{"id":2403,"date":"2020-11-26T20:42:54","date_gmt":"2020-11-26T12:42:54","guid":{"rendered":"https:\/\/bing-ri.iwangoweb.com\/knowledge\/basic-facts-about-inductors-roles-of-inductors-1-inductors-for-high-frequency-range\/"},"modified":"2020-11-26T20:42:54","modified_gmt":"2020-11-26T12:42:54","slug":"basic-facts-about-inductors-roles-of-inductors-1-inductors-for-high-frequency-range","status":"publish","type":"knowledge","link":"https:\/\/www.bing-ri.com\/en\/knowledge\/basic-facts-about-inductors-roles-of-inductors-1-inductors-for-high-frequency-range\/","title":{"rendered":"Basic Facts about Inductors Roles of Inductors 1- &#8220;Inductors for high-frequency range&#8221;"},"content":{"rendered":"<p class=\"Text -size_M\">Inductors have many different uses, and a variety of product types are available according to the application.<br \/>\nMurata Manufacturing offers a diverse lineup of chip inductors classified by application into the three types of inductors: high-frequency circuits; power supply line inductors (power inductors); inductors for general circuits.<br \/>\nThis article describes inductors for high-frequency circuits.<\/p>\n<p class=\"Text -size_M\">As the name implies, inductors for high-frequency circuits are used in the high-frequency band from 10 MHz to several GHz. As these products require a high Q (Quality factor) value, most have a non-magnetic core structure, and they are mainly used in the high-frequency circuits of mobile communications equipment, such as mobile phones, wireless LAN, and others.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-full wp-image-2391\" src=\"https:\/\/www.bing-ri.com\/wp-content\/uploads\/1606394241459.jpg\" alt=\"\" width=\"1015\" height=\"353\" srcset=\"https:\/\/www.bing-ri.com\/wp-content\/uploads\/1606394241459.jpg 1015w, https:\/\/www.bing-ri.com\/wp-content\/uploads\/1606394241459-300x104.jpg 300w, https:\/\/www.bing-ri.com\/wp-content\/uploads\/1606394241459-768x267.jpg 768w, https:\/\/www.bing-ri.com\/wp-content\/uploads\/1606394241459-600x209.jpg 600w\" sizes=\"(max-width: 1015px) 100vw, 1015px\" \/><\/p>\n<div class=\"Table -simple -keyval_list\" aria-live=\"polite\">\n<p>Table 1 Examples of inductor applications in each circuit block of a mobile phone<\/p>\n<\/div>\n<p class=\"Text -size_M\">Murata Manufacturing offers a diverse lineup of inductor products for high-frequency circuits with three different structures: wire wound, multilayer and film.<br \/>\nThe features and suitable applications of each structure are briefly described below.<\/p>\n<h2 id=\"section-7046\" class=\"Heading -level_2\">\u25c6 Features of the wire wound structure<\/h2>\n<p class=\"Text -size_M\">The wire wound structure is formed by winding copper wire in a spiral shape around an alumina core. The coil can be formed using thicker wire than the multilayer and film structures, which provides the following features:<\/p>\n<p class=\"Text -size_M\">1) Low DC resistance is possible<br \/>\n2) Extremely high \uff31 (Quality factor) value<br \/>\n3) Large currents can be supported<\/p>\n<p class=\"Text -size_M\">These features make the wire wound structure suitable for matching applications in antenna and PA circuits that require an extremely high\uff31 factor, and resonance applications in IF circuits.<\/p>\n<p><img decoding=\"async\" class=\"alignnone wp-image-2389\" src=\"https:\/\/www.bing-ri.com\/wp-content\/uploads\/en-20110314-p1_img0001.png\" alt=\"\" width=\"409\" height=\"111\" \/><img decoding=\"async\" class=\"alignnone size-full wp-image-2401\" src=\"https:\/\/www.bing-ri.com\/wp-content\/uploads\/en-20110314-p1_img0004.png\" alt=\"\" width=\"336\" height=\"134\" srcset=\"https:\/\/www.bing-ri.com\/wp-content\/uploads\/en-20110314-p1_img0004.png 336w, https:\/\/www.bing-ri.com\/wp-content\/uploads\/en-20110314-p1_img0004-300x120.png 300w\" sizes=\"(max-width: 336px) 100vw, 336px\" \/><\/p>\n<h2 id=\"section-7050\" class=\"Heading -level_2\">\u25c6Features of the multilayer structure<\/h2>\n<p class=\"Text -size_M\">The multilayer structure is formed by layering ceramic materials and a coil conductor to create an integrated multilayer-type inductor. This enables a smaller size and lower cost compared to the wire wound structure.<br \/>\nWhile the Q factor is lower than that of the wire wound structure, the multilayer structure provides good overall balance between the L value deviation, rated current, size, price, and other characteristics, enabling use in a wide range of applications.<br \/>\nThe multilayer structure is suitable for various applications such as RF circuit matching, choke, and resonance for mobile communication equipment.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2395\" src=\"https:\/\/www.bing-ri.com\/wp-content\/uploads\/en-20110314-p1_img0002.png\" alt=\"\" width=\"385\" height=\"116\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2399\" src=\"https:\/\/www.bing-ri.com\/wp-content\/uploads\/en-20110314-p1_img0005.png\" alt=\"\" width=\"357\" height=\"129\" srcset=\"https:\/\/www.bing-ri.com\/wp-content\/uploads\/en-20110314-p1_img0005.png 357w, https:\/\/www.bing-ri.com\/wp-content\/uploads\/en-20110314-p1_img0005-300x108.png 300w\" sizes=\"(max-width: 357px) 100vw, 357px\" \/><\/p>\n<h2 id=\"section-7055\" class=\"Heading -level_2\">\u25c6 Features of the film structure<\/h2>\n<p class=\"Text -size_M\">Film structure chip inductors have a multilayer structure, but the coil is formed with high accuracy over ceramic materials using Murata&#8217;s original micro-processing technology.<br \/>\nExtremely accurate cores can be formed, providing the following features:<\/p>\n<p class=\"Text -size_M\">1) High-performance electrical characteristics can be realized even for compact chips such as 0603 size<br \/>\n2) Stable inductance and small inductance value steps are supported<br \/>\n3) High Q and high SRF<\/p>\n<p class=\"Text -size_M\">This makes film structure chip inductors suitable for RF circuit matching and resonance applications that require narrow deviation and a high Q factor to support trends toward smaller and more lightweight mobile communication equipment.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2393\" src=\"https:\/\/www.bing-ri.com\/wp-content\/uploads\/en-20110314-p1_img0003.png\" alt=\"\" width=\"392\" height=\"108\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2397\" src=\"https:\/\/www.bing-ri.com\/wp-content\/uploads\/en-20110314-p1_img0006.png\" alt=\"\" width=\"308\" height=\"140\" srcset=\"https:\/\/www.bing-ri.com\/wp-content\/uploads\/en-20110314-p1_img0006.png 308w, https:\/\/www.bing-ri.com\/wp-content\/uploads\/en-20110314-p1_img0006-300x136.png 300w\" sizes=\"(max-width: 308px) 100vw, 308px\" \/><\/p>\n<p class=\"Text -size_M\">As described above, inductors for high-frequency circuits are used in various RF circuits by making effective use of the features of each type.<\/p>\n<p class=\"Text -size_M\">person in charge: Murata Manufacturing Co., Ltd. \u00a0N.H<\/p>\n","protected":false},"featured_media":2401,"template":"","class_list":["post-2403","knowledge","type-knowledge","status-publish","has-post-thumbnail","hentry","entry","has-media","owp-thumbs-layout-horizontal","owp-btn-normal","owp-tabs-layout-horizontal","has-no-thumbnails"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Basic Facts about Inductors Roles of Inductors 1- &quot;Inductors for high-frequency range&quot; - \u4e26\u65e5\u96fb\u5b50\u79d1\u6280\uff0c\u5171\u6a21\u96fb\u611f\u3001\u9ad8\u983b\u96fb\u611f\u3001\u8eca\u7528\u96fb\u611f<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.bing-ri.com\/en\/knowledge\/basic-facts-about-inductors-roles-of-inductors-1-inductors-for-high-frequency-range\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Basic Facts about Inductors Roles of Inductors 1- &quot;Inductors for high-frequency range&quot; - \u4e26\u65e5\u96fb\u5b50\u79d1\u6280\uff0c\u5171\u6a21\u96fb\u611f\u3001\u9ad8\u983b\u96fb\u611f\u3001\u8eca\u7528\u96fb\u611f\" \/>\n<meta property=\"og:description\" content=\"Inductors have many different uses, and a variety of product types are available according to the application. 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