{"id":1378,"date":"2025-10-10T01:30:50","date_gmt":"2025-10-10T01:30:50","guid":{"rendered":"https:\/\/www.wallisemi.com\/?p=1378"},"modified":"2025-10-13T01:33:10","modified_gmt":"2025-10-13T01:33:10","slug":"nghien-cuu-giai-phap-truyen-thong-khong-day-tam-ngan-dua-tren-chip-rf-adf7021","status":"publish","type":"post","link":"https:\/\/www.wallisemi.com\/vi\/blog\/industry-insights\/exploring-a-short-range-wireless-communication-solution-based-on-rfchip-adf7021\/","title":{"rendered":"Nghi\u00ean c\u1ee9u gi\u1ea3i ph\u00e1p truy\u1ec1n th\u00f4ng kh\u00f4ng d\u00e2y t\u1ea7m ng\u1eafn d\u1ef1a tr\u00ean chip RF ADF7021"},"content":{"rendered":"

V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n nhanh ch\u00f3ng c\u1ee7a c\u00e1c c\u00f4ng ngh\u1ec7 truy\u1ec1n th\u00f4ng kh\u00f4ng d\u00e2y, truy\u1ec1n th\u00f4ng kh\u00f4ng d\u00e2y t\u1ea7m ng\u1eafn<\/strong> ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c l\u0129nh v\u1ef1c nh\u01b0 nh\u00e0 th\u00f4ng minh, \u0111i\u1ec1u khi\u1ec3n c\u00f4ng nghi\u1ec7p v\u00e0 n\u00f4ng nghi\u1ec7p th\u00f4ng minh. B\u00e0i b\u00e1o n\u00e0y t\u1eadp trung v\u00e0o M\u1ea1ch t\u00edch h\u1ee3p t\u1ea7n s\u1ed1 v\u00f4 tuy\u1ebfn ADF7021<\/strong>, \u0111\u1ec1 xu\u1ea5t m\u1ed9t gi\u1ea3i ph\u00e1p truy\u1ec1n th\u00f4ng kh\u00f4ng d\u00e2y t\u1ea7m ng\u1eafn ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng v\u00e0 hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed, \u0111\u1ed3ng th\u1eddi \u0111\u01b0a ra c\u00e1c \u00fd t\u01b0\u1edfng thi\u1ebft k\u1ebf ph\u1ea7n c\u1ee9ng v\u00e0 t\u00edch h\u1ee3p h\u1ec7 th\u1ed1ng kh\u1ea3 thi cho c\u00e1c \u1ee9ng d\u1ee5ng li\u00ean quan.<\/p>\n\n\n\n

C\u00e1c c\u00f4ng ngh\u1ec7 truy\u1ec1n th\u00f4ng kh\u00f4ng d\u00e2y t\u1ea7m ng\u1eafn<\/strong><\/strong><\/h5>\n\n\n\n

Trong s\u1ed1 c\u00e1c c\u00f4ng ngh\u1ec7 truy\u1ec1n th\u00f4ng kh\u00f4ng d\u00e2y t\u1ea7m ng\u1eafn, b\u00e0i b\u00e1o n\u00e0y l\u1ef1a ch\u1ecdn m\u1ed9t gi\u1ea3i ph\u00e1p truy\u1ec1n th\u00f4ng kh\u00f4ng d\u00e2y ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng d\u1ef1a tr\u00ean chip thu ph\u00e1t RF k\u1ef9 thu\u1eadt s\u1ed1<\/strong>. Gi\u1ea3i ph\u00e1p n\u00e0y s\u1eed d\u1ee5ng m\u1ed9t b\u1ed9 vi \u0111i\u1ec1u khi\u1ec3n \u0111a n\u0103ng k\u1ebft h\u1ee3p v\u1edbi m\u1ed9t b\u1ed9 RFchip<\/strong> l\u00e0m n\u1ec1n t\u1ea3ng c\u1ed1t l\u00f5i, mang l\u1ea1i c\u1ea3 t\u00ednh linh ho\u1ea1t l\u1eabn s\u1ef1 thu\u1eadn ti\u1ec7n trong qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n.<\/p>\n\n\n\n

Khi ch\u1ecdn RFchip<\/strong> \u0111\u1ed1i v\u1edbi gi\u1ea3i ph\u00e1p n\u00e0y, ADF7021<\/strong> n\u1ed5i b\u1eadt nh\u1edd \u0111\u1ed9 nh\u1ea1y cao c\u1ee7a b\u1ed9 thu<\/strong> (-121 dBm), \u0111i\u1ec7n \u00e1p ho\u1ea1t \u0111\u1ed9ng th\u1ea5p<\/strong> (2,1\u20133,8 V), v\u00e0 h\u1ed7 tr\u1ee3 cho \u0110i\u1ec1u ch\u1ebf FSK\/GFSK<\/strong>. Nh\u1eefng t\u00ednh n\u0103ng n\u00e0y \u0111\u00e3 khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh s\u1ef1 l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng trong s\u1ed1 c\u00e1c s\u1ea3n ph\u1ea9m hi\u1ec7n c\u00f3 RFchips<\/strong>, tr\u1edf th\u00e0nh th\u00e0nh ph\u1ea7n c\u1ed1t l\u00f5i trong thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng.<\/p>\n\n\n\n

Thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng s\u1eed d\u1ee5ng chip RF ADF7021<\/strong><\/strong><\/h5>\n\n\n\n

Trong thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng, B\u1ed9 vi \u0111i\u1ec1u khi\u1ec3n ATmega16L<\/strong> ch\u1ecbu tr\u00e1ch nhi\u1ec7m v\u1ec1 vi\u1ec7c ki\u1ec3m so\u00e1t v\u00e0 x\u1eed l\u00fd d\u1eef li\u1ec7u, trong khi ADF7021 - Vi m\u1ea1ch RF<\/strong> \u0111\u1ea3m nhi\u1ec7m vi\u1ec7c \u0111i\u1ec1u ch\u1ebf, truy\u1ec1n v\u00e0 nh\u1eadn t\u00edn hi\u1ec7u. \u0110\u1ec3 m\u1edf r\u1ed9ng ph\u1ea1m vi li\u00ean l\u1ea1c, m\u1ed9t b\u1ed9 khu\u1ebfch \u0111\u1ea1i c\u00f4ng su\u1ea5t<\/strong> \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o t\u1ea1i RFchip<\/strong>\u2018\u0111\u1ea7u ra c\u1ee7a. Ngo\u00e0i ra, \u0111\u1ec3 n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng t\u00edn hi\u1ec7u, m\u1ed9t M\u1ea1ch gh\u00e9p d\u1ef1a tr\u00ean b\u1ed9 l\u1ecdc LC<\/strong> \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 tri\u1ec7t ti\u00eau nhi\u1ec5u m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n\n\n\n

Thi\u1ebft k\u1ebf m\u1ea1ch ngo\u1ea1i vi cho RFchip<\/strong> c\u00f2n bao g\u1ed3m qu\u1ea3n l\u00fd n\u0103ng l\u01b0\u1ee3ng, h\u1ec7 th\u1ed1ng ch\u1ed1ng s\u00e9t<\/strong>, c\u00f9ng c\u00e1c m\u00f4-\u0111un kh\u00e1c nh\u1eb1m \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng kh\u00e1c nhau.<\/p>\n\n\n\n

C\u00e1c y\u1ebfu t\u1ed1 c\u1ea7n l\u01b0u \u00fd trong thi\u1ebft k\u1ebf PCB cho chip RF<\/strong><\/strong><\/h5>\n\n\n\n

\u0110\u1ed1i v\u1edbi C\u1ee7a RFchip<\/strong> v\u1ec1 \u0111\u1eb7c t\u00ednh t\u1ea7n s\u1ed1 cao, b\u00e0i b\u00e1o nh\u1ea5n m\u1ea1nh m\u1ed9t s\u1ed1 nguy\u00ean t\u1eafc ch\u00ednh trong Thi\u1ebft k\u1ebf m\u1ea1ch in<\/strong>, bao g\u1ed3m c\u00e1ch ly b\u1ed1 c\u1ee5c<\/strong>, ng\u1eaft k\u1ebft n\u1ed1i ngu\u1ed3n<\/strong>, v\u00e0 t\u00ednh to\u00e0n v\u1eb9n t\u00edn hi\u1ec7u<\/strong>, nh\u1eb1m gi\u1ea3m nhi\u1ec5u \u0111i\u1ec7n t\u1eeb v\u00e0 n\u00e2ng cao hi\u1ec7u su\u1ea5t t\u1ed5ng th\u1ec3 c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n\n\n\n

Hi\u1ec7u su\u1ea5t v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a h\u1ec7 th\u1ed1ng truy\u1ec1n th\u00f4ng RFchip d\u1ef1a tr\u00ean ADF7021<\/strong><\/strong><\/h5>\n\n\n\n

K\u1ebft qu\u1ea3 th\u00ed nghi\u1ec7m cho th\u1ea5y h\u1ec7 th\u1ed1ng truy\u1ec1n th\u00f4ng d\u1ef1a tr\u00ean ADF7021 - Vi m\u1ea1ch RF<\/strong> ho\u1ea1t \u0111\u1ed9ng r\u1ea5t hi\u1ec7u qu\u1ea3 trong truy\u1ec1n th\u00f4ng b\u0103ng h\u1eb9p<\/strong> c\u00e1c t\u00ecnh hu\u1ed1ng, th\u1ec3 hi\u1ec7n s\u1ef1 t\u1ed1t kh\u1ea3 n\u0103ng ch\u1ed1ng nhi\u1ec5u<\/strong> v\u00e0 m\u1ed9t t\u1ef7 l\u1ec7 l\u1ed7i bit th\u1ea5p<\/strong>. H\u1ec7 th\u1ed1ng n\u00e0y ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u lo\u1ea1i truy\u1ec1n d\u1eabn kh\u00f4ng d\u00e2y t\u1ea7m ng\u1eafn<\/strong> nhu c\u1ea7u. Kh\u1ea3 n\u0103ng t\u00edch h\u1ee3p cao v\u00e0 m\u1ee9c ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng th\u1ea5p c\u1ee7a RFchip<\/strong> c\u0169ng g\u00f3p ph\u1ea7n \u0111\u00e1ng k\u1ec3 v\u00e0o vi\u1ec7c thu nh\u1ecf k\u00edch th\u01b0\u1edbc v\u00e0 k\u00e9o d\u00e0i th\u1eddi l\u01b0\u1ee3ng pin c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i.<\/p>\n\n\n\n

K\u1ebft lu\u1eadn: Kh\u1ea3 n\u0103ng th\u1ef1c hi\u1ec7n v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng trong t\u01b0\u01a1ng lai c\u1ee7a RFchips<\/strong><\/strong><\/h5>\n\n\n\n

T\u00f3m l\u1ea1i, gi\u1ea3i ph\u00e1p truy\u1ec1n th\u00f4ng kh\u00f4ng d\u00e2y t\u1ea7m ng\u1eafn d\u1ef1a tr\u00ean ADF7021 - Vi m\u1ea1ch RF<\/strong> l\u00e0 gi\u1ea3i ph\u00e1p kh\u1ea3 thi v\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt v\u00e0 ti\u00ean ti\u1ebfn, mang l\u1ea1i m\u1ed9t l\u1ef1a ch\u1ecdn hi\u1ec7u qu\u1ea3 v\u00e0 thi\u1ebft th\u1ef1c cho c\u00e1c \u1ee9ng d\u1ee5ng trong l\u0129nh v\u1ef1c Internet v\u1ea1n v\u1eadt (IoT)<\/strong>, c\u00e1c thi\u1ebft b\u1ecb th\u00f4ng minh v\u00e0 c\u00e1c l\u0129nh v\u1ef1c kh\u00e1c. Nghi\u00ean c\u1ee9u n\u00e0y mang l\u1ea1i nh\u1eefng hi\u1ec3u bi\u1ebft qu\u00fd gi\u00e1 v\u1ec1 vi\u1ec7c s\u1eed d\u1ee5ng chip RF<\/strong> trong c\u00e1c c\u00f4ng ngh\u1ec7 t\u01b0\u01a1ng lai, g\u00f3p ph\u1ea7n v\u00e0o vi\u1ec7c \u1ee9ng d\u1ee5ng s\u00e2u r\u1ed9ng h\u01a1n c\u1ee7a ch\u00fang trong c\u00e1c h\u1ec7 th\u1ed1ng truy\u1ec1n th\u00f4ng hi\u1ec7n \u0111\u1ea1i.<\/p>","protected":false},"excerpt":{"rendered":"

With the rapid development of wireless communication technologies, short-range wireless communication is increasingly being used in fields like smart homes, industrial control, and smart agriculture. This paper focuses on the RFchip ADF7021, proposing a low-power, cost-effective short-range wireless communication solution that offers feasible hardware design and system integration ideas for relevant applications. Short-Range Wireless Communication Technologies […]<\/p>\n","protected":false},"author":1,"featured_media":1356,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[30,31],"tags":[36],"class_list":["post-1378","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-insights","category-blog","tag-yvette-wu"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.wallisemi.com\/vi\/wp-json\/wp\/v2\/posts\/1378","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wallisemi.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wallisemi.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wallisemi.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wallisemi.com\/vi\/wp-json\/wp\/v2\/comments?post=1378"}],"version-history":[{"count":1,"href":"https:\/\/www.wallisemi.com\/vi\/wp-json\/wp\/v2\/posts\/1378\/revisions"}],"predecessor-version":[{"id":1379,"href":"https:\/\/www.wallisemi.com\/vi\/wp-json\/wp\/v2\/posts\/1378\/revisions\/1379"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wallisemi.com\/vi\/wp-json\/wp\/v2\/media\/1356"}],"wp:attachment":[{"href":"https:\/\/www.wallisemi.com\/vi\/wp-json\/wp\/v2\/media?parent=1378"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wallisemi.com\/vi\/wp-json\/wp\/v2\/categories?post=1378"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wallisemi.com\/vi\/wp-json\/wp\/v2\/tags?post=1378"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}