ATIS Telecom Glossary
Wednesday, July 30, 2014

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rubidium standard
A frequency standard in which a specified hyperfine transition of electrons in rubidium-87 atoms is used to control the output frequency. Note: A rubidium standard consists of a gas cell, which has an inherent long-term instability. This instability relegates the rubidium standard to its status as a secondary standard.

 

 

 

 

 

 

 

 

 

 



 
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