{"id":2445,"date":"2025-11-19T14:34:08","date_gmt":"2025-11-19T14:34:08","guid":{"rendered":"https:\/\/wp-productionenv-bjg9h2g2bgg5b8aa.southeastasia-01.azurewebsites.net\/news\/rakon-unveils-ultra-stable-space-ocxo-to-challenge-miniature-atomic-clocks\/"},"modified":"2025-11-19T14:34:08","modified_gmt":"2025-11-19T14:34:08","slug":"rakon-unveils-ultra-stable-space-ocxo-to-challenge-miniature-atomic-clocks","status":"publish","type":"post","link":"https:\/\/starpath.global\/news\/rakon-unveils-ultra-stable-space-ocxo-to-challenge-miniature-atomic-clocks\/","title":{"rendered":"Rakon Unveils Ultra-Stable Space OCXO to Challenge Miniature Atomic Clocks"},"content":{"rendered":"<p style=\"text-align: center;\" itemprop=\"image\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/ImageObject\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cdn.satnow.com\/news\/1763548653819_638991454614307374.png\" width=\"712\" height=\"387\" alt=\"Rakon Unveils Ultra-Stable Space OCXO to Challenge Miniature Atomic Clocks\" class=\"imageload removeImageattr\" data-original=\"https:\/\/cdn.satnow.com\/news\/1763548653819_638991454614307374.png\" style=\"opacity: 1.54212e-05;\"><meta itemprop=\"url\" content=\"https:\/\/cdn.satnow.com\/news\/1763548653819_638991454614307374.png\"><meta itemprop=\"width\" content=\"712\"><meta itemprop=\"height\" content=\"387\"><\/p>\n<p><strong>Rakon<\/strong>, a leading manufacturer of frequency control and timing solutions, announced a breakthrough addition to its RK409 series of Ultra Stable <strong>OCXOs<\/strong>: the RK409RBNS Ultra Stable Oscillator (USO), a compact, cost-effective alternative to miniature rubidium atomic clocks. For many years, Rakon\u2019s RK409 series has been a trusted choice for space missions, with nearly 200 units operating across GEO, MEO, and LEO spacecraft, satellite platforms and payloads, including missions such as Galileo, Jason and HTV.&nbsp;<\/p>\n<p>The RK409RBNS delivers exceptional performance by combining:&nbsp;<\/p>\n<ul>\n<li>Short-term Allan Deviation (ADEV) typical of space quartz oscillators: 2.5E-13 at \u03c4 = 1s.&nbsp;<\/li>\n<li>Long-term ADEV usually reserved for mini rubidium atomic clocks: 3E-12 at \u03c4 = 10,000s.&nbsp;<\/li>\n<li>Frequency stability of \u00b10.25 ppb across -20\u00b0C to +50\u00b0C in vacuum.&nbsp;<\/li>\n<li>Long-term ageing of \u2264 \u00b1100 ppb over 5 years at 10 MHz.<\/li>\n<\/ul>\n<div class=\"widget-layout related-content-also-read-box my-3\">\n<h4 class=\"mb-0\">Also Read: New Space Applications Add to Mix of Space-Qualified Crystal Oscillators<\/h4>\n<\/div>\n<p>Its highly accurate and stable Radio Frequency (RF) output signal provides a precise reference frequency for spacecraft systems, whilst its superior short-term stability makes it ideal for LEO high-end telecom, GNSS&nbsp;and PNT payload requirements.&nbsp;<\/p>\n<p>With the launch of RK409RBNS, the RK409 family now supports an even broader range of space applications:&nbsp;<\/p>\n<div class=\"table-responsive\">\n<div class=\"table-responsive mb-4\">\n<table class=\"mb-0\" style=\"width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 25.0000%;\">Radiation resistance level<\/td>\n<td style=\"width: 25.0000%;\">Model<\/td>\n<td style=\"width: 25.0000%;\">Key features<\/td>\n<td style=\"width: 25.0000%;\">Key applications<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 25.0000%;\">LEO, MEO<\/td>\n<td style=\"width: 25.0000%;\">RK409NS<\/td>\n<td style=\"width: 25.0000%;\">\n<ul>\n<li><span style=\"font-size: 16px;\"><span style=\"font-family: Arial, Helvetica, sans-serif;\">Wide<\/span> Frequency<\/span><\/li>\n<li><span style=\"font-size: 16px;\">Superior phase noise<\/span><\/li>\n<\/ul>\n<\/td>\n<td style=\"width: 25.0000%;\">Wide range of LEO\/MEO applications, including Telecom and EO smallsat platforms and payloads<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 25.0000%;\">LEO, MEO<\/td>\n<td style=\"width: 25.0000%;\">RK409AVNS<\/td>\n<td style=\"width: 25.0000%;\">\n<ul>\n<li><span style=\"font-size: 16px;\">Ultra low ADEV<\/span><\/li>\n<li><span style=\"font-size: 16px;\">Superior phase noise at 10Hz offset,<\/span><\/li>\n<li><span style=\"font-size: 16px;\">Low sensitivity to acceleration, pressure and magnetic fields<\/span><\/li>\n<\/ul>\n<\/td>\n<td style=\"width: 25.0000%;\">Wide range of LEO\/MEO applications, including Telecom, PNT and EO smallsat platforms and payloads<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 25.0000%;\">LEO, MEO<\/td>\n<td style=\"width: 25.0000%;\">RK409RBNS<\/td>\n<td style=\"width: 25.0000%;\">\n<ul>\n<li><span style=\"font-size: 16px;\">Ultra low ADEV, frequency stability and ageing&nbsp;<\/span><\/li>\n<li><span style=\"font-size: 16px;\">Low phase noise,<\/span><\/li>\n<li><span style=\"font-size: 16px;\">Low sensitivity to acceleration, pressure and magnetic fields<\/span><\/li>\n<\/ul>\n<\/td>\n<td style=\"width: 25.0000%;\">Wide range of LEO\/MEO applications, including Spacecraft systems, Telecom, PNT and EO platforms and payloads<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 25.0000%;\">GEO, Deep Space<\/td>\n<td style=\"width: 25.0000%;\">RK409AV<\/td>\n<td style=\"width: 25.0000%;\">\n<ul>\n<li><span style=\"font-size: 16px;\">Ultra low ADEV,<\/span><\/li>\n<li><span style=\"font-size: 16px;\">Low phase noise,<\/span><\/li>\n<li><span style=\"font-size: 16px;\">Low sensitivity to acceleration, pressure and magnetic fields<\/span><\/li>\n<\/ul>\n<\/td>\n<td style=\"width: 25.0000%;\">Wide range of GEO\/DeepSpace applications, including reference for Hi-Rel Master Reference Oscillators or Frequency Generation Units, precise measurement instruments<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 25.0000%;\">GEO, Deep Space<\/td>\n<td style=\"width: 25.0000%;\">RK409GP<\/td>\n<td style=\"width: 25.0000%;\">\n<ul>\n<li><span style=\"font-size: 16px;\">Wide frequency range,<\/span><\/li>\n<li><span style=\"font-size: 16px;\">Excellent overall performance<\/span><\/li>\n<\/ul>\n<\/td>\n<td style=\"width: 25.0000%;\">Wide range of GEO\/DeepSpace applications, including reference for Hi-Rel Master Reference Oscillators or Frequency Generation Units, precise measurement instruments<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Rakon, a leading manufacturer of frequency control and timing solutions, announced a breakthrough addition to its RK409 series of Ultra Stable OCXOs: the RK409RBNS Ultra Stable Oscillator (USO), a compact, cost-effective alternative to miniature rubidium atomic clocks. For many years, Rakon\u2019s RK409 series has been a trusted choice for space missions, with nearly 200 units [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":"","_links_to":"","_links_to_target":""},"categories":[2],"tags":[123,38,114],"class_list":["post-2445","post","type-post","status-publish","format-standard","hentry","category-news","tag-atomic-clocks","tag-leo","tag-oscillators"],"acf":[],"_links":{"self":[{"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/posts\/2445"}],"collection":[{"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/comments?post=2445"}],"version-history":[{"count":0,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/posts\/2445\/revisions"}],"wp:attachment":[{"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/media?parent=2445"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/categories?post=2445"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/tags?post=2445"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}