{"id":15169,"date":"2025-05-22T13:17:33","date_gmt":"2025-05-22T13:17:33","guid":{"rendered":"https:\/\/sistc.com\/?p=15169"},"modified":"2025-05-22T13:17:35","modified_gmt":"2025-05-22T13:17:35","slug":"bottom-ported-mems-microphone-what-you-need-to-know","status":"publish","type":"post","link":"https:\/\/sistc.com\/zh\/bottom-ported-mems-microphone-what-you-need-to-know\/","title":{"rendered":"\u5e95\u7aef\u53e3 MEMS \u9ea6\u514b\u98ce\uff1a\u60a8\u9700\u8981\u4e86\u89e3\u7684\u4fe1\u606f"},"content":{"rendered":"<p class=\"wp-block-paragraph\">\u5e95\u90e8\u5bfc\u5b54 MEMS \u9ea6\u514b\u98ce\u5728\u7d27\u51d1\u578b\u6d88\u8d39\u7535\u5b50\u4ea7\u54c1\u3001\u53ef\u7a7f\u6234\u8bbe\u5907\u548c\u7269\u8054\u7f51\u8bbe\u5907\u4e2d\u8d8a\u6765\u8d8a\u53d7\u6b22\u8fce\u3002\u4e0e\u9876\u90e8\u5bfc\u5b54\u8bbe\u8ba1\u4e0d\u540c\u7684\u662f\uff0c\u5e95\u90e8\u5bfc\u5b54\u9ea6\u514b\u98ce\u901a\u8fc7\u5c01\u88c5\u8868\u9762\u7684\u4e00\u4e2a\u5b54\u6765\u6355\u6349\u58f0\u97f3\u4fe1\u53f7\u3002\u8fd9\u79cd\u914d\u7f6e\u5177\u6709\u72ec\u7279\u7684\u4f18\u52bf\u548c\u8bbe\u8ba1\u8003\u8651\u56e0\u7d20\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/sistc.com\/wp-content\/uploads\/2025\/05\/IMG_9064-1024x1024.jpg\" alt=\"\" class=\"wp-image-15170\" style=\"width:214px;height:auto\" srcset=\"https:\/\/sistc.com\/wp-content\/uploads\/2025\/05\/IMG_9064-1024x1024.jpg 1024w, https:\/\/sistc.com\/wp-content\/uploads\/2025\/05\/IMG_9064-300x300.jpg 300w, https:\/\/sistc.com\/wp-content\/uploads\/2025\/05\/IMG_9064-100x100.jpg 100w, https:\/\/sistc.com\/wp-content\/uploads\/2025\/05\/IMG_9064-768x767.jpg 768w, https:\/\/sistc.com\/wp-content\/uploads\/2025\/05\/IMG_9064-1536x1534.jpg 1536w, https:\/\/sistc.com\/wp-content\/uploads\/2025\/05\/IMG_9064-2048x2046.jpg 2048w, https:\/\/sistc.com\/wp-content\/uploads\/2025\/05\/IMG_9064-12x12.jpg 12w, https:\/\/sistc.com\/wp-content\/uploads\/2025\/05\/IMG_9064-600x599.jpg 600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">\u5e95\u90e8 <\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u5e95\u5b54\u5f0f MEMS \u9ea6\u514b\u98ce\u7684\u5de5\u4f5c\u539f\u7406<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e95\u90e8\u5bfc\u5b54\u5f0f MEMS \u9ea6\u514b\u98ce\u7684\u58f0\u5b66\u5165\u53e3\u4f4d\u4e8e\u5c01\u88c5\u9762\u5411\u5370\u5237\u7535\u8def\u677f\u7684\u4e00\u4fa7\u3002\u58f0\u97f3\u901a\u8fc7\u5370\u5237\u7535\u8def\u677f\u4e0a\u7684\u4e13\u7528\u901a\u5b54\uff0c\u7136\u540e\u5230\u8fbe\u9ea6\u514b\u98ce\u7684\u632f\u819c\u3002\u7247\u4e0a\u7684\u538b\u963b\u6216\u7535\u5bb9\u4f20\u611f\u5668\u5c06\u632f\u819c\u8fd0\u52a8\u8f6c\u6362\u4e3a\u7535\u4fe1\u53f7\uff0c\u7136\u540e\u7531\u96c6\u6210 ADC\uff08PDM \u6216 I\u00b2S\uff09\u8fdb\u884c\u6570\u5b57\u5316\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e3b\u8981\u4f18\u52bf<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u66f4\u5c0f\u7684\u5360\u5730\u9762\u79ef<\/strong><br>- \u65e0\u9700\u5728\u9ea6\u514b\u98ce\u7f50\u6b63\u4e0b\u65b9\u5f00 PCB \u5b54\uff0c\u4f7f\u5e03\u5c40\u66f4\u7d27\u51d1\u3002<\/li>\n\n\n\n<li><strong>\u6539\u8fdb\u5305\u88c5\u4fdd\u62a4<\/strong><br>- \u58f0\u5b66\u7aef\u53e3\u9762\u5411\u5370\u5237\u7535\u8def\u677f\uff0c\u53ef\u907f\u514d\u8bbe\u5907\u8868\u9762\u7684\u76f4\u63a5\u6c61\u67d3\uff08\u7070\u5c18\u3001\u788e\u5c51\uff09\u3002<\/li>\n\n\n\n<li><strong>\u5747\u5300\u58f0\u573a<\/strong><br>- \u53ef\u901a\u8fc7 PCB \u5b54\u8bbe\u8ba1\u8c03\u6574\u58f0\u9053\u957f\u5ea6\uff0c\u4f18\u5316\u9891\u7387\u54cd\u5e94\u3002<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">\u8bbe\u8ba1\u8003\u8651\u56e0\u7d20<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>PCB \u901a\u5b54\u8d28\u91cf<\/strong><br>\u786e\u4fdd\u901a\u5b54\u76f4\u5f84\u548c\u7535\u9540\u5de5\u827a\u5c06\u58f0\u5b66\u963b\u5c3c\u548c\u5171\u632f\u5cf0\u503c\u964d\u81f3\u6700\u4f4e\u3002<\/li>\n\n\n\n<li><strong>\u9694\u97f3\u7f69<\/strong><br>\u5728 PCB \u4e0b\u65b9\u4f7f\u7528\u9694\u97f3\u80cc\u677f\u6216\u963b\u5c3c\u6750\u6599\uff0c\u4ee5\u5e73\u6ed1\u4f4e\u9891\u54cd\u5e94\u3002<\/li>\n\n\n\n<li><strong>\u5bc6\u5c01\u548c\u4fdd\u5f62\u6d82\u6599<\/strong><br>\u5982\u679c\u60a8\u7684\u8bbe\u5907\u9700\u8981\u6db2\u4f53\u4fdd\u62a4\uff0c\u8bf7\u8ba1\u5212\u91c7\u7528\u9009\u62e9\u6027\u4fdd\u5f62\u6d82\u5c42\u6765\u4fdd\u62a4\u9ea6\u514b\u98ce\u5165\u53e3\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u5178\u578b\u5e94\u7528<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u53ef\u7a7f\u6234\u8bbe\u5907\uff08\u667a\u80fd\u624b\u8868\u3001\u5065\u8eab\u624b\u73af\uff09<\/strong><br>\u5e95\u90e8\u5bfc\u5b54\u8bbe\u8ba1\u65e2\u4fdd\u7559\u4e86\u65f6\u5c1a\u7684\u5916\u89c2\uff0c\u53c8\u80fd\u4e3a\u901a\u8bdd\u548c\u8bed\u97f3\u52a9\u624b\u63d0\u4f9b\u6e05\u6670\u7684\u8bed\u97f3\u62fe\u53d6\u3002<\/li>\n\n\n\n<li><strong>\u771f\u6b63\u7684\u65e0\u7ebf\u8033\u585e<\/strong><br>\u96c6\u6210\u5230\u591a\u5c42\u5370\u5237\u7535\u8def\u677f\u4e2d\uff0c\u9ad8\u5ea6\u9650\u5236\u6700\u5c0f\u3002<\/li>\n\n\n\n<li><strong>\u7269\u8054\u7f51\u4f20\u611f\u5668\u4e0e\u667a\u80fd\u5bb6\u5c45<\/strong><br>\u5728\u65e0\u6cd5\u8fdb\u884c\u8868\u9762\u5b89\u88c5\u7684\u673a\u67dc\u5185\u8fdb\u884c\u9690\u853d\u5b89\u88c5\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">SISTC \u5e95\u90e8\u7aef\u53e3 MEMS \u9ea6\u514b\u98ce\u9009\u4ef6<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e86\u89e3\u6211\u4eec\u7684\u5168\u7cfb\u5217 MEMS \u9ea6\u514b\u98ce\uff0c\u5305\u62ec\u5e95\u90e8\u548c\u9876\u90e8\u7aef\u53e3\u578b\u53f7\uff0c\u8bf7\u8bbf\u95ee <a class=\"\" href=\"https:\/\/sistc.com\/zh\/product-category\/mems-microphone\/\">SISTC MEMS \u9ea6\u514b\u98ce\u7c7b\u522b<\/a>.\u6211\u4eec\u7684\u6570\u5b57\u7cfb\u5217\u652f\u6301 PDM \u548c I\u00b2S \u8f93\u51fa\uff0c\u4fe1\u566a\u6bd4\u6700\u9ad8\u53ef\u8fbe 64 dB\uff0cAOP \u6700\u9ad8\u53ef\u8fbe 130 dB SPL\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u66f4\u591a\u9605\u8bfb<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6a21\u62df\u5668\u4ef6\u516c\u53f8\uff1aMEMS \u9ea6\u514b\u98ce\u7684\u58f0\u5b66\u8bbe\u8ba1<\/strong><\/li>\n\n\n\n<li><strong>TDK InvenSense\uff1aMEMS \u9ea6\u514b\u98ce\u5c01\u88c5\u6307\u5357<\/strong><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Bottom-ported MEMS microphones are increasingly popular in compact consumer electronics, wearables, and IoT devices. Unlike top-ported designs\u2014where sound enters through a hole on the package\u2019s surface\u2014bottom-ported microphones capture acoustic signals [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":15170,"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":[1],"tags":[],"class_list":["post-15169","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-company-news"],"_links":{"self":[{"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/posts\/15169","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=15169"}],"version-history":[{"count":0,"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/posts\/15169\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/media\/15170"}],"wp:attachment":[{"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/media?parent=15169"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/categories?post=15169"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/tags?post=15169"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}