{"id":1539,"date":"2025-12-10T02:58:09","date_gmt":"2025-12-10T02:58:09","guid":{"rendered":"https:\/\/fljpcb.com\/?p=1539"},"modified":"2025-12-10T02:58:10","modified_gmt":"2025-12-10T02:58:10","slug":"why-must-a-pcb-have-impedance-control","status":"publish","type":"post","link":"https:\/\/fljpcb.com\/ar\/why-must-a-pcb-have-impedance-control\/","title":{"rendered":"\u0644\u0645\u0627\u0630\u0627 \u064a\u062c\u0628 \u0623\u0646 \u064a\u0643\u0648\u0646 \u0644\u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629\u061f"},"content":{"rendered":"<h2 class=\"wp-block-heading\" id=\"h-introduction\">\u0645\u0642\u062f\u0645\u0629<\/h2>\n\n\n\n<p>\u0641\u064a <a href=\"https:\/\/fljpcb.com\/ar\/products-services\/\">\u062a\u0635\u0645\u064a\u0645 \u0648\u062a\u0635\u0646\u064a\u0639 \u062b\u0646\u0627\u0626\u064a 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\u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629 \u0639\u0644\u0649 \u0627\u0644\u0635\u0648\u0631\u0629 Z. \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629 \u0639\u062f\u062f \u0645\u0631\u0643\u0628. \u0627\u0644\u062c\u0632\u0621 \u0627\u0644\u062d\u0642\u064a\u0642\u064a \u0647\u0648 \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629. \u0648\u0627\u0644\u062c\u0632\u0621 \u0627\u0644\u062a\u062e\u064a\u0644\u064a \u0647\u0648 \u0627\u0644\u0645\u0641\u0627\u0639\u0644\u0629. \u0648\u0627\u0644\u0635\u064a\u063a\u0629 \u0647\u064a:Z = R + i(\u03c9L - 1\/(\u03c9C))\u060c \u0648\u064a\u0633\u0645\u0649 \u0627\u0644\u062c\u0632\u0621 \u0627\u0644\u0630\u064a \u064a\u0623\u062a\u064a \u0645\u0646 \u0627\u0644\u0633\u0639\u0629 \u0648\u0627\u0644\u0630\u064a \u064a\u062d\u062c\u0628 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u062a\u0631\u062f\u062f \u0628\u0627\u0644\u0645\u0641\u0627\u0639\u0644\u0629 \u0627\u0644\u0633\u0639\u0648\u064a\u0629. \u0648\u064a\u0633\u0645\u0649 \u0627\u0644\u062c\u0632\u0621 \u0627\u0644\u0630\u064a \u064a\u0623\u062a\u064a \u0645\u0646 \u0627\u0644\u062d\u062b \u0648\u064a\u0645\u0646\u0639 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u062a\u0631\u062f\u062f \u0628\u0627\u0644\u0645\u0641\u0627\u0639\u0644\u0629 \u0627\u0644\u0627\u0633\u062a\u0642\u0631\u0627\u0626\u064a\u0629. \u0648\u0639\u0627\u062f\u0629\u064b \u0645\u0627 \u064a\u064f\u0637\u0644\u0642 \u0639\u0644\u0649 \u0643\u0644\u0627 \u0627\u0644\u0646\u0648\u0639\u064a\u0646 \u0645\u0646 \u0627\u0644\u0645\u0641\u0627\u0639\u0644\u0629 \u0645\u0639\u064b\u0627 \u0627\u0633\u0645 \u0627\u0644\u0645\u0641\u0627\u0639\u0644\u0629 \u0641\u0642\u0637.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"381\" height=\"500\" src=\"https:\/\/fljpcb.com\/wp-content\/uploads\/2025\/12\/impedance-formula-.webp\" alt=\"impedance formula\" class=\"wp-image-1540\" srcset=\"https:\/\/fljpcb.com\/wp-content\/uploads\/2025\/12\/impedance-formula-.webp 381w, https:\/\/fljpcb.com\/wp-content\/uploads\/2025\/12\/impedance-formula--229x300.webp 229w\" sizes=\"(max-width: 381px) 100vw, 381px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-2-five-types-of-impedance-in-pcb-design-and-manufacturing\">2. \u062e\u0645\u0633\u0629 \u0623\u0646\u0648\u0627\u0639 \u0645\u0646 \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629 \u0641\u064a \u062a\u0635\u0645\u064a\u0645 \u0648\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<\/h2>\n\n\n\n<p>\u0647\u0646\u0627\u0643 \u062e\u0645\u0633\u0629 \u0623\u0646\u0648\u0627\u0639 \u0645\u0646 \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629 \u0627\u0644\u062a\u064a \u064a\u062a\u062d\u062f\u062b \u0639\u0646\u0647\u0627 \u0627\u0644\u0646\u0627\u0633 \u0639\u0646\u062f\u0645\u0627 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\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u0648\u0636\u0639 \u0627\u0644\u0632\u0648\u062c\u064a<\/h3>\n\n\n\n<p>\u0639\u0646\u062f\u0645\u0627 \u064a\u0643\u0648\u0646 \u0644\u0644\u0625\u0634\u0627\u0631\u062a\u064a\u0646 \u0646\u0641\u0633 \u0627\u0644\u0642\u0637\u0628\u064a\u0629 \u0639\u0646\u062f \u0637\u0631\u0641 \u0627\u0644\u0645\u062d\u0631\u0643\u060c \u0641\u0625\u0646 \u0645\u0639\u0627\u0648\u0642\u0629 \u0627\u0644\u062e\u0637\u064a\u0646 \u0639\u0646\u062f \u0631\u0628\u0637\u0647\u0645\u0627 \u0645\u0639\u064b\u0627 \u062a\u0633\u0645\u0649 \u0645\u0639\u0627\u0648\u0642\u0629 \u0627\u0644\u0648\u0636\u0639 \u0627\u0644\u0632\u0648\u062c\u064a\u060c \u0648\u062a\u0643\u062a\u0628 \u0639\u0644\u0649 \u0623\u0646\u0647\u0627 Zcom.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-2-5-common-mode-impedance\">2.5 \u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u0648\u0636\u0639 \u0627\u0644\u0645\u0634\u062a\u0631\u0643<\/h3>\n\n\n\n<p>\u0645\u0639\u0627\u0648\u0642\u0629 \u0627\u0644\u0648\u0636\u0639 \u0627\u0644\u0645\u0634\u062a\u0631\u0643 \u0647\u064a \u0645\u0639\u0627\u0648\u0642\u0629 \u062e\u0637 \u0648\u0627\u062d\u062f \u0625\u0644\u0649 \u0627\u0644\u0623\u0631\u0636 \u0639\u0646\u062f\u0645\u0627 \u064a\u062a\u0635\u0631\u0641 \u0643\u0644\u0627 \u0627\u0644\u062e\u0637\u064a\u0646 \u0628\u0627\u0644\u0637\u0631\u064a\u0642\u0629 \u0646\u0641\u0633\u0647\u0627. \u0648\u064a\u0643\u062a\u0628\u0647\u0627 \u0627\u0644\u0646\u0627\u0633 \u0623\u062d\u064a\u0627\u0646\u064b\u0627 \u0639\u0644\u0649 \u0623\u0646\u0647\u0627 \u0632\u0648\u064a. \u0641\u064a \u0643\u062b\u064a\u0631 \u0645\u0646 \u0627\u0644\u062d\u0627\u0644\u0627\u062a\u060c \u062a\u0643\u0648\u0646 \u0645\u0639\u0627\u0648\u0642\u0629 \u0627\u0644\u0648\u0636\u0639 \u0627\u0644\u0645\u0634\u062a\u0631\u0643 \u0623\u0643\u0628\u0631 \u0645\u0646 \u0645\u0639\u0627\u0648\u0642\u0629 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\u0648\u062a\u0634\u0645\u0644 \u0647\u0630\u0647 \u0627\u0644\u062e\u0637\u0648\u0627\u062a \u0627\u0644\u0637\u0644\u0627\u0621 \u0628\u0627\u0644\u0646\u062d\u0627\u0633\u060c \u0648\u0627\u0644\u0637\u0644\u0627\u0621 \u0628\u0627\u0644\u0642\u0635\u062f\u064a\u0631 (\u0623\u0648 \u0627\u0644\u0637\u0644\u0627\u0621 \u0627\u0644\u0643\u064a\u0645\u064a\u0627\u0626\u064a \u0623\u0648 \u0627\u0644\u062a\u0639\u0644\u064a\u0628 \u0628\u0627\u0644\u063a\u0645\u0633 \u0627\u0644\u0633\u0627\u062e\u0646)\u060c \u0648\u0644\u062d\u0627\u0645 \u0627\u0644\u0645\u0648\u0635\u0644\u0627\u062a. \u064a\u062c\u0628 \u0623\u0646 \u062a\u0643\u0648\u0646 \u0627\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u0645\u0633\u062a\u062e\u062f\u0645\u0629 \u0641\u064a \u0647\u0630\u0647 \u0627\u0644\u062e\u0637\u0648\u0627\u062a \u0630\u0627\u062a \u0645\u0642\u0627\u0648\u0645\u0629 \u0645\u0646\u062e\u0641\u0636\u0629 \u0628\u062d\u064a\u062b \u062a\u0641\u064a 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href=\"https:\/\/en.wikipedia.org\/wiki\/Characteristic_impedance\">\u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629 \u0627\u0644\u0645\u0645\u064a\u0632\u0629<\/a> \u0639\u0644\u0649 \u0637\u0648\u0644 \u0627\u0644\u062a\u062a\u0628\u0639 \u0642\u062f \u0644\u0627 \u064a\u0643\u0648\u0646 \u0645\u062a\u0646\u0627\u0633\u0642\u064b\u0627. \u0633\u062a\u0624\u062b\u0631 \u0647\u0630\u0647 \u0627\u0644\u0645\u0634\u0627\u0643\u0644 \u0639\u0644\u0649 \u0648\u0638\u064a\u0641\u0629 \u0627\u0644\u0644\u0648\u062d\u0629 \u0648\u0623\u062f\u0627\u0621 \u0627\u0644\u062c\u0647\u0627\u0632.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-4-5-hidden-and-variable-impedance-issues\">4.5 \u0645\u0634\u0643\u0644\u0627\u062a \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629 \u0627\u0644\u062e\u0641\u064a\u0629 \u0648\u0627\u0644\u0645\u062a\u063a\u064a\u0631\u0629<\/h3>\n\n\n\n<p>\u0648\u0628\u0627\u062e\u062a\u0635\u0627\u0631\u060c \u0641\u0625\u0646 \u0627\u0644\u0645\u0627\u062f\u0629 \u0648\u062d\u0627\u0644\u0629 \u0627\u0644\u0637\u0644\u0627\u0621 \u0639\u0644\u0649 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0647\u0645\u0627 \u0627\u0644\u0633\u0628\u0628\u0627\u0646 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0627\u0646 \u0648\u0627\u0644\u0645\u0628\u0627\u0634\u0631\u0627\u0646 \u0627\u0644\u0644\u0630\u0627\u0646 \u064a\u0624\u062b\u0631\u0627\u0646 \u0639\u0644\u0649 \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629 \u0627\u0644\u0645\u0645\u064a\u0632\u0629 \u0644\u0644\u0648\u062d\u0629. \u0646\u0638\u0631\u064b\u0627 \u0644\u0623\u0646 \u0627\u0644\u0637\u0644\u0627\u0621 \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u062a\u0642\u0627\u062f\u0645 \u0648\u064a\u062a\u063a\u064a\u0631 \u0645\u0639 \u0627\u0644\u0631\u0637\u0648\u0628\u0629 \u0648\u0627\u0644\u062a\u0623\u062b\u064a\u0631\u0627\u062a \u0627\u0644\u0643\u0647\u0631\u0648\u0643\u064a\u0645\u064a\u0627\u0626\u064a\u0629\u060c \u064a\u0645\u0643\u0646 \u0623\u0646 \u062a\u0635\u0628\u062d \u0645\u0634\u0627\u0643\u0644 \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629 \u0645\u062e\u0641\u064a\u0629 \u0648\u0642\u0627\u0628\u0644\u0629 \u0644\u0644\u062a\u063a\u064a\u064a\u0631. \u0648\u0627\u0644\u0633\u0628\u0628 \u0641\u064a \u0625\u062e\u0641\u0627\u0626\u0647\u0627 \u0630\u0648 \u0634\u0642\u064a\u0646: \u0623\u0648\u0644\u0627\u064b\u060c \u0644\u0627 \u064a\u0645\u0643\u0646\u0643 \u063a\u0627\u0644\u0628\u064b\u0627 \u0631\u0624\u064a\u0629 \u0627\u0644\u062a\u063a\u064a\u064a\u0631 \u0628\u0627\u0644\u0639\u064a\u0646 \u0627\u0644\u0645\u062c\u0631\u062f\u0629\u061b \u062b\u0627\u0646\u064a\u064b\u0627\u060c \u0644\u0627 \u064a\u0645\u0643\u0646\u0643 \u0642\u064a\u0627\u0633\u0647\u0627 \u0628\u0627\u0633\u062a\u0645\u0631\u0627\u0631 \u0644\u0623\u0646 \u0627\u0644\u0637\u0644\u0627\u0621 \u064a\u062a\u063a\u064a\u0631 \u0628\u0645\u0631\u0648\u0631 \u0627\u0644\u0648\u0642\u062a \u0648\u0645\u0639 \u0627\u0644\u0631\u0637\u0648\u0628\u0629. \u0648\u0647\u0630\u0627 \u064a\u062c\u0639\u0644 \u0645\u0646 \u0627\u0644\u0633\u0647\u0644 \u062a\u0641\u0648\u064a\u062a \u0627\u0644\u0645\u0634\u0643\u0644\u0629.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-5-the-ideal-model-for-impedance-matching\">5. \u0627\u0644\u0646\u0645\u0648\u0630\u062c \u0627\u0644\u0645\u062b\u0627\u0644\u064a \u0644\u0645\u0637\u0627\u0628\u0642\u0629 \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629<\/h2>\n\n\n\n<p>\u063a\u0627\u0644\u0628\u0627\u064b \u0645\u0627 \u064a\u0648\u0627\u062c\u0647 \u0645\u0647\u0646\u062f\u0633\u0648 \u0627\u0644\u062a\u0631\u062f\u062f\u0627\u062a \u0627\u0644\u0631\u0627\u062f\u064a\u0648\u064a\u0629 \u0645\u0634\u0643\u0644\u0629 \u0645\u0637\u0627\u0628\u0642\u0629 \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629. \u0648\u0628\u0639\u0628\u0627\u0631\u0627\u062a \u0628\u0633\u064a\u0637\u0629\u060c \u0641\u0625\u0646 \u0627\u0644\u0647\u062f\u0641 \u0645\u0646 \u0645\u0637\u0627\u0628\u0642\u0629 \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629 \u0647\u0648 \u0627\u0644\u062a\u0623\u0643\u062f \u0645\u0646 \u0627\u0646\u062a\u0642\u0627\u0644 \u0627\u0644\u0625\u0634\u0627\u0631\u0629 \u0623\u0648 \u0627\u0644\u0637\u0627\u0642\u0629 \u0628\u0643\u0641\u0627\u0621\u0629 \u0645\u0646 \u0627\u0644\u0645\u0635\u062f\u0631 \u0625\u0644\u0649 \u0627\u0644\u062d\u0645\u0644.<\/p>\n\n\n\n<p>\u0627\u0644\u0646\u0645\u0648\u0630\u062c \u0627\u0644\u0645\u062b\u0627\u0644\u064a \u0647\u0648 \u0627\u0644\u062a\u0627\u0644\u064a: \u0646\u0631\u064a\u062f \u0623\u0646 \u062a\u0643\u0648\u0646 \u0645\u0639\u0627\u0648\u0642\u0629 \u062e\u0631\u062c \u0627\u0644\u0645\u0635\u062f\u0631 50 \u0623\u0648\u0645\u060c \u0648\u0623\u0646 \u062a\u0643\u0648\u0646 \u0645\u0639\u0627\u0648\u0642\u0629 \u062e\u0637 \u0627\u0644\u0646\u0642\u0644 50 \u0623\u0648\u0645\u060c \u0648\u0645\u0642\u0627\u0648\u0645\u0629 \u062f\u062e\u0644 \u0627\u0644\u062d\u0645\u0644 50 \u0623\u0648\u0645. \u0625\u0630\u0627 \u0643\u0627\u0646 \u0627\u0644\u0645\u0633\u0627\u0631 \u0628\u0623\u0643\u0645\u0644\u0647 50 \u0623\u0648\u0645 \u0645\u0646 \u0627\u0644\u0628\u062f\u0627\u064a\u0629 \u0625\u0644\u0649 \u0627\u0644\u0646\u0647\u0627\u064a\u0629\u060c \u0641\u0647\u0630\u0647 \u0623\u0641\u0636\u0644 \u062d\u0627\u0644\u0629.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"700\" height=\"262\" src=\"https:\/\/fljpcb.com\/wp-content\/uploads\/2025\/12\/What-impedance-means-to-the-PCB-industry.png\" alt=\"The ideal model for impedance matching\" class=\"wp-image-1541\" srcset=\"https:\/\/fljpcb.com\/wp-content\/uploads\/2025\/12\/What-impedance-means-to-the-PCB-industry.png 700w, https:\/\/fljpcb.com\/wp-content\/uploads\/2025\/12\/What-impedance-means-to-the-PCB-industry-300x112.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/figure>\n\n\n\n<p>\u0648\u0644\u0643\u0646 \u0641\u064a \u0627\u0644\u062d\u064a\u0627\u0629 \u0627\u0644\u0648\u0627\u0642\u0639\u064a\u0629\u060c \u0644\u0627 \u062a\u0643\u0648\u0646 \u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u0645\u0635\u062f\u0631 \u062f\u0627\u0626\u0645\u064b\u0627 50 \u0623\u0648\u0645\u060c \u0648\u0644\u0627 \u062a\u0643\u0648\u0646 \u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062d\u0645\u0644 \u062f\u0627\u0626\u0645\u064b\u0627 50 \u0623\u0648\u0645. \u0639\u0646\u062f\u0645\u0627 \u064a\u062d\u062f\u062b \u0630\u0644\u0643\u060c \u0646\u062d\u062a\u0627\u062c \u0625\u0644\u0649 \u062f\u0627\u0626\u0631\u0629 \u0623\u0648 \u0623\u0643\u062b\u0631 \u0645\u0646 \u062f\u0648\u0627\u0626\u0631 \u0645\u0637\u0627\u0628\u0642\u0629 \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629.<\/p>\n\n\n\n<p>\u062a\u0635\u0646\u0639 \u062f\u0648\u0627\u0626\u0631 \u0627\u0644\u0645\u0637\u0627\u0628\u0642\u0629 \u0645\u0646 \u0627\u0644\u0645\u062d\u0627\u062b\u0627\u062a \u0648\u0627\u0644\u0645\u0643\u062b\u0641\u0627\u062a. \u062b\u0645 \u0646\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u0645\u0643\u062b\u0641\u0627\u062a \u0648\u0627\u0644\u0645\u062d\u0627\u062b\u0627\u062a \u0644\u0636\u0628\u0637 \u0634\u0628\u0643\u0629 \u0627\u0644\u0645\u0637\u0627\u0628\u0642\u0629 \u0628\u062d\u064a\u062b \u064a\u0643\u0648\u0646 \u0623\u062f\u0627\u0621 \u0627\u0644\u062a\u0631\u062f\u062f \u0627\u0644\u0644\u0627\u0633\u0644\u0643\u064a \u0623\u0641\u0636\u0644.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-6-how-to-do-impedance-matching\">6. \u0643\u064a\u0641\u064a\u0629 \u0639\u0645\u0644 \u0645\u0637\u0627\u0628\u0642\u0629 \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629<\/h2>\n\n\n\n<p>\u0647\u0646\u0627\u0643 \u0637\u0631\u064a\u0642\u062a\u0627\u0646 \u0631\u0626\u064a\u0633\u064a\u062a\u0627\u0646 \u0644\u0645\u0637\u0627\u0628\u0642\u0629 \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629. \u0627\u0644\u0637\u0631\u064a\u0642\u0629 \u0627\u0644\u0623\u0648\u0644\u0649 \u0647\u064a \u062a\u063a\u064a\u064a\u0631 \u0642\u064a\u0645\u0629 \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629 \u0628\u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a. \u0648\u0627\u0644\u0637\u0631\u064a\u0642\u0629 \u0627\u0644\u0623\u062e\u0631\u0649 \u0647\u064a \u062a\u063a\u064a\u064a\u0631 \u062e\u0637 \u0627\u0644\u0646\u0642\u0644.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-6-1-change-impedance-with-components\">6.1 \u062a\u063a\u064a\u064a\u0631 \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629 \u0628\u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a<\/h3>\n\n\n\n<p>\u0644\u062a\u063a\u064a\u064a\u0631 \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629 \u0628\u0627\u0644\u0623\u062c\u0632\u0627\u0621\u060c \u0646\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u0645\u0643\u062b\u0641\u0627\u062a \u0648\u0627\u0644\u0645\u062d\u0627\u062b\u0627\u062a \u0639\u0644\u0649 \u0627\u0644\u062a\u0648\u0627\u0644\u064a \u0623\u0648 \u0628\u0627\u0644\u062a\u0648\u0627\u0632\u064a \u0645\u0639 \u0627\u0644\u062d\u0645\u0644. \u0647\u0630\u0627 \u064a\u0636\u0628\u0637 \u0645\u0639\u0627\u0648\u0642\u0629 \u0627\u0644\u062d\u0645\u0644 \u0628\u062d\u064a\u062b \u062a\u062a\u0637\u0627\u0628\u0642 \u0628\u0634\u0643\u0644 \u0623\u0641\u0636\u0644 \u0645\u0639 \u0627\u0644\u0645\u0635\u062f\u0631.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-6-2-change-the-transmission-line\">6.2 \u062a\u063a\u064a\u064a\u0631 \u062e\u0637 \u0627\u0644\u0646\u0642\u0644<\/h3>\n\n\n\n<p>\u0644\u062a\u063a\u064a\u064a\u0631 \u062e\u0637 \u0627\u0644\u0646\u0642\u0644\u060c \u0646\u063a\u064a\u0631 \u0627\u0644\u0645\u0633\u0627\u0641\u0629 \u0623\u0648 \u0627\u0644\u0645\u0633\u0627\u0631 \u0627\u0644\u0645\u0627\u062f\u064a \u0628\u064a\u0646 \u0627\u0644\u0645\u0635\u062f\u0631 \u0648\u0627\u0644\u062d\u0645\u0644. \u064a\u0645\u0643\u0646\u0646\u0627 \u0628\u0639\u062f \u0630\u0644\u0643 \u0625\u0642\u0631\u0627\u0646 \u0647\u0630\u0627 \u0627\u0644\u062a\u063a\u064a\u064a\u0631 \u0641\u064a \u0627\u0644\u062e\u0637 \u0628\u0645\u0643\u062b\u0641\u0627\u062a \u0648\u0645\u062d\u0627\u062b\u0627\u062a \u0644\u062c\u0639\u0644 \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629 \u0627\u0644\u0635\u0627\u0641\u064a\u0629 \u0627\u0644\u062a\u064a \u064a\u0631\u0627\u0647\u0627 \u0627\u0644\u0645\u0635\u062f\u0631 \u062a\u0633\u0627\u0648\u064a \u0635\u0641\u0631\u064b\u0627. \u0639\u0646\u062f\u0645\u0627 \u062a\u0633\u0627\u0648\u064a \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629 \u0627\u0644\u0635\u0627\u0641\u064a\u0629 \u0627\u0644\u0645\u0646\u0639\u0643\u0633\u0629 \u0635\u0641\u0631\u064b\u0627\u060c \u0644\u0646 \u062a\u0646\u0639\u0643\u0633 \u0627\u0644\u0625\u0634\u0627\u0631\u0629 \u0645\u0631\u0629 \u0623\u062e\u0631\u0649. \u0648\u0633\u064a\u0645\u062a\u0635 \u0627\u0644\u062d\u0645\u0644 \u0643\u0644 \u0627\u0644\u0637\u0627\u0642\u0629.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-7-common-design-targets-for-high-speed-pcb-traces\">7. \u0623\u0647\u062f\u0627\u0641 \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0645\u0634\u062a\u0631\u0643\u0629 \u0644\u0622\u062b\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 \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0633\u0631\u0639\u0629<\/h2>\n\n\n\n<p>\u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0640 <a href=\"https:\/\/fljpcb.com\/ar\/products-services\/high-frequency-pcb\/\">\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\u0644\u064a \u0627\u0644\u0633\u0631\u0639\u0629<\/a> \u0627\u0644\u0639\u0645\u0644\u060c \u0648\u0627\u0644\u062e\u064a\u0627\u0631\u0627\u062a \u0627\u0644\u0634\u0627\u0626\u0639\u0629 \u0647\u064a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0639\u0627\u062f\u0629 \u0645\u0627 \u062a\u0643\u0648\u0646 \u0627\u0644\u0645\u0633\u0627\u0631\u0627\u062a \u0627\u0644\u0631\u0642\u0645\u064a\u0629 \u0623\u062d\u0627\u062f\u064a\u0629 \u0627\u0644\u0637\u0631\u0641 \u0645\u0635\u0645\u0645\u0629 \u0644\u062a\u0643\u0648\u0646 50 \u0623\u0648\u0645.<\/li>\n\n\n\n<li>\u0639\u0627\u062f\u0629\u064b \u0645\u0627 \u064a\u0643\u0648\u0646 \u0627\u0644\u0646\u0637\u0627\u0642 \u0627\u0644\u0623\u0633\u0627\u0633\u064a \u0644\u0644\u0643\u0627\u0628\u0644 \u0627\u0644\u0645\u062d\u0648\u0631\u064a 50 \u0623\u0648\u0645.<\/li>\n\n\n\n<li>\u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0628\u0639\u0636 \u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u0646\u0637\u0627\u0642\u0627\u062a\u060c 75 \u0623\u0648\u0645 \u0647\u0648 \u062a\u0635\u0645\u064a\u0645 \u0634\u0627\u0626\u0639.<\/li>\n\n\n\n<li>\u0639\u0627\u062f\u0629 \u0645\u0627 \u064a\u062a\u0645 \u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0623\u0632\u0648\u0627\u062c \u0627\u0644\u0645\u0644\u062a\u0648\u064a\u0629 \u0644\u0644\u0625\u0634\u0627\u0631\u0627\u062a \u0627\u0644\u062a\u0641\u0627\u0636\u0644\u064a\u0629 \u0628\u064a\u0646 85 \u0648100 \u0623\u0648\u0645.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-8-final-notes-and-simple-rules-to-remember\">8. \u0645\u0644\u0627\u062d\u0638\u0627\u062a \u062e\u062a\u0627\u0645\u064a\u0629 \u0648\u0642\u0648\u0627\u0639\u062f \u0628\u0633\u064a\u0637\u0629 \u064a\u062c\u0628 \u062a\u0630\u0643\u0631\u0647\u0627<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u062a\u0624\u062b\u0631 \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629 \u0639\u0644\u0649 \u0645\u062f\u0649 \u062c\u0648\u062f\u0629 \u062d\u0645\u0644 \u0627\u0644\u062a\u062a\u0628\u0639 \u0644\u0625\u0634\u0627\u0631\u0629 \u0633\u0631\u064a\u0639\u0629. \u062d\u0627\u0641\u0638 \u0639\u0644\u0649 \u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a\u0647\u0627 \u0644\u062a\u062c\u0646\u0628 \u0641\u0642\u062f\u0627\u0646 \u0627\u0644\u0625\u0634\u0627\u0631\u0629 \u0648\u062a\u0634\u0648\u064a\u0647\u0647\u0627.<\/li>\n\n\n\n<li>\u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u063a\u064a\u0631 \u0627\u0644\u0637\u0644\u0627\u0621 \u0648\u0627\u0644\u062a\u0634\u0637\u064a\u0628 \u0627\u0644\u0633\u0637\u062d\u064a \u0639\u0644\u0649 \u0627\u0644\u0644\u0648\u062d \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629 \u0628\u0645\u0631\u0648\u0631 \u0627\u0644\u0648\u0642\u062a \u0648\u0645\u0639 \u0627\u0644\u0631\u0637\u0648\u0628\u0629. \u0627\u062e\u062a\u0631 \u0627\u0644\u0644\u0645\u0633\u0629 \u0627\u0644\u0646\u0647\u0627\u0626\u064a\u0629 \u0627\u0644\u0645\u0646\u0627\u0633\u0628\u0629 \u0648\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u0639\u0645\u0644\u064a\u0629 \u0644\u0644\u062d\u0641\u0627\u0638 \u0639\u0644\u0649 \u062b\u0628\u0627\u062a \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629.<\/li>\n\n\n\n<li>\u0639\u0646\u062f\u0645\u0627 \u0644\u0627 \u064a\u062a\u0637\u0627\u0628\u0642 \u0627\u0644\u0645\u0635\u062f\u0631 \u0648\u0627\u0644\u062d\u0645\u0644\u060c \u0627\u0633\u062a\u062e\u062f\u0645 \u062f\u0648\u0627\u0626\u0631 \u0645\u0637\u0627\u0628\u0642\u0629 \u0645\u0635\u0646\u0648\u0639\u0629 \u0645\u0646 \u0627\u0644\u0645\u0643\u062b\u0641\u0627\u062a \u0648\u0627\u0644\u0645\u062d\u0627\u062b\u0627\u062a \u0623\u0648 \u0627\u0636\u0628\u0637 \u0637\u0648\u0644 \u0627\u0644\u062e\u0637 \u0644\u062a\u0642\u0644\u064a\u0644 \u0627\u0644\u0627\u0646\u0639\u0643\u0627\u0633\u0627\u062a.<\/li>\n\n\n\n<li>\u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u0625\u0634\u0627\u0631\u0627\u062a \u0627\u0644\u0631\u0642\u0645\u064a\u0629\u060c \u0627\u0633\u062a\u0647\u062f\u0641 \u0645\u0639\u0627\u0648\u0642\u0629 \u0627\u0644\u062a\u062a\u0628\u0639 \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629 \u0645\u062b\u0644 50 \u0623\u0648\u0645 \u0644\u0644\u062e\u0637\u0648\u0637 \u0623\u062d\u0627\u062f\u064a\u0629 \u0627\u0644\u0637\u0631\u0641 \u064885-100 \u0623\u0648\u0645 \u0644\u0644\u0623\u0632\u0648\u0627\u062c \u0627\u0644\u062a\u0641\u0627\u0636\u0644\u064a\u0629.<\/li>\n<\/ul>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>Introduction In PCB design and manufacturing, impedance control is a critical technical requirement. To understand its necessity, we first clarify the basic concept of impedance and then explore its types, impacts, and practical applications in PCBs. 1. What is impedance? In a circuit that has resistance, inductance, and capacitance, the blocking effect these parts have [&hellip;]<\/p>","protected":false},"author":1,"featured_media":1542,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[72,39],"tags":[75,76,74,73,51],"class_list":["post-1539","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-high-speed-pcb","category-pcb-design","tag-characteristic-impedance","tag-differential-impedance","tag-impedance-control","tag-pcb-impedance","tag-pcb-manufacturing"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.3 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Why must a PCB have impedance control?<\/title>\n<meta name=\"description\" content=\"Clear guide to PCB impedance control. Learn why impedance matters, key impedance types, and how to design stable PCB signal paths.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/fljpcb.com\/ar\/why-must-a-pcb-have-impedance-control\/\" \/>\n<meta property=\"og:locale\" content=\"ar_AR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Why must a PCB have impedance control?\" \/>\n<meta property=\"og:description\" content=\"Clear guide to PCB impedance control. Learn why impedance matters, key impedance types, and how to design stable PCB signal paths.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/fljpcb.com\/ar\/why-must-a-pcb-have-impedance-control\/\" \/>\n<meta property=\"og:site_name\" content=\"Philifast - Fast PCB &amp; PCBA Manufacturer\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/PHILIFAST\/\" \/>\n<meta property=\"article:published_time\" content=\"2025-12-10T02:58:09+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-12-10T02:58:10+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/fljpcb.com\/wp-content\/uploads\/2025\/12\/Why-must-a-PCB-have-impedance-control.png\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"345\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Leo Xiong\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u0643\u064f\u062a\u0628 \u0628\u0648\u0627\u0633\u0637\u0629\" \/>\n\t<meta name=\"twitter:data1\" content=\"Leo Xiong\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u0648\u0642\u062a \u0627\u0644\u0642\u0631\u0627\u0621\u0629 \u0627\u0644\u0645\u064f\u0642\u062f\u0651\u0631\" \/>\n\t<meta name=\"twitter:data2\" content=\"8 \u062f\u0642\u0627\u0626\u0642\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/fljpcb.com\\\/sr\\\/why-must-a-pcb-have-impedance-control\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/fljpcb.com\\\/sr\\\/why-must-a-pcb-have-impedance-control\\\/\"},\"author\":{\"name\":\"Leo Xiong\",\"@id\":\"https:\\\/\\\/fljpcb.com\\\/eu\\\/#\\\/schema\\\/person\\\/cbdf12abcaf9b4cd3d4e4101103c9b51\"},\"headline\":\"Why must a PCB have impedance control?\",\"datePublished\":\"2025-12-10T02:58:09+00:00\",\"dateModified\":\"2025-12-10T02:58:10+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/fljpcb.com\\\/sr\\\/why-must-a-pcb-have-impedance-control\\\/\"},\"wordCount\":1565,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/fljpcb.com\\\/eu\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/fljpcb.com\\\/sr\\\/why-must-a-pcb-have-impedance-control\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/fljpcb.com\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/Why-must-a-PCB-have-impedance-control.png\",\"keywords\":[\"characteristic impedance\",\"differential impedance\",\"impedance control\",\"PCB impedance\",\"PCB manufacturing\"],\"articleSection\":[\"High-Speed PCB\",\"PCB Design\"],\"inLanguage\":\"ar\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/fljpcb.com\\\/sr\\\/why-must-a-pcb-have-impedance-control\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/fljpcb.com\\\/sr\\\/why-must-a-pcb-have-impedance-control\\\/\",\"url\":\"https:\\\/\\\/fljpcb.com\\\/sr\\\/why-must-a-pcb-have-impedance-control\\\/\",\"name\":\"Why must a PCB have impedance control?\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/fljpcb.com\\\/eu\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/fljpcb.com\\\/sr\\\/why-must-a-pcb-have-impedance-control\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/fljpcb.com\\\/sr\\\/why-must-a-pcb-have-impedance-control\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/fljpcb.com\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/Why-must-a-PCB-have-impedance-control.png\",\"datePublished\":\"2025-12-10T02:58:09+00:00\",\"dateModified\":\"2025-12-10T02:58:10+00:00\",\"description\":\"Clear guide to PCB impedance control. 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