{"id":2886,"date":"2025-01-09T14:10:16","date_gmt":"2025-01-09T13:10:16","guid":{"rendered":"https:\/\/www.bq-microwave.de\/?p=2886"},"modified":"2025-01-09T14:10:16","modified_gmt":"2025-01-09T13:10:16","slug":"wr12-waveguide-bandpassfilter-76-81-ghz-model-at-bpf-7681-12a-waveguide-filter-up-to-300-ghz-waveguide-bandpassfilter-waveguide-bandstop-filter-waveguide-notch-filters-waveguide-low-pass-filter-up","status":"publish","type":"post","link":"https:\/\/www.bq-microwave.de\/en\/news\/wr12-waveguide-bandpassfilter-76-81-ghz-model-at-bpf-7681-12a-waveguide-filter-up-to-300-ghz-waveguide-bandpassfilter-waveguide-bandstop-filter-waveguide-notch-filters-waveguide-low-pass-filter-up\/","title":{"rendered":"WR12 Waveguide Bandpassfilter 76-81 GHz, Model # AT-BPF-7681-12A"},"content":{"rendered":"<p><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container fusion-parallax-none nonhundred-percent-fullwidth non-hundred-percent-height-scrolling lazyload\" style=\"--awb-background-position:right top;--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-margin-top:-180px;--awb-min-height:1250px;--awb-background-size:cover;--awb-flex-wrap:wrap;\" data-bg=\"https:\/\/www.bq-microwave.de\/wp-content\/uploads\/2021\/02\/bq-microwaves_news_bg.png\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:calc( 1640px + 0px );margin-left: calc(-0px \/ 2 );margin-right: calc(-0px \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:0px;--awb-margin-bottom-large:0px;--awb-spacing-left-large:0px;--awb-width-medium:100%;--awb-spacing-right-medium:0px;--awb-spacing-left-medium:0px;--awb-width-small:100%;--awb-spacing-right-small:0px;--awb-spacing-left-small:0px;\"><div class=\"fusion-column-wrapper fusion-flex-justify-content-flex-start fusion-content-layout-column\"><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-2 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-background-position:right top;--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-margin-top:-900px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:calc( 1640px + 0px );margin-left: calc(-0px \/ 2 );margin-right: calc(-0px \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-1 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:0px;--awb-margin-bottom-large:0px;--awb-spacing-left-large:0px;--awb-width-medium:100%;--awb-spacing-right-medium:0px;--awb-spacing-left-medium:0px;--awb-width-small:100%;--awb-spacing-right-small:0px;--awb-spacing-left-small:0px;\"><div class=\"fusion-column-wrapper fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-1 fusion-sep-none fusion-title-text fusion-title-size-one\" style=\"--awb-margin-top-small:10px;--awb-margin-right-small:0px;--awb-margin-bottom-small:10px;--awb-margin-left-small:0px;\"><h1 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:40;line-height:1.5;\">WR12 Waveguide Bandpassfilter 76-81 GHz &#8211; AT-BPF-7681-12A<\/h1><\/div><div class=\"fusion-image-element\" style=\"--awb-margin-top:60px;--awb-margin-bottom:60px;--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\"fusion-imageframe imageframe-none imageframe-1 hover-type-none\"><img decoding=\"async\" width=\"1024\" height=\"432\" title=\"WR12 Waveguide Bandpassfilter 76-81 GHz, www.bq-microwave.de\" src=\"https:\/\/www.bq-microwave.de\/wp-content\/uploads\/2025\/01\/WR12-Waveguide-Bandpassfilter-76-81-GHz-www.bq-microwave.de_.png\" data-orig-src=\"https:\/\/www.bq-microwave.de\/wp-content\/uploads\/2025\/01\/WR12-Waveguide-Bandpassfilter-76-81-GHz-www.bq-microwave.de_-1024x432.png\" alt class=\"lazyload img-responsive wp-image-2883\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%272978%27%20height%3D%271256%27%20viewBox%3D%270%200%202978%201256%27%3E%3Crect%20width%3D%272978%27%20height%3D%271256%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/www.bq-microwave.de\/wp-content\/uploads\/2025\/01\/WR12-Waveguide-Bandpassfilter-76-81-GHz-www.bq-microwave.de_-200x84.png 200w, https:\/\/www.bq-microwave.de\/wp-content\/uploads\/2025\/01\/WR12-Waveguide-Bandpassfilter-76-81-GHz-www.bq-microwave.de_-400x169.png 400w, https:\/\/www.bq-microwave.de\/wp-content\/uploads\/2025\/01\/WR12-Waveguide-Bandpassfilter-76-81-GHz-www.bq-microwave.de_-600x253.png 600w, https:\/\/www.bq-microwave.de\/wp-content\/uploads\/2025\/01\/WR12-Waveguide-Bandpassfilter-76-81-GHz-www.bq-microwave.de_-800x337.png 800w, https:\/\/www.bq-microwave.de\/wp-content\/uploads\/2025\/01\/WR12-Waveguide-Bandpassfilter-76-81-GHz-www.bq-microwave.de_-1200x506.png 1200w\" data-sizes=\"auto\" data-orig-sizes=\"(max-width: 640px) 100vw, 1024px\" \/><\/span><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-2 fusion_builder_column_2_3 2_3 fusion-flex-column\" style=\"--awb-padding-top:40px;--awb-bg-size:cover;--awb-width-large:66.666666666667%;--awb-margin-top-large:0px;--awb-spacing-right-large:0px;--awb-margin-bottom-large:0px;--awb-spacing-left-large:0px;--awb-width-medium:66.666666666667%;--awb-order-medium:0;--awb-spacing-right-medium:0px;--awb-spacing-left-medium:0px;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:0px;--awb-spacing-left-small:0px;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-1\"><p><strong>Unlocking High-Performance Filtering with the AT-BPF-7681-12A Bandpass Filter<\/strong><\/p>\n<p>AT Microwave\u2019s AT-BPF-7681-12A is a cutting-edge WR12 waveguide bandpass filter designed to operate in the E-band (76-81 GHz). Ideal for demanding applications, this filter provides precision performance for modern RF systems, setting it apart in industries like automotive radar and test equipment.<\/p>\n<h4>Key Features and Specifications:<\/h4>\n<p>The AT-BPF-7681-12A excels with its high-performance specifications:<\/p>\n<ul>\n<li>Passband Frequency: 76-81 GHz<\/li>\n<li>Low Insertion Loss: Typical 0.8 dB (Max 1.5 dB)<\/li>\n<li>Passband Return Loss: Minimum -15 dB<\/li>\n<li>Exceptional Rejection:\n<ul>\n<li>Low-end: DC to 71 GHz at -40 dBc<\/li>\n<li>High-end: 85 to 90 GHz at -40 dBc<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>Built with gold-plated brass and precise machining tolerances, this filter ensures both durability and superior performance across its operational temperature range of -40\u00b0C to +85\u00b0C.<\/p>\n<h4>Advantages:<\/h4>\n<p>This bandpass filter delivers:<\/p>\n<ul>\n<li>Low insertion loss for minimal signal degradation<\/li>\n<li>Excellent return loss ensuring reduced reflections<\/li>\n<li>High stopband suppression for effective signal filtering<\/li>\n<li>Sharp roll-off, enabling precise frequency band separation<\/li>\n<\/ul>\n<h4>Applications<\/h4>\n<p>The versatility of the AT-BPF-7681-12A makes it a reliable choice for:<\/p>\n<ul>\n<li>Automotive radar testing<\/li>\n<li>Foreign Object Debris (FOD) detection<\/li>\n<li>RF over Fiber (ROF) systems<\/li>\n<li>Radar system integration<\/li>\n<li>General RF test equipment<\/li>\n<\/ul>\n<h4>Why Choose AT Microwave?<\/h4>\n<p>With decades of expertise in RF and microwave solutions, AT Microwave combines precision design, quality materials, and rigorous testing to deliver robust solutions like the AT-BPF-7681-12A. Its compact design, weighing just 35g, coupled with its excellent electrical characteristics, makes it the ideal choice for engineers and designers seeking reliability and efficiency.<\/p>\n<p>Further Waveguide Filters up to 300 GHz and custom solutions available<\/p>\n<p>&#8211; BPF: Band-Pass Filter<br \/>\n&#8211; LPF: Low-Pass Filter<br \/>\n&#8211; HPF: High-Pass Filter<br \/>\n&#8211; BSF: Band-stop Filter (Waveguide Notch Filters)<\/p>\n<p>Please feel free to send us your request to <a href=\"http:\/\/www.bq-microwave.de\/en\/\">www.bq-microwave.de<\/a> or use the contact form on our webite.<\/p>\n<p>Please click below to download the PDF sheet of AT-BPF-7681-12A.<\/p>\n<\/div><div ><a class=\"fusion-button button-flat fusion-button-default-size button-default fusion-button-default button-1 fusion-button-default-span fusion-button-default-type\" target=\"_self\" href=\"https:\/\/www.bq-microwave.de\/wp-content\/uploads\/2025\/01\/WR12-Waveguide-Bandpassfilter-76-81-GHz-Model-AT-BPF-7681-12A-www.bq-microwave.de_.pdf\"><span class=\"fusion-button-text awb-button__text awb-button__text--default\">Download all info as PDF<\/span><\/a><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-3 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1705.6px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><\/div><\/div><\/p>","protected":false},"excerpt":{"rendered":"","protected":false},"author":3,"featured_media":2883,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2886","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>WR12 Waveguide Bandpassfilter 76-81 GHz, Model # 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