Encyclopedia > Rubidium standard

Article Content

Rubidium standard

In telecommunication, a rubidium standard is 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.

Featured Article

Canadian Charter of Rights and Freedoms

... The Canadian Bill of Rights, which the Canadian Parliament enacted in 1960 had many of these rights, but it was only applicable to the federal government and was not ...