{"id":15660,"date":"2026-01-06T18:05:33","date_gmt":"2026-01-06T10:05:33","guid":{"rendered":"http:\/\/www.erun-tech.com\/?post_type=dt_portfolio&#038;p=15660"},"modified":"2026-01-06T18:05:33","modified_gmt":"2026-01-06T10:05:33","slug":"diangongjichushicaojingtiguandeshibieyuceliang","status":"publish","type":"dt_portfolio","link":"http:\/\/www.erun-tech.com\/vi\/project\/diangongjichushicaojingtiguandeshibieyuceliang","title":{"rendered":"Th\u1ef1c h\u00e0nh c\u01a1 b\u1ea3n v\u1ec1 \u0111i\u1ec7n: Nh\u1eadn bi\u1ebft v\u00e0 \u0111o l\u01b0\u1eddng b\u00f3ng b\u00e1n d\u1eabn"},"content":{"rendered":"<div style=\"font-family: 'Segoe UI', Arial, sans-serif; line-height: 1.8; color: #333; max-width: 1100px; margin: 0 auto; background: #fff; padding: 20px;\">\n<div style=\"text-align: center; border-bottom: 5px solid #ef9308; padding-bottom: 30px; margin-bottom: 40px;\">\n<h1 style=\"color: #1f365c; font-size: 30px; margin-bottom: 10px; font-weight: bold;\">Th\u1ef1c h\u00e0nh c\u01a1 b\u1ea3n v\u1ec1 \u0111i\u1ec7n: Nh\u1eadn bi\u1ebft v\u00e0 \u0111o l\u01b0\u1eddng b\u00f3ng b\u00e1n d\u1eabn<\/h1>\n<div style=\"display: inline-block; background: #1f365c; color: #fff; padding: 6px 20px; border-radius: 4px; font-size: 14px; letter-spacing: 1px;\">\u0110\u00e0o t\u1ea1o k\u1ef9 n\u0103ng c\u01a1 b\u1ea3n v\u1ec1 \u0111i\u1ec7n t\u1eed v\u00e0 \u0111i\u1ec7n tr\u00ean t\u00e0u<\/div>\n<\/div>\n<section style=\"margin-bottom: 50px;\">\n<h2 style=\"background: #1f365c; color: #fff; padding: 12px 25px; border-left: 10px solid #ef9308; border-radius: 4px; font-size: 20px;\">I. C\u00e1c kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n v\u1ec1 b\u00f3ng b\u00e1n d\u1eabn<\/h2>\n<div style=\"margin-top: 25px; padding: 0 15px;\">\n<p style=\"text-indent: 2em;\">B\u00f3ng b\u00e1n d\u1eabn (Transistor) l\u00e0 m\u1ed9t trong nh\u1eefng thi\u1ebft b\u1ecb b\u00e1n d\u1eabn c\u01a1 b\u1ea3n nh\u1ea5t trong m\u1ea1ch \u0111i\u1ec7n t\u1eed, c\u00f3 c\u00e1c ch\u1ee9c n\u0103ng nh\u01b0 khu\u1ebfch \u0111\u1ea1i t\u00edn hi\u1ec7u, \u0111i\u1ec1u khi\u1ec3n b\u1eadt\/t\u1eaft v\u00e0 \u0111i\u1ec1u ch\u1ebf t\u00edn hi\u1ec7u. \u0110\u00e2y l\u00e0 th\u00e0nh ph\u1ea7n c\u1ed1t l\u00f5i c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed hi\u1ec7n \u0111\u1ea1i, \u0111\u00e3 thay th\u1ebf c\u00e1c \u1ed1ng ch\u00e2n kh\u00f4ng th\u1ebf h\u1ec7 tr\u01b0\u1edbc v\u00e0 s\u1edf h\u1eefu nh\u1eefng \u01b0u \u0111i\u1ec3m nh\u01b0 k\u00edch th\u01b0\u1edbc nh\u1ecf g\u1ecdn, ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng th\u1ea5p v\u00e0 \u0111\u1ed9 tin c\u1eady cao.<\/p>\n<p style=\"text-indent: 2em; margin-top: 15px;\">B\u00f3ng b\u00e1n d\u1eabn \u0111\u01b0\u1ee3c chia th\u00e0nh hai lo\u1ea1i ch\u00ednh:<strong>B\u00f3ng b\u00e1n d\u1eabn l\u01b0\u1ee1ng c\u1ef1c (BJT)<\/strong> \u548c<strong>B\u00f3ng b\u00e1n d\u1eabn hi\u1ec7u \u1ee9ng tr\u01b0\u1eddng (FET)<\/strong>. B\u00f3ng b\u00e1n d\u1eabn l\u01b0\u1ee1ng c\u1ef1c \u0111\u01b0\u1ee3c c\u1ea5u t\u1ea1o t\u1eeb ba l\u1edbp v\u1eadt li\u1ec7u b\u00e1n d\u1eabn (NPN ho\u1eb7c PNP), \u0111\u01b0\u1ee3c chia th\u00e0nh<strong>C\u1ef1c ph\u00e1t (E)<\/strong>\u3001<strong>C\u1ef1c c\u01a1 s\u1edf (B)<\/strong> \u548c<strong>\u0110i\u1ec7n c\u1ef1c thu (C)<\/strong>\u3002<\/p>\n<div style=\"text-align: center; margin-top: 25px; background: #f9f9f9; padding: 20px; border-radius: 8px;\">\n<div id=\"attachment_15655\" style=\"width: 404px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-15655\" class=\"wp-image-15655\" title=\"\u56fe12-6  BJT \u7684\u7b26\u53f7\" src=\"http:\/\/www.erun-tech.com\/wp-content\/uploads\/2026\/01\/c7975ff4fad779966b6e0b9d5879d72e-1.png\" alt=\"\u56fe12-6  BJT \u7684\u7b26\u53f7\" width=\"394\" height=\"242\" srcset=\"http:\/\/www.erun-tech.com\/wp-content\/uploads\/2026\/01\/c7975ff4fad779966b6e0b9d5879d72e-1.png 690w, http:\/\/www.erun-tech.com\/wp-content\/uploads\/2026\/01\/c7975ff4fad779966b6e0b9d5879d72e-1-300x184.png 300w, http:\/\/www.erun-tech.com\/wp-content\/uploads\/2026\/01\/c7975ff4fad779966b6e0b9d5879d72e-1-18x12.png 18w, http:\/\/www.erun-tech.com\/wp-content\/uploads\/2026\/01\/c7975ff4fad779966b6e0b9d5879d72e-1-600x369.png 600w\" sizes=\"auto, (max-width: 394px) 100vw, 394px\" \/><p id=\"caption-attachment-15655\" class=\"wp-caption-text\">H\u00ecnh 12-6 Bi\u1ec3u t\u01b0\u1ee3ng c\u1ee7a BJT<\/p><\/div>\n<\/div>\n<\/div>\n<\/section>\n<section style=\"margin-bottom: 50px;\">\n<h2 style=\"background: #1f365c; color: #fff; padding: 12px 25px; border-left: 10px solid #ef9308; border-radius: 4px; font-size: 20px;\">II. Th\u1ef1c h\u00e0nh \u0111o l\u01b0\u1eddng b\u00f3ng b\u00e1n d\u1eabn (ph\u01b0\u01a1ng ph\u00e1p s\u1eed d\u1ee5ng \u0111\u1ed3ng h\u1ed3 kim)<\/h2>\n<div style=\"margin-top: 25px; padding: 0 15px;\">\n<div style=\"border: 1px solid #ddd; border-radius: 12px; overflow: hidden; margin-bottom: 40px;\">\n<div style=\"background: #f0f4f8; padding: 15px 20px; font-weight: bold; color: #1f365c; border-bottom: 1px solid #ddd;\">1. Quy tr\u00ecnh x\u00e1c \u0111\u1ecbnh c\u1ea5u tr\u00fac \u1ed1ng v\u00e0 c\u1ef1c c\u01a1 s\u1edf (Base)<\/div>\n<div style=\"padding: 25px;\">\n<p><strong>(1) C\u1ea5p s\u1ed1:<\/strong>L\u1ef1a ch\u1ecdn m\u1ee9c \u0111i\u1ec7n tr\u1edf <strong>R\u00d71k<\/strong> Ch\u1eb7n l\u1ea1i.<\/p>\n<p><strong>(2) Th\u1eed nghi\u1ec7m A:<\/strong>\u0110\u1ea7u d\u00f2 m\u00e0u \u0111\u1ecf ch\u1ea1m v\u00e0o m\u1ed9t ch\u00e2n, \u0111\u1ea7u d\u00f2 m\u00e0u \u0111en l\u1ea7n l\u01b0\u1ee3t ch\u1ea1m v\u00e0o hai ch\u00e2n c\u00f2n l\u1ea1i, t\u1eeb \u0111\u00f3 thu \u0111\u01b0\u1ee3c ba b\u1ed9 gi\u00e1 tr\u1ecb \u0111o (m\u1ed7i b\u1ed9 g\u1ed3m hai l\u1ea7n \u0111o).<\/p>\n<p><strong>(3) Th\u1eed nghi\u1ec7m B:<\/strong>\u0110\u1ea7u d\u00f2 m\u00e0u \u0111en ch\u1ea1m v\u00e0o m\u1ed9t ch\u00e2n, hai \u0111\u1ea7u d\u00f2 m\u00e0u \u0111\u1ecf l\u1ea7n l\u01b0\u1ee3t ch\u1ea1m v\u00e0o hai ch\u00e2n c\u00f2n l\u1ea1i, t\u1eeb \u0111\u00f3 thu \u0111\u01b0\u1ee3c ba b\u1ed9 gi\u00e1 tr\u1ecb \u0111o (m\u1ed7i b\u1ed9 g\u1ed3m hai l\u1ea7n \u0111o).<\/p>\n<div style=\"display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 20px;\">\n<div style=\"background: #fff; border: 2px solid #1f365c; padding: 15px; border-radius: 8px; text-align: center;\"><strong style=\"color: #1f365c;\">X\u00e1c \u0111\u1ecbnh lo\u1ea1i b\u00f3ng b\u00e1n d\u1eabn NPN<\/strong><\/p>\n<p style=\"font-size: 14px; margin-top: 10px;\">Khi m\u1ed9t trong hai nh\u00f3m c\u00f3 c\u1ea3 hai l\u1ea7n \u0111o \u0111\u1ec1u \u1edf m\u1ee9c th\u1ea5p (kim ch\u1ec9 s\u1ed1 l\u1ec7ch nhi\u1ec1u), n\u1ebfu<strong>Ch\u00e2n chung l\u00e0 \u0111\u1ea7u b\u00fat m\u00e0u \u0111en<\/strong>, th\u00ec \u0111\u00f3 l\u00e0 NPN; l\u00fac n\u00e0y, ch\u00e2n ti\u1ebfp x\u00fac v\u1edbi \u0111\u1ea7u d\u00f2 m\u00e0u \u0111en ch\u00ednh l\u00e0<strong>C\u1ef1c c\u01a1 s\u1edf (B)<\/strong>\u3002<\/p>\n<\/div>\n<div style=\"background: #fff; border: 2px solid #ef9308; padding: 15px; border-radius: 8px; text-align: center;\"><strong style=\"color: #ef9308;\">X\u00e1c \u0111\u1ecbnh lo\u1ea1i \u1ed1ng PNP<\/strong><\/p>\n<p style=\"font-size: 14px; margin-top: 10px;\">Khi m\u1ed9t trong hai nh\u00f3m c\u00f3 c\u1ea3 hai l\u1ea7n \u0111o \u0111\u1ec1u \u1edf m\u1ee9c th\u1ea5p (kim ch\u1ec9 s\u1ed1 l\u1ec7ch nhi\u1ec1u), n\u1ebfu<strong>Ch\u00e2n chung l\u00e0 \u0111\u1ea7u d\u00f2 m\u00e0u \u0111\u1ecf<\/strong>, th\u00ec \u0111\u00f3 l\u00e0 PNP; l\u00fac n\u00e0y, ch\u00e2n m\u00e0 \u0111\u1ea7u d\u00f2 m\u00e0u \u0111\u1ecf ti\u1ebfp x\u00fac ch\u00ednh l\u00e0<strong>C\u1ef1c c\u01a1 s\u1edf (B)<\/strong>\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div style=\"border: 1px solid #ddd; border-radius: 12px; overflow: hidden;\">\n<div style=\"background: #fff8e6; padding: 15px 20px; font-weight: bold; color: #856404; border-bottom: 1px solid #ddd;\">2. Ph\u00e2n bi\u1ec7t c\u1ef1c ph\u00e1t (E) v\u00e0 c\u1ef1c thu (C) (ph\u01b0\u01a1ng ph\u00e1p d\u00f9ng ng\u00f3n tay ch\u1ecdc v\u00e0o)<\/div>\n<div style=\"padding: 25px;\">\n<p style=\"margin-bottom: 15px;\"><strong>Nguy\u00ean l\u00fd ph\u00e2n bi\u1ec7t:<\/strong>X\u00e1c \u0111\u1ecbnh d\u1ef1a tr\u00ean nguy\u00ean l\u00fd r\u1eb1ng h\u1ec7 s\u1ed1 khu\u1ebfch \u0111\u1ea1i c\u1ee7a transistor l\u1edbn khi ho\u1ea1t \u0111\u1ed9ng \u1edf ch\u1ebf \u0111\u1ed9 thu\u1eadn v\u00e0 nh\u1ecf khi ho\u1ea1t \u0111\u1ed9ng \u1edf ch\u1ebf \u0111\u1ed9 ngh\u1ecbch.<\/p>\n<div style=\"background: #f9f9f9; padding: 20px; border-radius: 8px; border-left: 5px solid #ef9308;\">\n<p><strong>C\u00e1c b\u01b0\u1edbc th\u1ef1c hi\u1ec7n l\u1ea5y \u1ed1ng NPN l\u00e0m v\u00ed d\u1ee5:<\/strong><\/p>\n<ol>\n<li>Trong hai ch\u00e2n c\u00f2n l\u1ea1i, gi\u1ea3 s\u1eed m\u1ed9t trong hai ch\u00e2n \u0111\u00f3 l\u00e0 c\u1ef1c thu C, c\u00f2n ch\u00e2n kia l\u00e0 c\u1ef1c ph\u00e1t E.<\/li>\n<li>\u7528<strong>\u0110\u1ea7u d\u00f2 m\u00e0u \u0111en n\u1ed1i v\u1edbi C, \u0111\u1ea7u d\u00f2 m\u00e0u \u0111\u1ecf n\u1ed1i v\u1edbi E<\/strong>\u3002<\/li>\n<li><strong>C\u00e1c b\u01b0\u1edbc ch\u00ednh:<\/strong>D\u00f9ng hai ng\u00f3n tay \u0111\u00e3 l\u00e0m \u01b0\u1edbt \u0111\u1ec3 k\u1eb9p \u0111\u1ed3ng th\u1eddi hai c\u1ef1c C v\u00e0 E (l\u01b0u \u00fd kh\u00f4ng \u0111\u1ec3 ng\u00f3n tay l\u00e0m ch\u1eadp m\u1ea1ch tr\u1ef1c ti\u1ebfp gi\u1eefa hai c\u1ef1c; vi\u1ec7c n\u00e0y nh\u1eb1m t\u1eadn d\u1ee5ng \u0111i\u1ec7n tr\u1edf c\u1ee7a c\u01a1 th\u1ec3 \u0111\u1ec3 cung c\u1ea5p d\u00f2ng \u0111i\u1ec7n l\u1ec7ch pha cho c\u1ef1c c\u01a1 s\u1edf), sau \u0111\u00f3 ghi l\u1ea1i g\u00f3c l\u1ec7ch c\u1ee7a kim \u0111\u1ed3ng h\u1ed3.<\/li>\n<li>Gi\u1ea3 s\u1eed ch\u00e2n c\u00f2n l\u1ea1i l\u00e0 c\u1ef1c thu C, h\u00e3y ti\u1ebfn h\u00e0nh \u0111o l\u1ea1i theo c\u00e1ch t\u01b0\u01a1ng t\u1ef1.<\/li>\n<\/ol>\n<p style=\"margin-top: 15px; font-weight: bold; color: #1f365c;\">K\u1ebft lu\u1eadn: Khi so s\u00e1nh k\u1ebft qu\u1ea3 c\u1ee7a hai l\u1ea7n \u0111o, l\u1ea7n n\u00e0o g\u00f3c l\u1ec7ch kim l\u1edbn h\u01a1n th\u00ec ch\u1ee9ng t\u1ecf h\u1ec7 s\u1ed1 khu\u1ebfch \u0111\u1ea1i d\u00f2ng \u0111i\u1ec7n c\u1ee7a b\u00f3ng b\u00e1n d\u1eabn l\u1edbn h\u01a1n, ch\u1ee9ng t\u1ecf gi\u1ea3 thuy\u1ebft ban \u0111\u1ea7u l\u00e0 \u0111\u00fang, t\u1ee9c l\u00e0 \u0111\u1ea7u d\u00f2 m\u00e0u \u0111en t\u01b0\u01a1ng \u1ee9ng v\u1edbi c\u1ef1c thu C.<\/p>\n<\/div>\n<div style=\"text-align: center; margin-top: 20px;\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<div style=\"margin: 40px 15px 0; background: #1f365c; color: white; padding: 20px; border-radius: 8px;\"><strong style=\"color: #ef9308;\">\ud83d\udca1 T\u00f3m t\u1eaft c\u00e1c m\u1eb9o s\u1eed d\u1ee5ng:<\/strong><\/p>\n<p style=\"margin: 5px 0 0 0; font-size: 14px;\">Khi x\u00e1c \u0111\u1ecbnh lo\u1ea1i b\u00f3ng b\u00e1n d\u1eabn, h\u00e3y nh\u1edb nguy\u00ean t\u1eafc: \u201cBa c\u1ef1c ng\u01b0\u1ee3c nhau th\u00ec t\u00ecm c\u1ef1c c\u01a1 s\u1edf; hai c\u1ef1c t\u01b0\u01a1ng \u1ee9ng th\u00ec t\u00ecm c\u1ef1c thu\u201d. Khi \u0111o b\u1eb1ng \u0111\u1ed3ng h\u1ed3 v\u1ea1n n\u0103ng kim, \u0111\u1ea7u d\u00f2 m\u00e0u \u0111en \u0111\u01b0\u1ee3c n\u1ed1i v\u1edbi c\u1ef1c d\u01b0\u01a1ng c\u1ee7a pin b\u00ean trong; \u0111i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng khi x\u00e1c \u0111\u1ecbnh lo\u1ea1i NPN\/PNP.<\/p>\n<\/div>\n<footer style=\"text-align: center; margin-top: 60px; padding-top: 30px; border-top: 1px solid #eee; color: #999; font-size: 13px;\">\u0110\u00e0o t\u1ea1o k\u1ef9 n\u0103ng c\u01a1 b\u1ea3n v\u1ec1 \u0111i\u1ec7n t\u1eed v\u00e0 \u0111i\u1ec7n tr\u00ean t\u00e0u | Ph\u1ea7n \u0111o l\u01b0\u1eddng c\u01a1 b\u1ea3n | Phi\u00ean b\u1ea3n s\u1eeda \u0111\u1ed5i n\u0103m 2026<\/footer>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Th\u1ef1c h\u00e0nh c\u01a1 b\u1ea3n v\u1ec1 \u0111i\u1ec7n: Nh\u1eadn bi\u1ebft v\u00e0 \u0111o l\u01b0\u1eddng b\u00f3ng b\u00e1n d\u1eabn \u0110\u00e0o t\u1ea1o k\u1ef9 n\u0103ng c\u01a1 b\u1ea3n v\u1ec1 \u0111i\u1ec7n t\u1eed v\u00e0 \u0111i\u1ec7n tr\u00ean t\u00e0u I. Kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n v\u1ec1 b\u00f3ng b\u00e1n d\u1eabn B\u00f3ng b\u00e1n d\u1eabn (Transisto\u2026<\/p>","protected":false},"author":1,"featured_media":15661,"comment_status":"open","ping_status":"closed","template":"","dt_portfolio_category":[891],"dt_portfolio_tags":[],"class_list":["post-15660","dt_portfolio","type-dt_portfolio","status-publish","has-post-thumbnail","hentry","dt_portfolio_category-dianzidianqiyuanshicaopinggukecheng","dt_portfolio_category-891","description-off"],"_links":{"self":[{"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/dt_portfolio\/15660","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/dt_portfolio"}],"about":[{"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/types\/dt_portfolio"}],"author":[{"embeddable":true,"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/comments?post=15660"}],"version-history":[{"count":1,"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/dt_portfolio\/15660\/revisions"}],"predecessor-version":[{"id":15662,"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/dt_portfolio\/15660\/revisions\/15662"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/media\/15661"}],"wp:attachment":[{"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/media?parent=15660"}],"wp:term":[{"taxonomy":"dt_portfolio_category","embeddable":true,"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/dt_portfolio_category?post=15660"},{"taxonomy":"dt_portfolio_tags","embeddable":true,"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/dt_portfolio_tags?post=15660"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}