{"id":3816,"date":"2023-06-17T16:32:14","date_gmt":"2023-06-17T08:32:14","guid":{"rendered":"\/\/www.viralrail.com\/?p=3816"},"modified":"2023-06-17T16:32:17","modified_gmt":"2023-06-17T08:32:17","slug":"ysfdqjbgstdgc","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/3816.html","title":{"rendered":"\u8fd0\u7b97\u653e\u5927\u5668\u57fa\u672c\u516c\u5f0f\u63a8\u5bfc\u8fc7\u7a0b"},"content":{"rendered":"\n
\u3000\u3000\u8fd0\u7b97\u653e\u5927\u5668(Operational Amplifier\uff0c\u7b80\u79f0Op-Amp)\u662f\u4e00\u79cd\u91cd\u8981\u7684\u7535\u5b50\u5143\u4ef6\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u7535\u8def\u8bbe\u8ba1\u548c\u4fe1\u53f7\u5904\u7406\u4e2d\u3002\u5b83\u53ef\u4ee5\u653e\u5927\u8f93\u5165\u4fe1\u53f7\uff0c\u5e76\u5c06\u5176\u8f6c\u6362\u4e3a\u8f93\u51fa\u4fe1\u53f7\uff0c\u540c\u65f6\u8fd8\u53ef\u4ee5\u5b9e\u73b0\u4e00\u7cfb\u5217\u6570\u5b66\u8fd0\u7b97\uff0c\u5982\u52a0\u6cd5\u3001\u51cf\u6cd5\u3001\u4e58\u6cd5\u548c\u79ef\u5206\u7b49\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd0\u7b97\u653e\u5927\u5668\u7684\u57fa\u672c\u516c\u5f0f\u63a8\u5bfc\u8fc7\u7a0b\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fd0\u7b97\u653e\u5927\u5668\u662f\u7531\u4e00\u4e2a\u5dee\u5206\u653e\u5927\u5668\u548c\u4e00\u4e2a\u8f93\u51fa\u7ea7\u7ec4\u6210\u7684\u3002\u5dee\u5206\u653e\u5927\u5668\u7531\u4e24\u4e2a\u8f93\u5165\u7aef\u53e3\u548c\u4e00\u4e2a\u5171\u6a21\u8f93\u5165\u7aef\u53e3\u7ec4\u6210\uff0c\u8f93\u51fa\u7ea7\u7531\u4e00\u4e2a\u7535\u538b\u8ddf\u968f\u5668\u548c\u4e00\u4e2a\u8f93\u51fa\u7aef\u53e3\u7ec4\u6210\u3002\u8fd0\u7b97\u653e\u5927\u5668\u7684\u8f93\u51fa\u7535\u538bVout\u53ef\u4ee5\u8868\u793a\u4e3a\uff1a<\/p>\n\n\n\n
\u3000\u3000Vout = Aol(V+ – V-)<\/strong><\/p>\n\n\n\n \u3000\u3000\u5176\u4e2d\uff0cAol\u79f0\u4e3a\u8fd0\u7b97\u653e\u5927\u5668\u7684\u5f00\u73af\u589e\u76ca\uff0cV+\u548cV-\u5206\u522b\u4e3a\u8f93\u5165\u7aef\u53e3\u7684\u6b63\u3001\u8d1f\u8f93\u5165\u7535\u538b\u3002<\/p>\n\n\n\n \u3000\u3000\u8fd0\u7b97\u653e\u5927\u5668\u7684\u5f00\u73af\u589e\u76caAol\u662f\u6307\u5728\u6ca1\u6709\u4efb\u4f55\u53cd\u9988\u7684\u60c5\u51b5\u4e0b\uff0c\u8f93\u51fa\u7535\u538b\u4e0e\u8f93\u5165\u7535\u538b\u4e4b\u95f4\u7684\u6bd4\u503c\u3002\u5728\u7406\u60f3\u60c5\u51b5\u4e0b\uff0c\u5f00\u73af\u589e\u76ca\u53ef\u4ee5\u65e0\u9650\u5927\uff0c\u4f46\u5b9e\u9645\u4e0a\u7531\u4e8e\u5b9e\u9645\u7535\u8def\u7684\u9650\u5236\uff0c\u5f00\u73af\u589e\u76ca\u6709\u4e00\u4e2a\u6709\u9650\u7684\u6700\u5927\u503c\u3002\u5f00\u73af\u589e\u76ca\u53ef\u4ee5\u8868\u793a\u4e3a\uff1a<\/p>\n\n\n\n \u3000\u3000Aol = Vout \/ (V+ – V-)<\/strong><\/p>\n\n\n\n \u3000\u3000\u53cd\u9988\u7535\u963b\u662f\u6307\u5c06\u4e00\u90e8\u5206\u8f93\u51fa\u4fe1\u53f7\u53cd\u9988\u5230\u8f93\u5165\u7aef\u53e3\uff0c\u4ee5\u6539\u53d8\u7535\u8def\u7684\u589e\u76ca\u6216\u6027\u80fd\u7684\u7535\u963b\u3002\u5728\u8fd0\u7b97\u653e\u5927\u5668\u4e2d\uff0c\u53cd\u9988\u7535\u963b\u5206\u4e3a\u6b63\u53cd\u9988\u548c\u8d1f\u53cd\u9988\u4e24\u79cd\u3002\u8d1f\u53cd\u9988\u662f\u6307\u5c06\u4e00\u90e8\u5206\u8f93\u51fa\u4fe1\u53f7\u53cd\u9988\u5230\u8d1f\u8f93\u5165\u7aef\u53e3\uff0c\u4ee5\u51cf\u5c0f\u7535\u8def\u7684\u589e\u76ca\u3002\u6b63\u53cd\u9988\u662f\u6307\u5c06\u4e00\u90e8\u5206\u8f93\u51fa\u4fe1\u53f7\u53cd\u9988\u5230\u6b63\u8f93\u5165\u7aef\u53e3\uff0c\u4ee5\u589e\u5927\u7535\u8def\u7684\u589e\u76ca\u3002<\/p>\n\n\n\n \u3000\u3000\u53cd\u9988\u7535\u538b\u662f\u6307\u53cd\u9988\u7535\u963b\u5f62\u6210\u7684\u7535\u538b\u3002\u5728\u8d1f\u53cd\u9988\u4e2d\uff0c\u53cd\u9988\u7535\u538b\u53ef\u4ee5\u8868\u793a\u4e3a\uff1a<\/p>\n\n\n\n \u3000\u3000Vf = \u03b2 x Vout<\/strong><\/p>\n\n\n\n \u3000\u3000\u5176\u4e2d\uff0c\u03b2\u79f0\u4e3a\u53cd\u9988\u7cfb\u6570\uff0c\u8868\u793a\u53cd\u9988\u7535\u538b\u4e0e\u8f93\u51fa\u7535\u538b\u4e4b\u95f4\u7684\u6bd4\u4f8b\u5173\u7cfb\u3002<\/p>\n\n\n\n \u3000\u3000\u95ed\u73af\u589e\u76ca\u662f\u6307\u5728\u53cd\u9988\u7535\u8def\u4e2d\uff0c\u8f93\u51fa\u7535\u538b\u4e0e\u8f93\u5165\u7535\u538b\u4e4b\u95f4\u7684\u6bd4\u503c\u3002\u95ed\u73af\u589e\u76ca\u53ef\u4ee5\u8868\u793a\u4e3a\uff1a<\/p>\n\n\n\n \u3000\u3000Av = Vout \/ Vin = Aol \/ (1 + \u03b2 x Aol)<\/strong><\/p>\n\n\n\n \u3000\u3000\u5176\u4e2d\uff0cVin\u8868\u793a\u8f93\u5165\u7535\u538b\u3002<\/p>\n\n\n\n \u3000\u3000\u8fd0\u7b97\u653e\u5927\u5668\u5e7f\u6cdb\u5e94\u7528\u4e8e\u7535\u8def\u8bbe\u8ba1\u548c\u4fe1\u53f7\u5904\u7406\u4e2d\uff0c\u5982\u6ee4\u6ce2\u5668\u3001\u6bd4\u8f83\u5668\u3001\u632f\u8361\u5668\u3001\u79ef\u5206\u5668\u3001\u5fae\u5206\u5668\u7b49\u3002\u5176\u4e2d\uff0c\u79ef\u5206\u5668\u548c\u5fae\u5206\u5668\u662f\u8fd0\u7b97\u653e\u5927\u5668\u7684\u4e24\u4e2a\u91cd\u8981\u5e94\u7528\u3002<\/p>\n\n\n\n \u3000\u3000\u79ef\u5206\u5668\u662f\u4e00\u79cd\u5c06\u8f93\u5165\u4fe1\u53f7\u79ef\u5206\u540e\u8f93\u51fa\u7684\u7535\u8def\u3002\u5b83\u53ef\u4ee5\u5c06\u8f93\u5165\u7684\u77ac\u65f6\u4fe1\u53f7\u8f6c\u6362\u4e3a\u8f93\u51fa\u7684\u6301\u7eed\u4fe1\u53f7\u3002\u79ef\u5206\u5668\u7684\u7535\u8def\u56fe\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n\n\n\n \u3000\u3000\u5176\u4e2d\uff0cR\u548cC\u5206\u522b\u4e3a\u7535\u963b\u548c\u7535\u5bb9\u3002\u79ef\u5206\u5668\u7684\u8f93\u5165\u7535\u538b\u4e3aVin\uff0c\u8f93\u51fa\u7535\u538b\u4e3aVout\u3002\u79ef\u5206\u5668\u7684\u8f93\u51fa\u7535\u538b\u53ef\u4ee5\u8868\u793a\u4e3a\uff1a<\/p>\n\n\n\n \u3000\u3000Vout = – (1 \/ RC) x \u222bVin dt<\/strong><\/p>\n\n\n\n \u3000\u3000\u5fae\u5206\u5668\u662f\u4e00\u79cd\u5c06\u8f93\u5165\u4fe1\u53f7\u5fae\u5206\u540e\u8f93\u51fa\u7684\u7535\u8def\u3002\u5b83\u53ef\u4ee5\u5c06\u8f93\u5165\u7684\u6301\u7eed\u4fe1\u53f7\u8f6c\u6362\u4e3a\u8f93\u51fa\u7684\u77ac\u65f6\u4fe1\u53f7\u3002\u5fae\u5206\u5668\u7684\u7535\u8def\u56fe\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n\n\n\n \u3000\u3000\u5176\u4e2d\uff0cR\u548cC\u5206\u522b\u4e3a\u7535\u963b\u548c\u7535\u5bb9\u3002\u5fae\u5206\u5668\u7684\u8f93\u5165\u7535\u538b\u4e3aVin\uff0c\u8f93\u51fa\u7535\u538b\u4e3aVout\u3002\u5fae\u5206\u5668\u7684\u8f93\u51fa\u7535\u538b\u53ef\u4ee5\u8868\u793a\u4e3a\uff1a<\/p>\n\n\n\n \u3000\u3000Vout = – RC x dVin \/ dt<\/strong><\/p>\n\n\n\n \u3000\u3000\u672c\u6587\u8be6\u7ec6\u4ecb\u7ecd\u4e86\u8fd0\u7b97\u653e\u5927\u5668\u7684\u57fa\u672c\u516c\u5f0f\u63a8\u5bfc\u8fc7\u7a0b\u3002\u8fd0\u7b97\u653e\u5927\u5668\u662f\u4e00\u79cd\u91cd\u8981\u7684\u7535\u5b50\u5143\u4ef6\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u7535\u8def\u8bbe\u8ba1\u548c\u4fe1\u53f7\u5904\u7406\u4e2d\u3002\u901a\u8fc7\u5b66\u4e60\u672c\u6587\u4e2d\u7684\u5185\u5bb9\uff0c\u8bfb\u8005\u53ef\u4ee5\u66f4\u597d\u5730\u7406\u89e3\u8fd0\u7b97\u653e\u5927\u5668\u7684\u5de5\u4f5c\u539f\u7406\u548c\u5e94\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":" \u8fd0\u7b97\u653e\u5927\u5668(Operational Amplifier\uff0c\u7b80\u79f0Op-Amp)\u662f\u4e00\u79cd\u91cd\u8981\u7684\u7535\u5b50\u5143\u4ef6\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u7535\u8def\u8bbe\u8ba1\u548c\u4fe1\u53f7\u5904\u7406\u4e2d\u3002\u5b83\u53ef\u4ee5\u653e\u5927\u8f93\u5165\u4fe1\u53f7\uff0c\u5e76\u5c06\u5176\u8f6c\u6362\u4e3a\u8f93\u51fa\u4fe1\u53f7\uff0c\u540c\u65f6\u8fd8\u53ef\u4ee5\u5b9e\u73b0\u4e00\u7cfb\u5217\u6570\u5b66\u8fd0\u7b97\uff0c\u5982\u52a0\u6cd5\u3001\u51cf\u6cd5\u3001\u4e58\u6cd5\u548c\u79ef\u5206\u7b49\u3002<\/p>\n","protected":false},"author":1,"featured_media":3671,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"categories":[36],"tags":[52],"class_list":["post-3816","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-wxtx"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/3816"}],"collection":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/comments?post=3816"}],"version-history":[{"count":0,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/3816\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/3671"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=3816"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=3816"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=3816"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}\u3000\u3000\u4e8c\u3001\u8fd0\u7b97\u653e\u5927\u5668\u7684\u57fa\u672c\u516c\u5f0f<\/h2>\n\n\n\n
\u3000\u30001. \u5f00\u73af\u589e\u76ca<\/h3>\n\n\n\n
\u3000\u30002. \u53cd\u9988\u7535\u963b<\/h3>\n\n\n\n
\u3000\u30003. \u53cd\u9988\u7535\u538b<\/h3>\n\n\n\n
\u3000\u30004. \u95ed\u73af\u589e\u76ca<\/h3>\n\n\n\n
\u3000\u3000\u4e09\u3001\u8fd0\u7b97\u653e\u5927\u5668\u7684\u5e94\u7528<\/h2>\n\n\n\n
\u3000\u30001. \u79ef\u5206\u5668<\/h3>\n\n\n\n
\u3000\u30002. \u5fae\u5206\u5668<\/h3>\n\n\n\n
\u3000\u3000\u56db\u3001\u603b\u7ed3<\/h2>\n\n\n\n