{"id":43455,"date":"2024-07-08T18:16:15","date_gmt":"2024-07-08T11:16:15","guid":{"rendered":"https:\/\/hocvienit.vn\/?p=43455"},"modified":"2024-07-08T18:16:15","modified_gmt":"2024-07-08T11:16:15","slug":"tim-hieu-ve-mach-khuech-dai-dao-nguoc-su-dung-op-amp","status":"publish","type":"post","link":"https:\/\/hocvienit.vn\/?p=43455","title":{"rendered":"T\u00ecm hi\u1ec3u v\u1ec1 m\u1ea1ch khu\u1ebfch \u0111\u1ea1i \u0111\u1ea3o ng\u01b0\u1ee3c s\u1eed d\u1ee5ng Op-amp"},"content":{"rendered":"<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">M\u1ea1ch khu\u1ebfch \u0111\u1ea1i \u0111\u1ea3o ng\u01b0\u1ee3c cho ph\u00e9p \u0111\u1ea7u ra c\u1ee7a n\u00f3 c\u00f3 d\u1ea1ng s\u00f3ng ng\u01b0\u1ee3c pha so v\u1edbi \u0111\u1ea7u v\u00e0o. Nh\u1edd \u0111\u00f3, ch\u00fang ta c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng khu\u1ebfch \u0111\u1ea1i t\u00edn hi\u1ec7u \u0111\u1ea7u v\u00e0o v\u1edbi m\u1ed9t h\u1ec7 s\u1ed1 t\u0103ng (\u0111\u1ed9 l\u1ee3i) c\u1ee5 th\u1ec3, trong khi \u0111\u1ea3o ng\u01b0\u1ee3c pha c\u1ee7a n\u00f3. Trong b\u00e0i vi\u1ebft n\u00e0y, H\u1ecdc vi\u1ec7n iT.vn s\u1ebd chia s\u1ebb t\u1edbi c\u00e1c b\u1ea1n chi ti\u1ebft v\u1ec1 m\u1ea1ch khu\u1ebfch \u0111\u1ea1i \u0111\u1ea3o ng\u01b0\u1ee3c s\u1eed d\u1ee5ng Op-amp nh\u00e9!<\/span><\/p>\n<figure id=\"attachment_43457\" aria-describedby=\"caption-attachment-43457\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-43457 size-full\" title=\"T\u00ecm hi\u1ec3u v\u1ec1 m\u1ea1ch khu\u1ebfch \u0111\u1ea1i \u0111\u1ea3o ng\u01b0\u1ee3c s\u1eed d\u1ee5ng Op-amp\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2024\/07\/tim-hieu-ve-mach-khuech-dai-dao-nguoc-su-dung-op-amp.jpg\" alt=\"T\u00ecm hi\u1ec3u v\u1ec1 m\u1ea1ch khu\u1ebfch \u0111\u1ea1i \u0111\u1ea3o ng\u01b0\u1ee3c s\u1eed d\u1ee5ng Op-amp\" width=\"750\" height=\"400\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2024\/07\/tim-hieu-ve-mach-khuech-dai-dao-nguoc-su-dung-op-amp.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2024\/07\/tim-hieu-ve-mach-khuech-dai-dao-nguoc-su-dung-op-amp-300x160.jpg 300w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2024\/07\/tim-hieu-ve-mach-khuech-dai-dao-nguoc-su-dung-op-amp-510x272.jpg 510w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-43457\" class=\"wp-caption-text\">T\u00ecm hi\u1ec3u v\u1ec1 m\u1ea1ch khu\u1ebfch \u0111\u1ea1i \u0111\u1ea3o ng\u01b0\u1ee3c s\u1eed d\u1ee5ng Op-amp<\/figcaption><\/figure>\n<p style=\"text-align: justify; padding-left: 40px;\"><span style=\"font-weight: 400;\">Xem th\u00eam: <\/span><a href=\"https:\/\/hocvienit.vn\/mach-logic-mach-khuech-dai-va-mach-nguon-xung\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Chia s\u1ebb v\u1ec1 m\u1ea1ch logic, m\u1ea1ch khu\u1ebfch \u0111\u1ea1i v\u00e0 m\u1ea1ch ngu\u1ed3n xung<\/span><\/a><\/p>\n<h2 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">M\u1ea1ch khu\u1ebfch \u0111\u1ea1i \u0111\u1ea3o ng\u01b0\u1ee3c s\u1eed d\u1ee5ng Op-amp l\u00e0 g\u00ec?<\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">B\u1ed9 khu\u1ebfch \u0111\u1ea1i \u0111\u1ea3o ng\u01b0\u1ee3c s\u1eed d\u1ee5ng Op-amp l\u00e0 m\u1ea1ch \u0111i\u1ec7n t\u1eed khu\u1ebfch \u0111\u1ea1i t\u00edn hi\u1ec7u \u0111\u1ea7u v\u00e0o theo t\u1ef7 l\u1ec7 \u00e2m v\u00e0 \u0111\u1ea3o pha. N\u00f3i c\u00e1ch kh\u00e1c, t\u00edn hi\u1ec7u \u0111\u1ea7u ra s\u1ebd c\u00f3 c\u00f9ng \u0111\u1ed9 l\u1edbn nh\u01b0ng ng\u01b0\u1ee3c pha so v\u1edbi t\u00edn hi\u1ec7u \u0111\u1ea7u v\u00e0o.<\/span><\/p>\n<figure id=\"attachment_43458\" aria-describedby=\"caption-attachment-43458\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-43458 size-full\" title=\"M\u1ea1ch khu\u1ebfch \u0111\u1ea1i \u0111\u1ea3o ng\u01b0\u1ee3c s\u1eed d\u1ee5ng Op-amp\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2024\/07\/tim-hieu-ve-mach-khuech-dai-dao-nguoc-su-dung-op-amp-1.jpg\" alt=\"M\u1ea1ch khu\u1ebfch \u0111\u1ea1i \u0111\u1ea3o ng\u01b0\u1ee3c s\u1eed d\u1ee5ng Op-amp\" width=\"750\" height=\"400\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2024\/07\/tim-hieu-ve-mach-khuech-dai-dao-nguoc-su-dung-op-amp-1.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2024\/07\/tim-hieu-ve-mach-khuech-dai-dao-nguoc-su-dung-op-amp-1-300x160.jpg 300w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2024\/07\/tim-hieu-ve-mach-khuech-dai-dao-nguoc-su-dung-op-amp-1-510x272.jpg 510w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-43458\" class=\"wp-caption-text\">M\u1ea1ch khu\u1ebfch \u0111\u1ea1i \u0111\u1ea3o ng\u01b0\u1ee3c s\u1eed d\u1ee5ng Op-amp<\/figcaption><\/figure>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">B\u1ed9 khu\u1ebfch \u0111\u1ea1i \u0111\u1ea3o ng\u01b0\u1ee3c c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng trong th\u1ef1c t\u1ebf nh\u01b0: khu\u1ebfch \u0111\u1ea1i t\u00edn hi\u1ec7u \u00e2m thanh, l\u1ecdc t\u00edn hi\u1ec7u, t\u1ea1o dao \u0111\u1ed9ng, ch\u1ebf t\u1ea1o m\u1ea1ch t\u00edch h\u1ee3p,&#8230;<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">C\u1ea5u t\u1ea1o c\u1ee7a m\u1ea1ch khu\u1ebfch \u0111\u1ea1i \u0111\u1ea3o ng\u01b0\u1ee3c s\u1eed d\u1ee5ng Op-amp bao g\u1ed3m:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Op-amp (b\u1ed9 khu\u1ebfch \u0111\u1ea1i ho\u1ea1t \u0111\u1ed9ng)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110i\u1ec7n tr\u1edf \u0111\u1ea7u v\u00e0o (R1)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110i\u1ec7n tr\u1edf ph\u1ea3n h\u1ed3i (Rf)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110i\u1ec7n tr\u1edf t\u1ea3i (RL)<\/span><\/li>\n<\/ul>\n<h2 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u1ea1ch khu\u1ebfch \u0111\u1ea1i \u0111\u1ea3o ng\u01b0\u1ee3c s\u1eed d\u1ee5ng Op-amp<\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Op-amp ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean t\u1eafc so s\u00e1nh \u0111i\u1ec7n \u00e1p gi\u1eefa hai \u0111\u1ea7u v\u00e0o. Trong b\u1ed9 khu\u1ebfch \u0111\u1ea1i \u0111\u1ea3o ng\u01b0\u1ee3c, t\u00edn hi\u1ec7u \u0111\u1ea7u v\u00e0o \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi \u0111\u1ea7u v\u00e0o \u0111\u1ea3o ng\u01b0\u1ee3c (-) c\u1ee7a Op-amp, v\u00e0 \u0111i\u1ec7n \u00e1p \u0111\u1ea7u ra \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi \u0111\u1ea7u v\u00e0o kh\u00f4ng \u0111\u1ea3o (+) qua \u0111i\u1ec7n tr\u1edf ph\u1ea3n h\u1ed3i (Rf). Op-amp s\u1ebd \u0111i\u1ec1u ch\u1ec9nh \u0111i\u1ec7n \u00e1p \u0111\u1ea7u ra sao cho \u0111i\u1ec7n \u00e1p t\u1ea1i hai \u0111\u1ea7u v\u00e0o b\u1eb1ng nhau.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Do \u0111i\u1ec7n \u00e1p \u0111\u1ea7u v\u00e0o \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi \u0111\u1ea7u v\u00e0o \u0111\u1ea3o ng\u01b0\u1ee3c (-) n\u00ean pha c\u1ee7a t\u00edn hi\u1ec7u \u0111\u1ea7u v\u00e0o s\u1ebd \u0111\u01b0\u1ee3c \u0111\u1ea3o ng\u01b0\u1ee3c so v\u1edbi t\u00edn hi\u1ec7u \u0111\u1ea7u ra.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u0110\u1ed9 l\u1ee3i (Av) c\u1ee7a b\u1ed9 khu\u1ebfch \u0111\u1ea1i \u0111\u1ea3o ng\u01b0\u1ee3c \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng c\u00f4ng th\u1ee9c:<\/span><\/p>\n<p style=\"text-align: center;\"><strong>Av = &#8211; Rf \/ R1<\/strong><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">T\u1eeb c\u00f4ng th\u1ee9c tr\u00ean, ta c\u00f3 th\u1ec3 th\u1ea5y \u0111\u1ed9 l\u1ee3i (Av) c\u1ee7a b\u1ed9 khu\u1ebfch \u0111\u1ea1i \u0111\u1ea3o ng\u01b0\u1ee3c ph\u1ee5 thu\u1ed9c v\u00e0o t\u1ef7 l\u1ec7 gi\u1eefa \u0111i\u1ec7n tr\u1edf ph\u1ea3n h\u1ed3i (Rf) v\u00e0 \u0111i\u1ec7n tr\u1edf \u0111\u1ea7u v\u00e0o (R1).<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">N\u1ebfu Rf &gt;&gt; R1, \u0111\u1ed9 l\u1ee3i s\u1ebd l\u1edbn.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">N\u1ebfu Rf &lt;&lt; R1, \u0111\u1ed9 l\u1ee3i s\u1ebd nh\u1ecf.<\/span><\/li>\n<\/ul>\n<figure id=\"attachment_43460\" aria-describedby=\"caption-attachment-43460\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-43460 size-full\" title=\"C\u00e1c d\u1ea1ng s\u00f3ng \u0111\u1ea7u v\u00e0o v\u00e0 \u0111\u1ea7u ra c\u1ee7a b\u1ed9 khu\u1ebfch \u0111\u1ea1i \u0111\u1ea3o ng\u01b0\u1ee3c s\u1eed d\u1ee5ng Op-amp\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2024\/07\/tim-hieu-ve-mach-khuech-dai-dao-nguoc-su-dung-op-amp-2.jpg\" alt=\"C\u00e1c d\u1ea1ng s\u00f3ng \u0111\u1ea7u v\u00e0o v\u00e0 \u0111\u1ea7u ra c\u1ee7a b\u1ed9 khu\u1ebfch \u0111\u1ea1i \u0111\u1ea3o ng\u01b0\u1ee3c s\u1eed d\u1ee5ng Op-amp\" width=\"750\" height=\"400\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2024\/07\/tim-hieu-ve-mach-khuech-dai-dao-nguoc-su-dung-op-amp-2.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2024\/07\/tim-hieu-ve-mach-khuech-dai-dao-nguoc-su-dung-op-amp-2-300x160.jpg 300w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2024\/07\/tim-hieu-ve-mach-khuech-dai-dao-nguoc-su-dung-op-amp-2-510x272.jpg 510w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-43460\" class=\"wp-caption-text\">C\u00e1c d\u1ea1ng s\u00f3ng \u0111\u1ea7u v\u00e0o v\u00e0 \u0111\u1ea7u ra c\u1ee7a b\u1ed9 khu\u1ebfch \u0111\u1ea1i \u0111\u1ea3o ng\u01b0\u1ee3c s\u1eed d\u1ee5ng Op-amp<\/figcaption><\/figure>\n<h2 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">V\u00ed d\u1ee5 v\u1ec1 m\u1ea1ch khu\u1ebfch \u0111\u1ea1i \u0111\u1ea3o ng\u01b0\u1ee3c s\u1eed d\u1ee5ng uA741<\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">M\u1ea1ch khu\u1ebfch \u0111\u1ea1i \u0111\u1ea3o ng\u01b0\u1ee3c \u0111\u01a1n gi\u1ea3n s\u1eed d\u1ee5ng IC uA741 \u0111\u01b0\u1ee3c c\u1ea5u t\u1ea1o nh\u01b0 sau:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">IC uA741<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110i\u1ec7n tr\u1edf R1 = 1k\u03a9<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110i\u1ec7n tr\u1edf Rf = 10k\u03a9<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110i\u1ec7n tr\u1edf t\u1ea3i RL = loa ho\u1eb7c b\u1ed9 khu\u1ebfch \u0111\u1ea1i ti\u1ebfp theo<\/span><\/li>\n<\/ul>\n<figure id=\"attachment_43459\" aria-describedby=\"caption-attachment-43459\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-43459 size-full\" title=\"M\u1ea1ch khu\u1ebfch \u0111\u1ea1i \u0111\u1ea3o ng\u01b0\u1ee3c s\u1eed d\u1ee5ng uA741\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2024\/07\/tim-hieu-ve-mach-khuech-dai-dao-nguoc-su-dung-op-amp-3.jpg\" alt=\"M\u1ea1ch khu\u1ebfch \u0111\u1ea1i \u0111\u1ea3o ng\u01b0\u1ee3c s\u1eed d\u1ee5ng uA741\" width=\"750\" height=\"400\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2024\/07\/tim-hieu-ve-mach-khuech-dai-dao-nguoc-su-dung-op-amp-3.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2024\/07\/tim-hieu-ve-mach-khuech-dai-dao-nguoc-su-dung-op-amp-3-300x160.jpg 300w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2024\/07\/tim-hieu-ve-mach-khuech-dai-dao-nguoc-su-dung-op-amp-3-510x272.jpg 510w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-43459\" class=\"wp-caption-text\">M\u1ea1ch khu\u1ebfch \u0111\u1ea1i \u0111\u1ea3o ng\u01b0\u1ee3c s\u1eed d\u1ee5ng uA741<\/figcaption><\/figure>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Xem th\u00eam: <\/span><a href=\"https:\/\/hocvienit.vn\/tim-hieu-nguyen-ly-mach-sac-pin-tren-laptop\/\"><span style=\"font-weight: 400;\">T\u00ecm hi\u1ec3u nguy\u00ean l\u00fd m\u1ea1ch s\u1ea1c pin tr\u00ean laptop<\/span><\/a><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Tr\u00ean \u0111\u00e2y l\u00e0 chia s\u1ebb c\u1ee7a H\u1ecdc vi\u1ec7n iT.vn v\u1ec1 m\u1ea1ch khu\u1ebfch \u0111\u1ea1i \u0111\u1ea3o ng\u01b0\u1ee3c s\u1eed d\u1ee5ng Op-amp. Hy v\u1ecdng nh\u1eefng ki\u1ebfn th\u1ee9c n\u00e0y c\u00f3 th\u1ec3 gi\u00fap \u00edch cho b\u1ea1n trong qu\u00e1 tr\u00ecnh h\u1ecdc t\u1eadp v\u00e0 l\u00e0m vi\u1ec7c. N\u1ebfu c\u00f3 b\u1ea5t c\u1ee9 th\u1eafc m\u1eafc n\u00e0o th\u00ec h\u00e3y \u0111\u1ec3 l\u1ea1i b\u00ecnh lu\u1eadn ngay d\u01b0\u1edbi b\u00e0i vi\u1ebft n\u00e0y ho\u1eb7c inbox tr\u1ef1c ti\u1ebfp cho HOCVIENiT.vn \u0111\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3i \u0111\u00e1p t\u1ed1t nh\u1ea5t. Ch\u00fac b\u1ea1n th\u00e0nh c\u00f4ng!<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>M\u1ea1ch khu\u1ebfch \u0111\u1ea1i \u0111\u1ea3o ng\u01b0\u1ee3c cho ph\u00e9p \u0111\u1ea7u ra c\u1ee7a n\u00f3 c\u00f3 d\u1ea1ng s\u00f3ng ng\u01b0\u1ee3c pha so v\u1edbi \u0111\u1ea7u v\u00e0o. Nh\u1edd \u0111\u00f3, ch\u00fang ta c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng khu\u1ebfch \u0111\u1ea1i t\u00edn hi\u1ec7u \u0111\u1ea7u v\u00e0o v\u1edbi m\u1ed9t h\u1ec7 s\u1ed1 t\u0103ng (\u0111\u1ed9 l\u1ee3i) c\u1ee5 th\u1ec3, trong khi \u0111\u1ea3o ng\u01b0\u1ee3c pha c\u1ee7a n\u00f3. Trong b\u00e0i vi\u1ebft n\u00e0y, H\u1ecdc vi\u1ec7n iT.vn s\u1ebd chia s\u1ebb t\u1edbi c\u00e1c b\u1ea1n chi ti\u1ebft v\u1ec1 m\u1ea1ch khu\u1ebfch \u0111\u1ea1i \u0111\u1ea3o ng\u01b0\u1ee3c s\u1eed d\u1ee5ng Op-amp nh\u00e9!<\/p>\n","protected":false},"author":95,"featured_media":43457,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[95,94],"tags":[],"_links":{"self":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/posts\/43455"}],"collection":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/users\/95"}],"replies":[{"embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=43455"}],"version-history":[{"count":0,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/posts\/43455\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/media\/43457"}],"wp:attachment":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=43455"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=43455"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=43455"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}