{"id":15330,"date":"2025-06-08T12:03:47","date_gmt":"2025-06-08T12:03:47","guid":{"rendered":"https:\/\/sistc.com\/?p=15330"},"modified":"2025-06-08T12:03:48","modified_gmt":"2025-06-08T12:03:48","slug":"news-differential-mems-microphone-snr-polysilicon","status":"publish","type":"post","link":"https:\/\/sistc.com\/zh\/news-differential-mems-microphone-snr-polysilicon\/","title":{"rendered":"\u5229\u7528\u53cc\u591a\u6676\u7845\u5dee\u5206\u8bbe\u8ba1\u63d0\u9ad8 MEMS \u9ea6\u514b\u98ce\u4fe1\u566a\u6bd4"},"content":{"rendered":"<p class=\"wp-block-paragraph\">\u5728\u8ffd\u6c42 <strong>\u9ad8\u4fdd\u771f\u8bed\u97f3\u548c\u58f0\u5b66\u4f20\u611f<\/strong>MEMS \u9ea6\u514b\u98ce\u8bbe\u8ba1\u4eba\u5458\u4e0d\u65ad\u6311\u6218\u6781\u9650\uff0c\u4ee5\u6ee1\u8db3\u5ba2\u6237\u7684\u9700\u6c42\u3002 <strong>\u7075\u654f\u5ea6\u3001\u5e26\u5bbd<\/strong>\u7279\u522b\u662f <strong>\u4fe1\u566a\u6bd4\uff08SNR\uff09<\/strong>.\u5728\u63d0\u9ad8\u4fe1\u566a\u6bd4\u7684\u540c\u65f6\u4fdd\u6301\u7d27\u51d1\u7684\u5360\u5730\u9762\u79ef\u662f\u6700\u6709\u6548\u7684\u6280\u672f\u4e4b\u4e00\u3002 <strong>\u5dee\u5206\u7535\u5bb9\u5f0f\u8bbe\u8ba1<\/strong>\u7279\u522b\u662f\u4f7f\u7528 <strong>\u53cc\u591a\u6676\u7845\u5fae\u7ec6\u52a0\u5de5\u5e73\u53f0<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u8fd1\u7684\u4e00\u9879\u7814\u7a76\u5c55\u793a\u4e86 <strong>\u5dee\u5206 MEMS \u9ea6\u514b\u98ce\u7684\u8bbe\u8ba1\u4e0e\u5b9e\u73b0<\/strong> \u5b83\u91c7\u7528\u6c9f\u69fd\u586b\u5145 MOSBE \u5de5\u827a\uff0c\u4ec5\u5229\u7528\u4e24\u5c42\u591a\u6676\u7845\u7ed3\u6784\u5c42\u5c31\u5b9e\u73b0\u4e86\u4ee4\u4eba\u5370\u8c61\u6df1\u523b\u7684\u58f0\u5b66\u6027\u80fd\u6307\u6807\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5dee\u5206\u5f0f MEMS \u9ea6\u514b\u98ce\u7684\u4f18\u52bf\u662f\u4ec0\u4e48\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0e\u4f20\u7edf\u7684\u5355\u7aef\u8bbe\u8ba1\u4e0d\u540c\u3001 <strong>\u5dee\u5206 MEMS \u9ea6\u514b\u98ce<\/strong> \u4f7f\u7528\u6210\u5bf9\u7684\u7535\u6781\u6765\u6d88\u9664\u5171\u6a21\u566a\u58f0\u548c\u73af\u5883\u5e72\u6270\u3002\u5176\u7ed3\u679c\u662f<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6539\u8fdb <strong>\u7075\u654f\u5ea6\u548c\u4fe1\u566a\u6bd4<\/strong><\/li>\n\n\n\n<li>\u66f4\u5f3a\u7684\u62b5\u6297\u529b <strong>\u673a\u68b0\u6216\u7535\u6c14\u566a\u97f3<\/strong><\/li>\n\n\n\n<li>\u589e\u5f3a\u578b <strong>\u8bed\u97f3\u8bc6\u522b\u7cfb\u7edf\u548c\u97f3\u9891\u91c7\u96c6\u7684\u6e05\u6670\u5ea6<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u62a5\u544a\u7684\u8bbe\u8ba1\u5de7\u5999\u5730\u6574\u5408\u4e86 <strong>\u4e0a\u4e0b\u9694\u819c<\/strong> \u4e0e <strong>\u76f8\u5e94\u80cc\u677f<\/strong>\u5f62\u6210\u4e24\u4e2a\u4e0d\u540c\u7684\u7535\u5bb9\u4f20\u611f\u7535\u6781\u5bf9\u3002\u7535\u5206\u79bb\u662f\u901a\u8fc7\u4e00\u4e2a <strong>\u7845\u9694\u79bb\u5c42<\/strong>\u5141\u8bb8 <strong>\u771f\u5dee\u5206\u8bfb\u6570<\/strong> \u5c06\u590d\u6742\u6027\u964d\u5230\u6700\u4f4e\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"570\" height=\"294\" src=\"https:\/\/sistc.com\/wp-content\/uploads\/2025\/06\/1749383965283.png\" alt=\"\" class=\"wp-image-15331\" style=\"width:414px;height:auto\" srcset=\"https:\/\/sistc.com\/wp-content\/uploads\/2025\/06\/1749383965283.png 570w, https:\/\/sistc.com\/wp-content\/uploads\/2025\/06\/1749383965283-300x155.png 300w, https:\/\/sistc.com\/wp-content\/uploads\/2025\/06\/1749383965283-18x9.png 18w\" sizes=\"(max-width: 570px) 100vw, 570px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u6027\u80fd\u4eae\u70b9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udccc \u5236\u4f5c\u9ea6\u514b\u98ce\u7684\u4e3b\u8981\u89c4\u683c\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5dee\u5206\u7075\u654f\u5ea6<\/strong>:-40.5 dB\uff08\u76f8\u5bf9\u4e8e\uff1a1 V\/1 Pa\uff09<\/li>\n\n\n\n<li><strong>\u5355\u7aef\u7075\u654f\u5ea6<\/strong>:~-46 dB<\/li>\n\n\n\n<li><strong>\u4fe1\u566a\u6bd4 (SNR)<\/strong>:\u5b8c\u6bd5 <strong>57.8 \u5206\u8d1d<\/strong><\/li>\n\n\n\n<li><strong>\u5e26\u5bbd<\/strong>:50 Hz - 22 kHz\uff08\u00b13 dB\uff09<\/li>\n\n\n\n<li><strong>\u8db3\u8ff9<\/strong>\u76f4\u5f84\uff1a 800 \u5fae\u7c73<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e9b\u7279\u70b9\u4f7f\u9ea6\u514b\u98ce\u975e\u5e38\u9002\u5408\u4e8e\u4ee5\u4e0b\u7528\u9014<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u58f0\u63a7\u52a9\u624b<\/li>\n\n\n\n<li>\u667a\u80fd\u626c\u58f0\u5668\u548c\u8033\u585e<\/li>\n\n\n\n<li>\u5f55\u97f3\u5ba4\u54c1\u8d28\u7684\u4fbf\u643a\u5f0f\u97f3\u9891\u8bbe\u5907<\/li>\n\n\n\n<li>\u52a9\u542c\u5668\u548c\u8f85\u52a9\u542c\u529b\u7cfb\u7edf<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\ud83c\udfa7 \u60f3\u4e86\u89e3\u9488\u5bf9\u9ad8\u4fe1\u566a\u6bd4\u548c\u7d27\u51d1\u5916\u5f62\u8fdb\u884c\u4e86\u4f18\u5316\u7684 MEMS \u9ea6\u514b\u98ce\uff1f<br>\u6d4f\u89c8\u6211\u4eec\u7684 <a class=\"\" href=\"https:\/\/sistc.com\/zh\/product-category\/mems-microphone\/\">MEMS \u9ea6\u514b\u98ce\u4ea7\u54c1\u76ee\u5f55<\/a><\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\">\u5236\u9020\u65b9\u6cd5\uff1a\u4e24\u5c42\u591a\u6676\u7845\uff0c\u4e00\u79cd\u667a\u80fd\u8bbe\u8ba1<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u8bbe\u8ba1\u91c7\u7528 <strong>\u6c9f\u69fd\u56de\u586b\u5f0f MOSBE \u5de5\u827a<\/strong> \u5176\u4e2d\u5305\u62ec<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e24\u4e2a <strong>\u591a\u6676\u7845\u7ed3\u6784\u5c42<\/strong><\/li>\n\n\n\n<li>\u4e24\u4e2a <strong>\u727a\u7272\u7684 SiO\u2082 \u5c42<\/strong><\/li>\n\n\n\n<li>\u4e00\u4e2a <strong>\u7535\u6c14\u9694\u79bb\u5c42<\/strong> (Si\u2083N\u2084)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u521b\u65b0\u7684\u673a\u68b0\u529f\u80fd\uff0c\u5982 <strong>U \u578b\u5f39\u7c27<\/strong> \u4e0e <strong>\u4e2d\u592e\u804c\u4f4d<\/strong> \u5305\u62ec\u786e\u4fdd\u819c\u7247\u7a33\u5b9a\u6027\u3001\u51cf\u5c11\u7ed3\u6784\u5e94\u529b\u548c\u4fdd\u6301\u5747\u5300\u632f\u52a8 - \u6240\u6709\u8fd9\u4e9b\u90fd\u6709\u52a9\u4e8e\u5b9e\u73b0\u5353\u8d8a\u7684\u4fe1\u566a\u6bd4\u6027\u80fd\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e3a\u4ec0\u4e48\u8fd9\u5f88\u91cd\u8981<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">MEMS \u9ea6\u514b\u98ce\u8d8a\u6765\u8d8a\u591a\u5730\u5e94\u7528\u4e8e\u4ee5\u4e0b\u9886\u57df <strong>\u652f\u6301\u4eba\u5de5\u667a\u80fd<\/strong>, <strong>\u7535\u6c60\u4f9b\u7535<\/strong> \u7cfb\u7edf\uff0c\u5176\u4e2d <strong>\u6297\u566a\u6027\u3001\u6e05\u6670\u5ea6<\/strong>\u4ee5\u53ca <strong>\u529f\u7387\u6548\u7387<\/strong> \u8fd9\u4e00\u70b9\u81f3\u5173\u91cd\u8981\u3002\u5dee\u5206\u67b6\u6784\u63d0\u4f9b\u4e86\u4e00\u6761\u53ef\u6269\u5c55\u7684\u9014\u5f84\uff0c\u53ef\u5728\u4e0d\u5927\u5e45\u589e\u52a0\u6210\u672c\u6216\u590d\u6742\u6027\u7684\u60c5\u51b5\u4e0b\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u76f8\u5173\u7814\u7a76\u548c\u5916\u90e8\u53c2\u8003\u8d44\u6599\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a class=\"\" href=\"https:\/\/ieeexplore.ieee.org\/document\/7493561\" target=\"_blank\" rel=\"noopener\">IEEE\uff1a\u7535\u5bb9\u5f0f MEMS \u9ea6\u514b\u98ce\u7684\u8bbe\u8ba1\u6280\u672f<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.analog.com\/en\/analog-dialogue\/articles\/snr-microphone-systems.html\" target=\"_blank\" rel=\"noopener\">\u4e86\u89e3\u97f3\u9891 MEMS \u7684\u4fe1\u566a\u6bd4 - Analog Devices<\/a><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u7ed3\u8bba<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u79cd\u5dee\u5206\u5fae\u673a\u7535\u7cfb\u7edf\u9ea6\u514b\u98ce\u8bbe\u8ba1\u91c7\u7528\u4e86 <strong>\u53cc\u5c42\u591a\u6676\u7845\u5de5\u827a<\/strong>\u5b83\u5c06\u4ee5\u4e0b\u529f\u80fd\u5f3a\u5927\u5730\u7ed3\u5408\u5728\u4e00\u8d77 <strong>\u9ad8\u7075\u654f\u5ea6\u3001\u5bbd\u5e26\u5bbd<\/strong>\u4ee5\u53ca <strong>\u51fa\u8272\u7684\u6297\u566a\u80fd\u529b<\/strong>.\u8fd9\u4e9b\u6539\u8fdb\u4f7f\u5236\u9020\u5546\u80fd\u591f\u6ee1\u8db3\u65e5\u76ca\u589e\u957f\u7684\u9700\u6c42\uff0c\u5305\u62ec <strong>\u4f4e\u529f\u8017\u3001\u9ad8\u4fdd\u771f MEMS \u97f3\u9891\u89e3\u51b3\u65b9\u6848<\/strong> \u5728\u5f53\u4eca\u7684\u667a\u80fd\u548c\u79fb\u52a8\u7535\u5b50\u4ea7\u54c1\u9886\u57df\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udca1 \u8fdb\u4e00\u6b65\u4e86\u89e3 SISTC \u5728 MEMS \u9ea6\u514b\u98ce\u6280\u672f\u65b9\u9762\u7684\u521b\u65b0\uff1a<br>\ud83d\udc49 <a class=\"\" href=\"https:\/\/sistc.com\/zh\/product-category\/mems-microphone\/\">https:\/\/sistc.com\/product-category\/mems-microphone\/<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>In the pursuit of high-fidelity voice and acoustic sensing, MEMS microphone designers continually push the limits of sensitivity, bandwidth, and especially signal-to-noise ratio (SNR). One of the most effective techniques [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"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":"","ast-disable-related-posts":"","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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","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":"var(--ast-global-color-5)","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":""}},"_joinchat":[],"footnotes":""},"categories":[42,1],"tags":[],"class_list":["post-15330","post","type-post","status-publish","format-standard","hentry","category-industry-news","category-company-news"],"_links":{"self":[{"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/posts\/15330","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/comments?post=15330"}],"version-history":[{"count":0,"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/posts\/15330\/revisions"}],"wp:attachment":[{"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/media?parent=15330"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/categories?post=15330"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/tags?post=15330"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}