Secondary frequency standard
id:
secondary-frequency-standard-220-2226
title:
Secondary frequency standard
text:
In telecommunications, a secondary frequency standard is a frequency standard that does not have inherent accuracy, and therefore must be calibrated against a primary frequency standard. Secondary standards include crystal oscillators and rubidium standards. A crystal oscillator depends for its frequency on its physical dimensions, which vary with fabrication and environmental conditions. A rubidium standard is a secondary standard even though it uses atomic transitions, because it takes the for
brand slug:
wiki
category slug:
encyclopedia
description:
Standards in electronics and telecommunications
original url:
https://en.wikipedia.org/wiki/Secondary_frequency_standard
date created:
2002-02-26T00:11:02Z
date modified:
2024-09-13T17:31:32Z
main entity:
{"identifier":"Q16948636","url":"https://www.wikidata.org/entity/Q16948636"}
image:
fields total:
13
integrity:
15