{"id":1351,"date":"2025-10-09T23:01:27","date_gmt":"2025-10-09T23:01:27","guid":{"rendered":"https:\/\/www.wallisemi.com\/?p=1351"},"modified":"2025-10-12T23:08:37","modified_gmt":"2025-10-12T23:08:37","slug":"chip-rf-duoc-lam-tu-chat-lieu-gi","status":"publish","type":"post","link":"https:\/\/www.wallisemi.com\/vi\/blog\/industry-insights\/what-are-rf-chips-made-of\/","title":{"rendered":"Chip RF \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb ch\u1ea5t li\u1ec7u g\u00ec?"},"content":{"rendered":"

Chip RF<\/strong> (M\u1ea1ch t\u00edch h\u1ee3p t\u1ea7n s\u1ed1 v\u00f4 tuy\u1ebfn, RFIC) l\u00e0 c\u00e1c m\u1ea1ch t\u00edch h\u1ee3p chuy\u00ean d\u1ee5ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u1eed l\u00fd t\u00edn hi\u1ec7u t\u1ea7n s\u1ed1 v\u00f4 tuy\u1ebfn. C\u00e1c chip n\u00e0y \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong l\u0129nh v\u1ef1c truy\u1ec1n th\u00f4ng kh\u00f4ng d\u00e2y, radar, truy\u1ec1n th\u00f4ng v\u1ec7 tinh v\u00e0 \u0111o l\u01b0\u1eddng t\u1ea7n s\u1ed1 v\u00f4 tuy\u1ebfn. L\u00e0 th\u00e0nh ph\u1ea7n c\u1ed1t l\u00f5i c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng truy\u1ec1n th\u00f4ng hi\u1ec7n \u0111\u1ea1i, Chip RF<\/strong> ch\u1ecbu tr\u00e1ch nhi\u1ec7m th\u1ef1c hi\u1ec7n m\u1ed9t lo\u1ea1t c\u00e1c nhi\u1ec7m v\u1ee5 quan tr\u1ecdng bao g\u1ed3m thu nh\u1eadn t\u00edn hi\u1ec7u, truy\u1ec1n d\u1eabn, khu\u1ebfch \u0111\u1ea1i, chuy\u1ec3n \u0111\u1ed5i t\u1ea7n s\u1ed1 v\u00e0 \u0111i\u1ec1u ch\u1ebf-gi\u1ea3i \u0111i\u1ec1u ch\u1ebf. V\u1eady, ch\u00ednh x\u00e1c th\u00ec m\u1ed9t h\u1ec7 th\u1ed1ng ho\u00e0n ch\u1ec9nh bao g\u1ed3m nh\u1eefng th\u00e0nh ph\u1ea7n n\u00e0o? Chip RF<\/strong>?<\/p>\n\n\n\n

C\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a m\u1ed9t <\/strong>Chip RF<\/strong><\/strong><\/h4>\n\n\n\n

M\u1ed9t Chip RF<\/strong> th\u01b0\u1eddng bao g\u1ed3m m\u1ed9t s\u1ed1 m\u00f4-\u0111un thi\u1ebft y\u1ebfu, m\u1ed7i m\u00f4-\u0111un \u0111\u1ec1u \u0111\u00f3ng g\u00f3p v\u00e0o ch\u1ee9c n\u0103ng t\u1ed5ng th\u1ec3 c\u1ee7a n\u00f3 trong m\u1ed9t h\u1ec7 th\u1ed1ng truy\u1ec1n th\u00f4ng:<\/p>\n\n\n\n

1. <\/strong>B\u1ed9 khu\u1ebfch \u0111\u1ea1i ti\u1ebfng \u1ed3n th\u1ea5p (LNA)<\/strong><\/strong><\/h5>\n\n\n\n

LNA l\u00e0 giai \u0111o\u1ea1n \u0111\u1ea7u ti\u00ean trong Chip RF<\/strong>\u2018chu\u1ed7i b\u1ed9 thu. N\u00f3 khu\u1ebfch \u0111\u1ea1i c\u00e1c t\u00edn hi\u1ec7u y\u1ebfu do \u0103ng-ten thu \u0111\u01b0\u1ee3c \u0111\u1ed3ng th\u1eddi gi\u1ea3m thi\u1ec3u nhi\u1ec5u, \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng t\u00edn hi\u1ec7u.<\/p>\n\n\n\n

2. <\/strong>B\u1ed9 khu\u1ebfch \u0111\u1ea1i c\u00f4ng su\u1ea5t (PA)<\/strong><\/strong><\/h5>\n\n\n\n

V\u1ec1 ph\u00eda h\u1ec7 th\u1ed1ng truy\u1ec1n \u0111\u1ed9ng, b\u1ed9 khu\u1ebfch \u0111\u1ea1i c\u00f4ng su\u1ea5t<\/strong> t\u0103ng c\u01b0\u1eddng qu\u00e1 tr\u00ecnh ch\u1ebf bi\u1ebfn T\u00edn hi\u1ec7u RF<\/strong> \u0111\u1ebfn m\u1ee9c c\u00f4ng su\u1ea5t c\u1ea7n thi\u1ebft \u0111\u1ec3 ph\u00e1t x\u1ea1 hi\u1ec7u qu\u1ea3 qua \u0103ng-ten. Hi\u1ec7u su\u1ea5t c\u1ee7a PA<\/strong> \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn hi\u1ec7u su\u1ea5t truy\u1ec1n d\u1eabn v\u00e0 ph\u1ea1m vi truy\u1ec1n th\u00f4ng c\u1ee7a Chip RF<\/strong>.<\/p>\n\n\n\n

3. <\/strong>M\u00e1y tr\u1ed9n<\/strong><\/strong><\/h5>\n\n\n\n

C\u00e1i m\u00e1y tr\u1ed9n<\/strong> c\u00f3 nhi\u1ec7m v\u1ee5 tr\u1ed9n t\u00edn hi\u1ec7u t\u1ea7n s\u1ed1 cao v\u1edbi t\u00edn hi\u1ec7u dao \u0111\u1ed9ng c\u1ee5c b\u1ed9 (LO), t\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i t\u1ea7n s\u1ed1 l\u00ean ho\u1eb7c xu\u1ed1ng. \u0110\u00e2y l\u00e0 th\u00e0nh ph\u1ea7n c\u1ed1t l\u00f5i cho qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i t\u1ea7n s\u1ed1 trong Chip RF<\/strong>.<\/p>\n\n\n\n

4. <\/strong>Dao \u0111\u1ed9ng c\u1ee5c b\u1ed9 (LO)<\/strong><\/strong><\/h5>\n\n\n\n

C\u00e1i dao \u0111\u1ed9ng c\u1ee5c b\u1ed9<\/strong> cung c\u1ea5p t\u1ea7n s\u1ed1 tham chi\u1ebfu \u1ed5n \u0111\u1ecbnh cho m\u00e1y tr\u1ed9n<\/strong>. \u0110\u1ed9 ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh v\u1ec1 t\u1ea7n s\u1ed1 c\u1ee7a n\u00f3 l\u00e0 y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh \u0111\u1ed1i v\u1edbi hi\u1ec7u su\u1ea5t t\u1ed5ng th\u1ec3 c\u1ee7a Chip RF<\/strong>.<\/p>\n\n\n\n

5. <\/strong>L\u1ecdc<\/strong><\/strong><\/h5>\n\n\n\n

C\u00e1i b\u1ed9 l\u1ecdc<\/strong> \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 lo\u1ea1i b\u1ecf nhi\u1ec5u v\u00e0 ti\u1ebfng \u1ed3n ngo\u00e0i d\u1ea3i t\u1ea7n, \u0111\u1ea3m b\u1ea3o ch\u1ec9 c\u00f3 c\u00e1c t\u00edn hi\u1ec7u \u1edf t\u1ea7n s\u1ed1 m\u1ee5c ti\u00eau m\u1edbi \u0111i qua. N\u00f3 \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c duy tr\u00ec \u0111\u1ed9 tinh khi\u1ebft c\u1ee7a t\u00edn hi\u1ec7u trong m\u1ed9t Chip RF<\/strong>.<\/p>\n\n\n\n

6. <\/strong>C\u00f4ng t\u1eafc RF<\/strong><\/strong><\/h5>\n\n\n\n

C\u00e1i C\u00f4ng t\u1eafc RF<\/strong> \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i gi\u1eefa c\u00e1c \u0111\u01b0\u1eddng d\u1eabn t\u00edn hi\u1ec7u kh\u00e1c nhau, cho ph\u00e9p Chip RF<\/strong> \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i gi\u1eefa ch\u1ebf \u0111\u1ed9 nh\u1eadn v\u00e0 ch\u1ebf \u0111\u1ed9 ph\u00e1t ho\u1eb7c \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng tr\u00ean nhi\u1ec1u d\u1ea3i t\u1ea7n s\u1ed1.<\/p>\n\n\n\n

7. <\/strong>B\u1ed9 t\u1ed5ng h\u1ee3p t\u1ea7n s\u1ed1<\/strong><\/strong><\/h5>\n\n\n\n

C\u00e1i b\u1ed9 t\u1ed5ng h\u1ee3p t\u1ea7n s\u1ed1<\/strong> t\u1ea1o ra c\u00e1c t\u00edn hi\u1ec7u t\u1ea7n s\u1ed1 \u1ed5n \u0111\u1ecbnh v\u00e0 c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao th\u00f4ng qua c\u00e1c m\u1ea1ch nh\u01b0 M\u1ea1ch kh\u00f3a pha (PLL). N\u00f3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng Chip RF<\/strong> c\u00f3 ngu\u1ed3n dao \u0111\u1ed9ng c\u1ee5c b\u1ed9 \u0111\u00e1ng tin c\u1eady.<\/p>\n\n\n\n

8. <\/strong>B\u1ed9 \u0111i\u1ec1u ch\u1ebf\/b\u1ed9 gi\u1ea3i \u0111i\u1ec1u ch\u1ebf<\/strong><\/strong><\/h5>\n\n\n\n

M\u00f4-\u0111un n\u00e0y c\u00f3 nhi\u1ec7m v\u1ee5 \u0111i\u1ec1u ch\u1ebf t\u00edn hi\u1ec7u d\u1ea3i c\u01a1 s\u1edf l\u00ean T\u1ea7n s\u1ed1 mang RF<\/strong> ho\u1eb7c gi\u1ea3i \u0111i\u1ec1u ch\u1ebf t\u00edn hi\u1ec7u \u0111\u00e3 nh\u1eadn T\u00edn hi\u1ec7u RF<\/strong> quay tr\u1edf l\u1ea1i t\u00edn hi\u1ec7u b\u0103ng t\u1ea7n c\u01a1 s\u1edf. \u0110i\u1ec1u n\u00e0y c\u00f3 \u00fd ngh\u0129a quy\u1ebft \u0111\u1ecbnh \u0111\u1ed1i v\u1edbi vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u trong Chip RF<\/strong>.<\/p>\n\n\n\n

9. <\/strong>\u0102ng-ten t\u00edch h\u1ee3p<\/strong><\/strong><\/h5>\n\n\n\n

M\u1ed9t s\u1ed1 s\u1ea3n ph\u1ea9m t\u00edch h\u1ee3p cao Chip RF<\/strong> t\u00edch h\u1ee3p \u0103ng-ten tr\u1ef1c ti\u1ebfp v\u00e0o b\u00ean trong chip ho\u1eb7c v\u1ecf \u0111\u00f3ng g\u00f3i, gi\u00fap gi\u1ea3m th\u00eam k\u00edch th\u01b0\u1edbc h\u1ec7 th\u1ed1ng v\u00e0 n\u00e2ng cao m\u1ee9c \u0111\u1ed9 t\u00edch h\u1ee3p t\u1ed5ng th\u1ec3.<\/p>\n\n\n\n

10. <\/strong>V\u00f2ng ph\u1ea3n h\u1ed3i v\u00e0 \u0111i\u1ec1u khi\u1ec3n h\u1ec7 s\u1ed1 khu\u1ebfch \u0111\u1ea1i<\/strong><\/strong><\/h5>\n\n\n\n

Th\u00f4ng qua c\u00e1c c\u01a1 ch\u1ebf ph\u1ea3n h\u1ed3i nh\u01b0 Ki\u1ec3m so\u00e1t \u0111\u1ed9 l\u1ee3i t\u1ef1 \u0111\u1ed9ng (AGC), Chip RF<\/strong> c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh c\u01b0\u1eddng \u0111\u1ed9 t\u00edn hi\u1ec7u m\u1ed9t c\u00e1ch linh ho\u1ea1t \u0111\u1ec3 ng\u0103n ng\u1eeba qu\u00e1 t\u1ea3i v\u00e0 m\u00e9o ti\u1ebfng, \u0111\u1ea3m b\u1ea3o t\u00edn hi\u1ec7u \u0111\u1ea7u ra \u1ed5n \u0111\u1ecbnh.<\/p>\n\n\n\n

K\u1ebft lu\u1eadn<\/strong><\/strong><\/h4>\n\n\n\n

T\u00f3m l\u1ea1i, Chip RF<\/strong> l\u00e0 \u201ctr\u00e1i tim\u201d c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng RF, t\u00edch h\u1ee3p c\u00e1c m\u00f4-\u0111un ch\u1ee9c n\u0103ng kh\u00e1c nhau nh\u01b0 khu\u1ebfch \u0111\u1ea1i, tr\u1ed9n t\u00edn hi\u1ec7u, l\u1ecdc, \u0111i\u1ec1u ch\u1ebf v\u00e0 t\u1ed5ng h\u1ee3p t\u1ea7n s\u1ed1. Khi c\u00f4ng ngh\u1ec7 truy\u1ec1n th\u00f4ng ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n theo h\u01b0\u1edbng t\u1ea7n s\u1ed1 cao h\u01a1n, t\u1ed1c \u0111\u1ed9 nhanh h\u01a1n v\u00e0 m\u1ee9c ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng th\u1ea5p h\u01a1n, c\u00e1c h\u1ec7 th\u1ed1ng hi\u1ec7n \u0111\u1ea1i Chip RF<\/strong> \u0111ang ti\u1ebfn t\u1edbi m\u1ee9c \u0111\u1ed9 t\u00edch h\u1ee3p cao h\u01a1n, hi\u1ec7u su\u1ea5t t\u1ed1t h\u01a1n v\u00e0 k\u00edch th\u01b0\u1edbc nh\u1ecf g\u1ecdn h\u01a1n. Nh\u1eefng \u0111\u1ed5i m\u1edbi n\u00e0y gi\u00fap Chip RF<\/strong> m\u1ed9t \u0111\u1ed9ng l\u1ef1c quan tr\u1ecdng th\u00fac \u0111\u1ea9y s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00f4ng d\u00e2y.<\/p>","protected":false},"excerpt":{"rendered":"

RF chips (Radio Frequency Integrated Circuits, RFICs) are specialized integrated circuits used to process radio frequency signals. These chips are widely utilized in wireless communications, radar, satellite communications, and RF measurements. As the core of modern communication systems, RF chips are responsible for a series of key tasks including signal reception, transmission, amplification, frequency conversion, and modulation-demodulation. […]<\/p>\n","protected":false},"author":1,"featured_media":1352,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[30,31],"tags":[36],"class_list":["post-1351","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\/1351","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=1351"}],"version-history":[{"count":1,"href":"https:\/\/www.wallisemi.com\/vi\/wp-json\/wp\/v2\/posts\/1351\/revisions"}],"predecessor-version":[{"id":1353,"href":"https:\/\/www.wallisemi.com\/vi\/wp-json\/wp\/v2\/posts\/1351\/revisions\/1353"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wallisemi.com\/vi\/wp-json\/wp\/v2\/media\/1352"}],"wp:attachment":[{"href":"https:\/\/www.wallisemi.com\/vi\/wp-json\/wp\/v2\/media?parent=1351"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wallisemi.com\/vi\/wp-json\/wp\/v2\/categories?post=1351"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wallisemi.com\/vi\/wp-json\/wp\/v2\/tags?post=1351"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}