{"id":2372,"date":"2018-07-11T08:24:41","date_gmt":"2018-07-11T08:24:41","guid":{"rendered":"https:\/\/hocvienit.vn\/?p=2372"},"modified":"2025-02-08T11:34:17","modified_gmt":"2025-02-08T04:34:17","slug":"cac-dang-mac-mach-co-ban-va-cac-ho-dac-tuyen-cua-tranzitor","status":"publish","type":"post","link":"https:\/\/hocvienit.vn\/?p=2372","title":{"rendered":"C\u00e1c d\u1ea1ng m\u1eafc c\u01a1 b\u1ea3n v\u00e0 c\u00e1c h\u1ecd \u0111\u1eb7c tuy\u1ebfn c\u1ee7a Transistor"},"content":{"rendered":"<figure id=\"attachment_12334\" aria-describedby=\"caption-attachment-12334\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-12334 size-full\" title=\"C\u00e1c d\u1ea1ng m\u1eafc c\u01a1 b\u1ea3n v\u00e0 c\u00e1c h\u1ecd \u0111\u1eb7c tuy\u1ebfn c\u1ee7a Transistor\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/cac-dang-may-co-ban-va-cac-ho-dac-tuyen-cua-transistor.jpg\" alt=\"C\u00e1c d\u1ea1ng m\u1eafc c\u01a1 b\u1ea3n v\u00e0 c\u00e1c h\u1ecd \u0111\u1eb7c tuy\u1ebfn c\u1ee7a Transistor\" width=\"750\" height=\"400\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/cac-dang-may-co-ban-va-cac-ho-dac-tuyen-cua-transistor.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/cac-dang-may-co-ban-va-cac-ho-dac-tuyen-cua-transistor-510x272.jpg 510w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/cac-dang-may-co-ban-va-cac-ho-dac-tuyen-cua-transistor-300x160.jpg 300w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/cac-dang-may-co-ban-va-cac-ho-dac-tuyen-cua-transistor-600x320.jpg 600w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-12334\" class=\"wp-caption-text\"><\/span> <span style=\"font-size: 17px;\">C\u00e1c d\u1ea1ng m\u1eafc c\u01a1 b\u1ea3n v\u00e0 c\u00e1c h\u1ecd \u0111\u1eb7c tuy\u1ebfn c\u1ee7a Transistor<\/span><\/figcaption><\/figure>\n<h2 style=\"text-align: justify;\"><span style=\"font-size: 24px;\"><strong>1.S\u01a1 \u0111\u1ed3 Emit\u01a1 chung (EC)<\/strong><\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-size: 17px;\">Trong c\u00e1ch m\u1eafc EC, \u0111i\u1ec7n \u00e1p v\u00e0o \u0111\u01b0\u1ee3c l\u1ea5y gi\u1eefa c\u1ef1c B v\u00e0 c\u1ef1c E, \u0111i\u1ec7n \u00e1p ra l\u1ea5y t\u1eeb c\u1ef1c C v\u00e0 c\u1ef1c E.<\/span><\/p>\n<figure id=\"attachment_45194\" aria-describedby=\"caption-attachment-45194\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-45194 size-full\" title=\" S\u01a1 \u0111\u1ed3 l\u1ea5y \u0111\u1eb7c tuy\u1ebfn\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/cac-dang-mac-mach-co-ban-va-cac-ho-dac-tuyen-cua-tranzitor-2.jpg\" alt=\" S\u01a1 \u0111\u1ed3 l\u1ea5y \u0111\u1eb7c tuy\u1ebfn\" width=\"750\" height=\"260\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/cac-dang-mac-mach-co-ban-va-cac-ho-dac-tuyen-cua-tranzitor-2.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/cac-dang-mac-mach-co-ban-va-cac-ho-dac-tuyen-cua-tranzitor-2-300x104.jpg 300w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/cac-dang-mac-mach-co-ban-va-cac-ho-dac-tuyen-cua-tranzitor-2-510x177.jpg 510w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-45194\" class=\"wp-caption-text\"><\/span> <span style=\"font-size: 17px;\">S\u01a1 \u0111\u1ed3 l\u1ea5y \u0111\u1eb7c tuy\u1ebfn<\/span><\/figcaption><\/figure>\n<p style=\"text-align: justify;\"><span style=\"font-size: 17px;\">D\u00f2ng \u0111i\u1ec7n v\u00e0o, \u0111i\u1ec7n \u00e1p v\u00e0o, d\u00f2ng \u0111i\u1ec7n ra v\u00e0 \u0111i\u1ec7n \u00e1p ra \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng mili ampe k\u1ebf v\u00e0 v\u00f4n k\u1ebf nh\u01b0 h\u00ecnh v\u1ebd tr\u00ean:<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"font-size: 20px;\">1.1 H\u1ecd \u0111\u1eb7c tuy\u1ebfn v\u00e0o IB = f(UBE) khi UCE = const<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-size: 17px;\">Ta d\u00f9ng c\u00e1c ngu\u1ed3n U1, U2 \u0111\u1ec3 ph\u00e2n c\u1ef1c cho c\u00e1c ti\u1ebfp gi\u00e1p JE, JC.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 17px;\">\u0110\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u1eb7c tuy\u1ebfn v\u00e0o, c\u1ea7n gi\u1eef UCE = const, thay \u0111\u1ed5i tr\u1ecb s\u1ed1 \u0111i\u1ec7n \u00e1p UBE b\u1eb1ng c\u00e1ch \u0111i\u1ec1u ch\u1ec9nh bi\u1ebfn tr\u1edf VR1 v\u00e0 ghi l\u1ea1i c\u00e1c gi\u00e1 tr\u1ecb t\u01b0\u01a1ng \u1ee9ng IB, thay \u0111\u1ed5i UCE \u0111\u1ebfn m\u1ed9t gi\u00e1 tr\u1ecb kh\u00e1c v\u00e0 l\u00e0m t\u01b0\u01a1ng t\u1ef1 ta s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c h\u1ecd \u0111\u1eb7c tuy\u1ebfn v\u00e0o nh\u01b0 h\u00ecnh v\u1ebd b\u00ean d\u01b0\u1edbi.<\/span><\/p>\n<figure id=\"attachment_45195\" aria-describedby=\"caption-attachment-45195\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-45195 size-full\" title=\"H\u1ecd \u0111\u1eb7c tuy\u1ebfn v\u00e0o\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/cac-dang-mac-mach-co-ban-va-cac-ho-dac-tuyen-cua-tranzitor-3.jpg\" alt=\"H\u1ecd \u0111\u1eb7c tuy\u1ebfn v\u00e0o\" width=\"750\" height=\"260\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/cac-dang-mac-mach-co-ban-va-cac-ho-dac-tuyen-cua-tranzitor-3.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/cac-dang-mac-mach-co-ban-va-cac-ho-dac-tuyen-cua-tranzitor-3-300x104.jpg 300w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/cac-dang-mac-mach-co-ban-va-cac-ho-dac-tuyen-cua-tranzitor-3-510x177.jpg 510w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-45195\" class=\"wp-caption-text\"><\/span> <span style=\"font-size: 17px;\">H\u1ecd \u0111\u1eb7c tuy\u1ebfn v\u00e0o<\/span><\/figcaption><\/figure>\n<p style=\"text-align: justify;\"><span style=\"font-size: 17px;\">Ta th\u1ea5y, \u0111\u1eb7c tuy\u1ebfn v\u00e0o gi\u1ed1ng nh\u01b0 \u0111\u1eb7c tuy\u1ebfn thu\u1eadn c\u1ee7a ti\u1ebfp gi\u00e1p P-N. Khi UBE &gt; U0 th\u00ec d\u00f2ng IB t\u0103ng nhanh theo UBE.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 17px;\">\u1ee8ng v\u1edbi m\u1ed9t gi\u00e1 tr\u1ecb c\u1ee7a UBE khi t\u0103ng UCE th\u00ec \u0111\u1eb7c tuy\u1ebfn d\u1ecbch sang ph\u1ea3i, d\u00f2ng IB gi\u1ea3m, v\u00ec: khi t\u0103ng UCE t\u1ee9c l\u00e0 UCE = UCB + UBE, coi UBE = const, t\u1ee9c l\u00e0 t\u0103ng UCB, \u0111i\u1ec7n \u00e1p ng\u01b0\u1ee3c c\u1ee7a ti\u1ebfp gi\u00e1p JC t\u0103ng v\u00f9ng ngh\u00e8o m\u1edf r\u1ed9ng ch\u1ee7 y\u1ebfu v\u1ec1 mi\u1ec1n baz\u01a1 pha t\u1ea1p \u00edt, do \u0111\u00f3 kh\u1ea3 n\u0103ng t\u00e1i h\u1ee3p c\u1ee7a \u0111i\u1ec7n t\u1eed v\u00e0 l\u1ed7 tr\u1ed1ng trong mi\u1ec1n g\u1ed1c gi\u1ea3m \uf0ae do \u0111\u00f3 d\u00f2ng IB gi\u1ea3m.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"font-size: 20px;\">1.2. H\u1ecd \u0111\u1eb7c tuy\u1ebfn ra IC =f(UCE) khi IB = const<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-size: 17px;\"><img decoding=\"async\" src=\"https:\/\/hocvienit.vn\/images\/gallery\/cac-dang-mac-mach-co-ban-3.PNG\" alt=\"\" border=\"0\" \/>\u0110\u1ec3 v\u1ebd \u0111\u1eb7c tuy\u1ebfn ra, gi\u1eef IB = const, thay \u0111\u1ed5i UCE v\u00e0 ghi l\u1ea1i c\u00e1c gi\u00e1 tr\u1ecb t\u01b0\u01a1ng \u1ee9ng c\u1ee7a d\u00f2ng IC. Thay \u0111\u1ed5i IB \u0111\u1ebfn gi\u00e1 tr\u1ecb c\u1ed1 \u0111\u1ecbnh kh\u00e1c v\u00e0 l\u00e0m t\u01b0\u01a1ng t\u1ef1 nh\u01b0 tr\u00ean s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c h\u1ecd \u0111\u1eb7c tuy\u1ebfn ra bi\u1ec3u th\u1ecb m\u1ed1i quan h\u1ec7 gi\u1eefa UCE v\u1edbi d\u00f2ng IC.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 17px;\">H\u1ecd \u0111\u1eb7c tuy\u1ebfn ra chia l\u00e0m 3 v\u00f9ng: Tuy\u1ebfn t\u00ednh, b\u00e3o ho\u00e0, c\u1eaft d\u00f2ng:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li><span style=\"font-size: 17px;\"><strong>V\u00f9ng (1)\u0081 (v\u00f9ng c\u1eaft d\u00f2ng):<\/strong> v\u1edbi ti\u1ebfp gi\u00e1p g\u00f3p JC ph\u00e2n c\u1ef1c ng\u01b0\u1ee3c, ti\u1ebfp gi\u00e1p JE \u0111\u01b0\u1ee3c ph\u00e2n c\u1ef1c kh\u00f4ng (uBE=0) ho\u1eb7c ph\u00e2n c\u1ef1c ng\u01b0\u1ee3c. D\u00f2ng \u0111i\u1ec7n tr\u00ean c\u1ef1c g\u00f3p ch\u1ec9 l\u00e0 d\u00f2ng \u0111i\u1ec7n ng\u01b0\u1ee3c c\u1ee7a ti\u1ebfp gi\u00e1p JC (iC=iCB0 \u00bb 0).<\/span><\/li>\n<li><span style=\"font-size: 17px;\"><strong>V\u00f9ng (2) (v\u00f9ng khu\u1ebfch \u0111\u1ea1i):<\/strong> v\u1edbi ti\u1ebfp gi\u00e1p g\u00f3p JC ph\u00e2n c\u1ef1c ng\u01b0\u1ee3c, ti\u1ebfp gi\u00e1p ph\u00e1t JE ph\u00e2n c\u1ef1c thu\u1eadn. V\u00f9ng n\u00e0y d\u00f2ng \u0111i\u1ec7n c\u1ef1c g\u1ed1c iB g\u1ea7n nh\u01b0 t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi uBE (trong ph\u1ea1m vi t\u00edn hi\u1ec7u b\u00e9) v\u00e0 \u0111\u01b0\u1ee3c d\u00f9ng l\u00e0m v\u00f9ng l\u00e0m vi\u1ec7c c\u1ee7a c\u00e1c b\u1ed9 khu\u1ebfch \u0111\u1ea1i v\u00ec:<\/span>\n<ul>\n<li><span style=\"font-size: 17px;\">iB = uBE \/ Rv\u00e0o = uv\u00e0o \/ Rv\u00e0o; iC = \u03b2iB = \u03b2 * uv\u00e0o \/ Rv\u00e0o<\/span><\/li>\n<li><span style=\"font-size: 17px;\">ura = E &#8211; iC * RC = E &#8211; RC \/ Rv\u00e0o * \u03b2 * uv\u00e0o<img decoding=\"async\" src=\"https:\/\/hocvienit.vn\/images\/dientucoban\/tranzito-images-2.PNG\" alt=\"\" border=\"0\" \/><\/span><\/li>\n<\/ul>\n<\/li>\n<li><span style=\"font-size: 17px;\"><strong>V\u00f9ng (3) (v\u00f9ng b\u00e3o h\u00f2a):<\/strong> l\u00e0 v\u00f9ng m\u00e0 v\u1edbi m\u1ecdi gi\u00e1 tr\u1ecb iB kh\u00e1c nhau th\u00ec d\u00f2ng iC ch\u1ec9 c\u00f3 m\u1ed9t gi\u00e1 tr\u1ecb c\u1ed1 \u0111\u1ecbnh (v\u1edbi c\u00e1c tham s\u1ed1 x\u00e1c \u0111\u1ecbnh c\u1ee7a m\u1ea1ch). Khi \u0111\u00f3 \u0111i\u1ec7n \u00e1p gi\u1eefa c\u00e1c c\u1ef1c c\u1ee7a tranzito r\u1ea5t nh\u1ecf v\u00e0 tranzito c\u00f3 th\u1ec3 xem nh\u01b0 quy t\u1ee5 th\u00e0nh 1 \u0111i\u1ec3m.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-size: 17px;\">H\u1ecd \u0111\u1eb7c tuy\u1ebfn truy\u1ec1n \u0111\u1ea1t bi\u1ec3u th\u1ecb m\u1ed1i quan h\u1ec7 IC = f(IB) khi UCE = const \u0111\u01b0\u1ee3c suy ra t\u1eeb h\u1ecd \u0111\u1eb7c tuy\u1ebfn ra.<\/span><\/p>\n<h2 style=\"text-align: justify;\"><span style=\"font-size: 24px;\">2. S\u01a1 \u0111\u1ed3 baz\u01a1 chung (BC)<\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-size: 17px;\">C\u1ef1c baz\u01a1 B d\u00f9ng chung cho c\u1ea3 \u0111\u1ea7u v\u00e0o v\u00e0 \u0111\u1ea7u ra. T\u00edn hi\u1ec7u v\u00e0o \u0111\u1eb7t gi\u1eefa c\u1ef1c E v\u00e0 c\u1ef1c B, t\u00edn hi\u1ec7u ra \u0111\u1eb7t gi\u1eefa c\u1ef1c C v\u00e0 c\u1ef1c B.<\/span><\/p>\n<figure id=\"attachment_45196\" aria-describedby=\"caption-attachment-45196\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-45196 size-full\" title=\"S\u01a1 \u0111\u1ed3 l\u1ea5y \u0111\u1eb7c tuy\u1ebfn\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/cac-dang-mac-mach-co-ban-va-cac-ho-dac-tuyen-cua-tranzitor-4.jpg\" alt=\"S\u01a1 \u0111\u1ed3 l\u1ea5y \u0111\u1eb7c tuy\u1ebfn\" width=\"750\" height=\"260\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/cac-dang-mac-mach-co-ban-va-cac-ho-dac-tuyen-cua-tranzitor-4.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/cac-dang-mac-mach-co-ban-va-cac-ho-dac-tuyen-cua-tranzitor-4-300x104.jpg 300w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/cac-dang-mac-mach-co-ban-va-cac-ho-dac-tuyen-cua-tranzitor-4-510x177.jpg 510w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-45196\" class=\"wp-caption-text\"><\/span> <span style=\"font-size: 17px;\">S\u01a1 \u0111\u1ed3 l\u1ea5y \u0111\u1eb7c tuy\u1ebfn<\/span><\/figcaption><\/figure>\n<h3 style=\"text-align: justify;\"><span style=\"font-size: 20px;\">2.1. \u0110\u1eb7c tuy\u1ebfn v\u00e0o: IE =f(UEB) khi UCB = const<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-size: 17px;\">\u0110\u1eb7c tuy\u1ebfn v\u00e0o c\u0169ng gi\u1ed1ng nh\u01b0 \u0111\u1eb7c tuy\u1ebfn thu\u1eadn c\u1ee7a \u0111i\u1ed1t, khi t\u0103ng UEB th\u00ec d\u00f2ng IE t\u0103ng t\u01b0\u01a1ng \u1ee9ng.<\/span><\/p>\n<figure id=\"attachment_45197\" aria-describedby=\"caption-attachment-45197\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-45197 size-full\" title=\"\u0110\u1eb7c tuy\u1ebfn v\u00e0o\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/cac-dang-mac-mach-co-ban-va-cac-ho-dac-tuyen-cua-tranzitor-5.jpg\" alt=\"\u0110\u1eb7c tuy\u1ebfn v\u00e0o\" width=\"750\" height=\"260\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/cac-dang-mac-mach-co-ban-va-cac-ho-dac-tuyen-cua-tranzitor-5.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/cac-dang-mac-mach-co-ban-va-cac-ho-dac-tuyen-cua-tranzitor-5-300x104.jpg 300w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/cac-dang-mac-mach-co-ban-va-cac-ho-dac-tuyen-cua-tranzitor-5-510x177.jpg 510w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-45197\" class=\"wp-caption-text\"><\/span> <span style=\"font-size: 17px;\">\u0110\u1eb7c tuy\u1ebfn v\u00e0o<\/span><\/figcaption><\/figure>\n<p style=\"text-align: justify;\"><span style=\"font-size: 17px;\">\u1ee8ng v\u1edbi c\u00f9ng m\u1ed9t gi\u00e1 tr\u1ecb c\u1ee7a UEB khi t\u0103ng UCB th\u00ec d\u00f2ng IE t\u0103ng, v\u00ec: t\u0103ng UCB l\u00e0m \u0111i\u1ec7n \u00e1p ph\u00e2n c\u1ef1c ng\u01b0\u1ee3c t\u1ea1i IC t\u0103ng, \u0111i\u1ec7n tr\u01b0\u1eddng ng\u01b0\u1ee3c t\u1ea1i v\u00f9ng n\u00e0y ch\u00ednh l\u00e0 \u0111i\u1ec7n tr\u01b0\u1eddng thu\u1eadn \u0111\u1ed1i v\u1edbi c\u00e1c h\u1ea1t d\u1eabn \u0111i\u1ec7n \u0111a s\u1ed1 \u1edf mi\u1ec1n ph\u00e1t l\u00e0m cho c\u00e1c h\u1ea1t d\u1eabn \u0111i\u1ec7n t\u1eeb mi\u1ec1n g\u1ed1c chuy\u1ec3n sang mi\u1ec1n g\u00f3p t\u0103ng, IC t\u0103ng do \u0111\u00f3 IE t\u0103ng.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"font-size: 20px;\">2.2. \u0110\u1eb7c tuy\u1ebfn ra: IC =f(UCB) khi IE = const<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-size: 17px;\">\u0110\u1eb7c tuy\u1ebfn ra l\u00e0 c\u00e1c \u0111\u01b0\u1eddng th\u1eb3ng g\u1ea7n nh\u01b0 song song nhau. IC \u2248 IE (th\u01b0\u1eddng IC \u2264 IE ). \u0110\u1eb7c tuy\u1ebfn ra kh\u00f4ng xu\u1ea5t ph\u00e1t t\u1eeb g\u1ed1c 0.<\/span><\/p>\n<figure id=\"attachment_45198\" aria-describedby=\"caption-attachment-45198\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-45198 size-full\" title=\"\u0110\u1eb7c tuy\u1ebfn ra\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/cac-dang-mac-mach-co-ban-va-cac-ho-dac-tuyen-cua-tranzitor-6.jpg\" alt=\"\u0110\u1eb7c tuy\u1ebfn ra\" width=\"750\" height=\"260\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/cac-dang-mac-mach-co-ban-va-cac-ho-dac-tuyen-cua-tranzitor-6.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/cac-dang-mac-mach-co-ban-va-cac-ho-dac-tuyen-cua-tranzitor-6-300x104.jpg 300w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/cac-dang-mac-mach-co-ban-va-cac-ho-dac-tuyen-cua-tranzitor-6-510x177.jpg 510w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-45198\" class=\"wp-caption-text\"><\/span> <span style=\"font-size: 17px;\">\u0110\u1eb7c tuy\u1ebfn ra<\/span><\/figcaption><\/figure>\n<p style=\"text-align: justify;\"><span style=\"font-size: 17px;\">Khi UCB = 0 v\u1eabn t\u1ed3n t\u1ea1i d\u00f2ng IC \u2260 0. V\u00ec khi \u0111\u00f3 tr\u00ean ti\u1ebfp gi\u00e1p JC v\u1eabn t\u1ed3n t\u1ea1i m\u1ed9t \u0111i\u1ec7n tr\u01b0\u1eddng ti\u1ebfp x\u00fac h\u01b0\u1edbng t\u1eeb kh\u1ed1i N sang kh\u1ed1i P, n\u00f3 \u0111\u1ea9y c\u00e1c h\u1ea1t d\u1eabn \u0111i\u1ec7n t\u1eeb mi\u1ec1n g\u1ed1c sang mi\u1ec1n g\u00f3p, do \u0111\u00f3 IC \u2260 0.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"font-size: 20px;\">3. S\u01a1 \u0111\u1ed3 C\u00f4l\u00eact\u01a1 chung (CC): C\u1ef1c C\u00f4l\u00eact\u01a1 d\u00f9ng chung cho c\u1ea3 \u0111\u1ea7u v\u00e0o v\u00e0 \u0111\u1ea7u ra<\/span><\/h3>\n<figure id=\"attachment_45199\" aria-describedby=\"caption-attachment-45199\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-45199 size-full\" title=\"S\u01a1 \u0111\u1ed3 l\u1ea5y \u0111\u1eb7c tuy\u1ebfn\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/cac-dang-mac-mach-co-ban-va-cac-ho-dac-tuyen-cua-tranzitor-8.jpg\" alt=\"S\u01a1 \u0111\u1ed3 l\u1ea5y \u0111\u1eb7c tuy\u1ebfn\" width=\"750\" height=\"285\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/cac-dang-mac-mach-co-ban-va-cac-ho-dac-tuyen-cua-tranzitor-8.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/cac-dang-mac-mach-co-ban-va-cac-ho-dac-tuyen-cua-tranzitor-8-300x114.jpg 300w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/cac-dang-mac-mach-co-ban-va-cac-ho-dac-tuyen-cua-tranzitor-8-510x194.jpg 510w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-45199\" class=\"wp-caption-text\"><\/span> <span style=\"font-size: 17px;\">S\u01a1 \u0111\u1ed3 l\u1ea5y \u0111\u1eb7c tuy\u1ebfn<\/span><\/figcaption><\/figure>\n<p style=\"text-align: justify;\"><span style=\"font-size: 17px;\">H\u1ecd \u0111\u1eb7c tuy\u1ebfn v\u00e0o c\u1ee7a s\u01a1 \u0111\u1ed3 CC c\u00f3 d\u1ea1ng kh\u00e1c h\u1eb3n, n\u00f3 kh\u00f4ng xu\u1ea5t ph\u00e1t t\u1eeb g\u1ed1c 0, v\u00ec trong c\u00e1ch m\u1eafc n\u00e0y \u0111i\u1ec7n \u00e1p v\u00e0o UBC ph\u1ee5 thu\u1ed9c r\u1ea5t nhi\u1ec1u v\u00e0o \u0111i\u1ec7n \u00e1p ra UEC. Khi UBC t\u0103ng, UEC = const, khi \u0111\u00f3 UEB gi\u1ea3m l\u00e0m gi\u1ea3m d\u00f2ng IB . D\u00f2ng IB gi\u1ea3m v\u1ec1 b\u1eb1ng 0 khi UBC = UEC, khi \u0111\u00f3 UEB = 0.<\/span><\/p>\n<figure id=\"attachment_45200\" aria-describedby=\"caption-attachment-45200\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-45200 size-full\" title=\"\u0110\u1eb7c tuy\u1ebfn v\u00e0o v\u00e0 \u0111\u1eb7c tuy\u1ebfn ra\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/cac-dang-mac-mach-co-ban-va-cac-ho-dac-tuyen-cua-tranzitor-8-1.jpg\" alt=\"\u0110\u1eb7c tuy\u1ebfn v\u00e0o v\u00e0 \u0111\u1eb7c tuy\u1ebfn ra\" width=\"750\" height=\"285\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/cac-dang-mac-mach-co-ban-va-cac-ho-dac-tuyen-cua-tranzitor-8-1.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/cac-dang-mac-mach-co-ban-va-cac-ho-dac-tuyen-cua-tranzitor-8-1-300x114.jpg 300w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/cac-dang-mac-mach-co-ban-va-cac-ho-dac-tuyen-cua-tranzitor-8-1-510x194.jpg 510w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-45200\" class=\"wp-caption-text\"><\/span> <span style=\"font-size: 17px;\">\u0110\u1eb7c tuy\u1ebfn v\u00e0o v\u00e0 \u0111\u1eb7c tuy\u1ebfn ra<\/span><\/figcaption><\/figure>\n<p style=\"text-align: justify;\"><span style=\"font-size: 17px;\">H\u1ecd \u0111\u1eb7c tuy\u1ebfn ra t\u01b0\u01a1ng t\u1ef1 nh\u01b0 h\u1ecd \u0111\u1eb7c tuy\u1ebfn ra c\u1ee7a s\u01a1 \u0111\u1ed3 m\u1eafc EC b\u1edfi v\u00ec coi IC \u2260 IE.<\/span><\/p>\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: justify;\"><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","protected":false},"excerpt":{"rendered":"<p>Trong c\u00e1ch m\u1eafc EC, \u0111i\u1ec7n \u00e1p v\u00e0o \u0111\u01b0\u1ee3c l\u1ea5y gi\u1eefa c\u1ef1c B v\u00e0 c\u1ef1c E, \u0111i\u1ec7n \u00e1p ra l\u1ea5y t\u1eeb c\u1ef1c C v\u00e0 c\u1ef1c E.C\u00e1c h\u1ecd \u0111\u1eb7c tuy\u1ebfn c\u1ee7a Transistor. D\u00f2ng \u0111i\u1ec7n v\u00e0o, \u0111i\u1ec7n \u00e1p v\u00e0o, d\u00f2ng \u0111i\u1ec7n ra v\u00e0 \u0111i\u1ec7n \u00e1p ra \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng miliampe k\u1ebf v\u00e0 v\u00f4n k\u1ebf nh\u01b0 h\u00ecnh v\u1ebd tr\u00ean.Ta d\u00f9ng c\u00e1c ngu\u1ed3n U1, U2 \u0111\u1ec3 ph\u00e2n c\u1ef1c cho c\u00e1c ti\u1ebfp gi\u00e1p JE, JC.<\/p>\n","protected":false},"author":95,"featured_media":12334,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[96,94],"tags":[666],"_links":{"self":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/posts\/2372"}],"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=2372"}],"version-history":[{"count":0,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/posts\/2372\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/media\/12334"}],"wp:attachment":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2372"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2372"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2372"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}