{"id":962,"date":"2020-06-04T11:46:16","date_gmt":"2020-06-04T03:46:16","guid":{"rendered":"https:\/\/www.block.tw\/blog\/?p=962"},"modified":"2020-06-05T09:27:46","modified_gmt":"2020-06-05T01:27:46","slug":"npn-ce-amp","status":"publish","type":"post","link":"https:\/\/www.block.tw\/blog\/npn-ce-amp\/","title":{"rendered":"\u97f3\u97ff\u653e\u5927\u96fb\u8def – \u96c6\u6975\u56de\u6388"},"content":{"rendered":"\n
\"\"\/
CE \u96c6\u6975\u56de\u6388\u504f\u58d3\u653e\u5927\u96fb\u8def<\/figcaption><\/figure><\/div>\n\n\n\n

\u8a2d\u5099\uff1a<\/strong>
1.\u793a\u6ce2\u5668
2.\u8a0a\u865f\u7522\u751f\u5668
3.\u4e09\u7528\u96fb\u8868<\/p>\n\n\n\n

\u6750\u6599\uff1a<\/strong>
1. NPN D525 \u00d71
2. 10\u03bcF \u00d71
3. \u5587\u53ed 4\u03a9~8\u03a9 5W\u4ee5\u4e0a \u00d71
4. 200\u03a9 1\/4W \u00d71
5. \u53ef\u8b8a\u96fb\u963b 1k\u03a9 \u00d71
6. 5V\u96fb\u6e90\u4f9b\u61c9\u5668(\u884c\u52d5\u96fb\u6e90) \u00d71
7. \u9eb5\u5305\u677f \u00d71<\/p>\n\n\n\n

\"\"\/
\u96fb\u6676\u9ad4\u63a5\u8173<\/figcaption><\/figure><\/div>\n\n\n\n
\"\"\/
\u9eb5\u5305\u677f\u63a5\u7dda<\/figcaption><\/figure><\/div>\n\n\n\n

\u6b64\u5be6\u7fd2\u4f7f\u7528 4\u03a9 \u5587\u53ed( \u56e0\u70ba\u63a5\u5728\u96fb\u6676\u9ad4\u7684 C \u8173\uff0c\u7c21\u7a31 RC<\/sub> )\uff0cRB<\/sub>\u96fb\u963b\u5be6\u969b\u6e2c\u91cf\u70ba217\u03a9\uff0c\u6e2c\u91cf VC<\/sub> \u53ca VB<\/sub> \u96fb\u58d3\uff0c\u7b97\u51fa IE<\/sub>\u3001IB<\/sub>\u96fb\u6d41 \u53ca\u96fb\u6676\u9ad4\u7684 \u03b2 \u503c\u3002\u628a 4\u03a9 \u5587\u53ed\u63db\u6210\u5176\u5b83\u96fb\u963b\u4f86\u5be6\u9a57\uff0c\u767c\u73fe VB<\/sub>\u3001\u03b2 \u4e26\u4e0d\u662f\u56fa\u5b9a\u7684\uff0c\u6703\u56e0\u70ba\u5de5\u4f5c\u9ede\u4e0d\u540c\u800c\u6539\u8b8a\u3002(Vcc \u4e26\u4e0d\u662f\u56fa\u5b9a 5V\uff0c\u6703\u56e0\u70ba\u96fb\u6d41\u8b8a\u5927\u9020\u6210\u8ca0\u8f09\u6548\u61c9\uff0c\u5c0e\u81f4\u96fb\u58d3\u964d\u4f4e)<\/p>\n\n\n\n
\n\n\n\n\n\n\n
RC<\/sub><\/td>\nRB<\/sub><\/td>\nVCC<\/sub><\/td>\nVC<\/sub><\/td>\nVB<\/sub><\/td>\nIE<\/sub><\/td>\nIB<\/sub><\/td>\n\u03b2<\/td>\n<\/tr>\n
4\u03a9<\/td>\n217\u03a9<\/td>\n4.3V<\/td>\n2.2V<\/td>\n0.7V<\/td>\n525mA<\/td>\n6.91mA<\/td>\n74.95<\/td>\n<\/tr>\n\n
21.8\u03a9<\/td>\n217\u03a9<\/td>\n4.77V<\/td>\n1.15V<\/td>\n0.67V<\/td>\n166mA<\/td>\n2.21mA<\/td>\n74.07<\/td>\n<\/tr>\n\n
49.8\u03a9<\/td>\n217\u03a9<\/td>\n4.88V<\/td>\n0.89V<\/td>\n0.63V<\/td>\n80.1mA<\/td>\n1.2mA<\/td>\n65.86<\/td>\n<\/tr>\n
98.8\u03a9<\/td>\n217\u03a9<\/td>\n4.9V<\/td>\n0.76V<\/td>\n0.61V<\/td>\n41.9mA<\/td>\n0.69mA<\/td>\n59.6<\/td>\n<\/tr>\n<\/table>\nIB<\/sub> = (VC<\/sub> \uff0d VB<\/sub>) \/ RB<\/sub> \u00d7 1000 mA\n
\nIE<\/sub> = (VCC<\/sub> \uff0d VC<\/sub>) \/ RC<\/sub> \u00d7 1000 mA\n
\n\n\n\n

\u96fb\u6676\u9ad4\u7121\u8a0a\u865f\u6d88\u8017\u529f\u7387 PD<\/sub> = VC<\/sub> \u00d7 IC<\/sub> = 2.2 \u00d7 0.525 = 1.1155W\uff0c\u96fb\u6e90\u6d88\u8017\u529f\u7387 P = VCC<\/sub> \u00d7 IE<\/sub> = 4.3 \u00d7 0.525 = 2.2575W (\u4ee5 4\u03a9 \u5587\u53ed \u70ba\u8ca0\u8f09)<\/p>\n\n\n\n

\u4e0b\u5716\u9ec3\u8272\u7dda\u70ba\u8f38\u5165\u6ce2\u5f62\uff0c\u85cd\u8272\u7dda\u70ba\u8f38\u51fa\u6ce2\u5f62\uff0c\u7531\u5716\u53ef\u77e5\uff0c\u8f38\u5165\u6ce2\u5f62\u8207\u8f38\u51fa\u6ce2\u5f62\u53cd\u76f8
\uff0c\u653e\u5927\u5668\u96fb\u58d3\u653e\u5927\u500d\u7387 AV<\/sub> = 540m\/38m = 14.2<\/p>\n\n\n\n

\"\"\/
\u8f38\u5165\u8f38\u51fa\u6ce2\u5f62<\/figcaption><\/figure><\/div>\n\n\n\n

RB<\/sub> \u70ba\u8ca0\u56de\u6388\u96fb\u963b\uff0c\u5c07 200\u03a9 \u5206\u6210\u4e8c\u500b 100\u03a9 \u4e32\u806f\u4e2d\u9593\u52a0\u96fb\u5bb9\u63a5\u5730\uff0c\u5982\u4e0b\u5716\uff0c\u76f4\u6d41\u6709\u8ca0\u56de\u6388\uff0c\u7a69\u5b9a\u76f4\u6d41\u504f\u58d3\uff0c\u4ea4\u6d41\u7121\u8ca0\u56de\u6388\uff0c\u653e\u5927\u500d\u7387\u63d0\u5347\uff0c\u653e\u5927\u500d\u7387 AV<\/sub> = 1260m \/ 66m = 19<\/p>\n\n\n\n

\"\"\/<\/figure><\/div>\n\n\n\n
\"\"\/
\u8f38\u5165\u8f38\u51fa\u6ce2\u5f62 (\u6709\u65c1\u8def\u96fb\u5bb9)<\/figcaption><\/figure><\/div>\n\n\n\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

\u8a2d\u5099\uff1a1.\u793a\u6ce2\u56682.\u8a0a\u865f\u7522\u751f\u56683.\u4e09\u7528\u96fb\u8868 \u6750\u6599\uff1a1. NPN D525 \u00d712. 10\u03bcF \u00d713. \u5587\u53ed …
Read more<\/a><\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[34],"tags":[],"class_list":["post-962","post","type-post","status-publish","format-standard","hentry","category-electronic"],"gutentor_comment":0,"featured_image_urls":{"full":"","thumbnail":"","medium":"","medium_large":"","large":"","1536x1536":"","2048x2048":"","post-thumbnail":"","mesmerize-full-hd":""},"post_excerpt_stackable":"

CE \u96c6\u6975\u56de\u6388\u504f\u58d3\u653e\u5927\u96fb\u8def \u8a2d\u5099\uff1a1.\u793a\u6ce2\u56682.\u8a0a\u865f\u7522\u751f\u56683.\u4e09\u7528\u96fb\u8868 \u6750\u6599\uff1a1. NPN D525 \u00d712. 10\u03bcF \u00d713. \u5587\u53ed 4\u03a9~8\u03a9 5W\u4ee5\u4e0a \u00d714. 200\u03a9 1\/4W \u00d715. …<\/p>\n","category_list":"\u96fb\u5b50\u5b78<\/a>","author_info":{"name":"mcu","url":"https:\/\/www.block.tw\/blog\/author\/mcu\/"},"comments_num":"0 comments","featured_image_urls_v2":{"full":"","thumbnail":"","medium":"","medium_large":"","large":"","1536x1536":"","2048x2048":"","post-thumbnail":"","mesmerize-full-hd":""},"post_excerpt_stackable_v2":"

CE \u96c6\u6975\u56de\u6388\u504f\u58d3\u653e\u5927\u96fb\u8def \u8a2d\u5099\uff1a1.\u793a\u6ce2\u56682.\u8a0a\u865f\u7522\u751f\u56683.\u4e09\u7528\u96fb\u8868 \u6750\u6599\uff1a1. NPN D525 \u00d712. 10\u03bcF \u00d713. \u5587\u53ed 4\u03a9~8\u03a9 5W\u4ee5\u4e0a \u00d714. 200\u03a9 1\/4W \u00d715. …<\/p>\n","category_list_v2":"\u96fb\u5b50\u5b78<\/a>","author_info_v2":{"name":"mcu","url":"https:\/\/www.block.tw\/blog\/author\/mcu\/"},"comments_num_v2":"0 comments","_links":{"self":[{"href":"https:\/\/www.block.tw\/blog\/wp-json\/wp\/v2\/posts\/962","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.block.tw\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.block.tw\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.block.tw\/blog\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.block.tw\/blog\/wp-json\/wp\/v2\/comments?post=962"}],"version-history":[{"count":23,"href":"https:\/\/www.block.tw\/blog\/wp-json\/wp\/v2\/posts\/962\/revisions"}],"predecessor-version":[{"id":998,"href":"https:\/\/www.block.tw\/blog\/wp-json\/wp\/v2\/posts\/962\/revisions\/998"}],"wp:attachment":[{"href":"https:\/\/www.block.tw\/blog\/wp-json\/wp\/v2\/media?parent=962"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.block.tw\/blog\/wp-json\/wp\/v2\/categories?post=962"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.block.tw\/blog\/wp-json\/wp\/v2\/tags?post=962"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}