Trong c\u00e1c h\u1ec7 th\u1ed1ng truy\u1ec1n th\u00f4ng kh\u00f4ng d\u00e2y, chip RF \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong vi\u1ec7c truy\u1ec1n v\u00e0 nh\u1eadn t\u00edn hi\u1ec7u. Trong s\u1ed1 \u0111\u00f3, chip thu ph\u00e1t RF \u2014 l\u00e0 c\u00e1c linh ki\u1ec7n RF c\u00f3 m\u1ee9c \u0111\u1ed9 t\u00edch h\u1ee3p cao \u2014 c\u00f3 nhi\u1ec7m v\u1ee5 chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u b\u0103ng t\u1ea7n c\u01a1 s\u1edf th\u00e0nh t\u00edn hi\u1ec7u RF kh\u00f4ng d\u00e2y. C\u00e1c chip n\u00e0y chi\u1ebfm v\u1ecb tr\u00ed trung t\u00e2m trong m\u1ed9t lo\u1ea1t c\u00e1c thi\u1ebft b\u1ecb truy\u1ec1n th\u00f4ng.<\/p>\n\n\n\n
C\u00e1c chip thu ph\u00e1t RF l\u00e0 nh\u1eefng th\u00e0nh ph\u1ea7n thi\u1ebft y\u1ebfu trong c\u00e1c h\u1ec7 th\u1ed1ng truy\u1ec1n th\u00f4ng RF hi\u1ec7n \u0111\u1ea1i. C\u00f9ng v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n nhanh ch\u00f3ng c\u1ee7a ng\u00e0nh c\u00f4ng nghi\u1ec7p \u0111i\u1ec7n t\u1eed ti\u00eau d\u00f9ng, c\u00e1c m\u1ea1ch RF r\u1eddi r\u1ea1c truy\u1ec1n th\u1ed1ng \u0111\u00e3 d\u1ea7n \u0111\u01b0\u1ee3c thay th\u1ebf b\u1eb1ng c\u00e1c chip RF t\u00edch h\u1ee3p cao. Trong h\u1ea7u h\u1ebft c\u00e1c thi\u1ebft b\u1ecb truy\u1ec1n th\u00f4ng kh\u00f4ng d\u00e2y hi\u1ec7n nay, ki\u1ebfn tr\u00fac h\u1ec7 th\u1ed1ng th\u01b0\u1eddng xoay quanh m\u1ed9t ho\u1eb7c nhi\u1ec1u chip RF, k\u1ebft h\u1ee3p v\u1edbi c\u00e1c m\u1ea1ch \u0111\u1ea7u v\u00e0o RF ngo\u1ea1i vi \u0111\u1ec3 t\u1ea1o th\u00e0nh m\u1ed9t li\u00ean k\u1ebft thu ph\u00e1t ho\u00e0n ch\u1ec9nh.<\/p>\n\n\n\n
M\u1ed9t s\u1ed1 chip RF t\u00edch h\u1ee3p cao, ch\u1eb3ng h\u1ea1n nh\u01b0 nh\u1eefng chip \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong truy\u1ec1n th\u00f4ng di \u0111\u1ed9ng 5G, th\u1eadm ch\u00ed c\u00f2n t\u00edch h\u1ee3p c\u1ea3 b\u1ed9 khu\u1ebfch \u0111\u1ea1i c\u00f4ng su\u1ea5t, c\u00f4ng t\u1eafc RF, b\u1ed9 khu\u1ebfch \u0111\u1ea1i ti\u1ebfng \u1ed3n th\u1ea5p v\u00e0 c\u1ea5u tr\u00fac \u0103ng-ten, gi\u00fap t\u0103ng c\u01b0\u1eddng h\u01a1n n\u1eefa t\u00ednh g\u1ecdn nh\u1eb9 v\u00e0 t\u00ednh \u1ed5n \u0111\u1ecbnh v\u1ec1 hi\u1ec7u su\u1ea5t c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n\n\n\n
Thu\u1eadt ng\u1eef \u201cb\u1ed9 thu ph\u00e1t\u201d l\u00e0 s\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa \u201cb\u1ed9 ph\u00e1t\u201d v\u00e0 \u201cb\u1ed9 thu\u201d, qua \u0111\u00f3 minh h\u1ecda r\u00f5 r\u00e0ng ch\u1ee9c n\u0103ng c\u1ed1t l\u00f5i c\u1ee7a c\u00e1c chip RF n\u00e0y. L\u00e0 nh\u1eefng linh ki\u1ec7n RF quan tr\u1ecdng, c\u00e1c chip thu ph\u00e1t RF \u0111\u1ea3m nhi\u1ec7m c\u00e1c ch\u1ee9c n\u0103ng chuy\u1ec3n \u0111\u1ed5i t\u1ea7n s\u1ed1, t\u1ed5ng h\u1ee3p t\u1ea7n s\u1ed1, khu\u1ebfch \u0111\u1ea1i, l\u1ecdc t\u00edn hi\u1ec7u v\u00e0 \u0111i\u1ec1u khi\u1ec3n c\u00f4ng t\u1eafc. Ch\u00fang t\u1ea1o n\u00ean n\u1ec1n t\u1ea3ng ph\u1ea7n c\u1ee9ng cho giao ti\u1ebfp hai chi\u1ec1u.<\/p>\n\n\n\n
Khi l\u1ef1a ch\u1ecdn v\u00e0 s\u1eed d\u1ee5ng chip thu ph\u00e1t s\u00f3ng v\u00f4 tuy\u1ebfn, c\u1ea7n xem x\u00e9t k\u1ef9 l\u01b0\u1ee1ng c\u00e1c th\u00f4ng s\u1ed1 sau:<\/p>\n\n\n\n
C\u00e1c h\u1ec7 th\u1ed1ng truy\u1ec1n th\u00f4ng kh\u00e1c nhau \u0111\u00f2i h\u1ecfi c\u00e1c d\u1ea3i t\u1ea7n s\u1ed1 c\u1ee5 th\u1ec3, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1c d\u1ea3i t\u1ea7n s\u1ed1 d\u00e0nh cho m\u1ea1ng di \u0111\u1ed9ng 2G\/3G\/4G\/5G v\u00e0 Wi-Fi. Ti\u00eau ch\u00ed ch\u00ednh \u0111\u1ed1i v\u1edbi chip RF l\u00e0 li\u1ec7u ch\u00fang c\u00f3 h\u1ed7 tr\u1ee3 \u0111\u1ea7y \u0111\u1ee7 c\u00e1c d\u1ea3i t\u1ea7n s\u1ed1 m\u00e0 h\u1ec7 th\u1ed1ng m\u1ee5c ti\u00eau y\u00eau c\u1ea7u hay kh\u00f4ng.<\/p>\n\n\n\n
C\u00e1c th\u00f4ng s\u1ed1 n\u00e0y \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn hi\u1ec7u su\u1ea5t \u0111\u1ea7u ra c\u1ee7a chip RF v\u00e0 bao g\u1ed3m:<\/p>\n\n\n\n
C\u00f4ng su\u1ea5t \u0111\u1ea7u ra v\u00e0 h\u1ec7 s\u1ed1 khu\u1ebfch \u0111\u1ea1i<\/p>\n\n\n\n
M\u1eabu ph\u1ed5 v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng \u0111i\u1ec1u ch\u1ebf (nh\u01b0 EVM, sai s\u1ed1 pha)<\/p>\n\n\n\n
C\u00e1c th\u00e0nh ph\u1ea7n phi tuy\u1ebfn (dao \u0111\u1ed9ng h\u00e0i, nhi\u1ec5u kh\u00f4ng mong mu\u1ed1n)<\/p>\n\n\n\n
\u0110\u1eb7c t\u00ednh tr\u1edf kh\u00e1ng c\u1ed5ng v\u00e0 \u0111\u1eb7c t\u00ednh tri\u1ec7t ti\u00eau (tri\u1ec7t ti\u00eau s\u00f3ng mang, tri\u1ec7t ti\u00eau s\u00f3ng \u1ea3nh)<\/p>\n\n\n\n
L\u00e0 chip RF ch\u00ednh trong \u0111\u01b0\u1eddng d\u1eabn thu t\u00edn hi\u1ec7u, c\u00e1c th\u00f4ng s\u1ed1 quan tr\u1ecdng c\u1ee7a n\u00f3 bao g\u1ed3m:<\/p>\n\n\n\n
H\u1ec7 s\u1ed1 nhi\u1ec5u (NF) v\u00e0 \u0111\u1ed9 nh\u1ea1y<\/p>\n\n\n\n
D\u1ea3i \u0111\u1ed9ng v\u00e0 \u0111\u1ed9 tuy\u1ebfn t\u00ednh (IIP3, P1dB)<\/p>\n\n\n\n
C\u00f4ng su\u1ea5t \u0111\u1ea7u v\u00e0o t\u1ed1i \u0111a v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng nhi\u1ec5u<\/p>\n\n\n\n
Giao di\u1ec7n h\u1ec7 th\u1ed1ng v\u00e0 m\u1ee9c ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng c\u0169ng l\u00e0 nh\u1eefng y\u1ebfu t\u1ed1 quan tr\u1ecdng c\u1ea7n xem x\u00e9t \u0111\u1ed1i v\u1edbi c\u00e1c chip thu ph\u00e1t RF:<\/p>\n\n\n\n
Y\u00eau c\u1ea7u v\u1ec1 ngu\u1ed3n \u0111i\u1ec7n v\u00e0 t\u1ed5ng c\u00f4ng su\u1ea5t ti\u00eau th\u1ee5<\/p>\n\n\n\n
M\u1ee9c logic \u0111i\u1ec1u khi\u1ec3n v\u00e0 c\u00e1c lo\u1ea1i giao di\u1ec7n (ph\u01b0\u01a1ng th\u1ee9c giao ti\u1ebfp v\u1edbi b\u1ed9 x\u1eed l\u00fd b\u0103ng t\u1ea7n c\u01a1 s\u1edf)<\/p>\n\n\n\n
Lo\u1ea1i \u0111\u1ed3ng h\u1ed3 v\u00e0 t\u1ea7n s\u1ed1<\/p>\n\n\n\n
Trong c\u00e1c d\u1ef1 \u00e1n th\u1ef1c t\u1ebf, vi\u1ec7c l\u1ef1a ch\u1ecdn chip thu ph\u00e1t RF th\u01b0\u1eddng \u0111\u00f2i h\u1ecfi ph\u1ea3i \u0111\u00e1nh gi\u00e1 h\u1ec7 th\u1ed1ng m\u1ed9t c\u00e1ch t\u1ed5ng th\u1ec3, bao g\u1ed3m b\u1ed9 x\u1eed l\u00fd, chip qu\u1ea3n l\u00fd ngu\u1ed3n v\u00e0 c\u00e1c linh ki\u1ec7n kh\u00e1c. C\u1ea7n \u01b0u ti\u00ean c\u00e1c y\u1ebfu t\u1ed1 sau:<\/p>\n\n\n\n
Chip thu ph\u00e1t s\u00f3ng v\u00f4 tuy\u1ebfn \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn ph\u1ea3i h\u1ed7 tr\u1ee3 t\u1ea5t c\u1ea3 c\u00e1c d\u1ea3i t\u1ea7n s\u1ed1 m\u00e0 th\u1ecb tr\u01b0\u1eddng m\u1ee5c ti\u00eau c\u1ee7a s\u1ea3n ph\u1ea9m y\u00eau c\u1ea7u.<\/p>\n\n\n\n
Vi\u1ec7c \u0111\u00e1nh gi\u00e1 c\u00f4ng su\u1ea5t \u0111\u1ea7u ra, \u0111\u1eb7c t\u00ednh ph\u1ed5 t\u1ea7n v\u00e0 hi\u1ec7u su\u1ea5t phi tuy\u1ebfn c\u1ee7a chip RF l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u00fang ph\u00f9 h\u1ee3p v\u1edbi b\u1ed9 khu\u1ebfch \u0111\u1ea1i c\u00f4ng su\u1ea5t v\u00e0 c\u00e1c y\u00eau c\u1ea7u c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n\n\n\n
L\u00e0 th\u00e0nh ph\u1ea7n \u0111\u1ea7u ti\u00ean trong chu\u1ed7i thu nh\u1eadn, h\u1ec7 s\u1ed1 nhi\u1ec5u, \u0111\u1ed9 nh\u1ea1y v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng nhi\u1ec5u c\u1ee7a chip thu ph\u00e1t RF \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn hi\u1ec7u su\u1ea5t thu nh\u1eadn c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n\n\n\n
M\u1ee9c \u0111\u1ed9 t\u00edch h\u1ee3p cao trong c\u00e1c chip RF gi\u00fap \u0111\u01a1n gi\u1ea3n h\u00f3a thi\u1ebft k\u1ebf v\u00e0 gi\u1ea3m di\u1ec7n t\u00edch b\u1ea3ng m\u1ea1ch in (PCB), nh\u01b0ng c\u1ea7n ch\u00fa \u00fd \u0111\u1ebfn s\u1ed1 l\u01b0\u1ee3ng linh ki\u1ec7n b\u00ean ngo\u00e0i, qu\u1ea3n l\u00fd ngu\u1ed3n \u0111i\u1ec7n v\u00e0 c\u00e1c y\u00eau c\u1ea7u v\u1ec1 t\u1ea3n nhi\u1ec7t.<\/p>","protected":false},"excerpt":{"rendered":"
In wireless communication systems, RF chips play a pivotal role in signal transmission and reception. Among them, RF transceiver chips\u2014highly integrated RF components\u2014are responsible for converting baseband signals into wireless RF signals. These chips occupy a central position in a wide range of communication devices. 1. Overview of RF Transceiver Chips RF transceiver chips are […]<\/p>\n","protected":false},"author":1,"featured_media":1346,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[30,31],"tags":[36],"class_list":["post-1345","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\/1345","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=1345"}],"version-history":[{"count":1,"href":"https:\/\/www.wallisemi.com\/vi\/wp-json\/wp\/v2\/posts\/1345\/revisions"}],"predecessor-version":[{"id":1347,"href":"https:\/\/www.wallisemi.com\/vi\/wp-json\/wp\/v2\/posts\/1345\/revisions\/1347"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wallisemi.com\/vi\/wp-json\/wp\/v2\/media\/1346"}],"wp:attachment":[{"href":"https:\/\/www.wallisemi.com\/vi\/wp-json\/wp\/v2\/media?parent=1345"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wallisemi.com\/vi\/wp-json\/wp\/v2\/categories?post=1345"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wallisemi.com\/vi\/wp-json\/wp\/v2\/tags?post=1345"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}