{"id":18676,"date":"2020-11-18T09:15:48","date_gmt":"2020-11-18T09:15:48","guid":{"rendered":"https:\/\/hocvienit.vn\/?p=18676"},"modified":"2024-07-03T12:35:35","modified_gmt":"2024-07-03T05:35:35","slug":"nguon-doi-xung-la-gi-lam-the-nao-de-tao-ra-nguon-doi-xung","status":"publish","type":"post","link":"https:\/\/hocvienit.vn\/?p=18676","title":{"rendered":"Ngu\u1ed3n \u0111\u1ed1i x\u1ee9ng l\u00e0 g\u00ec? L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u1ea1o ra ngu\u1ed3n \u0111\u1ed1i x\u1ee9ng?"},"content":{"rendered":"<p style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 16px;\">N\u1ebfu mu\u1ed1n khu\u1ebfch \u0111\u1ea1i m\u1ed9t t\u00edn hi\u1ec7u c\u00f3 d\u1ea1ng AC th\u00ec ch\u1eafc ch\u1eafn nh\u1eefng m\u1ea1ch khu\u1ebfch \u0111\u1ea1i c\u1ea7n m\u1ed9t ngu\u1ed3n \u0111\u1ed1i x\u1ee9ng \u0111\u1ec3 cung c\u1ea5p \u0111i\u1ec7n n\u0103ng. V\u1eady b\u1ea1n \u0111\u00e3 bi\u1ebft <strong>ngu\u1ed3n \u0111\u1ed1i x\u1ee9ng l\u00e0 g\u00ec?<\/strong> L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u1ea1o ra m\u1ed9t ngu\u1ed3n \u0111\u1ed1i x\u1ee9ng? H\u00e3y c\u00f9ng H\u1ecdc vi\u1ec7n iT.vn t\u00ecm hi\u1ec3u ngay qua b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y.<\/span><\/p>\n<figure id=\"attachment_18677\" aria-describedby=\"caption-attachment-18677\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-18677 size-full\" title=\"Ngu\u1ed3n \u0111\u1ed1i x\u1ee9ng l\u00e0 g\u00ec? L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u1ea1o ra ngu\u1ed3n \u0111\u1ed1i x\u1ee9ng?\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2020\/11\/nguon-doi-xung-la-gi-lam-the-nao-de-tao-ra-nguon-doi-xung.jpg\" alt=\"Ngu\u1ed3n \u0111\u1ed1i x\u1ee9ng l\u00e0 g\u00ec? L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u1ea1o ra ngu\u1ed3n \u0111\u1ed1i x\u1ee9ng?\" width=\"750\" height=\"400\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2020\/11\/nguon-doi-xung-la-gi-lam-the-nao-de-tao-ra-nguon-doi-xung.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2020\/11\/nguon-doi-xung-la-gi-lam-the-nao-de-tao-ra-nguon-doi-xung-510x272.jpg 510w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2020\/11\/nguon-doi-xung-la-gi-lam-the-nao-de-tao-ra-nguon-doi-xung-300x160.jpg 300w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-18677\" class=\"wp-caption-text\"><span style=\"font-size: 16px; color: #333333;\">Ngu\u1ed3n \u0111\u1ed1i x\u1ee9ng l\u00e0 g\u00ec? L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u1ea1o ra ngu\u1ed3n \u0111\u1ed1i x\u1ee9ng?<\/span><\/figcaption><\/figure>\n<h2 style=\"text-align: justify;\"><span style=\"font-size: 24px;\"><strong>Ngu\u1ed3n \u0111\u1ed1i x\u1ee9ng l\u00e0 g\u00ec?<\/strong><\/span><\/h2>\n<p style=\"text-align: justify;\">Ngu\u1ed3n \u0111\u1ed1i x\u1ee9ng, kh\u00e1c v\u1edbi ngu\u1ed3n \u0111i\u1ec7n th\u00f4ng th\u01b0\u1eddng, cung c\u1ea5p <strong>hai \u0111i\u1ec7n \u00e1p c\u00f3 gi\u00e1 tr\u1ecb b\u1eb1ng nhau nh\u01b0ng tr\u00e1i d\u1ea5u<\/strong>, v\u00ed d\u1ee5: \u00b112V, \u00b115V.<\/p>\n<p style=\"text-align: justify;\">\u1ee8ng d\u1ee5ng c\u1ee7a ngu\u1ed3n \u0111\u1ed1i x\u1ee9ng:<\/p>\n<ul style=\"text-align: justify;\">\n<li><strong>Khu\u1ebfch \u0111\u1ea1i \u00e2m thanh:<\/strong> Ngu\u1ed3n \u0111\u1ed1i x\u1ee9ng gi\u00fap khu\u1ebfch \u0111\u1ea1i t\u00edn hi\u1ec7u \u00e2m thanh m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c v\u00e0 hi\u1ec7u qu\u1ea3, mang \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng \u00e2m thanh trong tr\u1ebbo, s\u1ed1ng \u0111\u1ed9ng.<\/li>\n<li><strong>H\u1ed7 tr\u1ee3 m\u1ea1ch \u0111i\u1ec7n t\u1eed:<\/strong> C\u00e1c m\u1ea1ch \u0111i\u1ec7n t\u1eed, \u0111\u1eb7c bi\u1ec7t l\u00e0 Op-Amp, y\u00eau c\u1ea7u ngu\u1ed3n \u0111\u1ed1i x\u1ee9ng \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh v\u00e0 ch\u00ednh x\u00e1c.<\/li>\n<li><strong>\u0110o l\u01b0\u1eddng ch\u00ednh x\u00e1c:<\/strong> Ngu\u1ed3n \u0111\u1ed1i x\u1ee9ng gi\u00fap tr\u00e1nh hi\u1ec7n t\u01b0\u1ee3ng m\u00e9o t\u00edn hi\u1ec7u khi \u0111o l\u01b0\u1eddng c\u00e1c t\u00edn hi\u1ec7u AC, \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c cao cho ph\u00e9p \u0111o.<\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 16px;\">\u0110\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n ngu\u1ed3n \u0111\u1ed1i x\u1ee9ng l\u00e0 g\u00ec, ch\u00fang ta h\u00e3y c\u00f9ng tham kh\u1ea3o th\u00ed nghi\u1ec7m d\u01b0\u1edbi \u0111\u00e2y:<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 16px;\">\u0110\u1ea7u ti\u00ean, ta \u0111o pin tr\u00ean <a href=\"https:\/\/hocvienit.vn\/danh-muc-san-pham\/may-do-song-dao-dong\/\" target=\"_blank\" rel=\"noopener\"><strong>m\u00e1y hi\u1ec7n s\u00f3ng<\/strong><\/a>. Gi\u1ea3 s\u1eed ta l\u1ea5y m\u00e1t l\u00e0m c\u1ef1c t\u00ednh \u00e2m th\u00ec ta th\u1ea5y t\u00edn hi\u1ec7u \u0111i\u1ec7n d\u01b0\u01a1ng. Tuy nhi\u00ean khi ta l\u1ea5y m\u00e1t l\u00e0m c\u1ef1c t\u00ednh d\u01b0\u01a1ng th\u00ec ta th\u1ea5y t\u00edn hi\u1ec7u \u0111i\u1ec7n \u00e2m. Do v\u1eady, vi\u1ec7c ta quy\u1ebft \u0111\u1ecbnh m\u00e1t s\u1ebd quy\u1ebft \u0111\u1ecbnh \u0111\u00e2u l\u00e0 c\u1ef1c t\u00ednh v\u00e0 d\u01b0\u01a1ng c\u1ee7a ngu\u1ed3n. N\u00f3i c\u00e1ch kh\u00e1c l\u00e0 n\u00f3 mang t\u00ednh ch\u1ea5t t\u01b0\u01a1ng \u0111\u1ed1i.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 16px;\">Trong m\u1ed9t m\u1ea1ch \u0111i\u1ec7n y\u00eau c\u1ea7u ngu\u1ed3n \u0111\u1ed1i x\u1ee9ng th\u00ec n\u00f3 s\u1ebd ph\u1ea3i c\u00f3 \u0111\u1ed3ng th\u1eddi c\u1ea3 t\u00edn hi\u1ec7u d\u01b0\u01a1ng v\u00e0 t\u00edn hi\u1ec7u \u00e2m. \u0110\u1ec3 l\u00e0m \u0111\u01b0\u1ee3c \u0111i\u1ec1u \u0111\u00f3, ng\u01b0\u1eddi ta s\u1ebd n\u1ed1i ti\u1ebfp hai qu\u1ea3 pin v\u00e0 l\u1ef1a ch\u1ecdn c\u1ef1c m\u00e1t \u1edf \u0111i\u1ec3m n\u1ed1i ti\u1ebfp. Hai c\u1ef1c c\u00f2n l\u1ea1i l\u00e0 c\u1ef1c d\u01b0\u01a1ng v\u00e0 c\u1ef1c \u00e2m. \u0110\u00e2y ch\u00ednh l\u00e0 ngu\u1ed3n \u0111\u1ed1i x\u1ee9ng.\u00a0\u00a0<\/span><\/p>\n<h2 style=\"text-align: justify;\"><span style=\"font-size: 24px;\"><strong>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u1ea1o ra ngu\u1ed3n \u0111\u1ed1i x\u1ee9ng?<\/strong><\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 16px;\">Tr\u00ean th\u1ef1c t\u1ebf ta kh\u00f4ng th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c vi\u00ean pin m\u1eafc n\u1ed1i ti\u1ebfp \u0111\u1ec3 cung c\u1ea5p cho c\u00e1c m\u1ea1ch \u0111i\u1ec7n m\u00e0 ch\u00fang ta c\u1ea7n ph\u1ea3i s\u1eed d\u1ee5ng nh\u1eefng m\u1ea1ch \u0111i\u1ec7n nh\u01b0 sau:<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 16px;\">S\u1eed d\u1ee5ng m\u1ed9t bi\u1ebfn \u00e1p v\u00e0 cu\u1ed9n th\u1ee9 c\u1ea5p c\u00f3 hai cu\u1ed9n d\u00e2y cu\u1ed1n chung t\u1ea1i m\u1ed9t \u0111i\u1ec3m v\u1edbi t\u1ef7 s\u1ed1 v\u00f2ng d\u00e2y b\u1eb1ng nhau. Hai \u0111\u1ea7u d\u00e2y s\u1ebd \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o c\u1ea7u <a href=\"https:\/\/hocvienit.vn\/diode-chinh-luu-la-gi\/\" target=\"_blank\" rel=\"noopener\"><strong>diode<\/strong><\/a> \u0111\u1ec3 ch\u1ec9nh l\u01b0u v\u00e0 \u0111i\u1ec3m gi\u1eefa \u0111\u01b0\u1ee3c ch\u1ecdn l\u00e0m m\u00e1t. Hai \u0111\u1ea7u ra c\u1ee7a c\u1ea7u diode d\u01b0\u01a1ng v\u00e0 \u00e2m s\u1ebd \u0111\u01b0\u1ee3c m\u1eafc v\u1edbi c\u1ea3 hai con t\u1ee5 h\u00f3a v\u00e0 m\u1eafc n\u1ed1i ti\u1ebfp nhau. \u0110i\u1ec3m gi\u1eefa n\u1ed1i ti\u1ebfp c\u1ee7a hai t\u1ee5 h\u00f3a s\u1ebd \u0111\u01b0\u1ee3c m\u1eafc v\u1edbi \u0111i\u1ec3m gi\u1eefa c\u1ee7a bi\u1ebfn \u00e1p. Nh\u01b0 v\u1eady t\u1ea1i hai ch\u00e2n d\u01b0\u01a1ng v\u00e0 \u00e2m c\u1ee7a hai t\u1ee5 h\u00f3a s\u1ebd cung c\u1ea5p ra hai ngu\u1ed3n \u0111\u1ed1i x\u1ee9ng nhau.\u00a0<\/span><\/p>\n<figure id=\"attachment_18680\" aria-describedby=\"caption-attachment-18680\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-18680 size-full\" title=\"C\u00e1ch t\u1ea1o ra ngu\u1ed3n \u0111\u1ed1i x\u1ee9ng\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2020\/11\/cach-tao-ra-nguon-doi-xung.jpg\" alt=\"C\u00e1ch t\u1ea1o ra ngu\u1ed3n \u0111\u1ed1i x\u1ee9ng\" width=\"750\" height=\"400\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2020\/11\/cach-tao-ra-nguon-doi-xung.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2020\/11\/cach-tao-ra-nguon-doi-xung-510x272.jpg 510w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2020\/11\/cach-tao-ra-nguon-doi-xung-300x160.jpg 300w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-18680\" class=\"wp-caption-text\"><span style=\"font-size: 16px; color: #333333;\">C\u00e1ch t\u1ea1o ra ngu\u1ed3n \u0111\u1ed1i x\u1ee9ng<\/span><\/figcaption><\/figure>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 16px;\">\u0110\u00e2y l\u00e0 m\u1ea1ch ngu\u1ed3n c\u01a1 b\u1ea3n v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng c\u1ef1c k\u1ef3 r\u1ed9ng r\u00e3i trong c\u00e1c thi\u1ebft b\u1ecb nh\u01b0 \u00e2m thanh v\u00e0 m\u1ea1ch khu\u1ebfch \u0111\u1ea1i t\u00edn hi\u1ec7u \u0111o l\u01b0\u1eddng, khu\u1ebfch \u0111\u1ea1i t\u00edn hi\u1ec7u c\u1ea3m bi\u1ebfn c\u00f3 s\u1eed d\u1ee5ng t\u00edn hi\u1ec7u AC\u2026<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 16px;\">V\u00ed d\u1ee5: Ch\u00fang ta l\u1eafp hai ch\u00e2n xoay chi\u1ec1u c\u1ee7a AC c\u1ee7a bi\u1ebfn \u00e1p cho v\u00e0o hai ch\u00e2n AC c\u1ee7a diode. Ch\u00e2n m\u00e1t s\u1ebd \u0111\u1ec3 ri\u00eang \u0111\u1ec3 k\u1ebft n\u1ed1i v\u1edbi hai con t\u1ee5 h\u00f3a. M\u1ed9t c\u1ef1c d\u01b0\u01a1ng c\u1ee7a c\u1ea7u diode s\u1ebd \u0111\u1ea5u v\u1edbi c\u1ef1c d\u01b0\u01a1ng c\u1ee7a t\u1ee5, c\u1ef1c \u00e2m c\u1ee7a c\u1ea7u diode th\u00ec s\u1ebd h\u00e0n v\u1edbi m\u1ed9t c\u1ef1c \u00e2m c\u1ee7a con t\u1ee5. Sau \u0111\u00f3, hai ch\u00e2n c\u00f2n l\u1ea1i c\u1ee7a hai t\u1ee5 s\u1ebd m\u1eafc n\u1ed1i ti\u1ebfp v\u1edbi nhau r\u1ed3i m\u1eafc ch\u00e2n m\u00e1t v\u00e0o \u0111i\u1ec3m gi\u1eefa c\u1ee7a hai con t\u1ee5. Khi \u0111\u00f3, ta \u0111\u00e3 t\u1ea1o ra \u0111\u01b0\u1ee3c m\u1ed9t m\u1ea1ch \u0111\u1ed1i x\u1ee9ng c\u00f3 c\u1ea3 c\u1ef1c d\u01b0\u01a1ng v\u00e0 c\u1ef1c \u00e2m.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400; font-size: 16px;\">Tr\u00ean \u0111\u00e2y l\u00e0 chia s\u1ebb c\u1ee7a H\u1ecdc vi\u1ec7n iT.vn v\u1ec1 m\u1ea1ch \u0111\u1ed1i x\u1ee9ng. 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<p style=\"text-align: left;\"><i>M\u1ecdi chi ti\u1ebft xin vui l\u00f2ng li\u00ean h\u1ec7:<br \/>\n<\/i><strong>C\u00d4NG TY C\u1ed4 PH\u1ea6N H\u1eccC VI\u1ec6N IT<br \/>\n<\/strong><strong>MST: 0108733789<br \/>\n<\/strong><strong>Hotline: 0981 223 001<br \/>\n<\/strong><strong>Facebook:<\/strong>\u00a0<a href=\"http:\/\/www.fb.com\/hocvienit\" target=\"_blank\" rel=\"noopener\">www.fb.com\/hocvienit<\/a><br \/>\n<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 nofollow\">http:\/\/bit.ly\/Youtube_HOCVIENiT<\/a><br \/>\n<b>H\u1ec7 th\u1ed1ng c\u01a1 s\u1edf \u0111\u00e0o t\u1ea1o:\u00a0<\/b><a href=\"https:\/\/hocvienit.vn\/lien-he\/\" target=\"_blank\" rel=\"noopener\">https:\/\/hocvienit.vn\/lien-he\/<\/a><br \/>\n<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><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>N\u1ebfu mu\u1ed1n khu\u1ebfch \u0111\u1ea1i m\u1ed9t t\u00edn hi\u1ec7u c\u00f3 d\u1ea1ng AC th\u00ec ch\u1eafc ch\u1eafn nh\u1eefng m\u1ea1ch khu\u1ebfch \u0111\u1ea1i c\u1ea7n m\u1ed9t ngu\u1ed3n \u0111\u1ed1i x\u1ee9ng \u0111\u1ec3 cung c\u1ea5p \u0111i\u1ec7n n\u0103ng. V\u1eady b\u1ea1n \u0111\u00e3 bi\u1ebft ngu\u1ed3n \u0111\u1ed1i x\u1ee9ng l\u00e0 g\u00ec? L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u1ea1o ra m\u1ed9t ngu\u1ed3n \u0111\u1ed1i x\u1ee9ng? 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