{"id":15531,"date":"2025-09-17T07:30:21","date_gmt":"2025-09-17T07:30:21","guid":{"rendered":"https:\/\/sistc.com\/?p=15531"},"modified":"2025-09-17T07:30:28","modified_gmt":"2025-09-17T07:30:28","slug":"blog-vco-cmos-readout-mems-microphone","status":"publish","type":"post","link":"https:\/\/sistc.com\/zh\/blog-vco-cmos-readout-mems-microphone\/","title":{"rendered":"\u7528\u4e8e MEMS \u9ea6\u514b\u98ce\u7684\u57fa\u4e8e VCO \u7684 CMOS \u8bfb\u51fa\u7535\u8def\uff1a\u5b9e\u73b0\u4f4e\u529f\u8017 \"\u59cb\u7ec8\u5728\u7ebf \"\u5e94\u7528"},"content":{"rendered":"<h2 class=\"wp-block-heading\">\u5bfc\u8a00<\/h2><p>\u5fae\u673a\u7535\u7cfb\u7edf<strong>MEMS \u9ea6\u514b\u98ce<\/strong>)\u5df2\u6210\u4e3a\u4ece\u667a\u80fd\u624b\u673a\u3001\u53ef\u7a7f\u6234\u8bbe\u5907\u5230\u6c7d\u8f66\u548c\u5de5\u4e1a\u7269\u8054\u7f51\u7b49\u73b0\u4ee3\u7535\u5b50\u4ea7\u54c1\u7684\u57fa\u77f3\u3002\u7535\u5bb9\u5f0f MEMS \u4f20\u611f\u5668\u7684\u4f20\u7edf\u8bfb\u51fa\u7535\u8def\u4e3b\u8981\u91c7\u7528\u5f00\u5173\u7535\u5bb9\u5668\u6280\u672f\u5b9e\u73b0\uff0c\u8fd9\u79cd\u6280\u672f\u867d\u7136\u6709\u6548\uff0c\u4f46\u5f80\u5f80\u529f\u8017\u8fc7\u9ad8\uff0c\u65e0\u6cd5\u6ee1\u8db3\u5f53\u4eca\u5e02\u573a\u7684\u9700\u6c42\u3002 <strong>\u6c38\u8fdc\u5728\u7ebf\u7684\u5e94\u7528<\/strong>.<\/p><p>\u6700\u8fd1\u7684\u7814\u7a76\u63d0\u51fa\u4e86\u4e00\u4e2a <strong>\u57fa\u4e8e VCO \u7684 CMOS \u8bfb\u51fa\u7535\u8def<\/strong> \u5b83\u5728\u7075\u654f\u5ea6\u3001\u4f4e\u529f\u8017\u548c\u7d27\u51d1\u8bbe\u8ba1\u4e4b\u95f4\u5b9e\u73b0\u4e86\u6781\u4f73\u7684\u5e73\u8861\u3002\u8fd9\u79cd\u65b0\u65b9\u6cd5\u6807\u5fd7\u7740\u5411\u4f4e\u6210\u672c\u3001\u9ad8\u6027\u80fd\u65b9\u5411\u8fc8\u51fa\u4e86\u91cd\u8981\u4e00\u6b65\u3002 <strong>\u6570\u5b57 MEMS \u9ea6\u514b\u98ce<\/strong>.<\/p><p>\u6709\u5173\u6df1\u5165\u7814\u7a76\uff0c\u8bf7\u53c2\u89c1 <em><a href=\"https:\/\/www.mdpi.com\/1424-8220\/19\/16\/3440\" target=\"_blank\" rel=\"noreferrer noopener\">Quintero\u7b49\u4eba\uff0c2019\uff1a\u57fa\u4e8eVCO\u7684CMOS\u8bfb\u51faMEMS\u9ea6\u514b\u98ce<\/a><\/em>.<\/p><h2 class=\"wp-block-heading\">\u57fa\u4e8e VCO \u7684\u8bfb\u6570\u5668\u5982\u4f55\u5de5\u4f5c<\/h2><p>\u7535\u8def\u5c06\u4e00\u4e2a <strong>\u7535\u5bb9\u5f0f MEMS \u4f20\u611f\u5668<\/strong> \u963b\u6297\u8f6c\u6362\u5668\uff0c\u5b83\u53ef\u4ee5\u8c03\u5236\u4e00\u4e2a <strong>\u53e0\u73af\u538b\u63a7\u632f\u8361\u5668\uff08VCO\uff09<\/strong>.\u632f\u8361\u5668\u5c06\u58f0\u97f3\u4fe1\u53f7\u7f16\u7801\u6210\u4e00\u4e2a <strong>\u9891\u7387\u7f16\u7801\u4fe1\u53f7<\/strong>\u7136\u540e\u7531 <strong>\u65f6\u95f4\u6570\u5b57\u8f6c\u6362\u5668\uff08TDC\uff09<\/strong> \u4f7f\u7528 sigma-delta \u8c03\u5236\u3002<\/p><p>\u8fd9\u79cd\u65f6\u57df\u8bbe\u8ba1\u4e0d\u4ec5\u964d\u4f4e\u4e86\u590d\u6742\u6027\uff0c\u8fd8\u80fd <strong>\u9ad8\u7075\u654f\u5ea6\u548c\u4f4e\u566a\u97f3<\/strong>\u53ef\u7a7f\u6234\u3001\u4fbf\u643a\u548c\u7269\u8054\u7f51\u8bbe\u5907\u7684\u5173\u952e\u8981\u6c42\u3002<\/p><p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6280\u672f\u80cc\u666f\uff0c\u60a8\u53ef\u4ee5\u6d4f\u89c8 <mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\"><em><a href=\"https:\/\/www.mdpi.com\/2072-666X\/12\/1\/36\" target=\"_blank\" rel=\"noreferrer noopener\">\u7535\u5bb9\u5f0f\u4f20\u611f\u5668\u7684\u8bfb\u51fa\u7535\u8def\uff08Yoo \u7b49\u4eba\uff0c2021 \u5e74\uff09<\/a><\/em>,<\/mark> \u5168\u9762\u56de\u987e\u4e86\u7535\u5bb9\u5f0f MEMS \u4f20\u611f\u5668\u63a5\u53e3\u3002<\/p><h2 class=\"wp-block-heading\">\u5173\u952e\u7ee9\u6548\u6307\u6807<\/h2><ul class=\"wp-block-list\"><li><strong>\u8fc7\u7a0b\uff1a<\/strong> 130 \u7eb3\u7c73 CMOS<\/li>\n\n<li><strong>\u7535\u6d41\u6d88\u8017\uff1a<\/strong> 1.8 V \u65f6 750 \u03bcA<\/li>\n\n<li><strong>\u6709\u6548\u533a\u57df\uff1a<\/strong> 0.12 \u5e73\u65b9\u6beb\u7c73<\/li>\n\n<li><strong>SNDR \u5cf0\u503c\uff1a<\/strong> 77.9 dB-A<\/li>\n\n<li><strong>\u52a8\u6001\u8303\u56f4 (DR)\uff1a<\/strong> 100 dB-A<\/li><\/ul><p>\u8fd9\u4e9b\u7ed3\u679c\u8868\u660e <strong>\u4f4e\u529f\u8017\u3001\u59cb\u7ec8\u5728\u7ebf\u7684 MEMS MIC<\/strong> \u8bed\u97f3\u52a9\u624b\u3001\u53ef\u7a7f\u6234\u8bbe\u5907\u548c\u79fb\u52a8\u8bbe\u5907\u3002<\/p><p>\u4e0e\u5176\u4ed6\u57fa\u4e8e\u632f\u8361\u5668\u7684\u65b9\u6cd5\u7684\u6bd4\u8f83\uff0c\u89c1 <em><a href=\"https:\/\/www.mdpi.com\/1424-8220\/24\/4\/1423\" target=\"_blank\" rel=\"noreferrer noopener\">\u7528\u4e8e\u97f3\u9891\u5e94\u7528\u7684 True-VCO ADC\uff08Loi \u7b49\u4eba\uff0c2024 \u5e74\uff09<\/a><\/em>.<\/p><h2 class=\"wp-block-heading\">\u4e3a\u4f55\u5bf9 MEMS MIC \u884c\u4e1a\u81f3\u5173\u91cd\u8981<\/h2><p>\u5728 <strong>\u65e0\u9521\u7845\u6e90\u79d1\u6280\u6709\u9650\u516c\u53f8<\/strong> (<a href=\"https:\/\/sistc.com\/zh\/\">SISTC<\/a>)\uff0c\u6211\u4eec\u4e13\u6ce8\u4e8e\u5f00\u53d1\u548c\u4f9b\u5e94 <strong>\u5fae\u673a\u7535\u7cfb\u7edf\u9ea6\u514b\u98ce\uff08MEMS MIC\uff09<\/strong> \u4e3a\u5168\u7403\u5ba2\u6237\u63d0\u4f9b\u9ad8\u6027\u80fd\u3001\u7a33\u5b9a\u6027\u548c\u53ef\u6269\u5c55\u6027\u3002\u8bfb\u51fa\u7535\u8def\uff08\u5982\u57fa\u4e8e VCO \u7684 ADC\uff09\u7684\u53d1\u5c55\u5bf9\u5b9e\u73b0\u4ee5\u4e0b\u76ee\u6807\u81f3\u5173\u91cd\u8981 <strong>\u65b0\u4e00\u4ee3 MEMS \u9ea6\u514b\u98ce<\/strong> \u7ed3\u5408\u8d77\u6765\uff1a<\/p><ul class=\"wp-block-list\"><li><strong>\u4f4e\u529f\u8017<\/strong> \u7528\u4e8e\u7269\u8054\u7f51\u548c\u53ef\u7a7f\u6234\u8bbe\u5907<\/li>\n\n<li><strong>\u9ad8\u4fe1\u566a\u6bd4 (SNR)<\/strong> \u7528\u4e8e\u4e13\u4e1a\u97f3\u9891<\/li>\n\n<li><strong>\u7d27\u51d1\u578b\u96c6\u6210<\/strong> \u7528\u4e8e\u5c0f\u578b\u6d88\u8d39\u8bbe\u5907<\/li><\/ul><h2 class=\"wp-block-heading\">\u5e94\u7528<\/h2><ul class=\"wp-block-list\"><li><strong>\u667a\u80fd\u624b\u673a\u548c\u5e73\u677f\u7535\u8111<\/strong> - \u5168\u5929\u5019\u8bed\u97f3\u8bc6\u522b<\/li>\n\n<li><strong>\u53ef\u7a7f\u6234\u8bbe\u5907<\/strong> - \u5065\u8eab\u8ffd\u8e2a\u5668\u548c\u667a\u80fd\u624b\u8868<\/li>\n\n<li><strong>\u533b\u7597\u8bbe\u5907<\/strong> - \u4f4e\u566a\u97f3\u542c\u8bca\u5668\u9ea6\u514b\u98ce<\/li>\n\n<li><strong>\u667a\u80fd\u5bb6\u5c45\u8bbe\u5907<\/strong> - \u8bed\u97f3\u52a9\u7406\u4f18\u5316<\/li><\/ul><p>\u7d27\u51d1\u96c6\u6210\u7684\u5b9e\u9645\u6f14\u793a\u53ef\u53c2\u89c1 <em><a href=\"https:\/\/www.mdpi.com\/2079-9292\/12\/15\/3161\" target=\"_blank\" rel=\"noreferrer noopener\">Li \u7b49\u4eba\uff0c2023 \u5e74\uff1a\u7d27\u51d1\u578b MEMS \u9ea6\u514b\u98ce\u6570\u5b57\u8bfb\u51fa\u7cfb\u7edf<\/a><\/em>.<\/p><h2 class=\"wp-block-heading\">\u7ed3\u8bba<\/h2><p>SISTC\u7684 <strong>\u57fa\u4e8e VCO \u7684 CMOS \u8bfb\u51fa\u7535\u8def<\/strong> \u5b83\u4ee3\u8868\u4e86 MEMS \u9ea6\u514b\u98ce\u8bbe\u8ba1\u7684\u4e00\u4e2a\u6709\u524d\u9014\u7684\u65b9\u5411\uff0c\u517c\u987e\u4e86\u4f4e\u529f\u8017\u548c\u9ad8\u4fdd\u771f\u3002\u968f\u7740 MEMS \u6280\u672f\u7684\u4e0d\u65ad\u8fdb\u6b65\uff0c\u7c7b\u4f3c\u8fd9\u6837\u7684\u521b\u65b0\u5c06\u4e3a\u4ee5\u4e0b\u9886\u57df\u94fa\u5e73\u9053\u8def <strong>\u66f4\u667a\u80fd\u3001\u66f4\u8282\u80fd\u7684\u97f3\u9891\u7cfb\u7edf<\/strong> \u6a2a\u8de8\u6d88\u8d39\u3001\u533b\u7597\u548c\u5de5\u4e1a\u9886\u57df\u3002<\/p><p>\u5728 <strong>SISTC<\/strong>\u6211\u4eec\u5c06\u7ee7\u7eed\u81f4\u529b\u4e8e\u63a8\u52a8 MEMS MIC \u521b\u65b0\uff0c\u4e3a\u5168\u7403\u5ba2\u6237\u63d0\u4f9b\u9ad8\u54c1\u8d28\u7684\u58f0\u5b66\u89e3\u51b3\u65b9\u6848\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>\u5bfc\u8a00 \u5fae\u673a\u7535\u7cfb\u7edf\uff08MEMS \u9ea6\u514b\u98ce\uff09\u5df2\u6210\u4e3a\u73b0\u4ee3\u7535\u5b50\u4ea7\u54c1\u7684\u57fa\u77f3\uff0c\u4ece\u667a\u80fd\u624b\u673a\u548c\u53ef\u7a7f\u6234\u8bbe\u5907\u5230\u6c7d\u8f66\u548c\u5de5\u4e1a\u7269\u8054\u7f51\uff0c\u65e0\u4e0d\u5982\u6b64\u3002\u7535\u5bb9\u5f0f MEMS \u4f20\u611f\u5668\u7684\u4f20\u7edf\u8bfb\u51fa\u7535\u8def\u4e3b\u8981 [...]<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","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":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"_joinchat":[],"footnotes":""},"categories":[42,1],"tags":[],"class_list":["post-15531","post","type-post","status-publish","format-standard","hentry","category-industry-news","category-company-news"],"aioseo_notices":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>VCO-Based CMOS Readout Circuit for MEMS Microphones: Enabling Low-Power Always-On Applications - SILICON SOURCE<\/title>\n<meta name=\"description\" content=\"Discover a novel VCO-based CMOS readout circuit for capacitive MEMS microphones. 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