{"id":648,"date":"2020-02-03T08:10:16","date_gmt":"2020-02-03T08:10:16","guid":{"rendered":"http:\/\/dwmicrowave.com.cn:90\/?page_id=648"},"modified":"2026-04-14T06:36:32","modified_gmt":"2026-04-14T06:36:32","slug":"fsf_filter","status":"publish","type":"page","link":"https:\/\/dwmicrowave.com.cn\/index.php\/microwave_filter\/fsf_filter\/","title":{"rendered":"FSF series Filter"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"648\" class=\"elementor elementor-648\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-25feb3b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"25feb3b\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-8c7d9dc\" data-id=\"8c7d9dc\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-824b317 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"824b317\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-0c4fabe\" data-id=\"0c4fabe\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-cc2a516 elementor-widget elementor-widget-heading\" data-id=\"cc2a516\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\"><h4 class=\"elementor-heading-title elementor-size-default\">Page Navigation<\/h4><\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6795230 elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"6795230\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"#filter_type_fsf_en\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-dot-circle\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"> Filter Categories<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"#filter_char_fsf_en\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-thumbs-up\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Features<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"#datasheet_fsf_en\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"far fa-file-pdf\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Datasheet<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-27aa909 elementor-widget elementor-widget-heading\" data-id=\"27aa909\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Product Navigation<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-53fb596 elementor-widget elementor-widget-wp-widget-nav_menu\" data-id=\"53fb596\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wp-widget-nav_menu.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"menu-guidelist_en-container\"><ul id=\"menu-guidelist_en\" class=\"menu\"><li id=\"menu-item-398\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-398\"><a href=\"https:\/\/dwmicrowave.com.cn\/index.php\/mmic\/\">MMIC<\/a>\n<ul class=\"sub-menu\">\n\t<li id=\"menu-item-540\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-540\"><a href=\"https:\/\/dwmicrowave.com.cn\/index.php\/mmic\/circulator\/\">MEMS Circulator<\/a><\/li>\n\t<li id=\"menu-item-1060\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-1060\"><a href=\"https:\/\/dwmicrowave.com.cn\/index.php\/mmic\/isolator\/\">MEMS Isolator<\/a><\/li>\n\t<li id=\"menu-item-539\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-539\"><a href=\"https:\/\/dwmicrowave.com.cn\/index.php\/mmic\/ttd\/\">True Time Delay<\/a><\/li>\n\t<li id=\"menu-item-1059\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-1059\"><a href=\"https:\/\/dwmicrowave.com.cn\/index.php\/mmic\/directional-coupler\/\">Directional Coupler<\/a><\/li>\n<\/ul>\n<\/li>\n<li id=\"menu-item-395\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-395\"><a href=\"https:\/\/dwmicrowave.com.cn\/index.php\/microwave_filter\/\">Microwave Filter<\/a>\n<ul class=\"sub-menu\">\n\t<li id=\"menu-item-396\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-396\"><a href=\"https:\/\/dwmicrowave.com.cn\/index.php\/microwave_filter\/swf_filter\/\">SWF series Filter<\/a><\/li>\n\t<li id=\"menu-item-678\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-678\"><a href=\"https:\/\/dwmicrowave.com.cn\/index.php\/microwave_filter\/fsf_filter\/\">FSF series Filter<\/a><\/li>\n\t<li id=\"menu-item-533\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-533\"><a href=\"https:\/\/dwmicrowave.com.cn\/index.php\/microwave_filter\/gif_filter\/\">GIF series Filter<\/a><\/li>\n\t<li id=\"menu-item-534\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-534\"><a href=\"https:\/\/dwmicrowave.com.cn\/index.php\/microwave_filter\/zeroguide\/\">ZeroGuide\u2122 Filter<\/a><\/li>\n<\/ul>\n<\/li>\n<\/ul><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-5fb9a97\" data-id=\"5fb9a97\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-d4fa9a4 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d4fa9a4\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-4dd071e\" data-id=\"4dd071e\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d253026 elementor-widget elementor-widget-heading\" data-id=\"d253026\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">FSF-series Glass based SIW Filter<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b752807 elementor-widget elementor-widget-text-editor\" data-id=\"b752807\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>FSF series chip-level substrate integrated waveguide (SIW) filter is manufactured on DWMicrowave\u2019s semiconductor process with glass substrate, which offers higher frequency band and better unloaded Q factor compared to silicon substrate.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-90ccee1\" data-id=\"90ccee1\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9da3c9d elementor-widget elementor-widget-image\" data-id=\"9da3c9d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"886\" height=\"470\" src=\"https:\/\/dwmicrowave.com.cn\/wp-content\/uploads\/2026\/02\/2025-11-29-09_45_10-Window.png\" class=\"attachment-large size-large wp-image-1180\" alt=\"\" srcset=\"https:\/\/dwmicrowave.com.cn\/wp-content\/uploads\/2026\/02\/2025-11-29-09_45_10-Window.png 886w, https:\/\/dwmicrowave.com.cn\/wp-content\/uploads\/2026\/02\/2025-11-29-09_45_10-Window-300x159.png 300w, https:\/\/dwmicrowave.com.cn\/wp-content\/uploads\/2026\/02\/2025-11-29-09_45_10-Window-768x407.png 768w\" sizes=\"(max-width: 886px) 100vw, 886px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-49b47cc elementor-widget-divider--separator-type-pattern elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"49b47cc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\" style=\"--divider-pattern-url: url(&quot;data:image\/svg+xml,%3Csvg xmlns=&#039;http:\/\/www.w3.org\/2000\/svg&#039; preserveAspectRatio=&#039;none&#039; overflow=&#039;visible&#039; height=&#039;100%&#039; viewBox=&#039;0 0 24 24&#039; fill=&#039;none&#039; stroke=&#039;black&#039; stroke-width=&#039;1&#039; stroke-linecap=&#039;square&#039; stroke-miterlimit=&#039;10&#039;%3E%3Cpath d=&#039;M0,6c6,0,6,13,12,13S18,6,24,6&#039;\/%3E%3C\/svg%3E&quot;);\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b5829fc elementor-widget elementor-widget-menu-anchor\" data-id=\"b5829fc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"menu-anchor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-menu-anchor\" id=\"filter_type_fsf_en\"><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cb913ab elementor-widget elementor-widget-text-editor\" data-id=\"cb913ab\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>DWMicrowave currently offers four filter product series designed for different frequency bands and performance requirements. Among these, the ZeroGuide series is currently under development, while the rest are already in mass production. Their microwave performance and cost are detailed in the figure below.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3a1eaec elementor-widget elementor-widget-image\" data-id=\"3a1eaec\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1100\" height=\"900\" src=\"https:\/\/dwmicrowave.com.cn\/wp-content\/uploads\/2026\/02\/series-Filter_en.jpg\" class=\"attachment-full size-full wp-image-1791\" alt=\"\" srcset=\"https:\/\/dwmicrowave.com.cn\/wp-content\/uploads\/2026\/02\/series-Filter_en.jpg 1100w, https:\/\/dwmicrowave.com.cn\/wp-content\/uploads\/2026\/02\/series-Filter_en-300x245.jpg 300w, https:\/\/dwmicrowave.com.cn\/wp-content\/uploads\/2026\/02\/series-Filter_en-1024x838.jpg 1024w, https:\/\/dwmicrowave.com.cn\/wp-content\/uploads\/2026\/02\/series-Filter_en-768x628.jpg 768w\" sizes=\"(max-width: 1100px) 100vw, 1100px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0737060 elementor-widget elementor-widget-text-editor\" data-id=\"0737060\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>As shown in the figure above, the FSF-series filters are suitable for applications ranging from 20\u202fGHz to 60\u202fGHz, featuring extreme low insertion loss.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3774351 elementor-widget-divider--separator-type-pattern elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"3774351\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\" style=\"--divider-pattern-url: url(&quot;data:image\/svg+xml,%3Csvg xmlns=&#039;http:\/\/www.w3.org\/2000\/svg&#039; preserveAspectRatio=&#039;none&#039; overflow=&#039;visible&#039; height=&#039;100%&#039; viewBox=&#039;0 0 24 24&#039; fill=&#039;none&#039; stroke=&#039;black&#039; stroke-width=&#039;1&#039; stroke-linecap=&#039;square&#039; stroke-miterlimit=&#039;10&#039;%3E%3Cpath d=&#039;M0,6c6,0,6,13,12,13S18,6,24,6&#039;\/%3E%3C\/svg%3E&quot;);\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1c1d16f elementor-widget elementor-widget-menu-anchor\" data-id=\"1c1d16f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"menu-anchor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-menu-anchor\" id=\"filter_char_fsf_en\"><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-52818b5 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"52818b5\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-b6abb35\" data-id=\"b6abb35\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-ad39ffd elementor-widget elementor-widget-image\" data-id=\"ad39ffd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/dwmicrowave.com.cn\/wp-content\/uploads\/2026\/02\/semi-1.jpg\" title=\"semi\" alt=\"semi\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-89308dd\" data-id=\"89308dd\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-63dc46a elementor-widget elementor-widget-heading\" data-id=\"63dc46a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Customized semiconductor process flow<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b346817 elementor-widget elementor-widget-text-editor\" data-id=\"b346817\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Manufactured on <a href=\"http:\/\/dwmicrowave.com.cn\/index.php\/highlight#highlight_en_process\">semiconductor process<\/a>, very high microwave performance consistency. Filters can be customized to meet specific user requirements<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-2291cef elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2291cef\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-bcb5f18\" data-id=\"bcb5f18\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3b60722 elementor-widget elementor-widget-image\" data-id=\"3b60722\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/dwmicrowave.com.cn\/wp-content\/uploads\/2026\/02\/pim-1.jpg\" title=\"pim\" alt=\"pim\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-12ce2c8\" data-id=\"12ce2c8\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1597df2 elementor-widget elementor-widget-heading\" data-id=\"1597df2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Excellent PIM performance<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3ee07f0 elementor-widget elementor-widget-text-editor\" data-id=\"3ee07f0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>By replacing the nickel with <a href=\"http:\/\/dwmicrowave.com.cn\/index.php\/highlight#highlight_en_nomag\">non-magnetic metal<\/a>, The DWMicrowave\u2019s FSF series filters provide outstanding PIM performance, which is close to the waveguide filters.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-8f29ae5 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8f29ae5\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-c89c821\" data-id=\"c89c821\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f4c7898 elementor-widget elementor-widget-image\" data-id=\"f4c7898\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/dwmicrowave.com.cn\/wp-content\/uploads\/2026\/02\/vac-1.jpg\" title=\"vac\" alt=\"vac\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-ee9c7a1\" data-id=\"ee9c7a1\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0819801 elementor-widget elementor-widget-heading\" data-id=\"0819801\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Suitable for airtight and vacuum environments<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-06bf696 elementor-widget elementor-widget-text-editor\" data-id=\"06bf696\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The DWMicrowave\u2019s FSF series filters, manufactured by specialized semiconductor process, are free from organic polymers, completely avoiding the out-gassing issues and are especially suitable for <a href=\"http:\/\/dwmicrowave.com.cn\/index.php\/highlight#highlight_en_nopolymer\">airtight or vacuum applications<\/a>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-00d0272 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"00d0272\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-4ec4aca\" data-id=\"4ec4aca\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-01f1ff3 elementor-widget elementor-widget-image\" data-id=\"01f1ff3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/dwmicrowave.com.cn\/wp-content\/uploads\/2026\/02\/lowcte-1.jpg\" title=\"lowcte\" alt=\"lowcte\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-45e2bfb\" data-id=\"45e2bfb\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c25aaa9 elementor-widget elementor-widget-heading\" data-id=\"c25aaa9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Very low temperature drift<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3580e51 elementor-widget elementor-widget-text-editor\" data-id=\"3580e51\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>FSF series filter offers very low temperature drift. The table below provides the temperature coefficient of frequency (TCF) of the 21-23GHz FSF series filters.<\/p><p><div id=\"footable_parent_1277\"\n         class=\" footable_parent ninja_table_wrapper loading_ninja_table wp_table_data_press_parent semantic_ui \">\n                <table data-ninja_table_instance=\"ninja_table_instance_0\" data-footable_id=\"1277\" data-filter-delay=\"1000\" aria-label=\"FSF filter Temperature Drift\"            id=\"footable_1277\"\n           data-unique_identifier=\"ninja_table_unique_id_4159758331_1277\"\n           class=\" foo-table ninja_footable foo_table_1277 ninja_table_unique_id_4159758331_1277 ui table  ninja_search_right nt_type_ajax_table selectable striped vertical_centered  footable-paging-right ninja_table_search_disabled\">\n                <colgroup>\n                            <col class=\"ninja_column_0 \">\n                            <col class=\"ninja_column_1 \">\n                    <\/colgroup>\n            <\/table>\n    \n    \n    \n<\/div>\n<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b653057 elementor-widget elementor-widget-image\" data-id=\"b653057\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/dwmicrowave.com.cn\/wp-content\/uploads\/2026\/02\/Filter-CTE-en.jpg\" title=\"Filter-CTE-en\" alt=\"Filter-CTE-en\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-094597d elementor-widget-divider--separator-type-pattern elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"094597d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\" style=\"--divider-pattern-url: url(&quot;data:image\/svg+xml,%3Csvg xmlns=&#039;http:\/\/www.w3.org\/2000\/svg&#039; preserveAspectRatio=&#039;none&#039; overflow=&#039;visible&#039; height=&#039;100%&#039; viewBox=&#039;0 0 24 24&#039; fill=&#039;none&#039; stroke=&#039;black&#039; stroke-width=&#039;1&#039; stroke-linecap=&#039;square&#039; stroke-miterlimit=&#039;10&#039;%3E%3Cpath d=&#039;M0,6c6,0,6,13,12,13S18,6,24,6&#039;\/%3E%3C\/svg%3E&quot;);\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a9826d8 elementor-widget elementor-widget-menu-anchor\" data-id=\"a9826d8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"menu-anchor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-menu-anchor\" id=\"datasheet_fsf_en\"><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-852168d elementor-widget elementor-widget-text-editor\" data-id=\"852168d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Below are the basic parameters of the FSF22B2N5 filter. For the more detailed datasheet and S-parameter files, please contact us.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-265e511 elementor-widget elementor-widget-heading\" data-id=\"265e511\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">FSF22B2N5<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ebfc9cf elementor-widget elementor-widget-text-editor\" data-id=\"ebfc9cf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul style=\"list-style-type: disc;\"><li><h4>Electrical Specifications<\/h4><\/li><\/ul><p><div id=\"footable_parent_1278\"\n         class=\" footable_parent ninja_table_wrapper loading_ninja_table wp_table_data_press_parent semantic_ui \">\n                <table data-ninja_table_instance=\"ninja_table_instance_1\" data-footable_id=\"1278\" data-filter-delay=\"1000\" aria-label=\"FSF22B2N5 Electrical Specification\"            id=\"footable_1278\"\n           data-unique_identifier=\"ninja_table_unique_id_3335085899_1278\"\n           class=\" foo-table ninja_footable foo_table_1278 ninja_table_unique_id_3335085899_1278 ui table  ninja_search_right nt_type_ajax_table selectable striped vertical_centered  footable-paging-right ninja_table_search_disabled\">\n                <colgroup>\n                            <col class=\"ninja_column_0 \">\n                            <col class=\"ninja_column_1 \">\n                            <col class=\"ninja_column_2 \">\n                            <col class=\"ninja_column_3 \">\n                            <col class=\"ninja_column_4 \">\n                            <col class=\"ninja_column_5 \">\n                    <\/colgroup>\n            <\/table>\n    \n    \n    \n<\/div>\n<\/p><p><span style=\"font-size: 10pt;\">Data is measured with 2 wirebonds with approximately 25\u03bcm diameter, 50\u03bcm height, on the DWMicrowave test board. Test board is connected to VNA with 2.4mm connectors. The connector and coaxial cables are deembedded.<\/span><\/p><ul><li><h4>Typical Performance<\/h4><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5f12add elementor-widget elementor-widget-image\" data-id=\"5f12add\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"916\" height=\"748\" src=\"https:\/\/dwmicrowave.com.cn\/wp-content\/uploads\/2026\/02\/FSF-series-Filter-Datasheet-perf.jpg\" class=\"attachment-full size-full wp-image-1790\" alt=\"\" srcset=\"https:\/\/dwmicrowave.com.cn\/wp-content\/uploads\/2026\/02\/FSF-series-Filter-Datasheet-perf.jpg 916w, https:\/\/dwmicrowave.com.cn\/wp-content\/uploads\/2026\/02\/FSF-series-Filter-Datasheet-perf-300x245.jpg 300w, https:\/\/dwmicrowave.com.cn\/wp-content\/uploads\/2026\/02\/FSF-series-Filter-Datasheet-perf-768x627.jpg 768w\" sizes=\"(max-width: 916px) 100vw, 916px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-82804fd elementor-widget elementor-widget-text-editor\" data-id=\"82804fd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul style=\"list-style-type: disc;\"><li><h4>Mechanical Drawing<\/h4><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-135ea82 elementor-widget elementor-widget-image\" data-id=\"135ea82\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/dwmicrowave.com.cn\/wp-content\/uploads\/2026\/02\/mechanical_en-scaled.png\" title=\"mechanical_en\" alt=\"mechanical_en\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8a361b9 elementor-widget elementor-widget-text-editor\" data-id=\"8a361b9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"text-align: left;\">In the top view above, the shaded areas are for wire-bonding. Outline dimensions are given below, unit is millimeter.<\/p><p style=\"text-align: left;\"><div id=\"footable_parent_1276\"\n         class=\" footable_parent ninja_table_wrapper loading_ninja_table wp_table_data_press_parent semantic_ui \">\n                <table data-ninja_table_instance=\"ninja_table_instance_2\" data-footable_id=\"1276\" data-filter-delay=\"1000\" aria-label=\"FSF22B2N5 Mechanical Drawing\"            id=\"footable_1276\"\n           data-unique_identifier=\"ninja_table_unique_id_2038209104_1276\"\n           class=\" foo-table ninja_footable foo_table_1276 ninja_table_unique_id_2038209104_1276 ui table  ninja_search_right nt_type_ajax_table selectable striped vertical_centered  footable-paging-right ninja_table_search_disabled\">\n                <colgroup>\n                            <col class=\"ninja_column_0 \">\n                            <col class=\"ninja_column_1 \">\n                            <col class=\"ninja_column_2 \">\n                            <col class=\"ninja_column_3 \">\n                    <\/colgroup>\n            <\/table>\n    \n    \n    \n<\/div>\n<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-500c75b elementor-widget elementor-widget-text-editor\" data-id=\"500c75b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>For datasheets and S2P files of other chip models, please also contact us.\u00a0<\/p><p>\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Page Navigation Filter Categories Features Datasheet Pr&hellip; <br \/> <a class=\"button small blue\" href=\"https:\/\/dwmicrowave.com.cn\/index.php\/microwave_filter\/fsf_filter\/\">\u9605\u8bfb\u66f4\u591a<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":100,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-648","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/dwmicrowave.com.cn\/index.php\/wp-json\/wp\/v2\/pages\/648","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dwmicrowave.com.cn\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/dwmicrowave.com.cn\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/dwmicrowave.com.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dwmicrowave.com.cn\/index.php\/wp-json\/wp\/v2\/comments?post=648"}],"version-history":[{"count":36,"href":"https:\/\/dwmicrowave.com.cn\/index.php\/wp-json\/wp\/v2\/pages\/648\/revisions"}],"predecessor-version":[{"id":1895,"href":"https:\/\/dwmicrowave.com.cn\/index.php\/wp-json\/wp\/v2\/pages\/648\/revisions\/1895"}],"up":[{"embeddable":true,"href":"https:\/\/dwmicrowave.com.cn\/index.php\/wp-json\/wp\/v2\/pages\/100"}],"wp:attachment":[{"href":"https:\/\/dwmicrowave.com.cn\/index.php\/wp-json\/wp\/v2\/media?parent=648"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}