{"id":1923,"date":"2024-07-01T12:41:52","date_gmt":"2024-07-01T12:41:52","guid":{"rendered":"https:\/\/tryvary.com\/?p=1923"},"modified":"2024-07-01T12:41:52","modified_gmt":"2024-07-01T12:41:52","slug":"pcb-layout-design-for-high-frequency-circuits","status":"publish","type":"post","link":"https:\/\/tryvary.com\/vi\/thiet-ke-bo-tri-pcb-cho-mach-tan-so-cao\/","title":{"rendered":"Thi\u1ebft k\u1ebf m\u1ea1ch t\u1ea7n s\u1ed1 cao: 3 m\u1eb9o b\u1ed1 tr\u00ed c\u1ea7n thi\u1ebft"},"content":{"rendered":"<p>Thi\u1ebft k\u1ebf m\u1ea1ch t\u1ea7n s\u1ed1 cao hi\u1ec7u qu\u1ea3 ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a <strong>\u0111\u1ed9 d\u00e0i \u0111\u01b0\u1eddng d\u1eabn t\u00edn hi\u1ec7u<\/strong>&#44; <strong>v\u1ecb tr\u00ed th\u00e0nh ph\u1ea7n chi\u1ebfn l\u01b0\u1ee3c<\/strong>, v\u00e0 \u0111i\u1ec1u khi\u1ec3n <strong>tr\u1edf kh\u00e1ng d\u1ea5u v\u1ebft<\/strong>. Gi\u1ea3m thi\u1ec3u \u0111\u1ed9 d\u00e0i \u0111\u01b0\u1eddng d\u1eabn t\u00edn hi\u1ec7u l\u00e0m gi\u1ea3m \u0111\u1ed9 tr\u1ec5 truy\u1ec1n v\u00e0 suy gi\u1ea3m t\u00edn hi\u1ec7u. V\u1ecb tr\u00ed th\u00e0nh ph\u1ea7n chi\u1ebfn l\u01b0\u1ee3c gi\u00fap gi\u1ea3m thi\u1ec3u nhi\u1ec5u v\u00e0 \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a t\u00edn hi\u1ec7u, v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n nh\u1ea1y c\u1ea3m \u0111\u01b0\u1ee3c \u0111\u1eb7t c\u00e1ch xa ngu\u1ed3n nhi\u1ec5u. <strong>D\u1ea5u v\u1ebft tr\u1edf kh\u00e1ng \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t<\/strong> ng\u0103n ch\u1eb7n s\u1ef1 ph\u1ea3n x\u1ea1 v\u00e0 suy gi\u1ea3m t\u00edn hi\u1ec7u. B\u1eb1ng c\u00e1ch n\u1eafm v\u1eefng nh\u1eefng \u0111i\u1ec1u thi\u1ebft y\u1ebfu n\u00e0y <strong>m\u1eb9o b\u1ed1 tr\u00ed<\/strong>, c\u00e1c nh\u00e0 thi\u1ebft k\u1ebf c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t cao nh\u1ea5t trong thi\u1ebft k\u1ebf m\u1ea1ch t\u1ea7n s\u1ed1 cao. Khi \u0111\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a c\u00e1c m\u1ea1ch t\u1ea7n s\u1ed1 cao ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n, vi\u1ec7c hi\u1ec3u nh\u1eefng nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n n\u00e0y l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t m\u1ea1ch v\u01b0\u1ee3t tr\u1ed9i.<\/p>\n<h2>B\u00e0i h\u1ecdc ch\u00ednh<\/h2>\n<ul>\n<li>Gi\u1ea3m thi\u1ec3u \u0111\u1ed9 d\u00e0i \u0111\u01b0\u1eddng d\u1eabn t\u00edn hi\u1ec7u \u0111\u1ec3 gi\u1ea3m \u0111\u1ed9 tr\u1ec5 truy\u1ec1n v\u00e0 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng c\u0169ng nh\u01b0 \u0111\u1ed9 tin c\u1eady c\u1ee7a t\u00edn hi\u1ec7u trong c\u00e1c m\u1ea1ch t\u1ea7n s\u1ed1 cao.<\/li>\n<li>B\u1ed1 tr\u00ed c\u00e1c th\u00e0nh ph\u1ea7n m\u1ed9t c\u00e1ch chi\u1ebfn l\u01b0\u1ee3c \u0111\u1ec3 gi\u1ea3m thi\u1ec3u nhi\u1ec5u t\u00edn hi\u1ec7u, gi\u1ea3m \u0111\u1ed9 d\u00e0i v\u1ebft v\u00e0 t\u1ed1i \u01b0u h\u00f3a \u0111\u01b0\u1eddng d\u1eabn t\u00edn hi\u1ec7u cho c\u00e1c m\u1ea1ch t\u1ea7n s\u1ed1 cao.<\/li>\n<li>Ki\u1ec3m so\u00e1t tr\u1edf kh\u00e1ng v\u1ebft b\u1eb1ng c\u00e1ch t\u00ednh to\u00e1n \u0111\u1ed9 r\u1ed9ng v\u1ebft d\u1ef1a tr\u00ean h\u1eb1ng s\u1ed1 \u0111i\u1ec7n m\u00f4i \u0111\u1ec3 ng\u0103n ph\u1ea3n x\u1ea1 t\u00edn hi\u1ec7u v\u00e0 \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a t\u00edn hi\u1ec7u.<\/li>\n<li>\u0110\u1eb7t c\u00e1c th\u00e0nh ph\u1ea7n nh\u1ea1y c\u1ea3m c\u00e1ch xa ngu\u1ed3n nhi\u1ec5u v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n t\u1ea7n s\u1ed1 cao g\u1ea7n nhau h\u01a1n \u0111\u1ec3 gi\u1ea3m nhi\u1ec5u v\u00e0 t\u1ed1i \u01b0u h\u00f3a \u0111\u01b0\u1eddng d\u1eabn t\u00edn hi\u1ec7u.<\/li>\n<li>S\u1eed d\u1ee5ng c\u00e1c k\u1ef9 thu\u1eadt b\u1ed1 tr\u00ed th\u00edch h\u1ee3p \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a v\u1ecb tr\u00ed th\u00e0nh ph\u1ea7n v\u00e0 \u0111\u1ecbnh tuy\u1ebfn t\u00edn hi\u1ec7u, \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a t\u00edn hi\u1ec7u v\u00e0 gi\u1ea3m \u0111\u1ed9 tr\u1ec5 trong c\u00e1c m\u1ea1ch t\u1ea7n s\u1ed1 cao.<\/li>\n<\/ul>\n<h2>T\u1ed1i \u01b0u h\u00f3a \u0111\u1ed9 d\u00e0i \u0111\u01b0\u1eddng d\u1eabn t\u00edn hi\u1ec7u<\/h2>\n<div class=\"embed-youtube\" style=\"position: relative; width: 100%; height: 0; padding-bottom: 56.25%; margin-bottom:20px;\"><iframe style=\"position: absolute; top: 0; left: 0; width: 100%; height: 100%;\" src=\"https:\/\/www.youtube.com\/embed\/VRJI0X-6yTg\" title=\"Tr\u00ecnh ph\u00e1t video YouTube\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe><\/div>\n<p>Khi thi\u1ebft k\u1ebf <strong>m\u1ea1ch t\u1ea7n s\u1ed1 cao<\/strong>, gi\u1ea3m thi\u1ec3u <strong>\u0111\u1ed9 d\u00e0i \u0111\u01b0\u1eddng d\u1eabn t\u00edn hi\u1ec7u<\/strong> l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 ng\u0103n ch\u1eb7n s\u1ef1 suy gi\u1ea3m t\u00edn hi\u1ec7u v\u00e0 duy tr\u00ec <strong>t\u00ednh to\u00e0n v\u1eb9n t\u00edn hi\u1ec7u<\/strong>. Trong Thi\u1ebft k\u1ebf PCB t\u1ea7n s\u1ed1 cao, vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a \u0111\u1ed9 d\u00e0i \u0111\u01b0\u1eddng d\u1eabn t\u00edn hi\u1ec7u l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o truy\u1ec1n t\u00edn hi\u1ec7u hi\u1ec7u qu\u1ea3.<\/p>\n<p>Chi\u1ec1u d\u00e0i v\u1ebft d\u00e0i h\u01a1n c\u00f3 th\u1ec3 g\u00e2y ra s\u1ef1 kh\u00f4ng ph\u00f9 h\u1ee3p tr\u1edf kh\u00e1ng, d\u1eabn \u0111\u1ebfn <strong>suy gi\u1ea3m t\u00edn hi\u1ec7u v\u00e0 nhi\u1ec5u<\/strong>. \u0110\u1ec3 gi\u1ea3m thi\u1ec3u \u0111i\u1ec1u n\u00e0y, <strong>nh\u00e0 thi\u1ebft k\u1ebf PCB<\/strong> n\u00ean t\u1eadp trung v\u00e0o vi\u1ec7c gi\u1ea3m thi\u1ec3u \u0111\u1ed9 d\u00e0i \u0111\u01b0\u1eddng d\u1eabn t\u00edn hi\u1ec7u \u0111\u1ec3 gi\u1ea3m <strong>\u0111\u1ed9 tr\u1ec5 truy\u1ec1n t\u00edn hi\u1ec7u<\/strong>.<\/p>\n<p>\u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c th\u00f4ng qua vi\u1ec7c th\u1ef1c hi\u1ec7n \u0111\u00fang <strong>k\u1ef9 thu\u1eadt b\u1ed1 tr\u00ed<\/strong>, ch\u1eb3ng h\u1ea1n nh\u01b0 t\u1ed1i \u01b0u h\u00f3a v\u1ecb tr\u00ed th\u00e0nh ph\u1ea7n v\u00e0 \u0111\u1ecbnh tuy\u1ebfn t\u00edn hi\u1ec7u theo c\u00e1ch gi\u1ea3m thi\u1ec3u \u0111\u1ed9 d\u00e0i d\u1ea5u v\u1ebft. B\u1eb1ng c\u00e1ch \u0111\u00f3, c\u00e1c nh\u00e0 thi\u1ebft k\u1ebf c\u00f3 th\u1ec3 duy tr\u00ec t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a t\u00edn hi\u1ec7u, gi\u1ea3m nhi\u1ec5u v\u00e0 \u0111\u1ea3m b\u1ea3o truy\u1ec1n t\u00edn hi\u1ec7u \u0111\u00e1ng tin c\u1eady.<\/p>\n<p>T\u1ed1i \u01b0u h\u00f3a \u0111\u1ed9 d\u00e0i \u0111\u01b0\u1eddng d\u1eabn t\u00edn hi\u1ec7u l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi hi\u1ec7u su\u1ea5t m\u1ea1ch t\u1ea7n s\u1ed1 cao v\u00ec n\u00f3 \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a t\u00edn hi\u1ec7u. B\u1eb1ng c\u00e1ch \u01b0u ti\u00ean t\u1ed1i \u01b0u h\u00f3a \u0111\u1ed9 d\u00e0i \u0111\u01b0\u1eddng d\u1eabn t\u00edn hi\u1ec7u, c\u00e1c nh\u00e0 thi\u1ebft k\u1ebf c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c m\u1ea1ch hi\u1ec7u su\u1ea5t cao \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee7a c\u00e1c \u1ee9ng d\u1ee5ng t\u1ea7n s\u1ed1 cao hi\u1ec7n \u0111\u1ea1i.<\/p>\n<h2>V\u1ecb tr\u00ed th\u00e0nh ph\u1ea7n chi\u1ebfn l\u01b0\u1ee3c<\/h2>\n<div class=\"body-image-wrapper\" style=\"margin-bottom:20px;\"><img decoding=\"async\" width=\"1006\" height=\"575\" src=\"https:\/\/tryvary.com\/wp-content\/uploads\/2024\/05\/strategic_layout_of_components.jpg\" alt=\"b\u1ed1 tr\u00ed chi\u1ebfn l\u01b0\u1ee3c c\u1ee7a c\u00e1c th\u00e0nh ph\u1ea7n\" style=\"aspect-ratio: 16\/9;\"><\/div>\n<p>Trong thi\u1ebft k\u1ebf m\u1ea1ch t\u1ea7n s\u1ed1 cao, vi\u1ec7c b\u1ed1 tr\u00ed th\u00e0nh ph\u1ea7n chi\u1ebfn l\u01b0\u1ee3c l\u00e0 c\u1ea7n thi\u1ebft v\u00ec n\u00f3 cho ph\u00e9p gi\u1ea3m thi\u1ec3u nhi\u1ec5u t\u00edn hi\u1ec7u v\u00e0 \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a t\u00edn hi\u1ec7u b\u1eb1ng c\u00e1ch gi\u1ea3m \u0111\u1ed9 d\u00e0i v\u1ebft v\u00e0 \u0111\u1ed9 tr\u1ec5 t\u00edn hi\u1ec7u. B\u1eb1ng c\u00e1ch s\u1eafp x\u1ebfp c\u1ea9n th\u1eadn c\u00e1c th\u00e0nh ph\u1ea7n, c\u00e1c nh\u00e0 thi\u1ebft k\u1ebf c\u00f3 th\u1ec3 t\u1ed1i \u01b0u h\u00f3a \u0111\u01b0\u1eddng d\u1eabn t\u00edn hi\u1ec7u, gi\u1ea3m \u0111\u1ed9 d\u00e0i \u0111\u01b0\u1eddng truy\u1ec1n v\u00e0 gi\u1ea3m thi\u1ec3u hi\u1ec7u \u1ee9ng \u0111i\u1ec7n dung v\u00e0 \u0111i\u1ec7n c\u1ea3m k\u00fd sinh.<\/p>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: center\"><strong>Th\u00e0nh ph\u1ea7n<\/strong><\/th>\n<th style=\"text-align: center\"><strong>C\u00e2n nh\u1eafc v\u1ec1 v\u1ecb tr\u00ed<\/strong><\/th>\n<th style=\"text-align: center\"><strong>Nh\u1eefng l\u1ee3i \u00edch<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: center\">Linh ki\u1ec7n t\u1ea7n s\u1ed1 cao<\/td>\n<td style=\"text-align: center\">\u0110\u1eb7t g\u1ea7n nhau h\u01a1n<\/td>\n<td style=\"text-align: center\">Gi\u1ea3m nhi\u1ec5u t\u00edn hi\u1ec7u v\u00e0 \u0111\u1ed9 d\u00e0i \u0111\u01b0\u1eddng truy\u1ec1n<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center\">Th\u00e0nh ph\u1ea7n nh\u1ea1y c\u1ea3m<\/td>\n<td style=\"text-align: center\">\u0110\u1eb7t xa ngu\u1ed3n \u1ed3n<\/td>\n<td style=\"text-align: center\">Gi\u1ea3m thi\u1ec3u nhi\u1ec5u t\u00edn hi\u1ec7u v\u00e0 c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng t\u00edn hi\u1ec7u<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center\">\u0110\u01b0\u1eddng d\u1eabn t\u00edn hi\u1ec7u quan tr\u1ecdng<\/td>\n<td style=\"text-align: center\">T\u1ed1i \u01b0u h\u00f3a v\u1ecb tr\u00ed th\u00e0nh ph\u1ea7n cho \u0111\u01b0\u1eddng d\u1eabn ng\u1eafn nh\u1ea5t<\/td>\n<td style=\"text-align: center\">Gi\u1ea3m \u0111\u1ed9 tr\u1ec5 t\u00edn hi\u1ec7u v\u00e0 c\u1ea3i thi\u1ec7n t\u00ednh to\u00e0n v\u1eb9n t\u00edn hi\u1ec7u<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>V\u1ecb tr\u00ed th\u00e0nh ph\u1ea7n chi\u1ebfn l\u01b0\u1ee3c l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft trong thi\u1ebft k\u1ebf m\u1ea1ch t\u1ea7n s\u1ed1 cao v\u00ec n\u00f3 \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a t\u00edn hi\u1ec7u. B\u1eb1ng c\u00e1ch gi\u1ea3m thi\u1ec3u nhi\u1ec5u t\u00edn hi\u1ec7u v\u00e0 gi\u1ea3m \u0111\u1ed9 d\u00e0i \u0111\u01b0\u1eddng truy\u1ec1n, c\u00e1c nh\u00e0 thi\u1ebft k\u1ebf c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o truy\u1ec1n t\u00edn hi\u1ec7u \u0111\u00e1ng tin c\u1eady v\u00e0 duy tr\u00ec t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a t\u00edn hi\u1ec7u. B\u1eb1ng c\u00e1ch l\u00e0m theo nh\u1eefng nguy\u00ean t\u1eafc n\u00e0y, c\u00e1c nh\u00e0 thi\u1ebft k\u1ebf c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c m\u1ea1ch t\u1ea7n s\u1ed1 cao mang l\u1ea1i t\u00edn hi\u1ec7u ch\u1ea5t l\u01b0\u1ee3ng cao v\u00e0 gi\u1ea3m thi\u1ec3u nguy c\u01a1 nhi\u1ec5u xuy\u00ean \u00e2m.<\/p>\n<h2>Ki\u1ec3m so\u00e1t tr\u1edf kh\u00e1ng d\u1ea5u v\u1ebft<\/h2>\n<div class=\"body-image-wrapper\" style=\"margin-bottom:20px;\"><img decoding=\"async\" width=\"1006\" height=\"575\" src=\"https:\/\/tryvary.com\/wp-content\/uploads\/2024\/05\/precise_trace_impedance_control.jpg\" alt=\"ki\u1ec3m so\u00e1t tr\u1edf kh\u00e1ng d\u1ea5u v\u1ebft ch\u00ednh x\u00e1c\" style=\"aspect-ratio: 16\/9;\"><\/div>\n<p>Qu\u1ea3n l\u00fd tr\u1edf kh\u00e1ng v\u1ebft l\u00e0 \u0111i\u1ec1u c\u01a1 b\u1ea3n trong thi\u1ebft k\u1ebf m\u1ea1ch t\u1ea7n s\u1ed1 cao v\u00ec n\u00f3 \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn s\u1ef1 ph\u1ea3n x\u1ea1 t\u00edn hi\u1ec7u, truy\u1ec1n t\u1ea3i v\u00e0 hi\u1ec7u su\u1ea5t t\u1ed5ng th\u1ec3 c\u1ee7a m\u1ea1ch. Trong thi\u1ebft k\u1ebf PCB t\u1ea7n s\u1ed1 cao, d\u1ea5u v\u1ebft tr\u1edf kh\u00e1ng \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 duy tr\u00ec t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a t\u00edn hi\u1ec7u v\u00e0 gi\u1ea3m thi\u1ec3u ph\u1ea3n x\u1ea1 t\u00edn hi\u1ec7u. \u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111i\u1ec1u n\u00e0y, \u0111i\u1ec1u c\u1ea7n thi\u1ebft l\u00e0 ph\u1ea3i t\u00ednh to\u00e1n \u0111\u1ed9 r\u1ed9ng v\u1ebft ph\u00f9 h\u1ee3p nh\u1ea5t d\u1ef1a tr\u00ean h\u1eb1ng s\u1ed1 \u0111i\u1ec7n m\u00f4i v\u00e0 tr\u1edf kh\u00e1ng mong mu\u1ed1n.<\/p>\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 b\u1ed1n c\u00e2n nh\u1eafc ch\u00ednh \u0111\u1ec3 ki\u1ec3m so\u00e1t tr\u1edf kh\u00e1ng v\u1ebft:<\/p>\n<ol>\n<li><strong>Tr\u1edf kh\u00e1ng ph\u00f9 h\u1ee3p<\/strong>: \u0110\u1ea3m b\u1ea3o r\u1eb1ng tr\u1edf kh\u00e1ng c\u1ee7a \u0111\u01b0\u1eddng truy\u1ec1n ph\u00f9 h\u1ee3p v\u1edbi tr\u1edf kh\u00e1ng c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn v\u00e0 \u0111\u01b0\u1eddng truy\u1ec1n \u0111\u1ec3 tr\u00e1nh ph\u1ea3n x\u1ea1 t\u00edn hi\u1ec7u.<\/li>\n<li><strong>Tr\u1edf kh\u00e1ng d\u1ea5u v\u1ebft nh\u1ea5t qu\u00e1n<\/strong>: Duy tr\u00ec tr\u1edf kh\u00e1ng v\u1ebft nh\u1ea5t qu\u00e1n trong to\u00e0n b\u1ed9 b\u1ed1 c\u1ee5c \u0111\u1ec3 gi\u1ea3m suy gi\u1ea3m t\u00edn hi\u1ec7u.<\/li>\n<li><strong>T\u00ednh h\u1eb1ng s\u1ed1 \u0111i\u1ec7n m\u00f4i<\/strong>: T\u00ednh to\u00e1n chi\u1ec1u r\u1ed9ng v\u1ebft t\u1ed1t nh\u1ea5t d\u1ef1a tr\u00ean h\u1eb1ng s\u1ed1 \u0111i\u1ec7n m\u00f4i c\u1ee7a v\u1eadt li\u1ec7u PCB.<\/li>\n<li><strong>X\u00e1c minh t\u00ednh to\u00e0n v\u1eb9n t\u00edn hi\u1ec7u<\/strong>: X\u00e1c nh\u1eadn t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a t\u00edn hi\u1ec7u b\u1eb1ng c\u00e1ch m\u00f4 ph\u1ecfng m\u1ea1ch v\u00e0 ph\u00e2n t\u00edch s\u1ef1 ph\u1ea3n x\u1ea1 v\u00e0 truy\u1ec1n t\u00edn hi\u1ec7u.<\/li>\n<\/ol>\n<h2>C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n<h3>3 b\u01b0\u1edbc quan tr\u1ecdng h\u00e0ng \u0111\u1ea7u trong quy tr\u00ecnh thi\u1ebft k\u1ebf v\u00e0 b\u1ed1 tr\u00ed PCB l\u00e0 g\u00ec?<\/h3>\n<p>Khi thi\u1ebft k\u1ebf b\u1ea3ng m\u1ea1ch in (PCB), ba b\u01b0\u1edbc ch\u00ednh s\u1ebd ph\u00e1t huy hi\u1ec7u su\u1ea5t v\u01b0\u1ee3t tr\u1ed9i.<\/p>\n<p>\u0110\u1ea7u ti\u00ean, <strong>v\u1ecb tr\u00ed th\u00e0nh ph\u1ea7n th\u00edch h\u1ee3p<\/strong> l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 truy\u1ec1n t\u00edn hi\u1ec7u hi\u1ec7u qu\u1ea3 v\u00e0 gi\u1ea3m thi\u1ec3u nhi\u1ec5u.<\/p>\n<p>Th\u1ee9 hai, \u0111\u1ecbnh tuy\u1ebfn c\u1ea9n th\u1eadn c\u00e1c \u0111\u01b0\u1eddng truy\u1ec1n v\u1edbi <strong>tr\u1edf kh\u00e1ng \u0111i\u1ec1u khi\u1ec3n<\/strong> duy tr\u00ec t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a t\u00edn hi\u1ec7u v\u00e0 ng\u0103n ch\u1eb7n s\u1ef1 ph\u1ea3n x\u1ea1.<\/p>\n<h3>Quy t\u1eafc 3h trong thi\u1ebft k\u1ebf PCB l\u00e0 g\u00ec?<\/h3>\n<p>C\u00e1c <strong>quy t\u1eafc 3h<\/strong> trong thi\u1ebft k\u1ebf PCB l\u00e0 h\u01b0\u1edbng d\u1eabn c\u01a1 b\u1ea3n cho <strong>b\u1ea3ng m\u1ea1ch t\u1ea7n s\u1ed1 cao<\/strong>. N\u00f3 quy \u0111\u1ecbnh r\u1eb1ng kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c d\u1ea5u hi\u1ec7u t\u00edn hi\u1ec7u t\u1ed1c \u0111\u1ed9 cao ph\u1ea3i \u00edt nh\u1ea5t g\u1ea5p ba l\u1ea7n chi\u1ec1u cao c\u1ee7a v\u1eadt li\u1ec7u \u0111i\u1ec7n m\u00f4i gi\u1eefa ch\u00fang.<\/p>\n<p>Quy t\u1eafc n\u00e0y gi\u00fap ng\u0103n ng\u1eeba nhi\u1ec5u xuy\u00ean \u00e2m v\u00e0 nhi\u1ec5u t\u00edn hi\u1ec7u, \u0111\u1ea3m b\u1ea3o ph\u00f9 h\u1ee3p <strong>t\u00ednh to\u00e0n v\u1eb9n t\u00edn hi\u1ec7u<\/strong> v\u00e0 gi\u1ea3m thi\u1ec3u r\u1ee7i ro nhi\u1ec5u \u0111i\u1ec7n t\u1eeb. Tu\u00e2n th\u1ee7 quy t\u1eafc 3h l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 c\u00f3 hi\u1ec7u su\u1ea5t v\u01b0\u1ee3t tr\u1ed9i v\u00e0 ho\u1ea1t \u0111\u1ed9ng \u0111\u00e1ng tin c\u1eady trong c\u00e1c thi\u1ebft k\u1ebf PCB t\u1ea7n s\u1ed1 cao.<\/p>\n<h3>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 thi\u1ebft k\u1ebf m\u1ed9t Pcb t\u1ea7n s\u1ed1 cao?<\/h3>\n<p>Thi\u1ebft k\u1ebf PCB t\u1ea7n s\u1ed1 cao \u0111\u00f2i h\u1ecfi m\u1ed9t c\u00e1ch ti\u1ebfp c\u1eadn t\u1ec9 m\u1ec9 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n t\u00edn hi\u1ec7u v\u00e0 hi\u1ec7u su\u1ea5t cao nh\u1ea5t. Kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c thi\u1ebft k\u1ebf t\u1ea7n s\u1ed1 th\u1ea5p, <strong>b\u1ed1 tr\u00ed t\u1ea7n s\u1ed1 cao<\/strong> y\u00eau c\u1ea7u xem x\u00e9t c\u1ea9n th\u1eadn \u0111\u1ed9 d\u00e0i d\u1ea5u v\u1ebft, <strong>\u0111i\u1ec1u khi\u1ec3n tr\u1edf kh\u00e1ng<\/strong>, V\u00e0 <strong>v\u1ecb tr\u00ed th\u00e0nh ph\u1ea7n<\/strong>.<\/p>\n<p>\u0110\u1ec3 b\u1eaft \u0111\u1ea7u, h\u00e3y x\u00e1c \u0111\u1ecbnh c\u00e1c y\u00eau c\u1ea7u v\u1ec1 d\u1ea3i t\u1ea7n v\u00e0 t\u00edn hi\u1ec7u, sau \u0111\u00f3 ch\u1ecdn v\u1eadt li\u1ec7u v\u00e0 thi\u1ebft k\u1ebf x\u1ebfp ch\u1ed3ng ph\u00f9 h\u1ee3p. Ti\u1ebfp theo, t\u1ed1i \u01b0u h\u00f3a v\u1ecb tr\u00ed th\u00e0nh ph\u1ea7n, gi\u1ea3m thi\u1ec3u \u0111\u01b0\u1eddng d\u1eabn t\u00edn hi\u1ec7u v\u00e0 \u0111\u1ea3m b\u1ea3o n\u1ed1i \u0111\u1ea5t th\u00edch h\u1ee3p.<\/p>\n<h3>C\u00e1c quy t\u1eafc v\u00e0ng c\u1ee7a thi\u1ebft k\u1ebf PCB l\u00e0 g\u00ec?<\/h3>\n<p>C\u00e1c quy t\u1eafc v\u00e0ng c\u1ee7a thi\u1ebft k\u1ebf PCB bao g\u1ed3m c\u00e1c nguy\u00ean t\u1eafc thi\u1ebft y\u1ebfu \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t m\u1ea1ch l\u00fd t\u01b0\u1edfng. Nh\u1eefng quy t\u1eafc n\u00e0y quy \u0111\u1ecbnh vi\u1ec7c gi\u1ea3m thi\u1ec3u <strong>chi\u1ec1u d\u00e0i d\u1ea5u v\u1ebft<\/strong> \u0111\u1ec3 gi\u1ea3m \u0111\u1ed9 tr\u1ec5 v\u00e0 nhi\u1ec5u t\u00edn hi\u1ec7u, \u0111\u1ea3m b\u1ea3o ph\u00f9 h\u1ee3p <strong>v\u1ecb tr\u00ed m\u1eb7t \u0111\u1ea5t<\/strong> cho d\u00f2ng tr\u1edf v\u1ec1 c\u00f3 tr\u1edf kh\u00e1ng th\u1ea5p v\u00e0 duy tr\u00ec \u1ed5n \u0111\u1ecbnh <strong>d\u1ea5u v\u1ebft tr\u1edf kh\u00e1ng \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t<\/strong> \u0111\u1ec3 tr\u00e1nh hi\u1ec7n t\u01b0\u1ee3ng m\u00e9o v\u00e0 ph\u1ea3n x\u1ea1 t\u00edn hi\u1ec7u.<\/p>\n<p>Ngo\u00e0i ra, kho\u1ea3ng c\u00e1ch th\u00edch h\u1ee3p gi\u1eefa c\u00e1c d\u1ea5u v\u1ebft t\u00edn hi\u1ec7u t\u1ed1c \u0111\u1ed9 cao v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n nh\u1ea1y c\u1ea3m l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 tr\u00e1nh nhi\u1ec5u xuy\u00ean \u00e2m, cu\u1ed1i c\u00f9ng \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng tuy\u1ec7t v\u1eddi. <strong>t\u00ednh to\u00e0n v\u1eb9n t\u00edn hi\u1ec7u<\/strong> v\u00e0 hi\u1ec7u su\u1ea5t.<\/p>","protected":false},"excerpt":{"rendered":"<p>Ch\u1ee9ng ki\u1ebfn s\u1ee9c m\u1ea1nh bi\u1ebfn \u0111\u1ed5i c\u1ee7a \u0111\u01b0\u1eddng d\u1eabn t\u00edn hi\u1ec7u \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a, v\u1ecb tr\u00ed th\u00e0nh ph\u1ea7n chi\u1ebfn l\u01b0\u1ee3c v\u00e0 tr\u1edf kh\u00e1ng \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t trong thi\u1ebft k\u1ebf m\u1ea1ch t\u1ea7n s\u1ed1 cao.<\/p>","protected":false},"author":9,"featured_media":1922,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[17],"tags":[],"class_list":["post-1923","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pcb-layout-design-tips-guild"],"uagb_featured_image_src":{"full":["https:\/\/tryvary.com\/wp-content\/uploads\/2024\/05\/optimizing_high_frequency_circuit_layout.jpg",1006,575,false],"thumbnail":["https:\/\/tryvary.com\/wp-content\/uploads\/2024\/05\/optimizing_high_frequency_circuit_layout-150x150.jpg",150,150,true],"medium":["https:\/\/tryvary.com\/wp-content\/uploads\/2024\/05\/optimizing_high_frequency_circuit_layout-300x171.jpg",300,171,true],"medium_large":["https:\/\/tryvary.com\/wp-content\/uploads\/2024\/05\/optimizing_high_frequency_circuit_layout-768x439.jpg",768,439,true],"large":["https:\/\/tryvary.com\/wp-content\/uploads\/2024\/05\/optimizing_high_frequency_circuit_layout.jpg",1006,575,false],"1536x1536":["https:\/\/tryvary.com\/wp-content\/uploads\/2024\/05\/optimizing_high_frequency_circuit_layout.jpg",1006,575,false],"2048x2048":["https:\/\/tryvary.com\/wp-content\/uploads\/2024\/05\/optimizing_high_frequency_circuit_layout.jpg",1006,575,false],"trp-custom-language-flag":["https:\/\/tryvary.com\/wp-content\/uploads\/2024\/05\/optimizing_high_frequency_circuit_layout.jpg",18,10,false]},"uagb_author_info":{"display_name":"Ben Lau","author_link":"https:\/\/tryvary.com\/vi\/author\/wsbpmbzuog4q\/"},"uagb_comment_info":0,"uagb_excerpt":"Witness the transformative power of optimized signal paths&#44; strategic component placement&#44; and controlled impedance in high-frequency circuit design.","_links":{"self":[{"href":"https:\/\/tryvary.com\/vi\/wp-json\/wp\/v2\/posts\/1923","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tryvary.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tryvary.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tryvary.com\/vi\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/tryvary.com\/vi\/wp-json\/wp\/v2\/comments?post=1923"}],"version-history":[{"count":1,"href":"https:\/\/tryvary.com\/vi\/wp-json\/wp\/v2\/posts\/1923\/revisions"}],"predecessor-version":[{"id":2469,"href":"https:\/\/tryvary.com\/vi\/wp-json\/wp\/v2\/posts\/1923\/revisions\/2469"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tryvary.com\/vi\/wp-json\/wp\/v2\/media\/1922"}],"wp:attachment":[{"href":"https:\/\/tryvary.com\/vi\/wp-json\/wp\/v2\/media?parent=1923"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tryvary.com\/vi\/wp-json\/wp\/v2\/categories?post=1923"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tryvary.com\/vi\/wp-json\/wp\/v2\/tags?post=1923"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}