Encyclopedia > Principal clock

Article Content

Principal clock

Principal clock: Of a set of redundant clocks, the clock that is selected for normal use.

Note 1: The principal clock may be selected because of a property, e.g., superior accuracy, that makes it a unique member of the set.

Note 2: The term "principal clock" should not be confused with, or used as a synonym for, the term "primary frequency standard[?]."

Source: from Federal Standard 1037C and from MIL-STD-188

All Wikipedia text is available under the terms of the GNU Free Documentation License

Search Encyclopedia

Search over one million articles, find something about almost anything!

Featured Article

Reformed churches

... Church[?] (1938 from the Northern PCUSA) Presbyterian Church in America[?] (1973 from the Southern PCUS) Evangelical Presbyterian Church[?] (1980 from Northern UPC ...