{"id":18491,"date":"2020-11-04T10:26:14","date_gmt":"2020-11-04T10:26:14","guid":{"rendered":"https:\/\/hocvienit.vn\/?p=18491"},"modified":"2024-07-03T12:43:42","modified_gmt":"2024-07-03T05:43:42","slug":"transistor-luong-cuc-la-gi","status":"publish","type":"post","link":"https:\/\/hocvienit.vn\/?p=18491","title":{"rendered":"Transistor l\u01b0\u1ee1ng c\u1ef1c BJT l\u00e0 g\u00ec? \u01afu v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a transistor l\u01b0\u1ee1ng c\u1ef1c"},"content":{"rendered":"

Transistor l\u00e0 m\u1ed9t trong nh\u1eefng linh ki\u1ec7n c\u1ef1c k\u1ef3 ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong h\u1ea7u h\u1ebft c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed l\u1edbn nh\u1ecf. Ch\u1ee9c n\u0103ng ch\u1ee7 y\u1ebfu c\u1ee7a transistor l\u00e0 \u0111\u00f3ng, ng\u1eaft m\u1ea1ch ho\u1eb7c khu\u1ebfch \u0111\u1ea1i t\u00edn hi\u1ec7u. B\u00e0i vi\u1ebft n\u00e0y ch\u00fang ta s\u1ebd c\u00f9ng t\u00ecm hi\u1ec3u v\u1ec1 1 lo\u1ea1i transistor th\u00f4ng d\u1ee5ng \u0111\u00f3 l\u00e0 transistor l\u01b0\u1ee1ng c\u1ef1c BJT<\/strong> nh\u00e9.<\/span><\/p>\n

\n

T\u00ecm hi\u1ec3u th\u00eam:\u00a0T\u1ed5ng h\u1ee3p ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 Transistor – \u0110i\u1ec7n t\u1eed c\u01a1 b\u1ea3n<\/a><\/span><\/p>\n<\/blockquote>\n

\"Transistor
Transistor l\u01b0\u1ee1ng c\u1ef1c l\u00e0 g\u00ec? \u01afu v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a transistor l\u01b0\u1ee1ng c\u1ef1c<\/span><\/figcaption><\/figure>\n

Transistor l\u01b0\u1ee1ng c\u1ef1c (BJT) l\u00e0 g\u00ec?<\/strong><\/span><\/h2>\n

Transistor l\u01b0\u1ee1ng c\u1ef1c (Tranzito l\u01b0\u1ee1ng c\u1ef1c n\u1ed1i) c\u00f3 t\u00ean Ti\u1ebfng Anh l\u00e0 Bipolar Junction Transistor (Hay \u0111\u01b0\u1ee3c vi\u1ebft t\u1eaft l\u00e0 BJT). \u0110\u00e2y l\u00e0 lo\u1ea1i transistor c\u00f3 3 c\u1ef1c: \u1ede gi\u1eefa l\u00e0 c\u1ef1c B (Base – C\u1ef1c n\u1ec1n), \u1edf hai b\u00ean l\u00e0 c\u1ef1c C (Collector – C\u1ef1c thu) v\u00e0 c\u1ef1c E (Emitter – C\u1ef1c ph\u00e1t).<\/span><\/p>\n

\"C\u1ea5u
C\u1ea5u t\u1ea1o Transistor l\u01b0\u1ee1ng c\u1ef1c<\/span><\/figcaption><\/figure>\n

Ph\u00e2n lo\u1ea1i transistor l\u01b0\u1ee1ng c\u1ef1c BJT<\/strong><\/span><\/h2>\n

Transistor l\u01b0\u1ee1ng c\u1ef1c \u0111\u01b0\u1ee3c chia ra th\u00e0nh lo\u1ea1i l\u00e0 transistor thu\u1eadn (P-N-P) v\u00e0 transistor ng\u01b0\u1ee3c (N-P-N).<\/span><\/p>\n

\"Ph\u00e2n
Ph\u00e2n lo\u1ea1i transistor l\u01b0\u1ee1ng c\u1ef1c BJT<\/figcaption><\/figure>\n

T\u00ecm hi\u1ec3u chi ti\u1ebft:<\/span><\/p>\n

Transistor thu\u1eadn l\u00e0 g\u00ec? Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a Transistor thu\u1eadn<\/a><\/span><\/p>\n

Transistor ng\u01b0\u1ee3c l\u00e0 g\u00ec? Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a Transistor ng\u01b0\u1ee3c<\/a><\/span><\/p>\n

\u01afu, nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a BJT<\/strong><\/span><\/h2>\n

\u01afu \u0111i\u1ec3m<\/span><\/h3>\n

Transistor l\u01b0\u1ee1ng c\u1ef1c s\u1edf h\u1eefu nh\u1eefng \u01b0u \u0111i\u1ec3m sau:<\/span><\/p>\n

– L\u01b0\u1ee3ng \u0111i\u1ec7n n\u0103ng ti\u00eau th\u1ee5 kh\u00f4ng cao.<\/span><\/p>\n

– G\u1ea7n nh\u01b0 kh\u00f4ng c\u00f3 \u0111\u1ed9 tr\u1ec5 khi kh\u1edfi \u0111\u1ed9ng.<\/span><\/p>\n

– B\u1edfi BJT kh\u00f4ng c\u00f3 b\u1ed9 ph\u1eadn l\u00e0m n\u00f3ng Cathode n\u00ean ch\u00fang kh\u00f4ng ch\u1ee9a ch\u1ea5t \u0111\u1ed9c h\u1ea1i.<\/span><\/p>\n

– K\u00edch th\u01b0\u1edbc c\u1ee7a transistor l\u01b0\u1ee1ng c\u1ef1c nh\u1ecf, nh\u1eb9 v\u00e0 d\u1ea7n \u0111\u01b0\u1ee3c ho\u00e0n thi\u1ec7n.<\/span><\/p>\n

– \u0110i\u1ec7n \u00e1p c\u1ee7a BJT c\u00f3 th\u1ec3 nh\u1ecf g\u1ea7n b\u1eb1ng v\u1edbi m\u1ee9c \u0111i\u1ec7n \u00e1p c\u1ee7a m\u1ed9t pin ti\u1ec3u.<\/span><\/p>\n

– Hi\u1ec7u su\u1ea5t ho\u1ea1t \u0111\u1ed9ng l\u1edbn.<\/span><\/p>\n

– Tu\u1ed5i th\u1ecd d\u00e0i, \u00edt b\u1ecb t\u00e1c \u0111\u1ed9ng b\u1edfi m\u00f4i tr\u01b0\u1eddng b\u00ean ngo\u00e0i nh\u01b0 va \u0111\u1eadp\u2026<\/span><\/p>\n

Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/span><\/h3>\n

Ngo\u00e0i nh\u1eefng \u01b0u \u0111i\u1ec3m \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea \u1edf tr\u00ean, transistor l\u01b0\u1ee1ng c\u1ef1c c\u00f2n t\u1ed3n t\u1ea1i nh\u1eefng nh\u01b0\u1ee3c \u0111i\u1ec3m sau:<\/span><\/p>\n

– Hi\u1ec7u n\u0103ng ho\u1ea1t \u0111\u1ed9ng gi\u1ea3m d\u1ea7n theo th\u1eddi gian s\u1eed d\u1ee5ng.<\/span><\/p>\n

– BJT c\u00f3 nhi\u1ec1u h\u1ea1n ch\u1ebf khi ho\u1ea1t \u0111\u1ed9ng v\u1edbi c\u00f4ng su\u1ea5t l\u1edbn v\u00e0 t\u1ea7n s\u1ed1 cao.<\/span><\/p>\n

– Transistor l\u01b0\u1ee1ng c\u1ef1c d\u1ec5 b\u1ecb h\u1ecfng khi c\u00f3 s\u1ef1 thay \u0111\u1ed5i \u0111\u1ed9t ng\u1ed9t c\u1ee7a \u0111i\u1ec7n n\u0103ng ho\u1eb7c nhi\u1ec7t \u0111\u1ed9. Ngo\u00e0i ra n\u00f3 c\u0169ng r\u1ea5t nh\u1ea1y c\u1ea3m v\u1edbi b\u1ee9c x\u1ea1.<\/span><\/p>\n

\u1ee8ng d\u1ee5ng c\u1ee7a transistor l\u01b0\u1ee1ng c\u1ef1c<\/strong><\/span><\/h2>\n

Tr\u00ean th\u1ef1c t\u1ebf, transistor l\u01b0\u1ee1ng c\u1ef1c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u00ean h\u1ea7u h\u1ebft c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed hi\u1ec7n nay. T\u1eeb nh\u1eefng transistor si\u00eau nh\u1ecf tr\u00ean c\u00e1c b\u1ed9 vi x\u1eed l\u00fd m\u00e1y t\u00ednh \u0111\u1ebfn nh\u1eefng transistor t\u00edch h\u1ee3p tr\u00ean vi m\u1ea1ch IC (Integrated Circuit).<\/span><\/p>\n

\"Transistor
Transistor l\u01b0\u1ee1ng c\u1ef1c tr\u00ean th\u1ef1c t\u1ebf<\/figcaption><\/figure>\n

Tr\u00ean \u0111\u00e2y l\u00e0 chia s\u1ebb c\u1ee7a H\u1ecdc vi\u1ec7n iT.vn v\u1ec1 transistor l\u01b0\u1ee1ng c\u1ef1c. 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

C\u00e1c b\u00e0i vi\u1ebft li\u00ean quan:<\/span><\/p>\n

Transistor hi\u1ec7u \u1ee9ng tr\u01b0\u1eddng l\u00e0 g\u00ec? T\u00ecm hi\u1ec3u v\u1ec1 FET<\/a><\/span><\/p>\n

Transistor UJT l\u00e0 g\u00ec? T\u1ed5ng h\u1ee3p ki\u1ebfn th\u1ee9c v\u1ec1 UJT<\/a><\/span><\/p>\n

M\u1ecdi chi ti\u1ebft xin vui l\u00f2ng li\u00ean h\u1ec7:
\n<\/i>C\u00d4NG TY C\u1ed4 PH\u1ea6N H\u1eccC VI\u1ec6N IT
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\nH\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>\n","protected":false},"excerpt":{"rendered":"

Transistor l\u00e0 m\u1ed9t trong nh\u1eefng linh ki\u1ec7n c\u1ef1c k\u1ef3 ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong h\u1ea7u h\u1ebft c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed l\u1edbn nh\u1ecf. Ch\u1ee9c n\u0103ng ch\u1ee7 y\u1ebfu c\u1ee7a transistor l\u00e0 \u0111\u00f3ng, ng\u1eaft m\u1ea1ch ho\u1eb7c khu\u1ebfch \u0111\u1ea1i t\u00edn hi\u1ec7u. B\u00e0i vi\u1ebft n\u00e0y ch\u00fang ta s\u1ebd c\u00f9ng t\u00ecm hi\u1ec3u v\u1ec1 1 lo\u1ea1i transistor th\u00f4ng d\u1ee5ng \u0111\u00f3 l\u00e0 transistor l\u01b0\u1ee1ng c\u1ef1c nh\u00e9.<\/p>\n","protected":false},"author":95,"featured_media":18493,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[734],"tags":[661,666],"_links":{"self":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/posts\/18491"}],"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=18491"}],"version-history":[{"count":0,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/posts\/18491\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/media\/18493"}],"wp:attachment":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=18491"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=18491"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=18491"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}