{"id":15297,"date":"2024-08-02T15:01:58","date_gmt":"2024-08-02T13:01:58","guid":{"rendered":"https:\/\/www.ufe.cz\/research\/laboratory-of-the-national-time-and-frequency-standard-about-team\/laboratories\/laborator-pro-mereni-frekvencni-stability\/"},"modified":"2024-10-04T16:00:25","modified_gmt":"2024-10-04T14:00:25","slug":"laboratory-for-frequency-stability-measurements","status":"publish","type":"page","link":"https:\/\/www.ufe.cz\/en\/research\/laboratory-of-the-national-time-and-frequency-standard\/laboratories\/laboratory-for-frequency-stability-measurements\/","title":{"rendered":"Laboratory for frequency stability measurements"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"15297\" class=\"elementor elementor-15297 elementor-10762\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-235290f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"235290f\" data-element_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-38ee4e2\" data-id=\"38ee4e2\" data-element_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-c65ab34 elementor-widget elementor-widget-text-editor\" data-id=\"c65ab34\" data-element_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<p><strong>Short-term frequency stability measurements (time domain):<\/strong><\/p><div><p><strong>Equipment:<\/strong><\/p><ul><li>Ultra-stable 5\u00a0MHz BVA reference oscillators Oscilloquartz 8600-BC5GE.<\/li><li>Time interval analyzer TSC 5110A.<\/li><li>Laboratory comparators based on dual-mixer time-difference multiplacation with background noise of 5.5\u22c510<sup>-15<\/sup>\u00a0in terms of Allan deviation for averaging interval of 1\u00a0s at 5\u00a0MHz in 26\u00a0Hz bandwidth.<\/li><li>Universal time interval counters Stanford Research SR620.<\/li><\/ul><p><strong>Phase noise measurements (frequency domain):<\/strong><\/p><div><p><strong>Equipment:<\/strong><\/p><div class=\"container\"><div><div class=\"container\"><div id=\"content\" class=\"column\"><div class=\"region region-content\"><div id=\"block-system-main\" class=\"block block-system\"><div class=\"block-inner clearfix\"><div class=\"content\"><div class=\"ds-1col node node-page view-mode-full clearfix\"><div class=\"field field-name-body field-type-text-with-summary field-label-hidden\"><div class=\"field-items\"><div class=\"field-item even\"><ul><li>Phase Noise Detector FSS1000E with modified Phase-Lock Loop (PLL) and the the background noise of\u00a0<var>L<\/var>(\u0192=1Hz) = \u2212145dBc\/Hz,\u00a0<var>L<\/var>(\u0192=100kHz) = \u2212177dBc\/Hz at 5\u00a0MHz.<\/li><li>FFT Spectrum Analyzer Stanford Research SR760.<\/li><\/ul><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\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-top-section elementor-element elementor-element-e7d22f8 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e7d22f8\" data-element_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-3e2ee7c\" data-id=\"3e2ee7c\" data-element_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 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elementor-animated-content\" href=\"https:\/\/www.ufe.cz\/wp-content\/uploads\/2024\/08\/lab-lfsm-complete-large.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-slideshow=\"060f417\" data-elementor-lightbox-title=\"lab-lfsm-complete-large\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MTA3NjQsInVybCI6Imh0dHBzOlwvXC93d3cudWZlLmN6XC93cC1jb250ZW50XC91cGxvYWRzXC8yMDI0XC8wOFwvbGFiLWxmc20tY29tcGxldGUtbGFyZ2UuanBnIiwic2xpZGVzaG93IjoiMDYwZjQxNyJ9\">\n\t\t\t\t\t<div class=\"e-gallery-image elementor-gallery-item__image\" data-thumbnail=\"https:\/\/www.ufe.cz\/wp-content\/uploads\/2024\/08\/lab-lfsm-complete-large-768x512.jpg\" data-width=\"768\" data-height=\"512\" aria-label=\"\" role=\"img\" ><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-gallery-item__overlay\"><\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t<a class=\"e-gallery-item elementor-gallery-item elementor-animated-content\" href=\"https:\/\/www.ufe.cz\/wp-content\/uploads\/2024\/08\/lab-lfsm-equip1-large.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-slideshow=\"060f417\" data-elementor-lightbox-title=\"lab-lfsm-equip1-large\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MTA3NjksInVybCI6Imh0dHBzOlwvXC93d3cudWZlLmN6XC93cC1jb250ZW50XC91cGxvYWRzXC8yMDI0XC8wOFwvbGFiLWxmc20tZXF1aXAxLWxhcmdlLmpwZyIsInNsaWRlc2hvdyI6IjA2MGY0MTcifQ%3D%3D\">\n\t\t\t\t\t<div class=\"e-gallery-image elementor-gallery-item__image\" data-thumbnail=\"https:\/\/www.ufe.cz\/wp-content\/uploads\/2024\/08\/lab-lfsm-equip1-large-768x576.jpg\" data-width=\"768\" data-height=\"576\" aria-label=\"\" role=\"img\" ><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-gallery-item__overlay\"><\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t<a class=\"e-gallery-item elementor-gallery-item elementor-animated-content\" href=\"https:\/\/www.ufe.cz\/wp-content\/uploads\/2024\/08\/lab-lfsm-equip2-large.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-slideshow=\"060f417\" data-elementor-lightbox-title=\"lab-lfsm-equip2-large\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MTA3NzEsInVybCI6Imh0dHBzOlwvXC93d3cudWZlLmN6XC93cC1jb250ZW50XC91cGxvYWRzXC8yMDI0XC8wOFwvbGFiLWxmc20tZXF1aXAyLWxhcmdlLmpwZyIsInNsaWRlc2hvdyI6IjA2MGY0MTcifQ%3D%3D\">\n\t\t\t\t\t<div class=\"e-gallery-image elementor-gallery-item__image\" data-thumbnail=\"https:\/\/www.ufe.cz\/wp-content\/uploads\/2024\/08\/lab-lfsm-equip2-large-768x510.jpg\" data-width=\"768\" data-height=\"510\" aria-label=\"\" role=\"img\" ><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-gallery-item__overlay\"><\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\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>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Short-term frequency stability measurements (time domain): Equipment: Ultra-stable 5\u00a0MHz BVA reference oscillators Oscilloquartz 8600-BC5GE. Time interval analyzer TSC 5110A. Laboratory comparators based on dual-mixer time-difference multiplacation with background noise of 5.5\u22c510-15\u00a0in terms of Allan deviation for averaging interval of 1\u00a0s at 5\u00a0MHz in 26\u00a0Hz bandwidth. Universal time interval counters Stanford Research SR620. Phase noise measurements [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":10765,"parent":15283,"menu_order":32,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"acf":[],"_links":{"self":[{"href":"https:\/\/www.ufe.cz\/en\/wp-json\/wp\/v2\/pages\/15297"}],"collection":[{"href":"https:\/\/www.ufe.cz\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.ufe.cz\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.ufe.cz\/en\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ufe.cz\/en\/wp-json\/wp\/v2\/comments?post=15297"}],"version-history":[{"count":0,"href":"https:\/\/www.ufe.cz\/en\/wp-json\/wp\/v2\/pages\/15297\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/www.ufe.cz\/en\/wp-json\/wp\/v2\/pages\/15283"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ufe.cz\/en\/wp-json\/wp\/v2\/media\/10765"}],"wp:attachment":[{"href":"https:\/\/www.ufe.cz\/en\/wp-json\/wp\/v2\/media?parent=15297"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}