{"id":18293,"date":"2020-10-20T09:33:54","date_gmt":"2020-10-20T09:33:54","guid":{"rendered":"https:\/\/hocvienit.vn\/?p=18293"},"modified":"2024-08-28T17:02:10","modified_gmt":"2024-08-28T10:02:10","slug":"tong-hop-kien-thuc-ve-diode","status":"publish","type":"post","link":"https:\/\/hocvienit.vn\/?p=18293","title":{"rendered":"T\u1ed5ng h\u1ee3p ki\u1ebfn th\u1ee9c v\u1ec1 Diode &#8211; \u0110i\u1ec7n t\u1eed c\u01a1 b\u1ea3n"},"content":{"rendered":"<p style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 16px;\"><strong>Diode<\/strong> l\u00e0 m\u1ed9t lo\u1ea1i linh ki\u1ec7n \u0111i\u1ec7n t\u1eed c\u01a1 b\u1ea3n v\u00f4 c\u00f9ng quen thu\u1ed9c trong ng\u00e0nh \u0111i\u1ec7n t\u1eed \u2013 truy\u1ec1n th\u00f4ng. N\u1ebfu b\u1ea1n ch\u01b0a n\u1eafm r\u00f5 \u0111\u01b0\u1ee3c kh\u00e1i ni\u1ec7m diode l\u00e0 g\u00ec? Ph\u00e2n lo\u1ea1i c\u0169ng nh\u01b0 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a diode th\u00ec h\u00e3y t\u00ecm hi\u1ec3u ngay qua b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y.<\/span><\/p>\n<figure id=\"attachment_18294\" aria-describedby=\"caption-attachment-18294\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-18294 size-full\" title=\"T\u1ed5ng h\u1ee3p ki\u1ebfn th\u1ee9c v\u1ec1 Diode\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2020\/10\/tong-hop-kien-thuc-ve-diode.jpg\" alt=\"T\u1ed5ng h\u1ee3p ki\u1ebfn th\u1ee9c v\u1ec1 Diode\" width=\"750\" height=\"400\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2020\/10\/tong-hop-kien-thuc-ve-diode.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2020\/10\/tong-hop-kien-thuc-ve-diode-510x272.jpg 510w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2020\/10\/tong-hop-kien-thuc-ve-diode-300x160.jpg 300w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-18294\" class=\"wp-caption-text\"><span style=\"font-size: 16px; color: #333333;\">T\u1ed5ng h\u1ee3p ki\u1ebfn th\u1ee9c v\u1ec1 Diode<\/span><\/figcaption><\/figure>\n<h2 style=\"text-align: justify;\"><span style=\"font-size: 24px;\"><strong>Diode l\u00e0 g\u00ec?<\/strong><\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 16px;\">Diode (Hay c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0110i\u1ed1t b\u00e1n d\u1eabn) l\u00e0 m\u1ed9t lo\u1ea1i linh ki\u1ec7n b\u00e1n d\u1eabn. N\u00f3 ch\u1ec9 cho ph\u00e9p d\u00f2ng \u0111i\u1ec7n \u0111i qua n\u00f3 theo m\u1ed9t chi\u1ec1u duy nh\u1ea5t m\u00e0 kh\u00f4ng cho ph\u00e9p d\u00f2ng \u0111i\u1ec7n \u0111i theo chi\u1ec1u ng\u01b0\u1ee3c l\u1ea1i.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 16px;\">Trong m\u1ea1ch \u0111i\u1ec7n, diode \u0111\u00f3ng m\u1ed9t vai tr\u00f2 v\u00f4 c\u00f9ng quan tr\u1ecdng. N\u00f3 s\u1ebd quy\u1ebft \u0111\u1ecbnh d\u00f2ng \u0111i\u1ec7n c\u00f3 qua b\u00f3ng \u0111\u00e8n hay kh\u00f4ng t\u00f9y thu\u1ed9c v\u00e0o c\u1ef1c c\u1ee7a \u0111i\u1ec7n \u00e1p trong m\u1ed9t m\u1ea1ch \u0111\u00e8n pin \u0111\u01a1n gi\u1ea3n.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 16px;\">Th\u00f4ng th\u01b0\u1eddng thu\u1eadt ng\u1eef \u201cdiode\u201d d\u00f9ng \u0111\u1ec3 ch\u1ec9 nh\u1eefng t\u00edn hi\u1ec7u c\u00f3 I \u2264 1 A. C\u00f2n \u0111\u1ed1i v\u1edbi nh\u1eefng t\u00edn hi\u1ec7u l\u1edbn h\u01a1n I &gt; 1 A th\u00ec ta s\u1eed d\u1ee5ng thu\u1eadt ng\u1eef b\u1ed9 ch\u1ec9nh l\u01b0u.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 16px;\">Do t\u00ednh d\u1eabn \u0111i\u1ec7n m\u1ed9t chi\u1ec1u n\u00ean diode th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u1ea1ch ch\u1ec9nh l\u01b0u ngu\u1ed3n xoay chi\u1ec1u th\u00e0nh m\u1ed9t chi\u1ec1u, m\u1ea1ch t\u00e1ch s\u00f3ng ho\u1eb7c m\u1ea1ch c\u1ed1 \u0111\u1ecbnh ph\u00e2n c\u1ef1c cho transistor ho\u1ea1t \u0111\u1ed9ng.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2 style=\"text-align: justify;\"><span style=\"font-size: 24px;\"><strong>C\u1ea5u t\u1ea1o c\u1ee7a diode<\/strong><\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 16px;\">C\u1ea5u t\u1ea1o chung c\u1ee7a m\u1ed9t diode b\u00e1n d\u1eabn l\u00e0 m\u1ed9t kh\u1ed1i b\u00e1n d\u1eabn P ch\u1ee9a nhi\u1ec1u l\u1ed7 tr\u1ed1ng t\u1ef1 do mang \u0111i\u1ec7n t\u00edch d\u01b0\u01a1ng gh\u00e9p v\u1edbi m\u1ed9t kh\u1ed1i b\u00e1n d\u1eabn N ch\u1ee9a \u0111i\u1ec7n t\u1eed \u0111i\u1ec7n t\u00edch \u00e2m. Hai kh\u1ed1i n\u00e0y \u0111\u01b0\u1ee3c n\u1ed1i v\u1edbi hai ch\u00e2n ra \u0111\u00f3 l\u00e0 anode v\u00e0 cathode.<\/span><\/p>\n<figure id=\"attachment_18295\" aria-describedby=\"caption-attachment-18295\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-18295 size-full\" title=\"C\u1ea5u t\u1ea1o c\u1ee7a Diode\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2020\/10\/cau-tao-cua-diode.jpg\" alt=\"C\u1ea5u t\u1ea1o c\u1ee7a Diode\" width=\"750\" height=\"409\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2020\/10\/cau-tao-cua-diode.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2020\/10\/cau-tao-cua-diode-510x278.jpg 510w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2020\/10\/cau-tao-cua-diode-300x164.jpg 300w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-18295\" class=\"wp-caption-text\"><span style=\"font-size: 16px; color: #333333;\">C\u1ea5u t\u1ea1o c\u1ee7a Diode<\/span><\/figcaption><\/figure>\n<h2 style=\"text-align: justify;\"><span style=\"font-size: 24px;\"><strong>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a diode<\/strong><\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 16px;\">C\u00e1c l\u1ed7 tr\u1ed1ng mang \u0111i\u1ec7n t\u00edch d\u01b0\u01a1ng c\u1ee7a kh\u1ed1i b\u00e1n d\u1eabn P s\u1ebd c\u00f3 xu h\u01b0\u1edbng chuy\u1ec3n \u0111\u1ed9ng, khu\u1ebfch t\u00e1n sang kh\u1ed1i b\u00e1n d\u1eabn N. \u0110\u1ed3ng th\u1eddi, c\u00e1c \u0111i\u1ec7n t\u1eed mang \u0111i\u1ec7n t\u00edch \u00e2m c\u1ee7a kh\u1ed1i b\u00e1n d\u1eabn N s\u1ebd chuy\u1ec3n \u0111\u1ed9ng v\u00e0 khu\u1ebfch t\u00e1n sang kh\u1ed1i b\u00e1n d\u1eabn P. K\u1ebft qu\u1ea3 c\u1ee7a hai qu\u00e1 tr\u00ecnh n\u00e0y l\u00e0 kh\u1ed1i b\u00e1n d\u1eabn P t\u00edch \u0111i\u1ec7n \u00e2m v\u00e0 kh\u1ed1i b\u00e1n d\u1eabn N t\u00edch \u0111i\u1ec7n d\u01b0\u01a1ng. \u1ede v\u1ecb tr\u00ed bi\u00ean gi\u1edbi ng\u0103n c\u00e1ch gi\u1eefa kh\u1ed1i b\u00e1n d\u1eabn P v\u00e0 N, c\u00e1c l\u1ed7 tr\u1ed1ng v\u00e0 \u0111i\u1ec7n t\u1eed c\u00f3 xu h\u01b0\u1edbng ti\u1ebfn l\u1ea1i g\u1ea7n nhau v\u00e0 k\u1ebft h\u1ee3p v\u1edbi nhau t\u1ea1o th\u00e0nh c\u00e1c nguy\u00ean t\u1eed trung h\u00f2a.\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 16px;\">Trong \u0111\u00f3, qu\u00e1 tr\u00ecnh tr\u00ean t\u1ea1o ra \u0111i\u1ec7n \u00e1p ti\u1ebfp x\u00fac (UTX) th\u00f4ng qua vi\u1ec7c gi\u1ea3i ph\u00f3ng n\u0103ng l\u01b0\u1ee3ng d\u01b0\u1edbi d\u1ea1ng \u00e1nh s\u00e1ng. \u0110i\u1ec7n tr\u01b0\u1eddng sinh ra b\u1edfi \u0111i\u1ec7n \u00e1p c\u00f3 h\u01b0\u1edbng t\u1eeb N \u0111\u1ebfn P n\u00ean s\u1ebd c\u1ea3n tr\u1edf chuy\u1ec3n \u0111\u1ed9ng khu\u1ebfch t\u00e1n. T\u00f3m l\u1ea1i, sau m\u1ed9t kho\u1ea3ng th\u1eddi gian (K\u1ec3 t\u1eeb l\u00fac b\u1eaft \u0111\u1ea7u gh\u00e9p 2 kh\u1ed1i b\u00e1n d\u1eabn) th\u00ec chuy\u1ec3n \u0111\u1ed9ng khu\u1ebfch t\u00e1n s\u1ebd ch\u1ea5m d\u1ee9t v\u00e0 sinh ra \u0111i\u1ec7n \u00e1p ti\u1ebfp x\u00fac. B\u00e2y gi\u1edd, \u0111i\u1ec7n \u00e1p ti\u1ebfp x\u00fac \u1edf tr\u1ea1ng th\u00e1i c\u00e2n b\u1eb1ng (\u0110\u1ed1i v\u1edbi diode c\u1ea5u th\u00e0nh t\u1eeb Si th\u00ec m\u1ee9c \u0111i\u1ec7n \u00e1p c\u00e2n b\u1eb1ng r\u01a1i v\u00e0o kho\u1ea3ng 0.6 V c\u00f2n \u0111\u1ed1i v\u1edbi diode c\u1ea5u th\u00e0nh t\u1eeb Ge th\u00ec r\u01a1i v\u00e0o kho\u1ea3ng 0.3 V). \u0110i\u1ec7n \u00e1p ti\u1ebfp x\u00fac t\u1ea1o ra d\u00f2ng \u0111i\u1ec7n ng\u01b0\u1ee3c v\u1edbi \u0111i\u1ec7n \u00e1p ngo\u00e0i.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 16px;\">B\u1edfi v\u00f9ng bi\u00ean gi\u1edbi ng\u0103n c\u00e1ch gi\u1eefa hai kh\u1ed1i b\u00e1n d\u1eabn th\u01b0\u1eddng x\u1ea3y ra qu\u00e1 tr\u00ecnh h\u00ecnh th\u00e0nh n\u00ean c\u00e1c nguy\u00ean t\u1eed trung h\u00f2a n\u00ean ch\u00fang ta r\u1ea5t \u00edt khi b\u1eaft g\u1eb7p c\u00e1c h\u1ea1t d\u1eabn \u0111i\u1ec7n t\u1ef1 do \u1edf \u0111\u00e2y (V\u00ec l\u00fd do n\u00e0y m\u00e0 v\u00f9ng ti\u1ebfp gi\u00e1p c\u00f2n c\u00f3 t\u00ean g\u1ecdi l\u00e0 v\u00f9ng ngh\u00e8o). Tuy nhi\u00ean, v\u00f9ng n\u00e0y kh\u00f4ng d\u1eabn \u0111i\u1ec7n t\u1ed1t tr\u1eeb khi \u0111i\u1ec7n \u00e1p b\u00ean ngo\u00e0i c\u00e2n b\u1eb1ng \u0111i\u1ec7n \u00e1p ti\u1ebfp x\u00fac. \u0110\u00e2y c\u0169ng l\u00e0 b\u1ea3n ch\u1ea5t ho\u1ea1t \u0111\u1ed9ng c\u1ee7a diode:\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 16px;\"><strong>\u201cKhi \u0111i\u1ec7n \u00e1p b\u00ean ngo\u00e0i c\u00f9ng chi\u1ec1u \u0111i\u1ec7n \u00e1p ti\u1ebfp x\u00fac th\u00ec v\u00f9ng ti\u1ebfp gi\u00e1p kh\u00f4ng d\u1eabn \u0111i\u1ec7n v\u00e0 ng\u0103n d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua n\u00f3. Tr\u00e1i l\u1ea1i, khi \u0111i\u1ec7n \u00e1p b\u00ean ngo\u00e0i ng\u01b0\u1ee3c chi\u1ec1u \u0111i\u1ec7n \u00e1p ti\u1ebfp x\u00fac th\u00ec v\u00f9ng ti\u1ebfp gi\u00e1p d\u1eabn \u0111i\u1ec7n t\u1ed1t v\u00e0 d\u00f2ng \u0111i\u1ec7n c\u00f3 th\u1ec3 ch\u1ea1y qua n\u00f3. T\u00f3m l\u1ea1i, diode ch\u1ec9 cho ph\u00e9p d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua n\u00f3 khi ta \u0111\u1eb7t \u0111i\u1ec7n \u00e1p theo m\u1ed9t h\u01b0\u1edbng nh\u1ea5t \u0111\u1ecbnh.\u201d<\/strong><\/span><\/p>\n<h2 style=\"text-align: justify;\"><span style=\"font-size: 24px;\"><strong>Ph\u00e2n lo\u1ea1i diode<\/strong><\/span><\/h2>\n<h3><span style=\"font-size: 20px;\">Diode ch\u1ec9nh l\u01b0u<\/span><\/h3>\n<p><span style=\"font-size: 16px;\"><strong><a href=\"https:\/\/hocvienit.vn\/diode-chinh-luu-la-gi\/\" target=\"_blank\" rel=\"noopener\">Diode ch\u1ec9nh l\u01b0u<\/a><\/strong> l\u00e0 lo\u1ea1i diode ch\u1ec9 cho ph\u00e9p d\u00f2ng \u0111i\u1ec7n \u0111i theo m\u1ed9t h\u01b0\u1edbng duy nh\u1ea5t. Vai tr\u00f2 ch\u1ee7 y\u1ebfu c\u1ee7a lo\u1ea1i diode n\u00e0y l\u00e0 chuy\u1ec3n \u0111\u1ed5i d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u (\u0110i\u1ec7n th\u1ebf t\u1eeb 50Hz \u0111\u1ebfn 60Hz) v\u1ec1 d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u.\u00a0<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 20px;\">Diode Zener<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 16px;\">Tuy c\u1ea5u t\u1ea1o v\u1eabn tu\u00e2n theo c\u1ea5u t\u1ea1o c\u1ee7a diode th\u00f4ng th\u01b0\u1eddng nh\u01b0ng <a href=\"https:\/\/hocvienit.vn\/diode-zener-la-gi\/\" target=\"_blank\" rel=\"noopener\"><strong>diode Zener<\/strong><\/a> c\u00f3 t\u1edbi 2 l\u1edbp b\u00e1n d\u1eabn P &#8211; N. Lo\u1ea1i diode n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u trong ch\u1ebf \u0111\u1ed9 ph\u00e2n c\u1ef1c ng\u01b0\u1ee3c v\u00e0 c\u1ed1 \u0111\u1ecbnh m\u1ed9t m\u1ee9c \u0111i\u1ec7n \u00e1p.<\/span><\/p>\n<figure id=\"attachment_18297\" aria-describedby=\"caption-attachment-18297\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-18297 size-full\" title=\"H\u00ecnh \u1ea3nh Diode zener tr\u00ean th\u1ef1c t\u1ebf\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2020\/10\/hinh-anh-diode-zener-tren-thuc-te.jpg\" alt=\"H\u00ecnh \u1ea3nh Diode zener tr\u00ean th\u1ef1c t\u1ebf\" width=\"750\" height=\"409\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2020\/10\/hinh-anh-diode-zener-tren-thuc-te.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2020\/10\/hinh-anh-diode-zener-tren-thuc-te-510x278.jpg 510w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2020\/10\/hinh-anh-diode-zener-tren-thuc-te-300x164.jpg 300w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-18297\" class=\"wp-caption-text\"><span style=\"font-size: 16px; color: #333333;\">H\u00ecnh \u1ea3nh Diode zener tr\u00ean th\u1ef1c t\u1ebf<\/span><\/figcaption><\/figure>\n<h3 style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 20px;\">Diode thu quang<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 16px;\"><a href=\"https:\/\/hocvienit.vn\/diode-thu-quang-la-gi\/\" target=\"_blank\" rel=\"noopener\"><strong>Diode thu quang<\/strong><\/a> c\u00f3 m\u1ed9t l\u1edbp b\u00e1n d\u1eabn P &#8211; N \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf l\u1edbp v\u1ecf c\u00f3 m\u1ed9t mi\u1ebfng th\u1ee7y tinh nh\u1eb1m gi\u00fap \u00e1nh s\u00e1ng c\u00f3 th\u1ec3 chi\u1ebfu t\u1edbi m\u1ed1i P &#8211; N. Khi \u0111\u00f3, c\u01b0\u1eddng \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n \u0111i qua diode s\u1ebd t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi c\u01b0\u1eddng \u0111\u1ed9 \u00e1nh s\u00e1ng chi\u1ebfu v\u00e0o diode.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 20px;\">Diode ph\u00e1t quang<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 16px;\">Khi <strong><a href=\"https:\/\/hocvienit.vn\/diode-phat-quang-la-gi\/\" target=\"_blank\" rel=\"noopener\">diode ph\u00e1t quang<\/a><\/strong> ph\u00e2n c\u1ef1c thu\u1eadn th\u00ec n\u00f3 s\u1ebd ph\u00e1t ra \u00e1nh s\u00e1ng th\u00f4ng qua \u0111\u00e8n led. M\u1ee9c \u0111i\u1ec7n \u00e1p m\u00e0 \u0111\u00e8n led ho\u1ea1t \u0111\u1ed9ng n\u1eb1m trong kho\u1ea3ng 1,7 \u2013 2,2 V c\u00f2n d\u00f2ng \u0111i\u1ec7n r\u01a1i v\u00e0o kho\u1ea3ng 5mA \u2013 20mA.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 20px;\">Diode xung<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 16px;\">Vai tr\u00f2 c\u1ee7a <a href=\"https:\/\/hocvienit.vn\/diode-xung-la-gi\/\" target=\"_blank\" rel=\"noopener\"><strong>diode xung<\/strong><\/a> l\u00e0 d\u00f9ng \u0111\u1ec3 ch\u1ec9nh l\u01b0u b\u1ed9 ngu\u1ed3n xung cho \u0111\u1ea7u ra c\u1ee7a bi\u1ebfn \u00e1p xung. N\u00f3 mang h\u00ecnh d\u00e1ng c\u1ee7a m\u1ed9t diode th\u00f4ng th\u01b0\u1eddng nh\u01b0ng \u0111\u01b0\u1ee3c ghi th\u00eam m\u1ed9t v\u00e0i \u0111\u01b0\u1eddng v\u00f2ng \u0111\u1ee9t n\u00e9t \u1edf tr\u00ean th\u00e2n \u0111\u1ec3 ph\u00e2n bi\u1ec7t.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 16px;\">Diode xung ho\u1ea1t \u0111\u1ed9ng tr\u00ean t\u1ea7n s\u1ed1 cao (L\u00ean t\u1edbi v\u00e0i ch\u1ee5c kHz) n\u00ean ch\u00fang kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c thay th\u1ebf b\u1edfi m\u1ed9t diode th\u00f4ng th\u01b0\u1eddng.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 20px;\">Diode bi\u1ebfn dung<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 16px;\"><strong><a href=\"https:\/\/hocvienit.vn\/diode-bien-dung-la-gi\/\" target=\"_blank\" rel=\"noopener\">Diode bi\u1ebfn dung<\/a><\/strong> (Hay c\u00f2n c\u00f3 t\u00ean g\u1ecdi kh\u00e1c l\u00e0 Diode Varicap) l\u00e0 lo\u1ea1i diode c\u00f3 \u0111i\u1ec7n dung nh\u01b0 m\u1ed9t t\u1ee5 \u0111i\u1ec7n. Khi ta thay \u0111\u1ed5i \u0111i\u1ec7n \u00e1p ng\u01b0\u1ee3c t\u1ea1i diode th\u00ec n\u00f3 c\u0169ng bi\u1ebfn \u0111\u1ed5i theo. \u1ee8ng d\u1ee5ng c\u1ee7a diode bi\u1ebfn dung ch\u1ee7 y\u1ebfu trong m\u1ea1ch c\u1ed9ng h\u01b0\u1edfng v\u00e0 c\u00e1c b\u1ed9 k\u00eanh c\u1ee7a tivi m\u00e0u\u2026<\/span><\/p>\n<figure id=\"attachment_18296\" aria-describedby=\"caption-attachment-18296\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-18296 size-full\" title=\"H\u00ecnh \u1ea3nh Diode bi\u1ebfn dung tr\u00ean th\u1ef1c t\u1ebf\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2020\/10\/hinh-anh-diode-bien-dung-tren-thuc-te.jpg\" alt=\"H\u00ecnh \u1ea3nh Diode bi\u1ebfn dung tr\u00ean th\u1ef1c t\u1ebf\" width=\"750\" height=\"409\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2020\/10\/hinh-anh-diode-bien-dung-tren-thuc-te.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2020\/10\/hinh-anh-diode-bien-dung-tren-thuc-te-510x278.jpg 510w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2020\/10\/hinh-anh-diode-bien-dung-tren-thuc-te-300x164.jpg 300w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-18296\" class=\"wp-caption-text\"><span style=\"font-size: 16px; color: #333333;\">H\u00ecnh \u1ea3nh Diode bi\u1ebfn dung tr\u00ean th\u1ef1c t\u1ebf<\/span><\/figcaption><\/figure>\n<h3 style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 20px;\">Diode ti\u1ebfp \u0111i\u1ec3m<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 16px;\">T\u00ean g\u1ecdi kh\u00e1c c\u1ee7a <a href=\"https:\/\/hocvienit.vn\/diode-tiep-diem-la-gi\/\" target=\"_blank\" rel=\"noopener\"><strong>diode ti\u1ebfp \u0111i\u1ec3m<\/strong><\/a> l\u00e0 diode t\u00e1ch s\u00f3ng. N\u00f3 \u0111\u01b0\u1ee3c c\u1ea5u t\u1ea1o t\u1eeb v\u1ecf th\u1ee7y tinh v\u00e0 ti\u1ebfp x\u00fac t\u1ea1i m\u1ed9t \u0111i\u1ec3m gi\u1eefa hai l\u1edbp b\u00e1n d\u1eabn P &#8211; N n\u00ean kh\u00f4ng xu\u1ea5t hi\u1ec7n hi\u1ec7n t\u01b0\u1ee3ng \u0111i\u1ec7n dung k\u00fd sinh. \u1ee8ng d\u1ee5ng c\u1ee7a diode ti\u1ebfp \u0111i\u1ec3m l\u00e0 t\u00e1ch s\u00f3ng t\u00edn hi\u1ec7u trong m\u1ea1ch cao t\u1ea7n.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 20px;\">Diode n\u1eafn \u0111i\u1ec7n\u00a0<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 16px;\">Diode n\u1eafn \u0111i\u1ec7n \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng ch\u1ee7 y\u1ebfu \u0111\u1ec3 n\u1eafn \u0111i\u1ec7n trong c\u00e1c b\u1ed9 ch\u1ec9nh l\u01b0u ngu\u1ed3n. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c chia ra l\u00e0m 3 lo\u1ea1i l\u00e0 1A, 2A v\u00e0 5A.<\/span><\/p>\n<p style=\"text-align: center;\"><iframe loading=\"lazy\" title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/_Dlwojh0Wkc\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><br \/>\n<em>Diode l\u00e0 g\u00ec? Diode l\u00e0 m\u1ed9t lo\u1ea1i linh ki\u1ec7n \u0111i\u1ec7n t\u1eed c\u01a1 b\u1ea3n v\u00f4 c\u00f9ng quen thu\u1ed9c trong ng\u00e0nh \u0111i\u1ec7n t\u1eed<\/em><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 16px;\">Tr\u00ean \u0111\u00e2y l\u00e0 chia s\u1ebb c\u1ee7a HOCVIENiT.vn v\u1ec1 nh\u1eefng ki\u1ebfn th\u1ee9c v\u1ec1 diode. N\u1ebfu c\u00f3 b\u1ea5t c\u1ee9 th\u1eafc m\u1eafc n\u00e0o v\u1ec1 c\u00e1c ki\u1ebfn th\u1ee9c li\u00ean quan \u0111\u1ebfn m\u00e1y t\u00ednh th\u00ec b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ec3 l\u1ea1i b\u00ecnh lu\u1eadn b\u00ean d\u01b0\u1edbi b\u00e0i vi\u1ebft n\u00e0y. V\u00e0 \u0111\u1eebng qu\u00ean \u0111\u00f3n \u0111\u1ecdc c\u00e1c b\u00e0i vi\u1ebft m\u1edbi nh\u1ea5t c\u1ee7a HOCVIENiT.vn nh\u00e9.<\/span><\/p>\n<p style=\"text-align: left;\"><i>M\u1ecdi chi ti\u1ebft xin vui l\u00f2ng li\u00ean h\u1ec7:<br \/>\n<\/i><strong>C\u00d4NG TY C\u1ed4 PH\u1ea6N H\u1eccC VI\u1ec6N IT<br \/>\n<\/strong><strong>MST: 0108733789<br \/>\n<\/strong><strong>Hotline: 0981 223 001<br \/>\n<\/strong><strong>Facebook:<\/strong>\u00a0<a href=\"http:\/\/www.fb.com\/hocvienit\" target=\"_blank\" rel=\"noopener\">www.fb.com\/hocvienit<\/a><br \/>\n<strong>\u0110\u0103ng k\u00fd k\u00eanh Youtube \u0111\u1ec3 theo d\u00f5i c\u00e1c b\u00e0i h\u1ecdc c\u1ee7a Hu\u1ea5n luy\u1ec7n vi\u00ean t\u1ed1t nh\u1ea5t:<\/strong>\u00a0<a href=\"http:\/\/bit.ly\/Youtube_HOCVIENiT\" target=\"_blank\" rel=\"noopener nofollow\">http:\/\/bit.ly\/Youtube_HOCVIENiT<\/a><br \/>\n<b>H\u1ec7 th\u1ed1ng c\u01a1 s\u1edf \u0111\u00e0o t\u1ea1o:\u00a0<\/b><a href=\"https:\/\/hocvienit.vn\/lien-he\/\" target=\"_blank\" rel=\"noopener\">https:\/\/hocvienit.vn\/lien-he\/<\/a><br \/>\n<strong><i>H\u1ecdc vi\u1ec7n IT.vn \u2013 Truy\u1ec1n ngh\u1ec1 th\u1ef1c t\u1ebf c\u00f9ng b\u1ea1n \u0111\u1ebfn th\u00e0nh c\u00f4ng!\u00a0<\/i><\/strong><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Diode l\u00e0 m\u1ed9t lo\u1ea1i linh ki\u1ec7n \u0111i\u1ec7n t\u1eed c\u01a1 b\u1ea3n v\u00f4 c\u00f9ng quen thu\u1ed9c trong ng\u00e0nh \u0111i\u1ec7n t\u1eed \u2013 truy\u1ec1n th\u00f4ng. N\u1ebfu b\u1ea1n ch\u01b0a n\u1eafm r\u00f5 \u0111\u01b0\u1ee3c kh\u00e1i ni\u1ec7m diode l\u00e0 g\u00ec? Ph\u00e2n lo\u1ea1i c\u0169ng nh\u01b0 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a diode th\u00ec h\u00e3y t\u00ecm hi\u1ec3u ngay qua b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y.<\/p>\n","protected":false},"author":95,"featured_media":18294,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[734],"tags":[248],"_links":{"self":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/posts\/18293"}],"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=18293"}],"version-history":[{"count":0,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/posts\/18293\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/media\/18294"}],"wp:attachment":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=18293"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=18293"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=18293"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}