{"id":17192,"date":"2018-10-23T20:15:13","date_gmt":"2018-10-23T13:15:13","guid":{"rendered":"https:\/\/tmp.phongvu.vn\/?p=17192"},"modified":"2018-10-23T20:15:13","modified_gmt":"2018-10-23T13:15:13","slug":"1200922-2","status":"publish","type":"post","link":"https:\/\/tmp.phongvu.vn\/hoi-dap\/1200922-2\/","title":{"rendered":"1200922"},"content":{"rendered":"

Gi\u1edbi thi\u1ec7u C\u00e1p \u0111\u1ed3ng tr\u1ee5c (m\u00e9t) \u00a0\u00a0\u00a0<\/strong><\/h2>\n

C\u00e1p \u0111\u1ed3ng tr\u1ee5c l\u00e0 m\u1ed9t lo\u1ea1i c\u00e1p \u0111i\u1ec7n c\u00f3 m\u1ed9t d\u00e2y d\u1eabn b\u00ean trong \u0111\u01b0\u1ee3c bao quanh b\u1edfi m\u1ed9t l\u1edbp c\u00e1ch \u0111i\u1ec7n h\u00ecnh \u1ed1ng v\u00e0 c\u00f3 l\u1edbp v\u1ecf ngo\u00e0i \u0111\u01b0\u1ee3c b\u1ecdc v\u1ecf c\u00e1ch nhi\u1ec7t. C\u00e1p \u0111\u1ed3ng tr\u1ee5c k\u1ebft c\u1ea5u v\u1edbi d\u00e2y d\u1eabn b\u00ean trong v\u00e0 l\u00e1 ch\u1eafn b\u00ean ngo\u00e0i t\u1ea1o th\u00e0nh m\u1ed9t tr\u1ee5c h\u00ecnh h\u1ecdc.<\/p>\n

C\u00e1p \u0111\u1ed3ng tr\u1ee5c th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m \u0111\u01b0\u1eddng truy\u1ec1n cho t\u00edn hi\u1ec7u s\u00f3ng v\u00f4 tuy\u1ebfn nh\u01b0 ti vi, truy\u1ec1n h\u00ecnh c\u00e1p,… C\u00e1p \u0111\u1ed3ng tr\u1ee5c bao g\u1ed3m c\u00e1c feedlines k\u1ebft n\u1ed1i c\u00e1c m\u00e1y ph\u00e1t v\u00e0 thu v\u00f4 tuy\u1ebfn v\u1edbi \u0103ng-ten, \u00e2m thanh k\u1ef9 thu\u1eadt s\u1ed1 (S\/PDIF) v\u00e0 ph\u00e2n ph\u1ed1i c\u00e1c t\u00edn hi\u1ec7u truy\u1ec1n h\u00ecnh c\u00e1p.<\/p>\n

\"C\u00e1p<\/p>\n

\u0110\u1eb7c t\u00ednh c\u1ee7a c\u00e1p \u0111\u1ed3ng tr\u1ee5c<\/strong><\/h3>\n

– C\u00e1p \u0111\u1ed3ng tr\u1ee5c c\u00f3 k\u1ebft c\u1ea5u l\u1edbp d\u1eabn \u0111i\u1ec7n trung t\u00e2m l\u00e0 m\u1ed9t d\u00e2y d\u1eabn \u0111\u1ed3ng r\u1eafn.\u00a0M\u1ed9t l\u1edbp \u0111i\u1ec7n m\u00f4i, t\u1ea1o th\u00e0nh t\u1eeb m\u1ed9t v\u1eadt li\u1ec7u c\u00e1ch \u0111i\u1ec7n bao quanh d\u00e2y.\u00a0M\u1ed9t l\u1edbp l\u00e1 ch\u1eafn sau bao quanh l\u1edbp \u0111i\u1ec7n m\u00f4i v\u1edbi l\u01b0\u1edbi \u0111\u1ed3ng b\u1ec7n.\u00a0To\u00e0n b\u1ed9 l\u1eafp r\u00e1p \u0111\u01b0\u1ee3c b\u1ecdc trong m\u1ed9t l\u1edbp v\u1ecf c\u00e1ch \u0111i\u1ec7n.\u00a0L\u1edbp v\u1ecf b\u1ecdc kim lo\u1ea1i b\u00ean ngo\u00e0i c\u1ee7a c\u00e1p \u0111\u1ed3ng tr\u1ee5c th\u01b0\u1eddng \u0111\u01b0\u1ee3c n\u1ed1i \u0111\u1ea5t trong c\u00e1c \u0111\u1ea7u n\u1ed1i \u1edf c\u1ea3 hai \u0111\u1ea7u \u0111\u1ec3 che ch\u1eafn c\u00e1c t\u00edn hi\u1ec7u v\u00e0 l\u00e0 n\u01a1i \u0111\u1ec3 t\u00edn hi\u1ec7u nhi\u1ec5u \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng v\u00e1 ti\u00eau tan.<\/p>\n

\"C\u00e1p<\/p>\n

– C\u00e1p \u0111\u1ed3ng tr\u1ee5c c\u00f3 c\u00e1c l\u1edbp d\u1eabn \u0111i\u1ec7n \u0111\u1ed3ng t\u00e2m v\u00e0 v\u1eadt li\u1ec7u c\u00e1ch \u0111i\u1ec7n.\u00a0C\u1ea5u tr\u00fac n\u00e0y \u0111\u1ea3m b\u1ea3o c\u00e1c t\u00edn hi\u1ec7u \u0111\u01b0\u1ee3c \u0111\u1eb7t trong c\u00e1p v\u00e0 ng\u0103n nhi\u1ec5u \u0111i\u1ec7n t\u1eeb g\u00e2y nhi\u1ec5u t\u00edn hi\u1ec7u.<\/p>\n

– \u0110\u01b0\u1ee3c c\u1ea5u t\u1ea1o hai tr\u1edf kh\u00e1ng \u0111\u1eb7c tr\u01b0ng v\u1edbi ti\u00eau chu\u1ea9n 75 ohm \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn cho c\u00e1c k\u1ebft n\u1ed1i t\u1edbi \u0103ng-ten v\u00e0 l\u1eafp \u0111\u1eb7t t\u1ea1i khu d\u00e2n c\u01b0.<\/p>\n

\"C\u00e1p<\/p>\n

M\u1ed9t s\u1ed1 v\u1ea5n \u0111\u1ec1 khi s\u1eed d\u1ee5ng c\u00e1p \u0111\u1ed3ng tr\u1ee5c<\/strong><\/h3>\n

– Trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng, c\u00e1p \u0111\u1ed3ng tr\u1ee5c c\u00f3 th\u1ec3 g\u1eb7p nhi\u1ec1u d\u1ea1ng nhi\u1ec5u kh\u00e1c nhau ph\u1ee5 thu\u1ed9c v\u00e0o m\u00f4i tr\u01b0\u1eddng s\u1eed d\u1ee5ng, c\u00e1ch s\u1eed d\u1ee5ng,…<\/p>\n

– Vi\u1ec7c r\u00f2 r\u1ec9 t\u00edn hi\u1ec7u x\u1ea3y ra khi tr\u01b0\u1eddng \u0111i\u1ec7n t\u1eeb truy\u1ec1n qua che ch\u1eafn b\u00ean ngo\u00e0i c\u00e1p.\u00a0Trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p kh\u00e1c, t\u00edn hi\u1ec7u b\u00ean ngo\u00e0i c\u00f3 th\u1ec3 r\u00f2 r\u1ec9 qua l\u1edbp c\u00e1ch nhi\u1ec7t.\u00a0Tuy nhi\u00ean, t\u1ec9 l\u1ec7 x\u1ea3y ra vi\u1ec7c r\u00f2 r\u1ec9 t\u00edn hi\u1ec7u r\u1ea5t th\u1ea5p.<\/p>\n","protected":false},"excerpt":{"rendered":"

Gi\u1edbi thi\u1ec7u C\u00e1p \u0111\u1ed3ng tr\u1ee5c (m\u00e9t) \u00a0\u00a0\u00a0 C\u00e1p \u0111\u1ed3ng tr\u1ee5c l\u00e0 m\u1ed9t lo\u1ea1i c\u00e1p \u0111i\u1ec7n c\u00f3 m\u1ed9t d\u00e2y d\u1eabn b\u00ean trong \u0111\u01b0\u1ee3c bao quanh b\u1edfi m\u1ed9t...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[18],"tags":[],"_links":{"self":[{"href":"https:\/\/tmp.phongvu.vn\/hoi-dap\/wp-json\/wp\/v2\/posts\/17192"}],"collection":[{"href":"https:\/\/tmp.phongvu.vn\/hoi-dap\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tmp.phongvu.vn\/hoi-dap\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tmp.phongvu.vn\/hoi-dap\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tmp.phongvu.vn\/hoi-dap\/wp-json\/wp\/v2\/comments?post=17192"}],"version-history":[{"count":1,"href":"https:\/\/tmp.phongvu.vn\/hoi-dap\/wp-json\/wp\/v2\/posts\/17192\/revisions"}],"predecessor-version":[{"id":17197,"href":"https:\/\/tmp.phongvu.vn\/hoi-dap\/wp-json\/wp\/v2\/posts\/17192\/revisions\/17197"}],"wp:attachment":[{"href":"https:\/\/tmp.phongvu.vn\/hoi-dap\/wp-json\/wp\/v2\/media?parent=17192"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tmp.phongvu.vn\/hoi-dap\/wp-json\/wp\/v2\/categories?post=17192"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tmp.phongvu.vn\/hoi-dap\/wp-json\/wp\/v2\/tags?post=17192"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}