{"id":1002,"date":"2020-06-30T14:31:20","date_gmt":"2020-06-30T06:31:20","guid":{"rendered":"https:\/\/www.block.tw\/blog\/?p=1002"},"modified":"2020-07-27T18:16:08","modified_gmt":"2020-07-27T10:16:08","slug":"555piano","status":"publish","type":"post","link":"https:\/\/www.block.tw\/blog\/555piano\/","title":{"rendered":"555 \u96fb\u5b50\u7434"},"content":{"rendered":"\n
\"\"\/
\u96fb\u8def\u5716<\/figcaption><\/figure><\/div>\n\n\n\n

\u8a2d\u5099\uff1a<\/strong>
1.\u793a\u6ce2\u5668 \u00d7 1
2.\u4e09\u7528\u96fb\u8868 \u00d7 1
3.\u96fb\u6e90\u4f9b\u61c9\u5668 \u00d7 1
4.\u9eb5\u5305\u677f \u00d7 1<\/p>\n\n\n\n

\u6750\u6599\uff1a<\/strong>
1.555 IC \u00d7 1
2.\u6309\u9215\u958b\u95dc \u00d7 7
3.\u9676\u74f7\u96fb\u5bb9 332 \u00d7 2
4.\u96fb\u6676\u9ad4 2SA1015 \u00d7 1
5.\u5587\u53ed 8\u03a9 \u00d7 1
6.\u96fb\u963b 10M\u03a9 \u00d7 1
7.\u96fb\u963b 420k\u03a9 \u00d7 1
8.\u96fb\u963b 90k\u03a9 \u00d7 1
9.\u96fb\u963b 80k\u03a9 \u00d7 1
10.\u96fb\u963b 68k\u03a9 \u00d7 1
11.\u96fb\u963b 60k\u03a9 \u00d7 1
12.\u96fb\u963b 54k\u03a9 \u00d7 1
13.\u96fb\u963b 36k\u03a9 \u00d7 1
14.\u96fb\u963b 18k\u03a9 \u00d7 1
15.\u96fb\u963b 1k\u03a9 \u00d7 1<\/p>\n\n\n\n

\u6b64\u96fb\u5b50\u7434\u96fb\u8def\u70ba\u53e6\u4e00\u7a2e\u4e0d\u7d93\u904e (7)\u8173\u653e\u96fb\u7684 555\u7121\u7a69\u614b\u632f\u76ea\u96fb\u8def\uff0c\u900f\u904e 555 \u8f38\u51fa\u8173 (3)\uff0c\u9032\u884c\u5145\u653e\u96fb\u3002\u9001\u96fb\u6642\uff0c\u96fb\u5bb9\u96fb\u58d3\u70ba 0V\uff0c\u56e0\u6b64 555 \u7684\u7b2c 2\u8173\u96fb\u4f4d\u4f4e\u65bc 1\/3 Vcc\uff0c\u8f38\u51fa 555 \u8f38\u51fa\u8173 (3)\u9ad8\u96fb\u4f4d\uff0c\u900f\u904e \u96fb\u963b R \u5c0d \u96fb\u5bb9 C \u5145\u96fb\uff0c\u7576\u5145\u96fb\u96fb\u58d3\u9054 2\/3 Vcc \u6642\uff0c555 \u8f38\u51fa\u8173 (3) \u8b8a\u4f4e\u96fb\u58d3\u3002\u96fb\u5bb9 C \u7d93\u904e \u96fb\u963b R \u5c0d 555 \u8f38\u51fa\u8173 (3) \u653e\u96fb\u3002\u56e0\u70ba\u5145\u96fb\u8207\u653e\u96fb\u8ff4\u8def\u76f8\u540c\uff0c\u6240\u4ee5
TH<\/sub> = TL<\/sub> = 0.693\u00d7R\u00d7C \u2252 0.7\u00d7R\u00d7C
T = TH<\/sub> + TL<\/sub> = 1.4\u00d7R\u00d7C<\/p>\n\n\n\n

\"\"\/
\u5145\u653e\u96fb\u8ff4\u8def<\/figcaption><\/figure><\/div>\n\n\n\n
\"\"\/
\u8f38\u51fa\u6ce2\u5f62<\/figcaption><\/figure><\/div>\n\n\n\n
\u97f3\u968e<\/td>1<\/td>2<\/td>3<\/td>4<\/td>5<\/td>6<\/td>7<\/td><\/tr>
\u983b\u7387<\/td>262Hz<\/td>294Hz<\/td>330Hz<\/td>349Hz<\/td>392Hz<\/td>440Hz<\/td>494Hz<\/td><\/tr>
\u96fb\u963b<\/td>826k<\/td>736k<\/td>656k<\/td>620k<\/td>552k<\/td>492k<\/td>438k<\/td><\/tr>
\u5dee\u984d\u96fb\u963b <\/td>90k<\/td>80k<\/td>36k<\/td>68k<\/td>60k<\/td>54k<\/td>438k<\/td><\/tr><\/tbody><\/table>
\u96fb\u963b\u8207555\u632f\u76ea\u983b\u7387\u95dc\u4fc2 (C=332)<\/figcaption><\/figure>\n\n\n\n

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

\u8a2d\u5099\uff1a1.\u793a\u6ce2\u5668 \u00d7 12.\u4e09\u7528\u96fb\u8868 \u00d7 13.\u96fb\u6e90\u4f9b\u61c9\u5668 \u00d7 14.\u9eb5\u5305\u677f \u00d7 1 \u6750\u6599\uff1a1.555 IC …
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":[39,40],"class_list":["post-1002","post","type-post","status-publish","format-standard","hentry","category-electronic","tag-39","tag-40"],"gutentor_comment":0,"featured_image_urls":{"full":"","thumbnail":"","medium":"","medium_large":"","large":"","1536x1536":"","2048x2048":"","post-thumbnail":"","mesmerize-full-hd":""},"post_excerpt_stackable":"

\u96fb\u8def\u5716 \u8a2d\u5099\uff1a1.\u793a\u6ce2\u5668 \u00d7 12.\u4e09\u7528\u96fb\u8868 \u00d7 13.\u96fb\u6e90\u4f9b\u61c9\u5668 \u00d7 14.\u9eb5\u5305\u677f \u00d7 1 \u6750\u6599\uff1a1.555 IC \u00d7 12.\u6309\u9215\u958b\u95dc \u00d7 73.\u9676\u74f7\u96fb\u5bb9 332 \u00d7 24.\u96fb\u6676\u9ad4 2SA1015 …<\/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":"

\u96fb\u8def\u5716 \u8a2d\u5099\uff1a1.\u793a\u6ce2\u5668 \u00d7 12.\u4e09\u7528\u96fb\u8868 \u00d7 13.\u96fb\u6e90\u4f9b\u61c9\u5668 \u00d7 14.\u9eb5\u5305\u677f \u00d7 1 \u6750\u6599\uff1a1.555 IC \u00d7 12.\u6309\u9215\u958b\u95dc \u00d7 73.\u9676\u74f7\u96fb\u5bb9 332 \u00d7 24.\u96fb\u6676\u9ad4 2SA1015 …<\/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\/1002","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=1002"}],"version-history":[{"count":20,"href":"https:\/\/www.block.tw\/blog\/wp-json\/wp\/v2\/posts\/1002\/revisions"}],"predecessor-version":[{"id":1032,"href":"https:\/\/www.block.tw\/blog\/wp-json\/wp\/v2\/posts\/1002\/revisions\/1032"}],"wp:attachment":[{"href":"https:\/\/www.block.tw\/blog\/wp-json\/wp\/v2\/media?parent=1002"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.block.tw\/blog\/wp-json\/wp\/v2\/categories?post=1002"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.block.tw\/blog\/wp-json\/wp\/v2\/tags?post=1002"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}