{"id":4334,"date":"2025-09-16T11:12:00","date_gmt":"2025-09-16T11:12:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/glossary\/ask-modulation-digital-communication-basics-advantages\/"},"modified":"2026-06-22T07:11:47","modified_gmt":"2026-06-22T07:11:47","slug":"ask-modulation-digital-communication-basics-advantages","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/ask-modulation-digital-communication-basics-advantages","title":{"rendered":"Hi\u1ec3u v\u1ec1 \u0111i\u1ec1u ch\u1ebf ASK trong truy\u1ec1n th\u00f4ng k\u1ef9 thu\u1eadt s\u1ed1"},"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\/2182f450ba4843d79d31674140571597.webp\" alt=\"Understanding ASK Modulation in Digital Communication\" class=\"wp-image-4332\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2182f450ba4843d79d31674140571597.webp 1312w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2182f450ba4843d79d31674140571597-300x168.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2182f450ba4843d79d31674140571597-1024x574.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2182f450ba4843d79d31674140571597-768x431.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2182f450ba4843d79d31674140571597-18x10.webp 18w\" sizes=\"(max-width: 1312px) 100vw, 1312px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Trong th\u1ebf gi\u1edbi v\u00f4 h\u00ecnh r\u1ed9ng l\u1edbn c\u1ee7a truy\u1ec1n th\u00f4ng kh\u00f4ng d\u00e2y v\u00e0 quang h\u1ecdc, d\u1eef li\u1ec7u kh\u00f4ng \u0111\u01a1n thu\u1ea7n \u201cbay\u201d k\u1ef3 di\u1ec7u qua kh\u00f4ng kh\u00ed hay \u201cl\u01b0\u1edbt\u201d qua c\u00e1p s\u1ee3i quang. Thay v\u00e0o \u0111\u00f3, n\u00f3 \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a c\u1ea9n th\u1eadn l\u00ean c\u00e1c s\u00f3ng mang b\u1eb1ng c\u00e1c k\u1ef9 thu\u1eadt g\u1ecdi l\u00e0 <strong>\u0111i\u1ec1u ch\u1ebf<\/strong>. Trong s\u1ed1 nh\u1eefng k\u1ef9 thu\u1eadt n\u1ec1n t\u1ea3ng v\u00e0 \u0111\u01a1n gi\u1ea3n nh\u1ea5t l\u00e0 <strong>\u0110i\u1ec1u ch\u1ebf d\u1ecbch chuy\u1ec3n bi\u00ean \u0111\u1ed9 (ASK)<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u00f9 c\u00e1c s\u01a1 \u0111\u1ed3 hi\u1ec7n \u0111\u1ea1i v\u00e0 ph\u1ee9c t\u1ea1p h\u01a1n \u0111\u00e3 xu\u1ea5t hi\u1ec7n, ASK v\u1eabn l\u00e0 kh\u00e1i ni\u1ec7m thi\u1ebft y\u1ebfu \u0111\u1ed1i v\u1edbi k\u1ef9 s\u01b0 v\u00e0 l\u00e0 gi\u1ea3i ph\u00e1p th\u1ef1c ti\u1ec5n trong nhi\u1ec1u \u1ee9ng d\u1ee5ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong truy\u1ec1n th\u00f4ng quang chi ph\u00ed th\u1ea5p <strong>quang h\u1ecdc<\/strong> Vi\u1ec7c hi\u1ec3u r\u00f5 ASK l\u00e0 b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean c\u1ee7a b\u1ea1n v\u00e0o l\u0129nh v\u1ef1c h\u1ea5p d\u1eabn v\u1ec1 truy\u1ec1n d\u1eabn d\u1eef li\u1ec7u. H\u00e3y c\u00f9ng ph\u00e2n t\u00edch chi ti\u1ebft!<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27bd \u0110i\u1ec1u ch\u1ebf ASK ch\u00ednh x\u00e1c l\u00e0 g\u00ec?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0110i\u1ec1u ch\u1ebf d\u1ecbch chuy\u1ec3n bi\u00ean \u0111\u1ed9 (ASK)<\/strong> l\u00e0 m\u1ed9t d\u1ea1ng <strong>\u0111i\u1ec1u ch\u1ebf k\u1ef9 thu\u1eadt s\u1ed1<\/strong> trong \u0111\u00f3 bi\u00ean \u0111\u1ed9 c\u1ee7a s\u00f3ng mang t\u1ea7n s\u1ed1 cao \u0111\u01b0\u1ee3c thay \u0111\u1ed5i theo t\u00edn hi\u1ec7u k\u1ef9 thu\u1eadt s\u1ed1 (c\u00e1c bit 0 v\u00e0 1) \u0111ang \u0111\u01b0\u1ee3c truy\u1ec1n \u0111i. M\u1ed9t gi\u00e1 tr\u1ecb bi\u00ean \u0111\u1ed9 bi\u1ec3u th\u1ecb bit nh\u1ecb ph\u00e2n \u20181\u2019, c\u00f2n gi\u00e1 tr\u1ecb kh\u00e1c (th\u01b0\u1eddng l\u00e0 b\u1eb1ng kh\u00f4ng) bi\u1ec3u th\u1ecb bit nh\u1ecb ph\u00e2n \u20180\u2019.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng nh\u01b0 m\u1ed9t c\u00f4ng t\u1eafc \u0111\u00e8n \u0111\u01a1n gi\u1ea3n:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>Bit nh\u1ecb ph\u00e2n \u20181\u2019 (B\u1eacT):<\/strong> S\u00f3ng mang \u0111\u01b0\u1ee3c ph\u00e1t \u0111i v\u1edbi bi\u00ean \u0111\u1ed9 kh\u00f4ng \u0111\u1ed5i.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Bit nh\u1ecb ph\u00e2n \u20180\u2019 (T\u1eaeT):<\/strong> S\u00f3ng mang b\u1ecb tri\u1ec7t ti\u00eau, kh\u00f4ng c\u00f3 t\u00edn hi\u1ec7u n\u00e0o \u0111\u01b0\u1ee3c ph\u00e1t \u0111i.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u00ednh \u0111\u1eb7c t\u00ednh \u201cb\u1eadt-t\u1eaft\u201d n\u00e0y khi\u1ebfn k\u1ef9 thu\u1eadt n\u00e0y c\u00f2n n\u1ed5i ti\u1ebfng v\u1edbi t\u00ean g\u1ecdi <strong>\u0110i\u1ec1u ch\u1ebf b\u1eadt-t\u1eaft (OOK)<\/strong>, \u2014 tri\u1ec3n khai \u0111\u01a1n gi\u1ea3n nh\u1ea5t c\u1ee7a ASK.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27bd ASK ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o? C\u00e1i nh\u00ecn k\u1ef9 thu\u1eadt<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Qu\u00e1 tr\u00ecnh n\u00e0y c\u1ef1c k\u1ef3 \u0111\u01a1n gi\u1ea3n v\u00e0 tinh t\u1ebf:<\/p>\n\n\n\n<ol class=\"wp-block-list\" >\n<li><p style=\"margin: 0px;\"><strong>M\u1ed9t s\u00f3ng mang<\/strong> \u0111\u01b0\u1ee3c t\u1ea1o ra \u1edf t\u1ea7n s\u1ed1 c\u1ee5 th\u1ec3.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>M\u1ed9t t\u00edn hi\u1ec7u tin nh\u1eafn k\u1ef9 thu\u1eadt s\u1ed1<\/strong> (d\u00f2ng d\u1eef li\u1ec7u g\u1ed3m c\u00e1c bit 0 v\u00e0 1 c\u1ee7a b\u1ea1n) \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb s\u1eb5n.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>M\u1ed9t b\u1ed9 \u0111i\u1ec1u ch\u1ebf (v\u00ed d\u1ee5: b\u1ed9 tr\u1ed9n c\u00e2n b\u1eb1ng)<\/strong> nh\u00e2n hai t\u00edn hi\u1ec7u n\u00e0y v\u1edbi nhau. T\u00edn hi\u1ec7u k\u1ef9 thu\u1eadt s\u1ed1 \u0111\u00f3ng vai tr\u00f2 c\u1ed5ng \u0111i\u1ec1u khi\u1ec3n, b\u1eadt v\u00e0 t\u1eaft s\u00f3ng mang.<\/p><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">D\u1ea1ng s\u00f3ng k\u1ebft qu\u1ea3 l\u00e0 chu\u1ed7i xung c\u1ee7a t\u1ea7n s\u1ed1 s\u00f3ng mang, ph\u1ea3n \u00e1nh ch\u00ednh x\u00e1c d\u00e3y nh\u1ecb ph\u00e2n g\u1ed1c.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1312\" height=\"736\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e88bcc4b848a4a11aed404af08f000e8.webp\" alt=\"Amplitude Shift Keying\" class=\"wp-image-4333\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e88bcc4b848a4a11aed404af08f000e8.webp 1312w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e88bcc4b848a4a11aed404af08f000e8-300x168.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e88bcc4b848a4a11aed404af08f000e8-1024x574.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e88bcc4b848a4a11aed404af08f000e8-768x431.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e88bcc4b848a4a11aed404af08f000e8-18x10.webp 18w\" sizes=\"(max-width: 1312px) 100vw, 1312px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\" ><strong>So s\u00e1nh c\u00e1c k\u1ef9 thu\u1eadt \u0111i\u1ec1u ch\u1ebf k\u1ef9 thu\u1eadt s\u1ed1 ch\u1ee7 ch\u1ed1t<\/strong><\/h4>\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;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>Lo\u1ea1i \u0111i\u1ec1u ch\u1ebf<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>Th\u00f4ng s\u1ed1 thay \u0111\u1ed5i<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\u01afu \u0111i\u1ec3m n\u1ed5i b\u1eadt<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>Nh\u01b0\u1ee3c \u0111i\u1ec3m ch\u00ednh<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>ASK (\u0110i\u1ec1u ch\u1ebf d\u1ecbch chuy\u1ec3n bi\u00ean \u0111\u1ed9)<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><strong>Bi\u00ean \u0111\u1ed9<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><strong>\u0110\u01a1n gi\u1ea3n, chi ph\u00ed th\u1ea5p<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Nh\u1ea1y v\u1edbi nhi\u1ec5u<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><strong>Truy\u1ec1n th\u00f4ng s\u1ee3i quang<\/strong>, RFID, b\u1ed9 ph\u00e1t gi\u00e1 r\u1ebb<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/fsk-modulation-what-it-is-how-fsk-works-digital-communication\/\"><strong>FSK (\u0110i\u1ec1u ch\u1ebf d\u1ecbch chuy\u1ec3n t\u1ea7n s\u1ed1)<\/strong><\/a><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u1ea7n s\u1ed1<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Kh\u1ea3 n\u0103ng ch\u1ed1ng nhi\u1ec5u cao<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Y\u00eau c\u1ea7u b\u0103ng th\u00f4ng l\u1edbn h\u01a1n<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Bluetooth, MRFI, b\u00e0n ph\u00edm kh\u00f4ng d\u00e2y<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/search\/?keyword=psk\"><strong>PSK (\u0110i\u1ec1u ch\u1ebf d\u1ecbch pha)<\/strong><\/a><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Pha<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u cao, hi\u1ec7u qu\u1ea3<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>B\u1ed9 thu ph\u1ee9c t\u1ea1p h\u01a1n<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Wi-Fi, RFID, truy\u1ec1n th\u00f4ng v\u1ec7 tinh<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27bd \u0110i\u1ec1u ch\u1ebf ASK \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf \u0111\u00e2u?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1eb7c d\u00f9 \u0111\u01a1n gi\u1ea3n, \u0111i\u1ec1u ch\u1ebf ASK hi\u1ec7n di\u1ec7n kh\u1eafp n\u01a1i:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>H\u1ec7 th\u1ed1ng truy\u1ec1n th\u00f4ng quang:<\/strong> \u0110\u00e2y l\u00e0 \u1ee9ng d\u1ee5ng ti\u00eau bi\u1ec3u! C\u00e1c \u0111\u00e8n LED ho\u1eb7c laser trong nhi\u1ec1u thi\u1ebft b\u1ecb <strong>b\u1ed9 thu ph\u00e1t quang<\/strong> d\u1ec5 d\u00e0ng b\u1eadt\/t\u1eaft, khi\u1ebfn <strong>ASK\/OOK tr\u1edf th\u00e0nh s\u01a1 \u0111\u1ed3 \u0111i\u1ec1u ch\u1ebf c\u1ef1c k\u1ef3 hi\u1ec7u qu\u1ea3 cho c\u00e1p quang<\/strong>. \u0110\u00e2y l\u00e0 n\u1ec1n t\u1ea3ng cho c\u00e1c li\u00ean k\u1ebft d\u1eef li\u1ec7u c\u1ef1 ly ng\u1eafn.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Th\u1ebb RFID:<\/strong> Nhi\u1ec1u th\u1ebb RFID th\u1ee5 \u0111\u1ed9ng s\u1eed d\u1ee5ng \u0111i\u1ec1u ch\u1ebf ph\u1ea3n x\u1ea1 ng\u01b0\u1ee3c \u2014 m\u1ed9t d\u1ea1ng c\u1ee7a ASK \u2014 \u0111\u1ec3 giao ti\u1ebfp nh\u1edd m\u1ee9c ti\u00eau th\u1ee5 c\u00f4ng su\u1ea5t c\u1ef1c th\u1ea5p.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>T\u1ef1 \u0111\u1ed9ng h\u00f3a gia \u0111\u00ecnh:<\/strong> \u0110i\u1ec1u khi\u1ec3n t\u1eeb xa cho c\u1eeda ga-ra, ch\u00eca kh\u00f3a xe \u00f4 t\u00f4 v\u00e0 c\u00e1c thi\u1ebft b\u1ecb kh\u00f4ng d\u00e2y \u0111\u1eddi c\u0169 th\u01b0\u1eddng d\u00f9ng ASK do t\u00ednh \u0111\u01a1n gi\u1ea3n v\u00e0 hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Radio nghi\u1ec7p d\u01b0:<\/strong> \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng cho truy\u1ec1n d\u1eabn d\u1eef li\u1ec7u b\u0103ng th\u00f4ng th\u1ea5p nh\u01b0 m\u00e3 Morse tr\u00ean s\u00f3ng v\u00f4 tuy\u1ebfn.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27bd \u01afu v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m khi l\u1ef1a ch\u1ecdn ASK<\/strong><\/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>Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>Chi ph\u00ed ban \u0111\u1ea7u th\u1ea5p, h\u1ed7 tr\u1ee3 PoE, h\u1ed7 tr\u1ee3 thay th\u1ebf n\u00f3ng, d\u1ec5 l\u1eafp \u0111\u1eb7t<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\u2705 <strong>D\u1ec5 thi\u1ebft k\u1ebf v\u00e0 tri\u1ec3n khai<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u274c <strong>R\u1ea5t d\u1ec5 b\u1ecb nhi\u1ec5u v\u00e0 can nhi\u1ec5u<\/strong><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\u2705 <strong>Chi ph\u00ed r\u1ea5t th\u1ea5p<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u274c <strong>S\u1eed d\u1ee5ng b\u0103ng th\u00f4ng k\u00e9m hi\u1ec7u qu\u1ea3<\/strong><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\u2705 <strong>Ti\u00eau th\u1ee5 c\u00f4ng su\u1ea5t th\u1ea5p (\u0111\u1eb7c bi\u1ec7t l\u00e0 OOK)<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u274c <strong>Kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u cao<\/strong><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\u2705 <strong>L\u00fd t\u01b0\u1edfng cho c\u00e1c h\u1ec7 th\u1ed1ng B\u1eacT-T\u1eaeT nh\u01b0 c\u00e1p quang<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p\/><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27bd T\u1ed1i \u01b0u h\u00f3a m\u1ea1ng quang hi\u1ec7n \u0111\u1ea1i b\u1eb1ng LINK-PP<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1eb7c d\u00f9 ASK c\u01a1 b\u1ea3n r\u1ea5t \u0111\u01a1n gi\u1ea3n, c\u00e1c m\u1ea1ng quang hi\u1ec7n \u0111\u1ea1i <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>b\u1ed9 thu ph\u00e1t quang<\/strong><\/a> ph\u1ea3i \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n, \u0111\u1ed9 tin c\u1eady v\u00e0 hi\u1ec7u qu\u1ea3. \u0110\u00e2y l\u00e0 l\u00fac vi\u1ec7c tri\u1ec3n khai s\u01a1 \u0111\u1ed3 \u0111i\u1ec1u ch\u1ebf tr\u1edf n\u00ean then ch\u1ed1t. \u0110\u1ec3 \u0111\u1ea1t hi\u1ec7u n\u0103ng v\u01b0\u1ee3t tr\u1ed9i trong m\u1ea1ng quang c\u1ee7a b\u1ea1n, vi\u1ec7c l\u1ef1a ch\u1ecdn ph\u1ea7n c\u1ee9ng ph\u00f9 h\u1ee3p l\u00e0 y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/page\/aboutus.htm\"><strong>LINK-PP<\/strong><\/a> K\u1ef9 thu\u1eadt c\u1ee7a ch\u00fang t\u00f4i xu\u1ea5t s\u1eafc trong vi\u1ec7c t\u00edch h\u1ee3p c\u00e1c k\u1ef9 thu\u1eadt c\u01a1 b\u1ea3n nh\u01b0 ASK v\u00e0o c\u00e1c s\u1ea3n ph\u1ea9m hi\u1ec7u n\u0103ng cao v\u00e0 \u0111\u00e1ng tin c\u1eady. V\u00ed d\u1ee5, b\u1ed9 thu ph\u00e1t quang <strong>LINK-PP <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/475415.htm\"><strong>SFP-10G-SR<br><\/strong><\/a> c\u1ee7a ch\u00fang t\u00f4i s\u1eed d\u1ee5ng k\u1ef9 thu\u1eadt \u0111i\u1ec1u ch\u1ebf ti\u00ean ti\u1ebfn nh\u1eb1m cung c\u1ea5p kh\u1ea3 n\u0103ng truy\u1ec1n d\u1eef li\u1ec7u \u1ed5n \u0111\u1ecbnh, \u0111\u1ed9 tr\u1ec5 th\u1ea5p v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng \u1edf t\u1ed1c \u0111\u1ed9 10Gbps qua <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/om1-om2-om3-om4-om5-multimode-fiber-guide\/\"><strong>c\u00e1p quang \u0111a mode<\/strong><\/a>, ho\u00e0n h\u1ea3o cho c\u00e1c \u1ee9ng d\u1ee5ng trung t\u00e2m d\u1eef li\u1ec7u v\u00e0 m\u1ea1ng doanh nghi\u1ec7p.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Khi b\u1ea1n \u0111ang t\u00ecm ki\u1ebfm m\u1ed9t <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-27045-100g-qsfp28-sfp-dd.htm\"><strong>b\u1ed9 thu ph\u00e1t quang t\u1ed1c \u0111\u1ed9 cao<\/strong><\/a> mang l\u1ea1i s\u1ef1 c\u00e2n b\u1eb1ng ho\u00e0n h\u1ea3o gi\u1eefa hi\u1ec7u n\u0103ng v\u00e0 gi\u00e1 tr\u1ecb, h\u00e3y t\u00ecm <strong>c\u00e1c module quang t\u1ed1t nh\u1ea5t cho trung t\u00e2m d\u1eef li\u1ec7u<\/strong> ho\u1eb7c m\u1ed9t <strong>b\u1ed9 thu ph\u00e1t SFP+ \u0111\u00e1ng tin c\u1eady<\/strong>, LINK-PP LPJ4014CNL Industrial RJ45 Magjack <strong>LINK-PP<\/strong> \u2014 danh m\u1ee5c s\u1ea3n ph\u1ea9m c\u1ee7a ch\u00fang t\u00f4i ch\u00ednh l\u00e0 gi\u1ea3i ph\u00e1p.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27bd K\u1ebft lu\u1eadn: Di s\u1ea3n l\u00e2u d\u00e0i c\u1ee7a \u0111i\u1ec1u ch\u1ebf ASK<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0110i\u1ec1u ch\u1ebf ASK<\/strong> c\u00f3 th\u1ec3 kh\u00f4ng ph\u1ea3i l\u00e0 k\u1ef9 thu\u1eadt n\u1ed5i b\u1eadt nh\u1ea5t ho\u1eb7c ti\u00ean ti\u1ebfn nh\u1ea5t hi\u1ec7n nay, nh\u01b0ng s\u1ef1 \u0111\u01a1n gi\u1ea3n v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a n\u00f3 \u0111\u1ea3m b\u1ea3o t\u00ednh li\u00ean quan l\u00e2u d\u00e0i. K\u1ef9 thu\u1eadt n\u00e0y \u0111\u00f3ng vai tr\u00f2 l\u00e0 n\u1ec1n t\u1ea3ng \u0111\u1ec3 hi\u1ec3u c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u ch\u1ebf ph\u1ee9c t\u1ea1p h\u01a1n v\u00e0 v\u1eabn l\u00e0 l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u cho nhi\u1ec1u <strong>\u1ee9ng d\u1ee5ng truy\u1ec1n th\u00f4ng quang chi ph\u00ed th\u1ea5p<\/strong> v\u00e0 kh\u00f4ng d\u00e2y t\u1ea7m ng\u1eafn. Vai tr\u00f2 c\u1ee7a n\u00f3 trong vi\u1ec7c h\u1ed7 tr\u1ee3 vi\u1ec7c <strong>truy\u1ec1n d\u1eef li\u1ec7u quang s\u1ee3i<\/strong> \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>S\u1eb5n s\u00e0ng x\u00e2y d\u1ef1ng m\u1ed9t m\u1ea1ng hi\u1ec7u qu\u1ea3 v\u00e0 \u0111\u00e1ng tin c\u1eady v\u1edbi c\u00e1c b\u1ed9 thu ph\u00e1t quang ch\u1ea5t l\u01b0\u1ee3ng cao?<\/strong><\/p>\n\n\n\n<div><div widgetid=\"3ef779ac451211f099380a58fbc66727\" format=\"embedded\" data-widget-id=\"3ef779ac451211f099380a58fbc66727\" data-mode=\"production.zh\" style=\"display: block;\"><\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27bd C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >ASK vi\u1ebft t\u1eaft c\u1ee7a g\u00ec trong truy\u1ec1n th\u00f4ng k\u1ef9 thu\u1eadt s\u1ed1?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">ASK l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a \u0110i\u1ec1u ch\u1ebf d\u1ecbch chuy\u1ec3n bi\u00ean \u0111\u1ed9. N\u00f3 truy\u1ec1n d\u1eef li\u1ec7u k\u1ef9 thu\u1eadt s\u1ed1 b\u1eb1ng c\u00e1ch thay \u0111\u1ed5i bi\u00ean \u0111\u1ed9 s\u00f3ng mang.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u0110i\u1ec1u g\u00ec l\u00e0m cho \u0111i\u1ec1u ch\u1ebf ASK kh\u00e1c bi\u1ec7t so v\u1edbi c\u00e1c lo\u1ea1i kh\u00e1c?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">ASK ch\u1ec9 thay \u0111\u1ed5i bi\u00ean \u0111\u1ed9. C\u00e1c lo\u1ea1i kh\u00e1c, nh\u01b0 FSK, thay \u0111\u1ed5i t\u1ea7n s\u1ed1. \u0110i\u1ec1u n\u00e0y khi\u1ebfn ASK tr\u1edf n\u00ean \u0111\u01a1n gi\u1ea3n v\u00e0 d\u1ec5 s\u1eed d\u1ee5ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Nh\u1eefng thi\u1ebft b\u1ecb n\u00e0o s\u1eed d\u1ee5ng \u0111i\u1ec1u ch\u1ebf ASK?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec1u khi\u1ec3n t\u1eeb xa, th\u1ebb RFID v\u00e0 m\u1ed9t s\u1ed1 h\u1ec7 th\u1ed1ng s\u1ee3i quang s\u1eed d\u1ee5ng ASK. Nh\u1eefng thi\u1ebft b\u1ecb n\u00e0y s\u1eed d\u1ee5ng ASK v\u00ec n\u00f3 r\u1ebb v\u00e0 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0o b\u1ea1n c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i khi s\u1eed d\u1ee5ng \u0111i\u1ec1u ch\u1ebf ASK?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Nhi\u1ec5u c\u00f3 th\u1ec3 g\u00e2y ra l\u1ed7i v\u1edbi \u0111i\u1ec1u ch\u1ebf ASK. T\u00edn hi\u1ec7u c\u00f3 th\u1ec3 tr\u1edf n\u00ean y\u1ebfu n\u1ebfu truy\u1ec1n \u0111i xa. \u0110i\u1ec1u n\u00e0y gi\u1edbi h\u1ea1n n\u01a1i b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ASK.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >L\u1ee3i \u00edch ch\u00ednh c\u1ee7a vi\u1ec7c h\u1ecdc v\u1ec1 \u0111i\u1ec1u ch\u1ebf ASK l\u00e0 g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c h\u1ecdc ASK mang l\u1ea1i cho b\u1ea1n m\u1ed9t kh\u1edfi \u0111\u1ea7u t\u1ed1t trong l\u0129nh v\u1ef1c th\u00f4ng tin s\u1ed1. N\u00f3 gi\u00fap b\u1ea1n hi\u1ec3u c\u00e1ch c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u01a1n gi\u1ea3n g\u1eedi v\u00e0 nh\u1eadn d\u1eef li\u1ec7u.<\/p>\n\n\n\n<script src=\"https:\/\/cdn.mylandingpages.co\/widgets\/platform\/platform.widget.js\" async=\"true\"><\/script>","protected":false},"excerpt":{"rendered":"<p>ASK Modulation transmits digital data by varying a carrier wave&#8217;s amplitude, offering a simple, cost-effective solution for basic digital communication systems.<\/p>","protected":false},"author":1,"featured_media":4332,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[27],"tags":[26],"class_list":["post-4334","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-glossary","tag-optics-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/4334","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=4334"}],"version-history":[{"count":5,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/4334\/revisions"}],"predecessor-version":[{"id":11125,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/4334\/revisions\/11125"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media\/4332"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media?parent=4334"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/categories?post=4334"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/tags?post=4334"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}