{"id":4193,"date":"2025-06-09T00:00:00","date_gmt":"2025-06-09T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/glossary\/what-is-emc-electromagnetic-compatibility\/"},"modified":"2026-06-22T09:29:13","modified_gmt":"2026-06-22T09:29:13","slug":"what-is-emc-electromagnetic-compatibility","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-emc-electromagnetic-compatibility","title":{"rendered":"T\u01b0\u01a1ng th\u00edch \u0111i\u1ec7n t\u1eeb (EMC) l\u00e0 g\u00ec?"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1312\" height=\"736\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9de57797021044938879a149b511084d.webp\" alt=\"What is Electromagnetic Compatibility\uff1f\" class=\"wp-image-4191\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9de57797021044938879a149b511084d.webp 1312w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9de57797021044938879a149b511084d-300x168.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9de57797021044938879a149b511084d-1024x574.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9de57797021044938879a149b511084d-768x431.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9de57797021044938879a149b511084d-18x10.webp 18w\" sizes=\"(max-width: 1312px) 100vw, 1312px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch \u0111i\u1ec7n t\u1eeb (EMC)<\/strong> l\u00e0 m\u1ed9t kh\u00e1i ni\u1ec7m n\u1ec1n t\u1ea3ng trong k\u1ef9 thu\u1eadt \u0111i\u1ec7n v\u00e0 \u0111i\u1ec7n t\u1eed. N\u00f3 \u0111\u1ec1 c\u1eadp \u0111\u1ebfn kh\u1ea3 n\u0103ng c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb v\u00e0 h\u1ec7 th\u1ed1ng \u0111i\u1ec7n t\u1eed ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang v\u00e0 \u0111\u00e1ng tin c\u1eady trong m\u00f4i tr\u01b0\u1eddng \u0111i\u1ec7n t\u1eeb c\u1ee7a ch\u00fang, m\u00e0 kh\u00f4ng g\u00e2y ra hay b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi c\u00e1c nhi\u1ec5u \u0111i\u1ec7n t\u1eeb kh\u00f4ng mong mu\u1ed1n <a target=\"_self\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-electromagnetic-interference\/\">nhi\u1ec5u \u0111i\u1ec7n t\u1eeb (EMI)<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1ec1 b\u1ea3n ch\u1ea5t, EMC \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec7n t\u1eed kh\u00e1c nhau c\u00f3 th\u1ec3 c\u00f9ng t\u1ed3n t\u1ea1i m\u00e0 kh\u00f4ng g\u00e2y gi\u00e1n \u0111o\u1ea1n cho nhau \u2014 m\u1ed9t y\u00eau c\u1ea7u thi\u1ebft y\u1ebfu trong th\u1ebf gi\u1edbi k\u1ebft n\u1ed1i ng\u00e0y nay v\u1edbi c\u00e1c c\u00f4ng ngh\u1ec7 truy\u1ec1n th\u00f4ng t\u1ed1c \u0111\u1ed9 cao, c\u00f4ng ngh\u1ec7 kh\u00f4ng d\u00e2y v\u00e0 c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u d\u00e0y \u0111\u1eb7c.<\/p>\n\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n\n<h2 class=\"wp-block-heading\" >T\u1ea1i sao EMC l\u1ea1i quan tr\u1ecdng?<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >\u2705 Ng\u0103n ng\u1eeba EMI (Nhi\u1ec5u \u0111i\u1ec7n t\u1eeb)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1eb7c d\u00f9 <strong>EMI<\/strong> \u0111\u1ec1 c\u1eadp \u0111\u1ebfn nhi\u1ec5u \u0111i\u1ec7n t\u1eeb th\u1ef1c t\u1ebf ho\u1eb7c s\u1ef1 x\u00e1o tr\u1ed9n, <strong>, b\u1ea1n n\u00e2ng cao kh\u1ea3 n\u0103ng v\u01b0\u1ee3t qua th\u1eed nghi\u1ec7m FCC ngay l\u1ea7n \u0111\u1ea7u ti\u00ean\u2014ti\u1ebft ki\u1ec7m c\u1ea3 th\u1eddi gian l\u1eabn chi ph\u00ed.<\/strong> t\u1eadp trung v\u00e0o vi\u1ec7c thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 d\u1eadp t\u1eaft ho\u1eb7c ch\u1ecbu \u0111\u1ef1ng nhi\u1ec5u \u0111\u00f3 t\u1ed1t \u0111\u1ebfn m\u1ee9c n\u00e0o. C\u00e1c thi\u1ebft b\u1ecb c\u00f3 kh\u1ea3 n\u0103ng EMC k\u00e9m c\u00f3 th\u1ec3 g\u00e2y ra ho\u1eb7c ch\u1ecbu \u1ea3nh h\u01b0\u1edfng t\u1eeb c\u00e1c s\u1ef1 c\u1ed1, hi\u1ec7u su\u1ea5t suy gi\u1ea3m ho\u1eb7c th\u1eadm ch\u00ed h\u01b0 h\u1ecfng ph\u1ea7n c\u1ee9ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u2705 \u0110\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady c\u1ee7a h\u1ec7 th\u1ed1ng<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Trong c\u00e1c m\u00f4i tr\u01b0\u1eddng c\u00f3 nhi\u1ec1u h\u1ec7 th\u1ed1ng \u0111i\u1ec7n t\u1eed \u2014 nh\u01b0 m\u00e1y ch\u1ee7, b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn ho\u1eb7c m\u1ea1ng c\u00e1p quang \u2014 EMC gi\u00fap duy tr\u00ec <strong>\u0111\u1ed9 to\u00e0n v\u1eb9n t\u00edn hi\u1ec7u<\/strong> and <strong>\u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a h\u1ec7 th\u1ed1ng<\/strong>, gi\u1ea3m thi\u1ec3u l\u1ed7i d\u1eef li\u1ec7u v\u00e0 kh\u1edfi \u0111\u1ed9ng l\u1ea1i b\u1ea5t ng\u1edd.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u2705 \u0110\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u quy \u0111\u1ecbnh<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">H\u1ea7u h\u1ebft c\u00e1c qu\u1ed1c gia \u00e1p d\u1ee5ng c\u00e1c ti\u00eau chu\u1ea9n EMC nghi\u00eam ng\u1eb7t (v\u00ed d\u1ee5: FCC, CE, CISPR). Vi\u1ec7c kh\u00f4ng tu\u00e2n th\u1ee7 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn <strong>h\u00ecnh ph\u1ea1t ph\u00e1p l\u00fd<\/strong>, <strong>thu h\u1ed3i s\u1ea3n ph\u1ea9m<\/strong>, or <strong>ch\u1eadm tr\u1ec5 trong vi\u1ec7c ra m\u1eaft s\u1ea3n ph\u1ea9m<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n\n<h2 class=\"wp-block-heading\" >EMC so v\u1edbi EMI: S\u1ef1 kh\u00e1c bi\u1ec7t l\u00e0 g\u00ec?<\/h2>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p><strong>Thu\u1eadt ng\u1eef<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>\u00dd ngh\u0129a<\/strong><\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Ch\u1ed1ng nhi\u1ec5u \u0111i\u1ec7n t\u1eeb (EMI)<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>S\u1ef1 x\u00e1o tr\u1ed9n ho\u1eb7c nhi\u1ec5u th\u1ef1c t\u1ebf \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec7n t\u1eed.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>EMC (T\u01b0\u01a1ng th\u00edch \u0111i\u1ec7n t\u1eeb)<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Kh\u1ea3 n\u0103ng c\u1ee7a thi\u1ebft b\u1ecb \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang b\u1ea5t ch\u1ea5p EMI, \u0111\u1ed3ng th\u1eddi kh\u00f4ng ph\u00e1t ra EMI g\u00e2y gi\u00e1n \u0111o\u1ea1n.<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udca1 <em>H\u00e3y coi EMI nh\u01b0 \u201cv\u1ea5n \u0111\u1ec1\u201d, c\u00f2n EMC l\u00e0 m\u1ee9c \u0111\u1ed9 thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf t\u1ed1t \u0111\u1ec3 gi\u1ea3i quy\u1ebft ho\u1eb7c ng\u0103n ch\u1eb7n v\u1ea5n \u0111\u1ec1 \u0111\u00f3.<\/em><\/p>\n\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n\n<h2 class=\"wp-block-heading\" >Nguy\u00ean nh\u00e2n g\u00e2y nhi\u1ec5u EMC l\u00e0 g\u00ec?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c v\u1ea5n \u0111\u1ec1 li\u00ean quan \u0111\u1ebfn EMC b\u1eaft ngu\u1ed3n t\u1eeb c\u1ea3 hai lo\u1ea1i <strong>nh\u00e2n t\u1ea1o<\/strong> and <strong>t\u1ef1 nhi\u00ean<\/strong> :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Ngu\u1ed3n c\u1ea5p \u0111i\u1ec7n chuy\u1ec3n m\u1ea1ch<\/p><\/li><li><p>\u0110i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng v\u00e0 tr\u1ea1m g\u1ed1c<\/p><\/li><li><p>S\u00e9t v\u00e0 b\u00e3o m\u1eb7t tr\u1eddi<\/p><\/li><li><p>B\u1ed1 tr\u00ed b\u1ea3ng m\u1ea1ch in (PCB) ho\u1eb7c ti\u1ebfp \u0111\u1ea5t k\u00e9m<\/p><\/li><li><p>L\u1edbp ch\u1eafn c\u00e1p ho\u1eb7c v\u1ecf b\u1ecdc kh\u00f4ng \u0111\u1ea7y \u0111\u1ee7<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c ngu\u1ed3n n\u00e0y t\u1ea1o ra nhi\u1ec5u \u0111i\u1ec7n t\u1eeb c\u00f3 th\u1ec3 lan truy\u1ec1n qua d\u1eabn (d\u00e2y d\u1eabn) ho\u1eb7c b\u1ee9c x\u1ea1 (trong kh\u00f4ng kh\u00ed), \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c h\u1ec7 th\u1ed1ng l\u00e2n c\u1eadn.<\/p>\n\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n\n<h2 class=\"wp-block-heading\" >T\u1ea1i sao EMC l\u1ea1i \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c module quang?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1eb7c d\u00f9 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>module quang<br><\/strong><\/a> M\u1eb7c d\u00f9 ch\u1ee7 y\u1ebfu s\u1eed d\u1ee5ng \u00e1nh s\u00e1ng \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u, ch\u00fang v\u1eabn ch\u1ee9a <strong>c\u00e1c m\u1ea1ch \u0111i\u1ec7n t\u1eed<\/strong> (v\u00ed d\u1ee5: b\u1ed9 \u0111i\u1ec1u khi\u1ec3n laser, b\u1ed9 khu\u1ebfch \u0111\u1ea1i) ph\u00e1t ra b\u1ee9c x\u1ea1 \u0111i\u1ec7n t\u1eeb. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 l\u00fd do v\u00ec sao EMC quan tr\u1ecdng trong b\u1ed1i c\u1ea3nh n\u00e0y:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>\u0110\u1ed9 to\u00e0n v\u1eb9n t\u00edn hi\u1ec7u<\/strong>: EMI c\u00f3 th\u1ec3 l\u00e0m suy gi\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng d\u1eef li\u1ec7u ho\u1eb7c g\u00e2y gi\u00e1n \u0111o\u1ea1n t\u00edn hi\u1ec7u quang.<\/p><\/li><li><p><strong>Tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh<\/strong>: \u0110\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n EMC \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn th\u1ecb tr\u01b0\u1eddng.<\/p><\/li><li><p><strong>T\u01b0\u01a1ng th\u00edch h\u1ec7 th\u1ed1ng<\/strong>: EMC gi\u1ea3m nhi\u1ec5u ch\u00e9o gi\u1eefa c\u00e1c th\u00e0nh ph\u1ea7n t\u1ed1c \u0111\u1ed9 cao.<\/p><\/li><li><p><strong>\u0110\u1ed9 tin c\u1eady s\u1ea3n ph\u1ea9m<\/strong>: EMC t\u1ed1t h\u01a1n ngh\u0129a l\u00e0 \u00edt s\u1ef1 c\u1ed1 h\u01a1n v\u00e0 th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng d\u00e0i h\u01a1n.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udd27 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/\"><strong>LINK-PP<\/strong><\/a> cung c\u1ea5p <strong>module quang v\u00e0 \u0111\u1ea7u n\u1ed1i RJ45 ch\u1ea5t l\u01b0\u1ee3ng cao<\/strong> v\u1edbi <strong>l\u1edbp ch\u1eafn EMC<\/strong> gi\u1ea3i ph\u00e1p.<\/p>\n\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n\n<h2 class=\"wp-block-heading\" >EMC \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n v\u00e0 ki\u1ec3m tra nh\u01b0 th\u1ebf n\u00e0o?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ki\u1ec3m tra EMC<\/strong> bao g\u1ed3m vi\u1ec7c \u0111\u00e1nh gi\u00e1 m\u1ee9c ph\u00e1t x\u1ea1 v\u00e0 kh\u1ea3 n\u0103ng mi\u1ec5n nhi\u1ec5m c\u1ee7a s\u1ea3n ph\u1ea9m trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n m\u00f4 ph\u1ecfng th\u1ef1c t\u1ebf.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >C\u00e1c k\u1ef9 thu\u1eadt ch\u00ednh:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>Ki\u1ec3m tra ph\u00e1t x\u1ea1 b\u1ee9c x\u1ea1<\/strong>: S\u1eed d\u1ee5ng m\u00e1y ph\u00e2n t\u00edch ph\u1ed5 v\u00e0 \u0103ng-ten.<\/p><\/li><li><p><strong>Ki\u1ec3m tra ph\u00e1t x\u1ea1 d\u1eabn<\/strong>: \u0110o nhi\u1ec5u \u0111i\u1ec7n t\u1eeb (EMI) d\u1eabn theo \u0111\u01b0\u1eddng d\u00e2y c\u1ea5p \u0111i\u1ec7n ho\u1eb7c t\u00edn hi\u1ec7u.<\/p><\/li><li><p><strong>Ph\u00f2ng kh\u00f4ng ph\u1ea3n x\u1ea1 (Anechoic Chambers)<\/strong>: C\u00e1c ph\u00f2ng \u0111\u01b0\u1ee3c b\u1ecdc ch\u1eafn \u0111\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u00e1nh gi\u00e1 EMC \u0111\u1ed9 ch\u00ednh x\u00e1c cao.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udca1 Ki\u1ec3m tra gi\u00fap nh\u00e0 s\u1ea3n xu\u1ea5t ph\u00e1t hi\u1ec7n s\u1edbm c\u00e1c v\u1ea5n \u0111\u1ec1 tr\u01b0\u1edbc khi s\u1ea3n ph\u1ea9m ra th\u1ecb tr\u01b0\u1eddng, \u0111\u1ea3m b\u1ea3o qu\u00e1 tr\u00ecnh ch\u1ee9ng nh\u1eadn thu\u1eadn l\u1ee3i h\u01a1n v\u00e0 hi\u1ec7u n\u0103ng t\u1ed1t h\u01a1n.<\/p>\n\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n\n<h2 class=\"wp-block-heading\" >L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 EMC?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng c\u00e1ch th\u1ef1c ti\u1ec5n nh\u1eb1m gi\u1ea3m thi\u1ec3u ho\u1eb7c ng\u0103n ng\u1eeba c\u00e1c v\u1ea5n \u0111\u1ec1 EMC:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ud83d\udee1 <strong>Ch\u1eafn nhi\u1ec5u<\/strong>: S\u1eed d\u1ee5ng v\u1ecf b\u1ecdc kim lo\u1ea1i ho\u1eb7c c\u00e1c ng\u00f3n l\u00f2 xo ch\u1ed1ng EMI (nh\u01b0 b\u1ed9 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-21644-fiber-optic-cages-connectors.htm\">v\u1ecf b\u1ecdc module quang &amp; \u0111\u1ea7u n\u1ed1i c\u1ee7a LINK-PP<\/a> ).<\/p><\/li><li><p>\u26a1 <strong>Ti\u1ebfp \u0111\u1ea5t \u0111\u00fang c\u00e1ch<\/strong>: Ng\u0103n ch\u1eb7n s\u1ef1 t\u00edch t\u1ee5 c\u00e1c t\u00edn hi\u1ec7u l\u1ea1c.<\/p><\/li><li><p>\ud83d\udd04 <strong>T\u1ee5 l\u1ecdc (Decoupling Capacitors)<\/strong>: L\u1ecdc nhi\u1ec5u t\u1ea7n s\u1ed1 cao tr\u00ean \u0111\u01b0\u1eddng c\u1ea5p \u0111i\u1ec7n.<\/p><\/li><li><p>\ud83e\uddf7 <strong>Th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t trong thi\u1ebft k\u1ebf PCB<\/strong>: T\u0103ng kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c \u0111\u01b0\u1eddng m\u1ea1ch, t\u00e1ch ri\u00eang c\u00e1c m\u1ea1ch nh\u1ea1y c\u1ea3m.<\/p><\/li><li><p>\ud83d\udd0c <strong>Tr\u00e1nh hi\u1ec7u \u1ee9ng \u0103ng-ten<\/strong>: C\u1eaft ng\u1eafn v\u00e0 che ch\u1eafn c\u00e1p m\u1ed9t c\u00e1ch ph\u00f9 h\u1ee3p.<\/p><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n\n<h2 class=\"wp-block-heading\" >K\u1ebft lu\u1eadn<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch \u0111i\u1ec7n t\u1eeb (EMC)<\/strong> l\u00e0 y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu \u0111\u1ec3 v\u1eadn h\u00e0nh an to\u00e0n, \u0111\u00e1ng tin c\u1eady v\u00e0 tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh \u0111\u1ed1i v\u1edbi c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed hi\u1ec7n \u0111\u1ea1i \u2014 t\u1eeb c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u t\u1ed1c \u0111\u1ed9 cao \u0111\u1ebfn c\u00e1c module quang nh\u1ecf g\u1ecdn.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u00f9 b\u1ea1n l\u00e0 nh\u00e0 t\u00edch h\u1ee3p h\u1ec7 th\u1ed1ng, nh\u00e0 thi\u1ebft k\u1ebf s\u1ea3n ph\u1ea9m hay k\u1ef9 s\u01b0, vi\u1ec7c hi\u1ec3u r\u00f5 v\u00e0 tri\u1ec3n khai \u0111\u00fang c\u00e1c chi\u1ebfn l\u01b0\u1ee3c EMC l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 \u0111\u1ea1t hi\u1ec7u n\u0103ng v\u00e0 tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2705 <strong>LINK-PP<\/strong> cung c\u1ea5p hi\u1ec7u n\u0103ng cao<a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-17492-integrated-rj45-connector.htm\"> <strong>B\u1ed9 n\u1ed1i RJ45<\/strong><\/a> and <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-21644-fiber-optic-cages-connectors.htm\"><strong>v\u1ecf b\u1ecdc module quang<\/strong><\/a><strong> c\u00f3 l\u1edbp ch\u1eafn EMI<\/strong> \u0111\u1ec3 gi\u00fap h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n lu\u00f4n tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh v\u00e0 kh\u00f4ng b\u1ecb nhi\u1ec5u.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 Truy c\u1eadp <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/\">l-p.com<\/a> \u0111\u1ec3 bi\u1ebft th\u00eam c\u00e1c gi\u1ea3i ph\u00e1p m\u1ea1ng \u0111\u00e1p \u1ee9ng ti\u00eau chu\u1ea9n EMC!<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >FAQ<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa EMI v\u00e0 EMC l\u00e0 g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-electromagnetic-interference\/\">Nhi\u1ec5u \u0111i\u1ec7n t\u1eeb <strong>(EMI)<\/strong><\/a> \u0111\u1ec1 c\u1eadp \u0111\u1ebfn v\u1ea5n \u0111\u1ec1 v\u1ec1 n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n t\u1eeb kh\u00f4ng mong mu\u1ed1n. Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch \u0111i\u1ec7n t\u1eeb <strong>(EMC)<\/strong> \u0111\u1ea3m b\u1ea3o c\u00e1c thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 x\u1eed l\u00fd EMI m\u00e0 kh\u00f4ng g\u00e2y ra hay ch\u1ecbu \u1ea3nh h\u01b0\u1edfng t\u1eeb c\u00e1c gi\u00e1n \u0111o\u1ea1n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ki\u1ec3m tra t\u00ednh tu\u00e2n th\u1ee7 EMC?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea1n c\u00f3 th\u1ec3 ki\u1ec3m tra t\u00ednh tu\u00e2n th\u1ee7 EMC b\u1eb1ng c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 m\u00e1y ph\u00e2n t\u00edch ph\u1ed5, m\u00e1y thu EMI v\u00e0 ph\u00f2ng kh\u00f4ng ph\u1ea3n x\u1ea1. C\u00e1c c\u00f4ng c\u1ee5 n\u00e0y \u0111o m\u1ee9c ph\u00e1t x\u1ea1 v\u00e0 kh\u1ea3 n\u0103ng mi\u1ec5n nhi\u1ec5m trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n ki\u1ec3m so\u00e1t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >T\u1ea1i sao vi\u1ec7c ch\u1eafn nhi\u1ec5u l\u1ea1i quan tr\u1ecdng \u0111\u1ed1i v\u1edbi EMC?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u1eafn nhi\u1ec5u ng\u0103n ch\u1eb7n c\u00e1c tr\u01b0\u1eddng \u0111i\u1ec7n t\u1eeb, l\u00e0m gi\u1ea3m nhi\u1ec5u. N\u00f3 s\u1eed d\u1ee5ng c\u00e1c v\u1eadt li\u1ec7u d\u1eabn \u0111i\u1ec7n \u0111\u1ec3 ch\u1ee9a c\u00e1c ph\u00e1t x\u1ea1 v\u00e0 b\u1ea3o v\u1ec7 thi\u1ebft b\u1ecb kh\u1ecfi b\u1ee9c x\u1ea1 \u0111i\u1ec7n t\u1eeb b\u00ean ngo\u00e0i.<\/p>","protected":false},"excerpt":{"rendered":"<p>EMC (T\u01b0\u01a1ng th\u00edch \u0111i\u1ec7n t\u1eeb) \u0111\u1ea3m b\u1ea3o c\u00e1c thi\u1ebft b\u1ecb ho\u1ea1t \u0111\u1ed9ng an to\u00e0n v\u00e0 \u0111\u00e1ng tin c\u1eady trong m\u00f4i tr\u01b0\u1eddng chung b\u1eb1ng c\u00e1ch gi\u1ea3m thi\u1ec3u nhi\u1ec5u v\u00e0 \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n tu\u00e2n th\u1ee7.<\/p>","protected":false},"author":1,"featured_media":4192,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[27],"tags":[22,26],"class_list":["post-4193","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-glossary","tag-integrated-rj45-connectors","tag-optics-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/4193","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/comments?post=4193"}],"version-history":[{"count":5,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/4193\/revisions"}],"predecessor-version":[{"id":11470,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/4193\/revisions\/11470"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media\/4192"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media?parent=4193"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/categories?post=4193"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/tags?post=4193"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}