{"id":18407,"date":"2020-10-30T08:25:22","date_gmt":"2020-10-30T08:25:22","guid":{"rendered":"https:\/\/hocvienit.vn\/?p=18407"},"modified":"2024-12-06T14:26:02","modified_gmt":"2024-12-06T07:26:02","slug":"transistor-hieu-ung-truong-la-gi","status":"publish","type":"post","link":"https:\/\/hocvienit.vn\/?p=18407","title":{"rendered":"Transistor hi\u1ec7u \u1ee9ng tr\u01b0\u1eddng l\u00e0 g\u00ec? T\u00ecm hi\u1ec3u v\u1ec1 FET"},"content":{"rendered":"

Transistor hi\u1ec7u \u1ee9ng tr\u01b0\u1eddng<\/strong> l\u00e0 lo\u1ea1i transistor \u0111\u01b0\u1ee3c c\u1ea3i ti\u1ebfn h\u01a1n so v\u1edbi nh\u1eefng lo\u1ea1i transistor th\u00f4ng th\u01b0\u1eddng (Transistor l\u01b0\u1ee1ng c\u1ef1c). V\u00ec v\u1eady n\u00ean n\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn trong r\u1ea5t nhi\u1ec1u m\u1ea1ch \u0111i\u1ec7n t\u1eed hi\u1ec7n nay. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd c\u00f9ng t\u00ecm hi\u1ec3u v\u1ec1 lo\u1ea1i transistor th\u00f4ng d\u1ee5ng n\u00e0y nh\u00e9.<\/span><\/p>\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

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

Transistor tr\u01b0\u1eddng FETs l\u00e0 g\u00ec?<\/h2>\n

Transistor hi\u1ec7u \u1ee9ng \u0111i\u1ec7n tr\u01b0\u1eddng (Hay c\u00f2n g\u1ecdi l\u00e0 Transistor tr\u01b0\u1eddng, Tranzito tr\u01b0\u1eddng hay FET – vi\u1ebft t\u1eaft c\u1ee7a c\u1ee5m t\u1eeb Ti\u1ebfng Anh Field-effect transistor) l\u00e0 lo\u1ea1i transistor s\u1eed d\u1ee5ng \u0111i\u1ec7n tr\u01b0\u1eddng \u0111\u1ec3 ki\u1ec3m so\u00e1t, t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn \u0111\u1ed9 d\u1eabn c\u1ee7a v\u1eadt li\u1ec7u b\u00e1n d\u1eabn.<\/span><\/p>\n

\u0110\u1eb7c bi\u1ec7t, FET l\u00e0 lo\u1ea1i transistor \u0111\u01a1n c\u1ef1c (Ch\u1ec9 c\u00f3 duy nh\u1ea5t m\u1ed9t c\u1ef1c) n\u00ean ch\u00fang s\u1ebd ho\u1ea1t \u0111\u1ed9ng trong c\u00e1c ph\u1ea7n t\u1eed t\u1ea3i \u0111i\u1ec7n \u0111\u01a1n. C\u0169ng b\u1edfi v\u00ec l\u00fd do n\u00e0y m\u00e0 n\u00f3 g\u1ea7n nh\u01b0 kh\u00f4ng y\u00eau c\u1ea7u d\u00f2ng \u0111i\u1ec7n \u0111\u1ea7u v\u00e0o (T\u00edn hi\u1ec7u sai l\u1ec7ch) v\u00e0 c\u00f3 \u01b0u \u0111i\u1ec3m v\u01b0\u1ee3t tr\u1ed9i so v\u1edbi c\u00e1c lo\u1ea1i transistor th\u00f4ng th\u01b0\u1eddng \u0111\u00f3 l\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0111\u1ea7u v\u00e0o c\u1ef1c cao.<\/span><\/p>\n

\"Transistor
Transistor hi\u1ec7u \u1ee9ng tr\u01b0\u1eddng<\/figcaption><\/figure>\n

C\u1ea5u t\u1ea1o c\u1ee7a transistor hi\u1ec7u \u1ee9ng tr\u01b0\u1eddng<\/strong><\/span><\/h2>\n

Transistor hi\u1ec7u \u1ee9ng tr\u01b0\u1eddng c\u00f3 c\u1ea5u t\u1ea1o g\u1ed3m m\u1ed9t thi\u1ebft b\u1ecb b\u00e1n d\u1eabn c\u00f3 ba c\u1ef1c (C\u1ef1c m\u00e1ng, ngu\u1ed3n v\u00e0 c\u1ed5ng) v\u1edbi m\u1ed9t d\u00f2ng s\u00f3ng mang d\u1eabn truy\u1ec1n trong \u0111\u00f3 (D\u00f2ng s\u00f3ng mang l\u00e0 electron \u0111\u1ed1i v\u1edbi tr\u01b0\u1eddng h\u1ee3p FET k\u00eanh N c\u00f2n \u0111\u1ed1i v\u1edbi tr\u01b0\u1eddng h\u1ee3p FET k\u00eanh P th\u00ec d\u00f2ng s\u00f3ng mang l\u00e0 l\u1ed7 tr\u1ed1ng).<\/span><\/p>\n

\"C\u1ea5u
C\u1ea5u t\u1ea1o c\u1ee7a transistor hi\u1ec7u \u1ee9ng tr\u01b0\u1eddng<\/figcaption><\/figure>\n

Ph\u00e2n lo\u1ea1i transistor hi\u1ec7u \u1ee9ng tr\u01b0\u1eddng<\/strong><\/span><\/h2>\n

FET \u0111\u01b0\u1ee3c chia ra th\u00e0nh 2 lo\u1ea1i l\u00e0 transistor tr\u01b0\u1eddng JFET v\u00e0 transistor tr\u01b0\u1eddng MOSFET.\u00a0<\/span><\/p>\n

– JFET<\/a>\u00a0<\/strong>(Junction Field Effect Transistor) hay c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 FET n\u1ed1i: N\u00f3 l\u00e0 lo\u1ea1i transistor \u0111i\u1ec1u khi\u1ec3n b\u1eb1ng ti\u1ebfp x\u00fac P – N.<\/span><\/p>\n

– MOSFET<\/a>\u00a0<\/strong>(Metal-oxide-semiconductor transistor) l\u00e0 lo\u1ea1i transistor c\u00f3 c\u1ef1c c\u1eeda c\u00e1ch \u0111i\u1ec7n b\u1eb1ng oxit. Trong \u0111\u00f3, MOSFET c\u00f2n \u0111\u01b0\u1ee3c chia ra th\u00e0nh DE-MOSFET (MOSFET k\u00eanh s\u1eb5n) v\u00e0 E-MOSFET (MOSFET k\u00eanh c\u1ea3m \u1ee9ng).<\/span><\/p>\n

\"Ph\u00e2n
Ph\u00e2n lo\u1ea1i transistor hi\u1ec7u \u1ee9ng tr\u01b0\u1eddng<\/span><\/figcaption><\/figure>\n

T\u1eeb s\u01a1 \u0111\u1ed3 tr\u00ean ta c\u00f3 th\u1ec3 th\u1ea5y FET c\u00f3 6 lo\u1ea1i ch\u00ednh t\u00f9y theo c\u1ea5u tr\u00fac v\u00e0 k\u00eanh d\u1eabn l\u00e0 N hay P: 2 lo\u1ea1i JFET v\u00e0 4 lo\u1ea1i MOSFET.<\/span><\/p>\n

K\u00fd hi\u1ec7u c\u1ee7a c\u00e1c lo\u1ea1i transistor hi\u1ec7u \u1ee9ng tr\u01b0\u1eddng<\/strong><\/span><\/h2>\n
\"K\u00fd
K\u00fd hi\u1ec7u c\u1ee7a c\u00e1c lo\u1ea1i transistor hi\u1ec7u \u1ee9ng tr\u01b0\u1eddng<\/span><\/figcaption><\/figure>\n

\u01afu, nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a transistor hi\u1ec7u \u1ee9ng tr\u01b0\u1eddng<\/strong><\/span><\/h2>\n

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

– FET c\u00f3 k\u1ebft c\u1ea5u \u0111i\u1ec7n \u0111\u01a1n c\u1ef1c do d\u00f2ng \u0111i\u1ec7n \u0111i qua transistor ch\u1ec9 c\u00f3 m\u1ed9t lo\u1ea1i h\u1ea1t d\u1eabn chi\u1ebfm \u0111a s\u1ed1 t\u1ea1o n\u00ean.<\/span><\/p>\n

– Ti\u1ebfng \u1ed3n m\u00e0 FET ph\u00e1t ra nh\u1ecf h\u01a1n so v\u1edbi transistor l\u01b0\u1ee1ng c\u1ef1c.<\/span><\/p>\n

– Tr\u1edf kh\u00e1ng v\u00e0o c\u1ee7a FET r\u1ea5t cao.<\/span><\/p>\n

– B\u1edfi transistor hi\u1ec7u \u1ee9ng tr\u01b0\u1eddng kh\u00f4ng b\u00f9 \u0111i\u1ec7n \u00e1p t\u1ea1i d\u00f2ng ID = 0 n\u00ean n\u00f3 ng\u1eaft \u0111i\u1ec7n t\u1ed1t.<\/span><\/p>\n

– Kh\u1ea3 n\u0103ng \u1ed5n \u0111\u1ecbnh nhi\u1ec7t cao.<\/span><\/p>\n

– T\u1ea7n s\u1ed1 l\u00e0m vi\u1ec7c l\u1edbn.<\/span><\/p>\n

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

So v\u1edbi transistor l\u01b0\u1ee1ng c\u1ef1c th\u00ec FET c\u00f3 nh\u01b0\u1ee3c \u0111i\u1ec3m l\u1edbn nh\u1ea5t l\u00e0 h\u1ec7 s\u1ed1 khu\u1ebfch \u0111\u1ea1i th\u1ea5p h\u01a1n.<\/span><\/p>\n

\u1ee8ng d\u1ee5ng c\u1ee7a transistor hi\u1ec7u \u1ee9ng tr\u01b0\u1eddng<\/strong><\/span><\/h2>\n

Tr\u00ean th\u1ef1c t\u1ebf, transistor hi\u1ec7u \u1ee9ng tr\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u trong c\u00e1c m\u1ea1ch \u0111i\u1ec1u khi\u1ec3n v\u00e0 vi m\u1ea1ch s\u1ed1 v\u00e0 nhi\u1ec1u nh\u1ea5t l\u00e0 trong m\u1ea1ch t\u00edch h\u1ee3p chuy\u1ec3n m\u1ea1ch.<\/span><\/p>\n

Tr\u00ean \u0111\u00e2y l\u00e0 chia s\u1ebb c\u1ee7a H\u1ecdc vi\u1ec7n iT.vn v\u1ec1 transistor hi\u1ec7u \u1ee9ng tr\u01b0\u1eddng. 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 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<\/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 hi\u1ec7u \u1ee9ng tr\u01b0\u1eddng l\u00e0 lo\u1ea1i transistor \u0111\u01b0\u1ee3c c\u1ea3i ti\u1ebfn h\u01a1n so v\u1edbi nh\u1eefng lo\u1ea1i transistor th\u00f4ng th\u01b0\u1eddng (Transistor l\u01b0\u1ee1ng c\u1ef1c). V\u00ec v\u1eady n\u00ean n\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn trong r\u1ea5t nhi\u1ec1u m\u1ea1ch \u0111i\u1ec7n t\u1eed hi\u1ec7n nay. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd c\u00f9ng t\u00ecm hi\u1ec3u v\u1ec1 lo\u1ea1i transistor th\u00f4ng d\u1ee5ng n\u00e0y nh\u00e9.<\/p>\n","protected":false},"author":95,"featured_media":18408,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[734],"tags":[666],"_links":{"self":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/posts\/18407"}],"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=18407"}],"version-history":[{"count":0,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/posts\/18407\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/media\/18408"}],"wp:attachment":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=18407"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=18407"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=18407"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}