{"id":2332,"date":"2018-07-10T14:55:24","date_gmt":"2018-07-10T14:55:24","guid":{"rendered":"https:\/\/hocvienit.vn\/?p=2332"},"modified":"2025-03-21T15:43:11","modified_gmt":"2025-03-21T08:43:11","slug":"di-ot-diode-cach-kiem-tra-do-dat-di-ot","status":"publish","type":"post","link":"https:\/\/hocvienit.vn\/?p=2332","title":{"rendered":"\u0110i \u1ed1t &#8211; Diode C\u00e1ch ki\u1ec3m tra \u0111o \u0111\u1ea1c Diode"},"content":{"rendered":"<figure id=\"attachment_12297\" aria-describedby=\"caption-attachment-12297\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-12297 size-full\" title=\"C\u00e1ch ki\u1ec3m tra \u0111o \u0111\u1ea1t Diode\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/cac-kiem-tra-do-dat-diode.jpg\" alt=\"C\u00e1ch ki\u1ec3m tra \u0111o \u0111\u1ea1t Diode\" width=\"750\" height=\"400\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/cac-kiem-tra-do-dat-diode.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/cac-kiem-tra-do-dat-diode-510x272.jpg 510w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/cac-kiem-tra-do-dat-diode-300x160.jpg 300w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/cac-kiem-tra-do-dat-diode-600x320.jpg 600w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-12297\" class=\"wp-caption-text\">C\u00e1ch ki\u1ec3m tra \u0111o \u0111\u1ea1c Diode<\/figcaption><\/figure>\n<h2 id=\"hometext\" style=\"text-align: justify;\"><span style=\"font-size: 17px;\"><strong>1 \u2013 Ch\u1ea5t b\u00e1n d\u1eabn<\/strong><\/span><\/h2>\n<h3 style=\"text-align: justify;\"><span style=\"font-size: 17px;\"><em><strong>1.1 \u2013 Ch\u1ea5t b\u00e1n d\u1eabn l\u00e0 g\u00ec?<\/strong><\/em><\/span><\/h3>\n<div style=\"text-align: justify;\"><span style=\"font-size: 17px;\">Ch\u1ea5t b\u00e1n d\u1eabn l\u00e0 nguy\u00ean li\u1ec7u \u0111\u1ec3 s\u1ea3n xu\u1ea5t ra c\u00e1c lo\u1ea1i linh ki\u1ec7n b\u00e1n d\u1eabn nh\u01b0 Diode, Transistor, IC m\u00e0 ta \u0111\u00e3 th\u1ea5y trong c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed ng\u00e0y nay.<\/span><\/div>\n<div style=\"text-align: justify;\">\n<p><span style=\"font-size: 17px;\">Ch\u1ea5t b\u00e1n d\u1eabn l\u00e0 nh\u1eefng ch\u1ea5t c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m trung gian gi\u1eefa <\/span><span style=\"font-size: 17px;\">ch\u1ea5t d\u1eabn \u0111i\u1ec7n v\u00e0 ch\u1ea5t c\u00e1ch \u0111i\u1ec7n. V\u1ec1 ph\u01b0\u01a1ng di\u1ec7n ho\u00e1 h\u1ecdc th\u00ec b\u00e1n d\u1eabn l\u00e0 <\/span><span style=\"font-size: 17px;\">nh\u1eefng ch\u1ea5t c\u00f3 4 \u0111i\u1ec7n t\u1eed \u1edf l\u1edbp ngo\u00e0i c\u00f9ng c\u1ee7a nguy\u00ean t\u1eed. \u0110\u00f3 l\u00e0 c\u00e1c ch\u1ea5t <\/span><span style=\"font-size: 17px;\">Germanium (Ge) v\u00e0 Silicium (Si).<\/span><\/p>\n<figure id=\"attachment_45639\" aria-describedby=\"caption-attachment-45639\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-45639 size-full\" title=\"Ch\u1ea5t b\u00e1n d\u1eabn tinh khi\u1ebft\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-1.jpg\" alt=\"Ch\u1ea5t b\u00e1n d\u1eabn tinh khi\u1ebft\" width=\"750\" height=\"294\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-1.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-1-300x118.jpg 300w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-1-510x200.jpg 510w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-45639\" class=\"wp-caption-text\">Ch\u1ea5t b\u00e1n d\u1eabn tinh khi\u1ebft<\/figcaption><\/figure>\n<p><span style=\"font-size: 17px;\">T\u1eeb c\u00e1c ch\u1ea5t b\u00e1n d\u1eabn ban \u0111\u1ea7u (tinh khi\u1ebft) ng\u01b0\u1eddi ta ph\u1ea3i <\/span><span style=\"font-size: 17px;\">t\u1ea1o ra hai lo\u1ea1i b\u00e1n d\u1eabn l\u00e0 b\u00e1n d\u1eabn lo\u1ea1i N v\u00e0 b\u00e1n d\u1eabn lo\u1ea1i P, sau \u0111\u00f3 <\/span><span style=\"font-size: 17px;\">gh\u00e9p c\u00e1c mi\u1ebfng b\u00e1n d\u1eabn lo\u1ea1i N v\u00e0 P l\u1ea1i ta thu \u0111\u01b0\u1ee3c Diode hay Transistor.<\/span><\/p>\n<p><span style=\"font-size: 17px;\">Si v\u00e0 Ge \u0111\u1ec1u c\u00f3 ho\u00e1 tr\u1ecb 4, t\u1ee9c l\u00e0 l\u1edbp ngo\u00e0i c\u00f9ng c\u00f3 4 <\/span><span style=\"font-size: 17px;\">\u0111i\u1ec7n t\u1eed, \u1edf th\u1ec3 tinh khi\u1ebft c\u00e1c nguy\u00ean t\u1eed Si (Ge) li\u00ean k\u1ebft v\u1edbi nhau theo <\/span><span style=\"font-size: 17px;\">li\u00ean k\u1ebft c\u1ed9ng ho\u00e1 tr\u1ecb\u00a0 nh\u01b0 h\u00ecnh tr\u00ean.<\/span><\/p>\n<h3><span style=\"font-size: 17px;\"><em><strong>1.2 &#8211;\u00a0 Ch\u1ea5t b\u00e1n d\u1eabn lo\u1ea1i N<\/strong><\/em><\/span><\/h3>\n<p><span style=\"font-size: 17px;\">* Khi ta pha m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf ch\u1ea5t c\u00f3 ho\u00e1 tr\u1ecb 5 nh\u01b0 Phospho (P) v\u00e0o ch\u1ea5t <\/span><span style=\"font-size: 17px;\">b\u00e1n d\u1eabn Si th\u00ec m\u1ed9t nguy\u00ean t\u1eed P li\u00ean k\u1ebft v\u1edbi 4 nguy\u00ean t\u1eed Si theo li\u00ean <\/span><span style=\"font-size: 17px;\">k\u1ebft c\u1ed9ng ho\u00e1 tr\u1ecb, nguy\u00ean t\u1eed Phospho ch\u1ec9 c\u00f3 4 \u0111i\u1ec7n t\u1eed tham gia li\u00ean k\u1ebft <\/span><span style=\"font-size: 17px;\">v\u00e0 c\u00f2n d\u01b0 m\u1ed9t \u0111i\u1ec7n t\u1eed v\u00e0 tr\u1edf th\u00e0nh \u0111i\u1ec7n t\u1eed t\u1ef1 do =&gt; Ch\u1ea5t b\u00e1n d\u1eabn l\u00fac <\/span><span style=\"font-size: 17px;\">n\u00e0y tr\u1edf th\u00e0nh th\u1eeba \u0111i\u1ec7n t\u1eed (mang \u0111i\u1ec7n \u00e2m) v\u00e0 \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 b\u00e1n d\u1eabn N (<\/span><span style=\"font-size: 17px;\">Negative: \u00e2m ).<\/span><\/p>\n<figure id=\"attachment_45641\" aria-describedby=\"caption-attachment-45641\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-45641 size-full\" title=\"Ch\u1ea5t b\u00e1n d\u1eabn N\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-3.jpg\" alt=\"Ch\u1ea5t b\u00e1n d\u1eabn N\" width=\"750\" height=\"294\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-3.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-3-300x118.jpg 300w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-3-510x200.jpg 510w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-45641\" class=\"wp-caption-text\">Ch\u1ea5t b\u00e1n d\u1eabn N<img decoding=\"async\" style=\"font-size: 17px; color: #555555;\" src=\"https:\/\/hocvienit.vn\/images\/gallery\/diot-cach-kiem-tra-do-dat-diot-2.PNG\" alt=\"\" \/><\/figcaption><\/figure>\n<h3 align=\"left\"><span style=\"font-size: 17px;\"><em><strong>1<\/strong><strong>.3 &#8211;\u00a0 Ch\u1ea5t b\u00e1n d\u1eabn lo\u1ea1i P<\/strong><\/em><\/span><\/h3>\n<p><span style=\"font-size: 17px;\">Ng\u01b0\u1ee3c l\u1ea1i khi ta pha th\u00eam m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf ch\u1ea5t c\u00f3 ho\u00e1 tr\u1ecb 3 nh\u01b0 Indium <\/span><span style=\"font-size: 17px;\">(In) v\u00e0o ch\u1ea5t b\u00e1n d\u1eabn Si th\u00ec 1 nguy\u00ean t\u1eed Indium s\u1ebd li\u00ean k\u1ebft <\/span><span style=\"font-size: 17px;\">v\u1edbi 4 nguy\u00ean t\u1eed Si theo li\u00ean k\u1ebft c\u1ed9ng ho\u00e1 tr\u1ecb v\u00e0 li\u00ean k\u1ebft b\u1ecb thi\u1ebfu m\u1ed9t <\/span><span style=\"font-size: 17px;\">\u0111i\u1ec7n t\u1eed =&gt; tr\u1edf th\u00e0nh l\u1ed7 tr\u1ed1ng (mang \u0111i\u1ec7n d\u01b0\u01a1ng) v\u00e0 \u0111\u01b0\u1ee3c <\/span><span style=\"font-size: 17px;\">g\u1ecdi l\u00e0 ch\u1ea5t b\u00e1n d\u1eabn P.<\/span><\/p>\n<figure id=\"attachment_45642\" aria-describedby=\"caption-attachment-45642\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-45642 size-full\" title=\"Ch\u1ea5t b\u00e1n d\u1eabn lo\u1ea1i P\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-4.jpg\" alt=\"Ch\u1ea5t b\u00e1n d\u1eabn lo\u1ea1i P\" width=\"750\" height=\"294\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-4.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-4-300x118.jpg 300w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-4-510x200.jpg 510w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-45642\" class=\"wp-caption-text\">Ch\u1ea5t b\u00e1n d\u1eabn lo\u1ea1i P<img decoding=\"async\" style=\"font-size: 17px; color: #555555;\" src=\"https:\/\/hocvienit.vn\/images\/gallery\/diot-cach-kiem-tra-do-dat-diot-3.PNG\" alt=\"\" \/><span style=\"font-size: 17px; color: #555555;\">\u00a0<\/span><\/figcaption><\/figure>\n<h2><span style=\"font-size: 17px;\"><strong>2 \u2013 Diode (\u0110i \u1ed1t) B\u00e1n d\u1eabn<\/strong><\/span><\/h2>\n<h3><span style=\"font-size: 17px;\"><em><strong>2.1 \u2013 Ti\u1ebfp gi\u00e1p P \u2013 N v\u00e0 C\u1ea5u t\u1ea1o c\u1ee7a Diode b\u00e1n d\u1eabn<\/strong><\/em><\/span><\/h3>\n<p><span style=\"font-size: 17px;\">Khi <\/span><span style=\"font-size: 17px;\">\u0111\u00e3 c\u00f3 \u0111\u01b0\u1ee3c hai ch\u1ea5t b\u00e1n d\u1eabn l\u00e0 P v\u00e0 N, n\u1ebfu gh\u00e9p hai ch\u1ea5t b\u00e1n d\u1eabn theo <\/span><span style=\"font-size: 17px;\">m\u1ed9t ti\u1ebfp gi\u00e1p P \u2013 N ta \u0111\u01b0\u1ee3c m\u1ed9t Diode. Ti\u1ebfp gi\u00e1p P -N c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m<\/span><span style=\"font-size: 17px;\">: T\u1ea1i b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac, c\u00e1c \u0111i\u1ec7n t\u1eed d\u01b0 th\u1eeba trong b\u00e1n d\u1eabn N khu\u1ebfch t\u00e1n <\/span><span style=\"font-size: 17px;\">sang v\u00f9ng b\u00e1n d\u1eabn P \u0111\u1ec3 l\u1ea5p v\u00e0o c\u00e1c l\u1ed7 tr\u1ed1ng =&gt; t\u1ea1o th\u00e0nh m\u1ed9t l\u1edbp Ion <\/span><span style=\"font-size: 17px;\">trung ho\u00e0 v\u1ec1 \u0111i\u1ec7n =&gt; l\u1edbp Ion n\u00e0y t\u1ea1o th\u00e0nh mi\u1ec1n c\u00e1ch \u0111i\u1ec7n gi\u1eefa <\/span><span style=\"font-size: 17px;\">hai ch\u1ea5t b\u00e1n d\u1eabn.<\/span><\/p>\n<figure id=\"attachment_45643\" aria-describedby=\"caption-attachment-45643\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-45643 size-full\" title=\"C\u1ea5u t\u1ea1o c\u1ee7a Diode\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-5.jpg\" alt=\"C\u1ea5u t\u1ea1o c\u1ee7a Diode\" width=\"750\" height=\"294\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-5.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-5-300x118.jpg 300w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-5-510x200.jpg 510w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-45643\" class=\"wp-caption-text\">C\u1ea5u t\u1ea1o c\u1ee7a Diode<img decoding=\"async\" style=\"font-size: 17px; color: #555555;\" src=\"https:\/\/hocvienit.vn\/images\/gallery\/diot-cach-kiem-tra-do-dat-diot-4.PNG\" alt=\"\" \/><\/figcaption><\/figure>\n<p style=\"text-align: justify;\" align=\"left\"><span style=\"font-size: 17px;\">* \u1ede h\u00ecnh tr\u00ean l\u00e0 m\u1ed1i ti\u1ebfp x\u00fac P \u2013 N v\u00e0 c\u0169ng ch\u00ednh l\u00e0 c\u1ea5u t\u1ea1o c\u1ee7a Diode b\u00e1n d\u1eabn.<\/span><\/p>\n<figure id=\"attachment_45644\" aria-describedby=\"caption-attachment-45644\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-45644 size-full\" title=\"K\u00fd hi\u1ec7u v\u00e0 h\u00ecnh d\u00e1ng c\u1ee7a Diode b\u00e1n d\u1eabn\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-6.jpg\" alt=\"K\u00fd hi\u1ec7u v\u00e0 h\u00ecnh d\u00e1ng c\u1ee7a Diode b\u00e1n d\u1eabn\" width=\"750\" height=\"294\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-6.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-6-300x118.jpg 300w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-6-510x200.jpg 510w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-45644\" class=\"wp-caption-text\">K\u00fd hi\u1ec7u v\u00e0 h\u00ecnh d\u00e1ng c\u1ee7a Diode b\u00e1n d\u1eabn<img decoding=\"async\" style=\"font-size: 17px; color: #555555;\" src=\"https:\/\/hocvienit.vn\/images\/gallery\/diot-cach-kiem-tra-do-dat-diot-5.PNG\" alt=\"\" \/><\/figcaption><\/figure>\n<h3 align=\"left\"><span style=\"font-size: 17px;\"><em><strong>2.2 &#8211;\u00a0 Ph\u00e2n c\u1ef1c thu\u1eadn cho Diode<\/strong><\/em><\/span><\/h3>\n<p style=\"text-align: justify;\" align=\"left\"><span style=\"font-size: 17px;\">Khi <\/span><span style=\"font-size: 17px;\">ta c\u1ea5p \u0111i\u1ec7n \u00e1p d\u01b0\u01a1ng (+) v\u00e0o An\u00f4t (v\u00f9ng b\u00e1n d\u1eabn P) v\u00e0 \u0111i\u1ec7n \u00e1p \u00e2m (-) <\/span><span style=\"font-size: 17px;\">v\u00e0o Kat\u00f4t (v\u00f9ng b\u00e1n d\u1eabn N) , khi \u0111\u00f3 d\u01b0\u1edbi t\u00e1c d\u1ee5ng t\u01b0\u01a1ng t\u00e1c c\u1ee7a \u0111i\u1ec7n <\/span><span style=\"font-size: 17px;\">\u00e1p, mi\u1ec1n c\u00e1ch \u0111i\u1ec7n thu h\u1eb9p l\u1ea1i, khi \u0111i\u1ec7n \u00e1p ch\u00eanh l\u1ec7ch gi\u1eef hai c\u1ef1c \u0111\u1ea1t <\/span><span style=\"font-size: 17px;\">0,6V (v\u1edbi Diode lo\u1ea1i Si) ho\u1eb7c 0,2V (v\u1edbi Diode lo\u1ea1i Ge) th\u00ec di\u1ec7n <\/span><span style=\"font-size: 17px;\">t\u00edch mi\u1ec1n c\u00e1ch \u0111i\u1ec7n gi\u1ea3m b\u1eb1ng kh\u00f4ng =&gt; Diode b\u1eaft \u0111\u1ea7u d\u1eabn \u0111i\u1ec7n. N\u1ebfu <\/span><span style=\"font-size: 17px;\">ti\u1ebfp t\u1ee5c t\u0103ng \u0111i\u1ec7n \u00e1p ngu\u1ed3n th\u00ec d\u00f2ng qua Diode t\u0103ng nhanh nh\u01b0ng ch\u00eanh <\/span><span style=\"font-size: 17px;\">l\u1ec7ch \u0111i\u1ec7n \u00e1p gi\u1eefa hai c\u1ef1c c\u1ee7a Diode kh\u00f4ng t\u0103ng (v\u1eabn gi\u1eef \u1edf m\u1ee9c 0,6V).<\/span><\/p>\n<figure id=\"attachment_45645\" aria-describedby=\"caption-attachment-45645\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-45645 size-full\" title=\"Ph\u00e2n c\u1ef1c thu\u1eadn cho Diode\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-7.jpg\" alt=\"Ph\u00e2n c\u1ef1c thu\u1eadn cho Diode\" width=\"750\" height=\"434\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-7.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-7-300x174.jpg 300w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-7-510x295.jpg 510w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-45645\" class=\"wp-caption-text\">Ph\u00e2n c\u1ef1c thu\u1eadn cho Diode<img decoding=\"async\" style=\"font-size: 17px; color: #555555;\" src=\"https:\/\/hocvienit.vn\/images\/gallery\/diot-cach-kiem-tra-do-dat-diot-6.PNG\" alt=\"\" \/><\/figcaption><\/figure>\n<p style=\"text-align: justify;\" align=\"left\"><span style=\"font-size: 17px;\"><strong>* K\u1ebft lu\u1eadn<\/strong>: Khi Diode (lo\u1ea1i Si) <\/span><span style=\"font-size: 17px;\">\u0111\u01b0\u1ee3c ph\u00e2n c\u1ef1c thu\u1eadn, n\u1ebfu \u0111i\u1ec7n \u00e1p ph\u00e2n c\u1ef1c thu\u1eadn &lt; 0,6V th\u00ec ch\u01b0a c\u00f3 <\/span><span style=\"font-size: 17px;\">d\u00f2ng \u0111i qua Diode, N\u1ebfu \u00e1p ph\u00e2n c\u1ef1c thu\u1eadn \u0111\u1ea1t = 0,6V th\u00ec c\u00f3 d\u00f2ng \u0111i qua <\/span><span style=\"font-size: 17px;\">Diode sau \u0111\u00f3 d\u00f2ng \u0111i\u1ec7n qua Diode t\u0103ng nhanh nh\u01b0ng s\u1ee5t \u00e1p thu\u1eadn v\u1eabn gi\u1eef <\/span><span style=\"font-size: 17px;\">\u1edf gi\u00e1 tr\u1ecb 0,6V.<\/span><\/p>\n<h3 align=\"left\"><span style=\"font-size: 17px;\"><em><strong>2.3 \u2013 Ph\u00e2n c\u1ef1c ng\u01b0\u1ee3c cho Diode<\/strong><\/em><\/span><\/h3>\n<p><span style=\"font-size: 17px;\">Khi ph\u00e2n c\u1ef1c ng\u01b0\u1ee3c cho Diode t\u1ee9c l\u00e0 c\u1ea5p ngu\u1ed3n (+)\u00a0 v\u00e0o Kat\u00f4t (b\u00e1n <\/span><span style=\"font-size: 17px;\">d\u1eabn N), ngu\u1ed3n (-) v\u00e0o An\u00f4t (b\u00e1n d\u1eabn P), d\u01b0\u1edbi s\u1ef1 t\u01b0\u01a1ng t\u00e1c c\u1ee7a \u0111i\u1ec7n \u00e1p <\/span><span style=\"font-size: 17px;\">ng\u01b0\u1ee3c, mi\u1ec1n c\u00e1ch \u0111i\u1ec7n c\u00e0ng r\u1ed9ng ra v\u00e0 ng\u0103n c\u1ea3n d\u00f2ng \u0111i\u1ec7n \u0111i qua <\/span><span style=\"font-size: 17px;\">m\u1ed1i ti\u1ebfp gi\u00e1p, Diode c\u00f3 th\u1ec3 chiu \u0111\u01b0\u1ee3c \u0111i\u1ec7n \u00e1p ng\u01b0\u1ee3c r\u1ea5t l\u1edbn <\/span><span style=\"font-size: 17px;\">kho\u1ea3ng 1000V th\u00ec diode m\u1edbi b\u1ecb \u0111\u00e1nh th\u1ee7ng.<\/span><\/p>\n<figure id=\"attachment_45647\" aria-describedby=\"caption-attachment-45647\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-45647 size-full\" title=\"Ph\u00e2n c\u1ef1c ng\u01b0\u1ee3c cho Diode\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-9.jpg\" alt=\"Ph\u00e2n c\u1ef1c ng\u01b0\u1ee3c cho Diode\" width=\"750\" height=\"250\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-9.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-9-300x100.jpg 300w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-9-510x170.jpg 510w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-45647\" class=\"wp-caption-text\">Ph\u00e2n c\u1ef1c ng\u01b0\u1ee3c cho Diode<img decoding=\"async\" style=\"font-size: 17px; color: #555555;\" src=\"https:\/\/hocvienit.vn\/images\/gallery\/diot-cach-kiem-tra-do-dat-diot-7.PNG\" alt=\"\" \/><\/figcaption><\/figure>\n<h3 align=\"left\"><span style=\"font-size: 17px;\"><em><strong>2.4 \u2013 Ph\u01b0\u01a1ng ph\u00e1p \u0111o ki\u1ec3m tra Diode<\/strong><\/em><\/span><\/h3>\n<figure id=\"attachment_45648\" aria-describedby=\"caption-attachment-45648\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-45648 size-full\" title=\"\u0110o ki\u1ec3m tra Diode\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-10.jpg\" alt=\"\u0110o ki\u1ec3m tra Diode\" width=\"750\" height=\"425\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-10.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-10-300x170.jpg 300w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-10-510x289.jpg 510w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-45648\" class=\"wp-caption-text\">\u0110o ki\u1ec3m tra Diode<\/figcaption><\/figure>\n<p><span style=\"font-size: 17px;\">\u0110\u1eb7t \u0111\u1ed3ng h\u1ed3 \u1edf thang x 1\u03a9, \u0111\u1eb7t hai que \u0111o v\u00e0o hai \u0111\u1ea7u Diode, n\u1ebfu :<\/span><\/p>\n<ul>\n<li><span style=\"font-size: 17px;\">\u0110o chi\u1ec1u thu\u1eadn que \u0111en v\u00e0o An\u00f4t, que \u0111\u1ecf v\u00e0o Kat\u00f4t =&gt; kim l\u00ean, \u0111\u1ea3o chi\u1ec1u \u0111o kim kh\u00f4ng l\u00ean l\u00e0 =&gt; Diode t\u1ed1t<\/span><\/li>\n<li><span style=\"font-size: 17px;\">N\u1ebfu \u0111o c\u1ea3 hai chi\u1ec1u kim l\u00ean = 0\u03a9\u00a0 =&gt; l\u00e0 Diode b\u1ecb ch\u1eadp.<\/span><\/li>\n<li><span style=\"font-size: 17px;\">N\u1ebfu \u0111o thu\u1eadn chi\u1ec1u m\u00e0 kim kh\u00f4ng l\u00ean =&gt; l\u00e0 Diode b\u1ecb \u0111\u1ee9t.<\/span><\/li>\n<li><span style=\"font-size: 17px;\">\u1ede ph\u00e9p \u0111o tr\u00ean th\u00ec Diode\u00a0 D1 t\u1ed1t , Diode D2 b\u1ecb ch\u1eadp v\u00e0 D3 b\u1ecb \u0111\u1ee9t<\/span><\/li>\n<li><span style=\"font-size: 17px;\">N\u1ebfu \u0111\u1ec3 thang 1K\u03a9 m\u00e0 \u0111o ng\u01b0\u1ee3c v\u00e0o Diode kim v\u1eabn l\u00ean m\u1ed9t ch\u00fat l\u00e0 Diode b\u1ecb d\u00f2.<\/span><\/li>\n<\/ul>\n<h3 align=\"left\"><span style=\"font-size: 17px;\"><em><strong>2.5 \u2013 \u1ee8ng d\u1ee5ng c\u1ee7a Diode b\u00e1n d\u1eabn<\/strong><\/em><\/span><\/h3>\n<p style=\"text-align: justify;\" align=\"left\"><span style=\"font-size: 17px;\">* Do t\u00ednh ch\u1ea5t d\u1eabn \u0111i\u1ec7n m\u1ed9t chi\u1ec1u n\u00ean Diode <\/span><span style=\"font-size: 17px;\">th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c m\u1ea1ch ch\u1ec9nh l\u01b0u ngu\u1ed3n xoay chi\u1ec1u th\u00e0nh m\u1ed9t <\/span><span style=\"font-size: 17px;\">chi\u1ec1u, c\u00e1c m\u1ea1ch t\u00e1ch s\u00f3ng, m\u1ea1ch gim \u00e1p ph\u00e2n c\u1ef1c cho transistor ho\u1ea1t <\/span><span style=\"font-size: 17px;\">\u0111\u1ed9ng. trong m\u1ea1ch ch\u1ec9nh l\u01b0u Diode c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p th\u00e0nh Diode c\u1ea7u <\/span><span style=\"font-size: 17px;\">c\u00f3 d\u1ea1ng.<\/span><\/p>\n<figure id=\"attachment_45649\" aria-describedby=\"caption-attachment-45649\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-45649 size-full\" title=\"Diode c\u1ea7u trong m\u1ea1ch ch\u1ec9nh l\u01b0u \u0111i\u1ec7n xoay chi\u1ec1u\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-11.jpg\" alt=\"Diode c\u1ea7u trong m\u1ea1ch ch\u1ec9nh l\u01b0u \u0111i\u1ec7n xoay chi\u1ec1u\" width=\"750\" height=\"315\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-11.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-11-300x126.jpg 300w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-11-510x214.jpg 510w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-45649\" class=\"wp-caption-text\">Diode c\u1ea7u trong m\u1ea1ch ch\u1ec9nh l\u01b0u \u0111i\u1ec7n xoay chi\u1ec1u<img decoding=\"async\" style=\"font-size: 17px; color: #555555;\" src=\"https:\/\/hocvienit.vn\/images\/gallery\/diot-cach-kiem-tra-do-dat-diot-9.PNG\" alt=\"\" \/><\/figcaption><\/figure>\n<h2><span style=\"font-size: 17px;\"><strong>3 \u2013 C\u00e1c lo\u1ea1i Diode<\/strong><\/span><\/h2>\n<h3><span style=\"font-size: 17px;\"><em><strong>3.1 &#8211;\u00a0 Diode Zener<\/strong><\/em><\/span><\/h3>\n<p><span style=\"font-size: 17px;\"><strong>* C\u1ea5u t\u1ea1o:<\/strong><\/span><br \/>\n<span style=\"font-size: 17px;\">Diode Zener c\u00f3 c\u1ea5u t\u1ea1o t\u01b0\u01a1ng t\u1ef1 Diode th\u01b0\u1eddng nh\u01b0ng c\u00f3 hai l\u1edbp b\u00e1n d\u1eabn P <\/span><span style=\"font-size: 17px;\">&#8211; N gh\u00e9p v\u1edbi nhau. Diode Zener \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong ch\u1ebf \u0111\u1ed9 ph\u00e2n c\u1ef1c <\/span><span style=\"font-size: 17px;\">ng\u01b0\u1ee3c, khi ph\u00e2n c\u1ef1c thu\u1eadn Diode zener nh\u01b0 diode th\u01b0\u1eddng nh\u01b0ng khi ph\u00e2n <\/span><span style=\"font-size: 17px;\">c\u1ef1c ng\u01b0\u1ee3c Diode zener s\u1ebd ghim l\u1ea1i m\u1ed9t m\u1ee9c \u0111i\u1ec7n \u00e1p c\u1ed1 \u0111\u1ecbnh b\u1eb1ng gi\u00e1 tr\u1ecb <\/span><span style=\"font-size: 17px;\">ghi tr\u00ean diode.<\/span><\/p>\n<figure id=\"attachment_45650\" aria-describedby=\"caption-attachment-45650\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-45650 size-full\" title=\"Diode Zener\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-12.jpg\" alt=\"Diode Zener\" width=\"750\" height=\"315\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-12.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-12-300x126.jpg 300w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-12-510x214.jpg 510w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-45650\" class=\"wp-caption-text\">Diode Zener<img decoding=\"async\" style=\"font-size: 17px; color: #555555;\" src=\"https:\/\/hocvienit.vn\/images\/gallery\/diot-cach-kiem-tra-do-dat-diot-10.PNG\" alt=\"\" \/><\/figcaption><\/figure>\n<ul>\n<li><span style=\"font-size: 17px;\">S\u01a1 \u0111\u1ed3 tr\u00ean minh ho\u1ea1 \u1ee9ng d\u1ee5ng c\u1ee7a Dz, ngu\u1ed3n U1 l\u00e0 ngu\u1ed3n c\u00f3 \u0111i\u1ec7n \u00e1p thay \u0111\u1ed5i, Dz l\u00e0 diode \u1ed5n \u00e1p, R1 l\u00e0 tr\u1edf h\u1ea1n d\u00f2ng.<\/span><\/li>\n<li><span style=\"font-size: 17px;\">Ta th\u1ea5y r\u1eb1ng khi ngu\u1ed3n U1 &gt; Dz th\u00ec \u00e1p tr\u00ean Dz lu\u00f4n lu\u00f4n c\u1ed1 \u0111\u1ecbnh cho d\u00f9 ngu\u1ed3n U1 thay \u0111\u1ed5i.<\/span><\/li>\n<li><span style=\"font-size: 17px;\">Khi ngu\u1ed3n U1 thay \u0111\u1ed5i th\u00ec d\u00f2ng ng\u01b0\u1ee3c qua Dz thay \u0111\u1ed5i, d\u00f2ng ng\u01b0\u1ee3c qua Dz c\u00f3 gi\u00e1 tr\u1ecb gi\u1edbi h\u1ea1n kho\u1ea3ng 30mA.<\/span><\/li>\n<li><span style=\"font-size: 17px;\">Th\u00f4ng th\u01b0\u1eddng ng\u01b0\u1eddi ta s\u1eed d\u1ee5ng ngu\u1ed3n U1 &gt; 1,5 =&gt; 2<\/span><\/li>\n<\/ul>\n<p><span style=\"font-size: 17px;\">l\u1ea7n Dz v\u00e0 l\u1eafp tr\u1edf h\u1ea1n d\u00f2ng R1 sao cho d\u00f2ng ng\u01b0\u1ee3c l\u1edbn nh\u1ea5t qua Dz <\/span><span style=\"font-size: 17px;\">&lt; 30mA.<\/span><span style=\"font-size: 17px;\"><img decoding=\"async\" src=\"https:\/\/hocvienit.vn\/images\/gallery\/diot-cach-kiem-tra-do-dat-diot-11.PNG\" alt=\"\" \/><\/span><\/p>\n<h3 align=\"left\"><span style=\"font-size: 17px;\"><em><strong>3.2 &#8211;\u00a0 Diode Thu quang (Photo Diode)<\/strong><\/em><\/span><\/h3>\n<p style=\"text-align: justify;\" align=\"left\"><span style=\"font-size: 17px;\">Diode <\/span><span style=\"font-size: 17px;\">thu quang ho\u1ea1t \u0111\u1ed9ng \u1edf ch\u1ebf \u0111\u1ed9 ph\u00e2n c\u1ef1c ngh\u1ecbch, v\u1ecf diode c\u00f3 m\u1ed9t mi\u1ebfng <\/span><span style=\"font-size: 17px;\">thu\u1ef7 tinh \u0111\u1ec3 \u00e1nh s\u00e1ng chi\u1ebfu v\u00e0o m\u1ed1i P \u2013 N , d\u00f2ng \u0111i\u1ec7n ng\u01b0\u1ee3c qua diode <\/span><span style=\"font-size: 17px;\">t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi c\u01b0\u1eddng \u0111\u1ed9 \u00e1nh s\u00e1ng chi\u1ebfu v\u00e0o diode.<\/span><\/p>\n<figure id=\"attachment_45652\" aria-describedby=\"caption-attachment-45652\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-45652 size-full\" title=\"Minh ho\u1ea1 s\u1ef1 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a Photo Diode\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-14.jpg\" alt=\"Minh ho\u1ea1 s\u1ef1 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a Photo Diode\" width=\"750\" height=\"315\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-14.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-14-300x126.jpg 300w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-14-510x214.jpg 510w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-45652\" class=\"wp-caption-text\">Minh ho\u1ea1 s\u1ef1 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a Photo Diode<img decoding=\"async\" style=\"font-size: 17px; color: #555555;\" src=\"https:\/\/hocvienit.vn\/images\/gallery\/diot-cach-kiem-tra-do-dat-diot-122.png\" alt=\"\" \/><\/figcaption><\/figure>\n<h3><span style=\"font-size: 17px;\"><em><strong>3.3 &#8211;\u00a0 Diode Ph\u00e1t quang (Light Emiting Diode: LED)<\/strong><\/em><\/span><\/h3>\n<p><span style=\"font-size: 17px;\">Diode <\/span><span style=\"font-size: 17px;\">ph\u00e1t phang l\u00e0 Diode ph\u00e1t ra \u00e1nh s\u00e1ng khi \u0111\u01b0\u1ee3c ph\u00e2n c\u1ef1c thu\u1eadn, \u0111i\u1ec7n \u00e1p <\/span><span style=\"font-size: 17px;\">l\u00e0m vi\u1ec7c c\u1ee7a LED kho\u1ea3ng 1,7 =&gt; 2,2V d\u00f2ng qua Led kho\u1ea3ng t\u1eeb 5mA \u0111\u1ebfn <\/span><span style=\"font-size: 17px;\">20mA<\/span><\/p>\n<p><span style=\"font-size: 17px;\">Led \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m \u0111\u00e8n b\u00e1o ngu\u1ed3n, \u0111\u00e8n nh\u00e1y trang tr\u00ed, b\u00e1o tr\u1ea1ng th\u00e1i c\u00f3 \u0111i\u1ec7n\u2026<\/span><\/p>\n<figure id=\"attachment_45653\" aria-describedby=\"caption-attachment-45653\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-45653 size-full\" title=\"Diode ph\u00e1t quang LED\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-15.jpg\" alt=\"Diode ph\u00e1t quang LED\" width=\"750\" height=\"315\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-15.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-15-300x126.jpg 300w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-15-510x214.jpg 510w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-45653\" class=\"wp-caption-text\">Diode ph\u00e1t quang LED<img decoding=\"async\" style=\"font-size: 17px; color: #555555;\" src=\"https:\/\/hocvienit.vn\/images\/gallery\/diot-cach-kiem-tra-do-dat-diot-13.PNG\" alt=\"\" \/><\/figcaption><\/figure>\n<h3 align=\"left\"><span style=\"font-size: 17px;\"><em><strong>3.4 \u2013 Diode Varicap (Diode bi\u1ebfn dung)<\/strong><\/em><\/span><\/h3>\n<p align=\"left\"><span style=\"font-size: 17px;\">Diode bi\u1ebfn dung l\u00e0 Diode c\u00f3 \u0111i\u1ec7n dung nh\u01b0 t\u1ee5 \u0111i\u1ec7n v\u00e0 \u0111i\u1ec7n dung bi\u1ebfn \u0111\u1ed5i khi ta thay \u0111\u1ed5i \u0111i\u1ec7n \u00e1p ng\u01b0\u1ee3c \u0111\u1eb7t v\u00e0o Diode.<\/span><\/p>\n<figure id=\"attachment_45654\" aria-describedby=\"caption-attachment-45654\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-45654 size-full\" title=\"\u1ee8ng d\u1ee5ng c\u1ee7a Diode bi\u1ebfn dung Varicap (VD) trong m\u1ea1ch c\u1ed9ng h\u01b0\u1edfng\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-16.jpg\" alt=\"\u1ee8ng d\u1ee5ng c\u1ee7a Diode bi\u1ebfn dung Varicap (VD) trong m\u1ea1ch c\u1ed9ng h\u01b0\u1edfng\" width=\"750\" height=\"315\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-16.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-16-300x126.jpg 300w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-16-510x214.jpg 510w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-45654\" class=\"wp-caption-text\">\u1ee8ng d\u1ee5ng c\u1ee7a Diode bi\u1ebfn dung Varicap (VD) trong m\u1ea1ch c\u1ed9ng h\u01b0\u1edfng<img decoding=\"async\" style=\"font-size: 17px; color: #555555;\" src=\"https:\/\/hocvienit.vn\/images\/gallery\/diot-cach-kiem-tra-do-dat-diot-14.PNG\" alt=\"\" \/><\/figcaption><\/figure>\n<p><span style=\"font-size: 17px;\">\u1ede h\u00ecnh tr\u00ean\u00a0 khi ta ch\u1ec9nh tri\u1ebft \u00e1p VR, \u0111i\u1ec7n \u00e1p <\/span><span style=\"font-size: 17px;\">ng\u01b0\u1ee3c \u0111\u1eb7t v\u00e0o Diode Varicap thay \u0111\u1ed5i, \u0111i\u1ec7n dung c\u1ee7a diode thay \u0111\u1ed5i <\/span><span style=\"font-size: 17px;\">=&gt; l\u00e0m thay \u0111\u1ed5i t\u1ea7n s\u1ed1 c\u00f4ng h\u01b0\u1edfng c\u1ee7a m\u1ea1ch.<\/span><\/p>\n<p><span style=\"font-size: 17px;\">Diode bi\u1ebfn dung \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c b\u1ed9 k\u00eanh Ti vi m\u1ea7u, trong c\u00e1c m\u1ea1ch \u0111i\u1ec1u ch\u1ec9nh t\u1ea7n s\u1ed1 c\u1ed9ng h\u01b0\u1edfng b\u1eb1ng \u0111i\u1ec7n \u00e1p.<\/span><\/p>\n<h3 align=\"left\"><span style=\"font-size: 17px;\"><em><strong>3.5 &#8211;\u00a0 Diode xung<\/strong><\/em><\/span><\/h3>\n<p style=\"text-align: justify;\" align=\"left\"><span style=\"font-size: 17px;\">Trong <\/span><span style=\"font-size: 17px;\">c\u00e1c b\u1ed9 ngu\u1ed3n xung th\u00ec \u1edf \u0111\u1ea7u ra c\u1ee7a bi\u1ebfn \u00e1p xung , ta ph\u1ea3i d\u00f9ng Diode <\/span><span style=\"font-size: 17px;\">xung \u0111\u1ec3 ch\u1ec9nh l\u01b0u. diode xung l\u00e0 diode l\u00e0m vi\u1ec7c \u1edf t\u1ea7n s\u1ed1 cao kho\u1ea3ng v\u00e0i <\/span><span style=\"font-size: 17px;\">ch\u1ee5c KHz , diode n\u1eafn \u0111i\u1ec7n th\u00f4ng th\u01b0\u1eddng kh\u00f4ng th\u1ec3 thay th\u1ebf v\u00e0o v\u1ecb tr\u00ed <\/span><span style=\"font-size: 17px;\">diode xung \u0111\u01b0\u1ee3c, nh\u01b0ng ng\u1ef1\u01a1c l\u1ea1i diode xung c\u00f3 th\u1ec3 thay th\u1ebf cho v\u1ecb tr\u00ed <\/span><span style=\"font-size: 17px;\">diode th\u01b0\u1eddng, diode xung c\u00f3 gi\u00e1 th\u00e0nh cao h\u01a1n diode th\u01b0\u1eddng nhi\u1ec1u l\u1ea7n.<\/span><\/p>\n<p><span style=\"font-size: 17px;\">V\u1ec1 \u0111\u1eb7c \u0111i\u1ec3m, h\u00ecnh d\u00e1ng th\u00ec Diode xung kh\u00f4ng c\u00f3 g\u00ec kh\u00e1c bi\u1ec7t v\u1edbi Diode<\/span><br \/>\n<span style=\"font-size: 17px;\">th\u01b0\u1eddng, tuy nhi\u00ean Diode xung th\u01b0\u1eddng c\u00f3 v\u00f2ng d\u00e1nh d\u1ea5u \u0111\u1ee9t n\u00e9t ho\u1eb7c<\/span><br \/>\n<span style=\"font-size: 17px;\">\u0111\u00e1nh d\u1ea5u b\u1eb1ng hai v\u00f2ng.<\/span><\/p>\n<figure id=\"attachment_45655\" aria-describedby=\"caption-attachment-45655\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-45655 size-full\" title=\"K\u00fd hi\u1ec7u c\u1ee7a Diode xung\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-17.jpg\" alt=\"K\u00fd hi\u1ec7u c\u1ee7a Diode xung\" width=\"750\" height=\"315\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-17.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-17-300x126.jpg 300w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-17-510x214.jpg 510w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-45655\" class=\"wp-caption-text\">K\u00fd hi\u1ec7u c\u1ee7a Diode xung<img decoding=\"async\" style=\"font-size: 17px; color: #555555;\" src=\"https:\/\/hocvienit.vn\/images\/gallery\/diot-cach-kiem-tra-do-dat-diot-15.PNG\" alt=\"\" \/><\/figcaption><\/figure>\n<h3 align=\"left\"><span style=\"font-size: 17px;\"><em><strong>3.6\u00a0 \u2013 Diode t\u00e1ch s\u00f3ng<\/strong><\/em><\/span><\/h3>\n<p><span style=\"font-size: 17px;\">L\u00e0 lo\u1ea1i Diode nh\u1ecf v\u1edf b\u1eb1ng thu\u1ef7 tinh v\u00e0 c\u00f2n g\u1ecdi l\u00e0 diode ti\u1ebfp \u0111i\u1ec3m v\u00ec <\/span><span style=\"font-size: 17px;\">m\u1eb7t ti\u1ebfp x\u00fac gi\u1eefa hai ch\u1ea5t b\u00e1n d\u1eabn P \u2013 N t\u1ea1i m\u1ed9t \u0111i\u1ec3m \u0111\u1ec3 tr\u00e1nh \u0111i\u1ec7n <\/span><span style=\"font-size: 17px;\">dung k\u00fd sinh, diode t\u00e1ch s\u00f3ng th\u01b0\u1eddng d\u00f9ng trong c\u00e1c m\u1ea1ch cao t\u1ea7n d\u00f9ng <\/span><span style=\"font-size: 17px;\">\u0111\u1ec3 t\u00e1ch s\u00f3ng t\u00edn hi\u1ec7u.<\/span><\/p>\n<h3 align=\"left\"><span style=\"font-size: 17px;\"><em><strong>3.7 \u2013 Diode n\u1eafn \u0111i\u1ec7n<\/strong><\/em><\/span><\/h3>\n<p><span style=\"font-size: 17px;\">L\u00e0 Diode ti\u1ebfp m\u1eb7t d\u00f9ng \u0111\u1ec3 n\u1eafn \u0111i\u1ec7n trong c\u00e1c b\u1ed9 ch\u1ec9nh l\u01b0u ngu\u1ed3n AC 50Hz<\/span><span style=\"font-size: 17px;\">, Diode n\u00e0y th\u01b0\u1eddng c\u00f3 3 lo\u1ea1i l\u00e0 1A, 2A v\u00e0 5A.<\/span><\/p>\n<figure id=\"attachment_45656\" aria-describedby=\"caption-attachment-45656\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-45656 size-full\" title=\"Diode n\u1eafn \u0111i\u1ec7n 5A\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-18.jpg\" alt=\"Diode n\u1eafn \u0111i\u1ec7n 5A\" width=\"750\" height=\"315\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-18.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-18-300x126.jpg 300w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/di-ot-diode-cach-kiem-tra-do-dat-di-ot-18-510x214.jpg 510w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-45656\" class=\"wp-caption-text\">Diode n\u1eafn \u0111i\u1ec7n 5A<img decoding=\"async\" style=\"font-size: 17px; color: #555555;\" src=\"https:\/\/hocvienit.vn\/images\/gallery\/diot-cach-kiem-tra-do-dat-diot-16.PNG\" alt=\"\" \/><\/figcaption><\/figure>\n<\/div>\n<div style=\"text-align: justify;\">\n<p style=\"text-align: justify;\"><span style=\"font-size: 17px;\"><i>M\u1ecdi chi ti\u1ebft xin vui l\u00f2ng li\u00ean h\u1ec7:<\/i><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 17px;\"><strong>C\u00d4NG TY C\u1ed4 PH\u1ea6N H\u1eccC VI\u1ec6N IT<\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 17px;\"><strong>MST: 0108733789<\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 17px;\"><strong>Hotline: 0981 223 001<\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 17px;\"><strong>Facebook:<\/strong>\u00a0<a href=\"http:\/\/www.fb.com\/hocvienit\" target=\"_blank\" rel=\"noopener\">www.fb.com\/hocvienit<\/a><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 17px;\"><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\">http:\/\/bit.ly\/Youtube_HOCVIENiT<\/a><\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-size: 17px;\"><strong>Tham gia c\u1ed9ng \u0111\u1ed3ng H\u1ecdc vi\u1ec7n IT.vn t\u1ea1i:<\/strong>\u00a0<a href=\"https:\/\/www.facebook.com\/groups\/www.hocvienit.vn\/\" target=\"_blank\" rel=\"noopener\">https:\/\/www.facebook.com\/groups\/www.hocvienit.vn\/<\/a><\/span><br \/>\n<i><\/i><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 17px;\"><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><\/span><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Ch\u1ea5t b\u00e1n d\u1eabn l\u00e0 nguy\u00ean li\u1ec7u \u0111\u1ec3 s\u1ea3n xu\u1ea5t ra c\u00e1c lo\u1ea1i linh ki\u1ec7n b\u00e1n d\u1eabn nh\u01b0 Diode, Transistor, IC m\u00e0 ta \u0111\u00e3 th\u1ea5y trong c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed ng\u00e0y nay. Ch\u1ea5t b\u00e1n d\u1eabn l\u00e0 nh\u1eefng ch\u1ea5t c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m trung gian gi\u1eefa ch\u1ea5t d\u1eabn \u0111i\u1ec7n v\u00e0 ch\u1ea5t c\u00e1ch \u0111i\u1ec7n.<\/p>\n","protected":false},"author":95,"featured_media":12297,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[96,94],"tags":[248],"_links":{"self":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/posts\/2332"}],"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=2332"}],"version-history":[{"count":0,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/posts\/2332\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/media\/12297"}],"wp:attachment":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2332"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2332"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2332"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}