{"id":474733,"date":"2025-07-20T12:36:49","date_gmt":"2025-07-20T05:36:49","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=474733"},"modified":"2025-07-20T12:36:49","modified_gmt":"2025-07-20T05:36:49","slug":"ang-ten","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/ang-ten\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn c\u00e1ch l\u1eafp \u0103ng ten \u0111\u1ec3 b\u1eaft k\u00eanh DVB-T2 trong nh\u00e0, ngo\u00e0i tr\u1eddi"},"content":{"rendered":"

Trong th\u1eddi \u0111\u1ea1i truy\u1ec1n h\u00ecnh k\u1ef9 thu\u1eadt s\u1ed1 ph\u00e1t tri\u1ec3n m\u1ea1nh m\u1ebd, vi\u1ec7c s\u1eed d\u1ee5ng <\/span>\u0103ng ten<\/b> DVB-T2 \u0111ang tr\u1edf th\u00e0nh xu h\u01b0\u1edbng ph\u1ed5 bi\u1ebfn \u0111\u1ec3 xem c\u00e1c k\u00eanh truy\u1ec1n h\u00ecnh mi\u1ec5n ph\u00ed v\u1edbi ch\u1ea5t l\u01b0\u1ee3ng cao. Tuy nhi\u00ean, kh\u00f4ng ph\u1ea3i ai c\u0169ng hi\u1ec3u r\u00f5 c\u00e1ch l\u1eafp \u0111\u1eb7t thi\u1ebft b\u1ecb thu s\u00f3ng \u0111\u00fang c\u00e1ch \u0111\u1ec3 t\u1ed1i \u01b0u s\u1ed1 l\u01b0\u1ee3ng k\u00eanh v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng h\u00ecnh \u1ea3nh. V\u00ec th\u1ebf, Ho\u00e0ng H\u00e0 Mobile<\/strong> s\u1ebd h\u01b0\u1edbng d\u1eabn chi ti\u1ebft c\u00e1ch l\u1eafp thi\u1ebft b\u1ecb thu s\u00f3ng \u0111\u1ec3 b\u1eaft k\u00eanh DVB-T2 c\u1ea3 trong nh\u00e0 l\u1eabn ngo\u00e0i tr\u1eddi, t\u1eeb c\u00e1ch x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed, l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb.<\/span><\/p>\n

M\u1ee5c \u0111\u00edch c\u1ee7a \u0103ng ten<\/span><\/h2>\n

\u0110\u00e2y l\u00e0 thi\u1ebft b\u1ecb kh\u00f4ng th\u1ec3 thi\u1ebfu trong h\u1ec7 th\u1ed1ng thu t\u00edn hi\u1ec7u truy\u1ec1n h\u00ecnh m\u1eb7t \u0111\u1ea5t, \u0111\u1eb7c bi\u1ec7t v\u1edbi chu\u1ea9n DVB-T2. M\u1ee5c \u0111\u00edch ch\u00ednh c\u1ee7a n\u00f3 l\u00e0 thu s\u00f3ng truy\u1ec1n h\u00ecnh t\u1eeb c\u00e1c tr\u1ea1m ph\u00e1t s\u00f3ng, sau \u0111\u00f3 truy\u1ec1n t\u00edn hi\u1ec7u \u0111\u1ebfn \u0111\u1ea7u thu v\u00e0 cu\u1ed1i c\u00f9ng hi\u1ec3n th\u1ecb tr\u00ean m\u00e0n h\u00ecnh tivi. Nh\u1edd \u0111\u00f3, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 xem \u0111\u01b0\u1ee3c nhi\u1ec1u k\u00eanh truy\u1ec1n h\u00ecnh mi\u1ec5n ph\u00ed m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i tr\u1ea3 ph\u00ed thu\u00ea bao h\u00e0ng th\u00e1ng, \u0111\u1ed3ng th\u1eddi t\u1eadn h\u01b0\u1edfng ch\u1ea5t l\u01b0\u1ee3ng h\u00ecnh \u1ea3nh v\u00e0 \u00e2m thanh s\u1eafc n\u00e9t.<\/span><\/p>\n

\"ang-ten-1\"<\/p>\n

Ngo\u00e0i ra, thi\u1ebft b\u1ecb thu s\u00f3ng gi\u00fap t\u1ed1i \u01b0u kh\u1ea3 n\u0103ng thu s\u00f3ng, gi\u1ea3m hi\u1ec7n t\u01b0\u1ee3ng nhi\u1ec5u, m\u00e9o t\u00edn hi\u1ec7u ho\u1eb7c m\u1ea5t s\u00f3ng \u0111\u1ed9t ng\u1ed9t, \u0111\u1eb7c bi\u1ec7t khi \u0111i\u1ec1u ki\u1ec7n th\u1eddi ti\u1ebft x\u1ea5u ho\u1eb7c khu v\u1ef1c c\u00f3 nhi\u1ec1u v\u1eadt c\u1ea3n. Vi\u1ec7c l\u1eafp \u0111\u1eb7t ph\u00f9 h\u1ee3p gi\u00fap ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng ch\u1ec9 ti\u1ebft ki\u1ec7m chi ph\u00ed m\u00e0 c\u00f2n \u0111\u1ea3m b\u1ea3o tr\u1ea3i nghi\u1ec7m gi\u1ea3i tr\u00ed m\u01b0\u1ee3t m\u00e0, \u1ed5n \u0111\u1ecbnh.<\/span><\/p>\n

B\u00ean c\u1ea1nh \u0111\u00f3, nhi\u1ec1u m\u1eabu thi\u1ebft b\u1ecb thu s\u00f3ng hi\u1ec7n \u0111\u1ea1i c\u00f2n t\u00edch h\u1ee3p b\u1ed9 khu\u1ebfch \u0111\u1ea1i t\u00edn hi\u1ec7u, gi\u00fap t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng thu nh\u1eadn s\u00f3ng \u1edf nh\u1eefng khu v\u1ef1c xa tr\u1ea1m ph\u00e1t. V\u1edbi thi\u1ebft k\u1ebf nh\u1ecf g\u1ecdn, d\u1ec5 l\u1eafp \u0111\u1eb7t, thi\u1ebft b\u1ecb n\u00e0y tr\u1edf th\u00e0nh gi\u1ea3i ph\u00e1p h\u1eefu \u00edch cho c\u1ea3 gia \u0111\u00ecnh \u1edf th\u00e0nh th\u1ecb l\u1eabn n\u00f4ng th\u00f4n.\u00a0<\/span><\/p>\n

C\u00e1ch x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed \u0111\u1eb7t \u0103ng ten ph\u00f9 h\u1ee3p<\/span><\/h2>\n

\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o b\u1eaft \u0111\u01b0\u1ee3c nhi\u1ec1u k\u00eanh v\u00e0 t\u00edn hi\u1ec7u \u1ed5n \u0111\u1ecbnh, tr\u01b0\u1edbc ti\u00ean b\u1ea1n c\u1ea7n x\u00e1c \u0111\u1ecbnh h\u01b0\u1edbng v\u00e0 kho\u1ea3ng c\u00e1ch t\u1edbi tr\u1ea1m ph\u00e1t s\u00f3ng g\u1ea7n nh\u1ea5t. Th\u00f4ng th\u01b0\u1eddng, t\u00edn hi\u1ec7u DVB-T2 \u0111\u01b0\u1ee3c truy\u1ec1n theo ph\u01b0\u01a1ng th\u1eb3ng, do \u0111\u00f3 c\u00e1c v\u1eadt c\u1ea3n nh\u01b0 t\u00f2a nh\u00e0 cao t\u1ea7ng, \u0111\u1ed3i n\u00fai hay c\u00e2y c\u1ed1i d\u00e0y \u0111\u1eb7c c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng thu s\u00f3ng \u0111\u00e1ng k\u1ec3.<\/span><\/p>\n

M\u1ed9t m\u1eb9o \u0111\u01a1n gi\u1ea3n l\u00e0 s\u1eed d\u1ee5ng b\u1ea3n \u0111\u1ed3 ho\u1eb7c Google Maps \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed tr\u1ea1m ph\u00e1t s\u00f3ng. Sau \u0111\u00f3, b\u1ea1n c\u00f3 th\u1ec3 c\u0103n ch\u1ec9nh h\u01b0\u1edbng tr\u1ef1c ti\u1ebfp v\u1ec1 ph\u00eda \u0111\u00f3 \u0111\u1ec3 t\u1ed1i \u01b0u g\u00f3c thu. \u1ede nh\u1eefng khu v\u1ef1c \u0111\u00f4ng d\u00e2n c\u01b0, nhi\u1ec1u v\u1eadt c\u1ea3n, vi\u1ec7c \u0111\u1eb7t thi\u1ebft b\u1ecb thu s\u00f3ng \u1edf v\u1ecb tr\u00ed cao, tho\u00e1ng, ch\u1eb3ng h\u1ea1n tr\u00ean n\u00f3c nh\u00e0 ho\u1eb7c ban c\u00f4ng t\u1ea7ng cao, s\u1ebd gi\u00fap t\u0103ng kh\u1ea3 n\u0103ng b\u1eaft s\u00f3ng.<\/span><\/p>\n

\"ang-ten-2\"<\/p>\n

\u0110\u1ed1i v\u1edbi thi\u1ebft b\u1ecb thu s\u00f3ng trong nh\u00e0, v\u1ecb tr\u00ed g\u1ea7n c\u1eeda s\u1ed5, n\u01a1i \u00edt v\u1eadt ch\u1eafn, th\u01b0\u1eddng mang l\u1ea1i hi\u1ec7u qu\u1ea3 t\u1ed1t h\u01a1n. \u0110\u1eb7c bi\u1ec7t, khi s\u1eed d\u1ee5ng c\u00f9ng v\u1edbi m\u1ed9t chi\u1ebfc\u00a0<\/span>Smart TV<\/a><\/strong>, kh\u1ea3 n\u0103ng hi\u1ec3n th\u1ecb v\u00e0 d\u00f2 k\u00eanh s\u1ebd t\u1ed1i \u01b0u h\u01a1n nhi\u1ec1u. C\u00f2n ngo\u00e0i tr\u1eddi, b\u1ea1n n\u00ean tr\u00e1nh \u0111\u1eb7t g\u1ea7n d\u00e2y \u0111i\u1ec7n, c\u1ed9t \u0111i\u1ec7n \u0111\u1ec3 h\u1ea1n ch\u1ebf nguy c\u01a1 nhi\u1ec5u v\u00e0 \u0111\u1ea3m b\u1ea3o an to\u00e0n.<\/span><\/p>\n

\u0110\u1ed3ng th\u1eddi, b\u1ea1n c\u0169ng n\u00ean ki\u1ec3m tra m\u1ee9c t\u00edn hi\u1ec7u qua \u0111\u1ea7u thu ho\u1eb7c tivi. N\u1ebfu th\u1ea5y c\u01b0\u1eddng \u0111\u1ed9 v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng t\u00edn hi\u1ec7u th\u1ea5p, h\u00e3y th\u1eed xoay nh\u1eb9 ho\u1eb7c di chuy\u1ec3n sang v\u1ecb tr\u00ed kh\u00e1c cho \u0111\u1ebfn khi \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee9c t\u00edn hi\u1ec7u \u1ed5n \u0111\u1ecbnh (th\u01b0\u1eddng t\u1eeb 40% tr\u1edf l\u00ean v\u1ec1 c\u01b0\u1eddng \u0111\u1ed9, v\u00e0 90% tr\u1edf l\u00ean v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng).<\/span><\/p>\n

N\u00ean d\u00f9ng \u0103ng ten trong nh\u00e0 hay \u0103ng ten ngo\u00e0i tr\u1eddi?<\/span><\/h2>\n

Vi\u1ec7c l\u1ef1a ch\u1ecdn lo\u1ea1i thi\u1ebft b\u1ecb thu s\u00f3ng ph\u00f9 h\u1ee3p ph\u1ee5 thu\u1ed9c r\u1ea5t nhi\u1ec1u v\u00e0o \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng, v\u1ecb tr\u00ed \u0111\u1ecba l\u00fd v\u00e0 nhu c\u1ea7u s\u1eed d\u1ee5ng.\u00a0<\/span><\/p>\n

Lo\u1ea1i trong nh\u00e0<\/span><\/h3>\n

Thi\u1ebft b\u1ecb thu s\u00f3ng trong nh\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf nh\u1ecf g\u1ecdn, ki\u1ec3u d\u00e1ng hi\u1ec7n \u0111\u1ea1i, ph\u00f9 h\u1ee3p v\u1edbi kh\u00f4ng gian s\u1ed1ng \u0111\u00f4 th\u1ecb, c\u0103n h\u1ed9 ho\u1eb7c nh\u00e0 c\u00f3 v\u1ecb tr\u00ed g\u1ea7n tr\u1ea1m ph\u00e1t s\u00f3ng. \u01afu \u0111i\u1ec3m l\u1edbn nh\u1ea5t c\u1ee7a lo\u1ea1i n\u00e0y l\u00e0 t\u00ednh th\u1ea9m m\u1ef9 cao, d\u1ec5 d\u00e0ng di chuy\u1ec3n v\u00e0 l\u1eafp \u0111\u1eb7t m\u00e0 kh\u00f4ng c\u1ea7n k\u1ef9 thu\u1eadt ph\u1ee9c t\u1ea1p. Ng\u01b0\u1eddi d\u00f9ng ch\u1ec9 c\u1ea7n \u0111\u1eb7t g\u1ea7n c\u1eeda s\u1ed5 ho\u1eb7c nh\u1eefng khu v\u1ef1c \u00edt v\u1eadt c\u1ea3n, sau \u0111\u00f3 \u0111i\u1ec1u ch\u1ec9nh h\u01b0\u1edbng anten v\u1ec1 ph\u00eda tr\u1ea1m ph\u00e1t.<\/span><\/p>\n

\"ang-ten-3\"<\/p>\n

Tuy nhi\u00ean, thi\u1ebft b\u1ecb thu s\u00f3ng trong nh\u00e0 c\u00f3 nh\u01b0\u1ee3c \u0111i\u1ec3m l\u00e0 d\u1ec5 b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed kh\u00e1c, v\u00e1ch t\u01b0\u1eddng d\u00e0y ho\u1eb7c \u0111\u1ed3 n\u1ed9i th\u1ea5t xung quanh, d\u1eabn \u0111\u1ebfn t\u00edn hi\u1ec7u y\u1ebfu ho\u1eb7c b\u1ecb nhi\u1ec5u. Do \u0111\u00f3, lo\u1ea1i n\u00e0y ch\u1ec9 ph\u00f9 h\u1ee3p v\u1edbi nh\u1eefng khu v\u1ef1c n\u1eb1m trong ph\u1ea1m vi ph\u1ee7 s\u00f3ng m\u1ea1nh, kho\u1ea3ng c\u00e1ch t\u1eeb tr\u1ea1m ph\u00e1t th\u01b0\u1eddng d\u01b0\u1edbi 15km, v\u00e0 kh\u00f4ng c\u00f3 nhi\u1ec1u v\u1eadt c\u1ea3n.<\/span><\/p>\n

Ngo\u00e0i ra, khi s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb thu s\u00f3ng trong nh\u00e0, ng\u01b0\u1eddi d\u00f9ng n\u00ean \u01b0u ti\u00ean ch\u1ecdn s\u1ea3n ph\u1ea9m c\u00f3 t\u00edch h\u1ee3p b\u1ed9 khu\u1ebfch \u0111\u1ea1i t\u00edn hi\u1ec7u \u0111\u1ec3 h\u1ed7 tr\u1ee3 kh\u1ea3 n\u0103ng thu s\u00f3ng t\u1ed1t h\u01a1n. M\u1ed9t s\u1ed1 m\u1eabu hi\u1ec7n \u0111\u1ea1i c\u00f2n h\u1ed7 tr\u1ee3 \u0111i\u1ec1u ch\u1ec9nh g\u00f3c nghi\u00eang, gi\u00fap vi\u1ec7c b\u1eaft t\u00edn hi\u1ec7u ch\u00ednh x\u00e1c h\u01a1n.\u00a0<\/span><\/p>\n

Lo\u1ea1i ngo\u00e0i tr\u1eddi<\/span><\/h3>\n

Kh\u00e1c v\u1edbi thi\u1ebft b\u1ecb thu s\u00f3ng trong nh\u00e0, <\/span>\u0103ng ten<\/b> ngo\u00e0i tr\u1eddi \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ch\u1eafc ch\u1eafn, c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u01b0\u1ee3c th\u1eddi ti\u1ebft kh\u1eafc nghi\u1ec7t nh\u01b0 n\u1eafng, m\u01b0a, gi\u00f3 m\u1ea1nh. \u0110\u00e2y l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1i \u01b0u cho nh\u1eefng khu v\u1ef1c xa tr\u1ea1m ph\u00e1t s\u00f3ng, v\u00f9ng n\u00f4ng th\u00f4n ho\u1eb7c n\u01a1i c\u00f3 nhi\u1ec1u v\u1eadt c\u1ea3n. \u01afu \u0111i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a lo\u1ea1i n\u00e0y l\u00e0 kh\u1ea3 n\u0103ng thu s\u00f3ng m\u1ea1nh, ph\u1ea1m vi thu r\u1ed9ng h\u01a1n v\u00e0 gi\u1ea3m thi\u1ec3u nhi\u1ec5u \u0111\u00e1ng k\u1ec3.<\/span><\/p>\n

\"ang-ten-4\"<\/p>\n

Thi\u1ebft b\u1ecb thu s\u00f3ng ngo\u00e0i tr\u1eddi th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t tr\u00ean n\u00f3c nh\u00e0, c\u1ed9t cao ho\u1eb7c c\u00e1c v\u1ecb tr\u00ed th\u00f4ng tho\u00e1ng, gi\u00fap t\u00edn hi\u1ec7u kh\u00f4ng b\u1ecb ch\u1eafn b\u1edfi c\u00e1c t\u00f2a nh\u00e0 hay c\u00e2y c\u1ed1i. Khi l\u1eafp \u0111\u1eb7t, ng\u01b0\u1eddi d\u00f9ng c\u1ea7n c\u1ed1 \u0111\u1ecbnh ch\u1eafc ch\u1eafn \u0111\u1ec3 tr\u00e1nh b\u1ecb rung l\u1eafc ho\u1eb7c \u0111\u1ed5 ng\u00e3 do gi\u00f3 b\u00e3o. \u0110\u1ed3ng th\u1eddi, d\u00e2y d\u1eabn t\u1eeb thi\u1ebft b\u1ecb thu s\u00f3ng ngo\u00e0i tr\u1eddi xu\u1ed1ng tivi n\u00ean \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn k\u1ef9 c\u00e0ng, tr\u00e1nh \u0111\u1ec3 n\u01b0\u1edbc m\u01b0a ng\u1ea5m ho\u1eb7c b\u1ecb \u0111\u1ed9ng v\u1eadt c\u1eafn ph\u00e1.<\/span><\/p>\n

M\u1ed9t \u0111i\u1ec3m c\u1ea7n l\u01b0u \u00fd l\u00e0 thi\u1ebft b\u1ecb thu s\u00f3ng ngo\u00e0i tr\u1eddi th\u01b0\u1eddng c\u00f3 gi\u00e1 th\u00e0nh cao h\u01a1n so v\u1edbi lo\u1ea1itrong nh\u00e0, \u0111\u1ed3ng th\u1eddi vi\u1ec7c l\u1eafp \u0111\u1eb7t c\u0169ng \u0111\u00f2i h\u1ecfi k\u1ef9 thu\u1eadt v\u00e0 s\u1ef1 c\u1ea9n th\u1eadn cao h\u01a1n. Tuy nhi\u00ean, \u0111\u1ed5i l\u1ea1i, ng\u01b0\u1eddi d\u00f9ng s\u1ebd \u0111\u01b0\u1ee3c t\u1eadn h\u01b0\u1edfng ch\u1ea5t l\u01b0\u1ee3ng h\u00ecnh \u1ea3nh v\u00e0 \u00e2m thanh \u1ed5n \u0111\u1ecbnh, ngay c\u1ea3 trong \u0111i\u1ec1u ki\u1ec7n th\u1eddi ti\u1ebft kh\u00f4ng thu\u1eadn l\u1ee3i.<\/span><\/p>\n

C\u00e1ch ch\u1ecdn d\u00e2y k\u1ebft n\u1ed1i \u0103ng ten v\u1edbi \u0111\u1ea7u thu<\/span><\/h2>\n

D\u00e2y k\u1ebft n\u1ed1i l\u00e0 m\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 quan tr\u1ecdng nh\u01b0ng th\u01b0\u1eddng b\u1ecb nhi\u1ec1u ng\u01b0\u1eddi b\u1ecf qua khi l\u1eafp \u0111\u1eb7t. D\u00e2y ch\u1ea5t l\u01b0\u1ee3ng k\u00e9m c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn suy hao t\u00edn hi\u1ec7u, khi\u1ebfn h\u00ecnh \u1ea3nh b\u1ecb nhi\u1ec5u, gi\u1eadt ho\u1eb7c m\u1ea5t s\u00f3ng ho\u00e0n to\u00e0n. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00edn hi\u1ec7u truy\u1ec1n t\u1eeb thi\u1ebft b\u1ecb thu s\u00f3ng xu\u1ed1ng \u0111\u1ea7u thu \u0111\u01b0\u1ee3c \u1ed5n \u0111\u1ecbnh, d\u00e2y \u0111\u1ed3ng tr\u1ee5c l\u00e0 l\u1ef1a ch\u1ecdn \u01b0u ti\u00ean h\u00e0ng \u0111\u1ea7u.<\/span><\/p>\n

\"ang-ten-5\"<\/p>\n

D\u00e2y \u0111\u1ed3ng tr\u1ee5c c\u00f3 c\u1ea5u tr\u00fac \u0111\u1eb7c bi\u1ec7t v\u1edbi l\u1edbp l\u00f5i \u0111\u1ed3ng, l\u1edbp c\u00e1ch \u0111i\u1ec7n, l\u01b0\u1edbi ch\u1ed1ng nhi\u1ec5u v\u00e0 l\u1edbp v\u1ecf ngo\u00e0i ch\u1eafc ch\u1eafn. Nh\u1edd \u0111\u00f3, d\u00e2y gi\u00fap gi\u1ea3m thi\u1ec3u nhi\u1ec5u s\u00f3ng v\u00e0 duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng t\u00edn hi\u1ec7u t\u1ed1t nh\u1ea5t. Khi ch\u1ecdn d\u00e2y, n\u00ean \u01b0u ti\u00ean c\u00e1c s\u1ea3n ph\u1ea9m c\u00f3 th\u01b0\u01a1ng hi\u1ec7u uy t\u00edn, \u0111\u01b0\u1eddng k\u00ednh l\u00f5i \u0111\u1ed3ng l\u1edbn, l\u1edbp l\u01b0\u1edbi \u0111\u1ed3ng d\u00e0y \u0111\u1ec3 t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng nhi\u1ec5u.<\/span><\/p>\n

\u0110\u1ed3ng th\u1eddi, c\u1ea7n l\u01b0u \u00fd chi\u1ec1u d\u00e0i d\u00e2y: d\u00e2y c\u00e0ng d\u00e0i, t\u00edn hi\u1ec7u c\u00e0ng d\u1ec5 b\u1ecb suy gi\u1ea3m. Do \u0111\u00f3, h\u00e3y t\u00ednh to\u00e1n sao cho d\u00e2y \u0111\u1ee7 d\u00e0i \u0111\u1ec3 thu\u1eadn ti\u1ec7n l\u1eafp \u0111\u1eb7t nh\u01b0ng kh\u00f4ng d\u01b0 th\u1eeba qu\u00e1 nhi\u1ec1u. Trong tr\u01b0\u1eddng h\u1ee3p bu\u1ed9c ph\u1ea3i n\u1ed1i d\u00e2y, n\u00ean s\u1eed d\u1ee5ng c\u00e1c \u0111\u1ea7u n\u1ed1i chuy\u00ean d\u1ee5ng v\u00e0 b\u1ea3o v\u1ec7 b\u1eb1ng b\u0103ng keo c\u00e1ch \u0111i\u1ec7n ho\u1eb7c keo silicon \u0111\u1ec3 tr\u00e1nh \u1ea9m \u01b0\u1edbt v\u00e0 oxy h\u00f3a.<\/span><\/p>\n

H\u01b0\u1edbng d\u1eabn c\u00e1ch k\u1ebft n\u1ed1i \u0103ng ten v\u1edbi \u0111\u1ea7u thu DVB-T2 v\u00e0 tivi<\/span><\/h2>\n

Sau khi ch\u1ecdn \u0111\u01b0\u1ee3c lo\u1ea1i thi\u1ebft b\u1ecb thu s\u00f3ng v\u00e0 d\u00e2y k\u1ebft n\u1ed1i ph\u00f9 h\u1ee3p, b\u01b0\u1edbc ti\u1ebfp theo l\u00e0 th\u1ef1c hi\u1ec7n k\u1ebft n\u1ed1i v\u1edbi \u0111\u1ea7u thu v\u00e0 tivi. Quy tr\u00ecnh n\u00e0y nh\u00ecn chung kh\u00f4ng qu\u00e1 ph\u1ee9c t\u1ea1p nh\u01b0ng c\u1ea7n tu\u00e2n th\u1ee7 \u0111\u00fang c\u00e1c b\u01b0\u1edbc \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3.<\/span><\/p>\n

B\u01b0\u1edbc 1: Tr\u01b0\u1edbc ti\u00ean, l\u1eafp v\u00e0 c\u1ed1 \u0111\u1ecbnh thi\u1ebft b\u1ecb thu s\u00f3ng \u1edf v\u1ecb tr\u00ed \u0111\u00e3 x\u00e1c \u0111\u1ecbnh. V\u1edbi lo\u1ea1i ngo\u00e0i tr\u1eddi, \u0111\u1ea3m b\u1ea3o \u0111\u00e3 c\u1ed1 \u0111\u1ecbnh ch\u1eafc ch\u1eafn tr\u00ean c\u1ed9t ho\u1eb7c m\u00e1i nh\u00e0, tr\u00e1nh rung l\u1eafc. \u0110\u1ed1i v\u1edbi lo\u1ea1i\u00a0 trong nh\u00e0, \u0111\u1eb7t g\u1ea7n c\u1eeda s\u1ed5 ho\u1eb7c v\u1ecb tr\u00ed \u00edt v\u1eadt c\u1ea3n.<\/span><\/p>\n

B\u01b0\u1edbc 2: D\u00f9ng d\u00e2y \u0111\u1ed3ng tr\u1ee5c, c\u1eafm m\u1ed9t \u0111\u1ea7u v\u00e0o c\u1ed5ng \u201cAnten IN\u201d c\u1ee7a \u0111\u1ea7u thu DVB-T2. \u0110\u1ea3m b\u1ea3o \u0111\u1ea7u n\u1ed1i ch\u1eafc ch\u1eafn, kh\u00f4ng b\u1ecb l\u1ecfng ho\u1eb7c r\u1ec9 s\u00e9t. N\u1ebfu thi\u1ebft b\u1ecb thu s\u00f3ng c\u1ea7n ngu\u1ed3n c\u1ea5p 5V, h\u00e3y b\u1eadt ch\u1ebf \u0111\u1ed9 c\u1ea5p ngu\u1ed3n tr\u00ean \u0111\u1ea7u thu.<\/span><\/p>\n

\"ang-ten-6\"<\/p>\n

B\u01b0\u1edbc 3: N\u1ebfu tivi c\u00f3 h\u1ed7 tr\u1ee3 HDMI, k\u1ebft n\u1ed1i qua c\u1ed5ng HDMI \u0111\u1ec3 c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng h\u00ecnh \u1ea3nh t\u1ed1t nh\u1ea5t. C\u00f2n n\u1ebfu tivi \u0111\u1eddi c\u0169, s\u1eed d\u1ee5ng c\u00e1p AV (3 \u0111\u1ea7u \u0111\u1ecf, tr\u1eafng, v\u00e0ng) v\u00e0 c\u1eafm v\u00e0o c\u00e1c c\u1ed5ng t\u01b0\u01a1ng \u1ee9ng.<\/span><\/p>\n

\"ang-ten-7\"<\/p>\n

B\u01b0\u1edbc 4: M\u1edf tivi v\u00e0 chuy\u1ec3n sang ngu\u1ed3n \u0111\u1ea7u v\u00e0o t\u01b0\u01a1ng \u1ee9ng. Tr\u00ean \u0111\u1ea7u thu, ch\u1ecdn ch\u1ee9c n\u0103ng d\u00f2 k\u00eanh t\u1ef1 \u0111\u1ed9ng ho\u1eb7c d\u00f2 th\u1ee7 c\u00f4ng. Ch\u1edd h\u1ec7 th\u1ed1ng t\u00ecm ki\u1ebfm v\u00e0 l\u01b0u l\u1ea1i danh s\u00e1ch c\u00e1c k\u00eanh kh\u1ea3 d\u1ee5ng.<\/span><\/p>\n

\"ang-ten-8\"<\/p>\n

B\u01b0\u1edbc 5: Sau khi d\u00f2 xong, ki\u1ec3m tra m\u1ee9c t\u00edn hi\u1ec7u tr\u00ean m\u00e0n h\u00ecnh (th\u01b0\u1eddng c\u00f3 m\u1ee5c “Info” ho\u1eb7c “Signal” tr\u00ean remote). N\u1ebfu t\u00edn hi\u1ec7u ch\u01b0a \u1ed5n \u0111\u1ecbnh, b\u1ea1n c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh h\u01b0\u1edbng thi\u1ebft b\u1ecb thu s\u00f3ng ho\u1eb7c v\u1ecb tr\u00ed \u0111\u1ec3 \u0111\u1ea1t ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t h\u01a1n.<\/span><\/p>\n

\"ang-ten-9\"<\/p>\n

Nh\u1eefng l\u01b0u \u00fd quan tr\u1ecdng khi l\u1eafp \u0111\u1eb7t \u0103ng ten t\u1ea1i nh\u00e0<\/span><\/h2>\n

L\u1eafp \u0111\u1eb7t thi\u1ebft b\u1ecb thu s\u00f3ng t\u01b0\u1edfng ch\u1eebng \u0111\u01a1n gi\u1ea3n nh\u01b0ng th\u1ef1c t\u1ebf l\u1ea1i c\u00f3 r\u1ea5t nhi\u1ec1u chi ti\u1ebft c\u1ea7n l\u01b0u \u00fd \u0111\u1ec3 tr\u00e1nh s\u1ef1 c\u1ed1, h\u1ecfng h\u00f3c, ho\u1eb7c gi\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng t\u00edn hi\u1ec7u.\u00a0<\/span><\/p>\n

Khi l\u1eafp \u0111\u1eb7t \u0103ng ten<\/span><\/h3>\n

Trong qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t, y\u1ebfu t\u1ed1 an to\u00e0n lu\u00f4n \u0111\u01b0\u1ee3c \u0111\u1eb7t l\u00ean h\u00e0ng \u0111\u1ea7u. V\u1edbi thi\u1ebft b\u1ecb thu s\u00f3ng ngo\u00e0i tr\u1eddi, h\u00e3y ch\u1ecdn th\u1eddi ti\u1ebft kh\u00f4 r\u00e1o, tr\u00e1nh m\u01b0a gi\u00f3 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n \u0111i\u1ec7n v\u00e0 tr\u00e1nh tr\u01b0\u1ee3t ng\u00e3. \u0110\u1ea3m b\u1ea3o thi\u1ebft b\u1ecb thu s\u00f3ng \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh ch\u1eafc ch\u1eafn b\u1eb1ng v\u00edt ho\u1eb7c d\u00e2y c\u00e1p ch\u1ed1ng rung l\u1eafc.<\/span><\/p>\n

\"ang-ten-10\"<\/p>\n

Ngo\u00e0i ra, v\u1ecb tr\u00ed n\u00ean tr\u00e1nh xa d\u00e2y \u0111i\u1ec7n, tr\u1ea1m bi\u1ebfn \u00e1p ho\u1eb7c khu v\u1ef1c d\u1ec5 b\u1ecb s\u00e9t \u0111\u00e1nh. N\u1ebfu c\u1ea7n thi\u1ebft, n\u00ean l\u1eafp th\u00eam h\u1ec7 th\u1ed1ng ch\u1ed1ng s\u00e9t \u0111\u1ec3 b\u1ea3o v\u1ec7 thi\u1ebft b\u1ecb v\u00e0 ng\u01b0\u1eddi s\u1eed d\u1ee5ng. \u0110\u1ed1i v\u1edbi thi\u1ebft b\u1ecb thu s\u00f3ng trong nh\u00e0, tuy \u00edt r\u1ee7i ro h\u01a1n nh\u01b0ng v\u1eabn c\u1ea7n tr\u00e1nh \u0111\u1eb7t g\u1ea7n c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed c\u00f4ng su\u1ea5t l\u1edbn \u0111\u1ec3 gi\u1ea3m nhi\u1ec5u.<\/span><\/p>\n

M\u1ed9t \u0111i\u1ec3m quan tr\u1ecdng kh\u00e1c l\u00e0 lu\u00f4n ki\u1ec3m tra v\u00e0 \u0111\u1ea3m b\u1ea3o g\u00f3c h\u01b0\u1edbng anten \u0111\u00fang v\u1edbi tr\u1ea1m ph\u00e1t s\u00f3ng. Vi\u1ec7c n\u00e0y gi\u00fap tr\u00e1nh hi\u1ec7n t\u01b0\u1ee3ng “\u0111\u01b0\u1ee3c k\u00eanh n\u00e0y m\u1ea5t k\u00eanh kia” v\u00e0 t\u0103ng s\u1ed1 l\u01b0\u1ee3ng k\u00eanh thu \u0111\u01b0\u1ee3c.<\/span><\/p>\n

Khi ch\u1ecdn d\u00e2y k\u1ebft n\u1ed1i \u0103ng ten v\u1edbi \u0111\u1ea7u thu<\/span><\/h3>\n

D\u00e2y k\u1ebft n\u1ed1i \u0111\u00f3ng vai tr\u00f2 d\u1eabn truy\u1ec1n t\u00edn hi\u1ec7u quan tr\u1ecdng t\u1eeb thi\u1ebft b\u1ecb thu s\u00f3ng \u0111\u1ebfn \u0111\u1ea7u thu. V\u00ec v\u1eady, h\u00e3y ki\u1ec3m tra k\u1ef9 ch\u1ea5t l\u01b0\u1ee3ng d\u00e2y tr\u01b0\u1edbc khi s\u1eed d\u1ee5ng. Tr\u00e1nh s\u1eed d\u1ee5ng d\u00e2y \u0111\u00e3 c\u0169, c\u00f3 d\u1ea5u hi\u1ec7u r\u1ec9 s\u00e9t, n\u1ee9t g\u00e3y ho\u1eb7c l\u1ecfng l\u1ebbo \u1edf \u0111\u1ea7u n\u1ed1i.<\/span><\/p>\n

\"ang-ten-11\"<\/p>\n

Ngo\u00e0i ra, khi l\u1eafp \u0111\u1eb7t d\u00e2y, c\u1ea7n tr\u00e1nh c\u00e1c \u0111o\u1ea1n g\u1eadp g\u00e3y ho\u1eb7c u\u1ed1n cong g\u1eaft. Nh\u1eefng v\u1ecb tr\u00ed n\u00e0y d\u1ec5 khi\u1ebfn d\u00e2y b\u1ecb \u0111\u1ee9t l\u00f5i \u0111\u1ed3ng b\u00ean trong, g\u00e2y suy hao t\u00edn hi\u1ec7u v\u00e0 gi\u1ea3m tu\u1ed5i th\u1ecd d\u00e2y. \u0110\u1eb7c bi\u1ec7t, \u1edf khu v\u1ef1c ngo\u00e0i tr\u1eddi, c\u1ea7n b\u1ea3o v\u1ec7 \u0111\u1ea7u n\u1ed1i b\u1eb1ng b\u0103ng keo c\u00e1ch \u0111i\u1ec7n ho\u1eb7c keo silicon \u0111\u1ec3 ch\u1ed1ng n\u01b0\u1edbc v\u00e0 ch\u1ed1ng oxy h\u00f3a.<\/span><\/p>\n

Cu\u1ed1i c\u00f9ng, n\u1ebfu ph\u1ea3i k\u00e9o d\u00e2y qua t\u01b0\u1eddng ho\u1eb7c tr\u1ea7n nh\u00e0, n\u00ean s\u1eed d\u1ee5ng \u1ed1ng b\u1ea3o v\u1ec7 chuy\u00ean d\u1ee5ng \u0111\u1ec3 tr\u00e1nh c\u00f4n tr\u00f9ng c\u1eafn ph\u00e1 ho\u1eb7c t\u00e1c \u0111\u1ed9ng c\u01a1 h\u1ecdc g\u00e2y h\u1ecfng d\u00e2y. Vi\u1ec7c \u0111\u1ea7u t\u01b0 k\u1ef9 l\u01b0\u1ee1ng v\u00e0o d\u00e2y v\u00e0 c\u00e1ch b\u1ea3o v\u1ec7 d\u00e2y s\u1ebd gi\u00fap h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng b\u1ec1n b\u1ec9, t\u00edn hi\u1ec7u truy\u1ec1n h\u00ecnh lu\u00f4n \u1ed5n \u0111\u1ecbnh.<\/span><\/p>\n

L\u1eddi k\u1ebft<\/span><\/h2>\n

Vi\u1ec7c l\u1eafp \u0111\u1eb7t <\/span>\u0103ng ten<\/b> DVB-T2 kh\u00f4ng ch\u1ec9 gi\u00fap ti\u1ebft ki\u1ec7m chi ph\u00ed xem truy\u1ec1n h\u00ecnh m\u00e0 c\u00f2n mang l\u1ea1i tr\u1ea3i nghi\u1ec7m h\u00ecnh \u1ea3nh v\u00e0 \u00e2m thanh ch\u1ea5t l\u01b0\u1ee3ng cao. Tuy nhi\u00ean, \u0111\u1ec3 \u0111\u1ea1t hi\u1ec7u qu\u1ea3 t\u1ed1i \u01b0u, c\u1ea7n l\u1ef1a ch\u1ecdn \u0111\u00fang lo\u1ea1i thi\u1ebft b\u1ecb thu s\u00f3ng, x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed ph\u00f9 h\u1ee3p v\u00e0 s\u1eed d\u1ee5ng d\u00e2y k\u1ebft n\u1ed1i ch\u1ea5t l\u01b0\u1ee3ng. Hy v\u1ecdng b\u00e0i vi\u1ebft n\u00e0y \u0111\u00e3 cung c\u1ea5p \u0111\u1ea7y \u0111\u1ee7 th\u00f4ng tin chi ti\u1ebft v\u00e0 th\u1ef1c t\u1ebf, gi\u00fap b\u1ea1n d\u1ec5 d\u00e0ng t\u1ef1 th\u1ef1c hi\u1ec7n t\u1ea1i nh\u00e0 m\u00e0 kh\u00f4ng c\u1ea7n thu\u00ea th\u1ee3.\u00a0<\/span><\/p>\n

XEM TH\u00caM:<\/strong><\/p>\n

TV360 \u2013 Xem truy\u1ec1n h\u00ecnh tr\u1ef1c tuy\u1ebfn Viettel mi\u1ec5n ph\u00ed<\/a><\/strong><\/p>\n

HiTV cho Android \u2013 Xem phim v\u00e0 TV Show H\u00e0n Qu\u1ed1c<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

Trong th\u1eddi \u0111\u1ea1i truy\u1ec1n h\u00ecnh k\u1ef9 thu\u1eadt s\u1ed1 ph\u00e1t tri\u1ec3n m\u1ea1nh m\u1ebd, vi\u1ec7c s\u1eed d\u1ee5ng \u0103ng ten DVB-T2 \u0111ang tr\u1edf th\u00e0nh xu h\u01b0\u1edbng ph\u1ed5 bi\u1ebfn \u0111\u1ec3 xem c\u00e1c k\u00eanh truy\u1ec1n h\u00ecnh mi\u1ec5n ph\u00ed v\u1edbi ch\u1ea5t l\u01b0\u1ee3ng cao. Tuy nhi\u00ean, kh\u00f4ng ph\u1ea3i ai c\u0169ng hi\u1ec3u r\u00f5 c\u00e1ch l\u1eafp \u0111\u1eb7t thi\u1ebft b\u1ecb thu s\u00f3ng \u0111\u00fang c\u00e1ch \u0111\u1ec3 […]<\/p>\n","protected":false},"author":65,"featured_media":474734,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[29235,3910],"tags":[],"class_list":["post-474733","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-goc-to-mo","category-kham-pha"],"yoast_head":"\nH\u01b0\u1edbng d\u1eabn c\u00e1ch l\u1eafp \u0103ng ten \u0111\u1ec3 b\u1eaft k\u00eanh DVB-T2 nhanh nh\u1ea5t<\/title>\n<meta name=\"description\" content=\"Ho\u00e0ng H\u00e0 Mobile s\u1ebd h\u01b0\u1edbng d\u1eabn chi ti\u1ebft c\u00e1ch l\u1eafp \u0103ng ten \u0111\u1ec3 b\u1eaft k\u00eanh DVB-T2 c\u1ea3 trong nh\u00e0 l\u1eabn ngo\u00e0i tr\u1eddi ngay sau \u0111\u00e2y.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hoanghamobile.com\/tin-tuc\/ang-ten\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"H\u01b0\u1edbng d\u1eabn c\u00e1ch l\u1eafp \u0103ng ten \u0111\u1ec3 b\u1eaft k\u00eanh DVB-T2 trong nh\u00e0, ngo\u00e0i tr\u1eddi\" \/>\n<meta property=\"og:description\" content=\"Ho\u00e0ng H\u00e0 Mobile s\u1ebd h\u01b0\u1edbng d\u1eabn chi ti\u1ebft c\u00e1ch l\u1eafp \u0103ng ten \u0111\u1ec3 b\u1eaft k\u00eanh DVB-T2 c\u1ea3 trong nh\u00e0 l\u1eabn ngo\u00e0i tr\u1eddi ngay sau \u0111\u00e2y.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/hoanghamobile.com\/tin-tuc\/ang-ten\/\" \/>\n<meta property=\"og:site_name\" content=\"Tin t\u1ee9c c\u00f4ng ngh\u1ec7 - 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