u064a\u0631 \u0633\u0644\u0627\u0645\u0629 \u0625\u0634\u0627\u0631\u0629 \u0627\u0633\u062a\u062b\u0646\u0627\u0626\u064a\u0629 \u0648\u0623\u062f\u0627\u0621 EMC \u0644\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u062a\u0631\u062f\u062f (\u0632\u064a\u0627\u062f\u0629 \u0645\u0633\u0627\u0641\u0629 \u0627\u0644\u0625\u0631\u0633\u0627\u0644 \u0628\u0646\u0633\u0628\u0629 15%) \u0648\u0627\u0644\u062f\u0648\u0627\u0626\u0631 \u0627\u0644\u0645\u0639\u0642\u062f\u0629 (\u062a\u0642\u0644\u064a\u0644 \u062a\u062f\u0627\u062e\u0644 \u0627\u0644\u0625\u0634\u0627\u0631\u0629 \u0628\u0646\u0633\u0628\u0629 50%).<\/p>","protected":false},"author":1,"featured_media":3395,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[109],"tags":[297,298,111],"class_list":["post-3393","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-faq","tag-2-layer-pcb","tag-4-layer-pcb","tag-pcb"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - 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