{"id":2034,"date":"2019-11-30T12:09:18","date_gmt":"2019-11-30T12:09:18","guid":{"rendered":"http:\/\/rktelesystem.com\/rktplgroup\/?p=2034"},"modified":"2019-11-30T13:13:40","modified_gmt":"2019-11-30T13:13:40","slug":"active-hydrogen-frequency-standard","status":"publish","type":"post","link":"https:\/\/rktelesystem.com\/rktplgroup\/active-hydrogen-frequency-standard\/","title":{"rendered":"Active Hydrogen Frequency Standard"},"content":{"rendered":"

We offer a high-performance hydrogen maser with built-in frequency comparator. Extremely frequency stability is provided by state-of-the-art technology. Ideal for high-accuracy measurement applications, particularly, in metrology.<\/p>\n

Key applications<\/b>
\n– National Time Keeping Service;
\n– Deep space tracking and navigation;
\n– VLBI systems;
\n– Scientific researches.<\/p>\n

Specification<\/b><\/div>\n

Output signals:<\/b>
\n– Sine: 5 MHz; 10 MHz; 100 MHz; (1\u00b10.2) V RMS into 50 \u03a9 load;
\n– Pulse: 1 Hz (pps), positive polarity, amplitude: >2.5 V into 50 \u03a9 load;
\n– width: 15\u00b15 \u00b5s; rise time:<10 ns.<\/p>\n

Metrological characteristics are given in the table:<\/b><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Relative frequency accuracy<\/b><\/td>\n\u00b13\u00d710\u221213<\/sup>
\n(factory calibration)<\/td>\n<\/tr>\n
Output signals frequency corrector<\/b><\/td>\nresolution
\nreturning range<\/td>\n		1\u00d710\u221215<\/sup>
\n1\u00d710\u221210<\/sup><\/td>\n<\/tr>\n
Frequency stability (Allan deviation at (25\u00b11)\u00b0C,
\nenvironmental effects are excluded)<\/b><\/td>\n		1 s<\/td>\n\u22642.0\u00d710\u221213<\/sup><\/td>\n<\/tr>\n
10 s<\/td>\n\u22642.0\u00d710\u221214<\/sup><\/td>\n<\/tr>\n
100 s<\/td>\n\u22647.0\u00d710\u221215<\/sup><\/td>\n<\/tr>\n
1000 s<\/td>\n\u22643.0\u00d710\u221215<\/sup><\/td>\n<\/tr>\n
1 hour<\/td>\n\u22641.5\u00d710\u221215<\/sup><\/td>\n<\/tr>\n
1 day<\/td>\n\u22642.0\u00d710\u221215<\/sup><\/td>\n<\/tr>\n
Long term frequency stability<\/b><\/td>\n<1.0\u00d710-15<\/sup>\/day
\nAchieved in cavity autotuning mode together with
\nanother identical maser.<\/td>\n<\/tr>\n
Phase noise spectral density (dBc\/Hz)
\n(5 MHz output)<\/b><\/td>\n		Frequency offset<\/td>\nSpectral density<\/td>\n<\/tr>\n
1 Hz<\/td>\n\u2264\u2212118<\/td>\n<\/tr>\n
10 Hz<\/td>\n\u2264\u2212135<\/td>\n<\/tr>\n
100 Hz<\/td>\n\u2264\u2212149<\/td>\n<\/tr>\n
1000 Hz<\/td>\n\u2264\u2212156<\/td>\n<\/tr>\n
Manual synchronization to external 1 pps
\nTTL signal accuracy<\/b><\/td>\n		\u2264\u00b150 ns<\/td>\n<\/tr>\n
Temperature sensitivity in operating
\ntemperature range (+10\u00f7+35) \u00b0C<\/b><\/td>\n		\u2264\u00b13\u00d710\u221215<\/sup>\u00a01\/\u00b0C<\/td>\n<\/tr>\n
Magnetic sensitivity<\/b><\/td>\n\u2264\u00b11\u00d710\u221214<\/sup>\u00a01\/Oersted<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Full data monitoring and functions control<\/b>\u00a0(local or remote through any network) performs by personal computer.
\nSoftware\u00a0<\/b>running under Microsoft Windows 2000, XP, Vista 7 is applied.
\nPower:\u00a0<\/b>220 V, 50 Hz AC; or (22\u00f730) V DC.
\nPower consumption:\u00a0<\/b>150 VA AC, 100 W DC.
\nDimensions (W\u00d7H\u00d7D): 550\u00d7990\u00d7550 mm.<\/b>
\nWeight:\u00a0<\/b>95 kg.
\nWarranty:\u00a0<\/b>3 years.
\nLive time:<\/b>15 years.<\/p>\n

Ready to learn more?\u00a0Contact us<\/a> to find the right configuration for your Active Hydrogen Maser needs.<\/p>\n","protected":false},"excerpt":{"rendered":"

We offer a high-performance hydrogen maser with built-in frequency comparator. Extremely frequency stability is provided by state-of-the-art technology. Ideal for […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"sfsi_plus_gutenberg_text_before_share":"","sfsi_plus_gutenberg_show_text_before_share":"","sfsi_plus_gutenberg_icon_type":"","sfsi_plus_gutenberg_icon_alignemt":"","sfsi_plus_gutenburg_max_per_row":"","footnotes":""},"categories":[18],"tags":[],"class_list":["post-2034","post","type-post","status-publish","format-standard","hentry","category-time-synchronization"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/rktelesystem.com\/rktplgroup\/wp-json\/wp\/v2\/posts\/2034","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rktelesystem.com\/rktplgroup\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rktelesystem.com\/rktplgroup\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rktelesystem.com\/rktplgroup\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/rktelesystem.com\/rktplgroup\/wp-json\/wp\/v2\/comments?post=2034"}],"version-history":[{"count":0,"href":"https:\/\/rktelesystem.com\/rktplgroup\/wp-json\/wp\/v2\/posts\/2034\/revisions"}],"wp:attachment":[{"href":"https:\/\/rktelesystem.com\/rktplgroup\/wp-json\/wp\/v2\/media?parent=2034"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rktelesystem.com\/rktplgroup\/wp-json\/wp\/v2\/categories?post=2034"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rktelesystem.com\/rktplgroup\/wp-json\/wp\/v2\/tags?post=2034"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}