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Which high-precision clock to choose for high performance and competitive OBN?Normal access

Authors: Cyril Boissy and Nicolas Vorobyev
Journal name: First Break
Issue: Vol 37, No 11, November 2019 pp. 63 - 66
DOI: 10.3997/1365-2397.2019038
Language: English
Info: Article, PDF ( 1.19Mb )
Price: € 30

Summary:
Two different high-precision clock technologies are available for OBN manufacturers: OCXO clocks and CSAC clocks. The CSAC clock is being pushed by the oil majors, although it is extremely expensive. Technological progress is being made by the OCXO manufacturers. Their attractive price and their better market availability make them an attractive compromise for the OBN manufacturers who wish to segment their OBN product offerings besides their CSAC-based OBN. OCXO and CSAC clocks’ key parameters and performances are reviewed below. Their advantages and limitations, both technically, economically and strategically, are studied. This article presents the latest advances in the field of OCXO. An effective benchmark between CSAC and OCXO is presented to demonstrate when it may be more advantageous to choose a CSAC or an OCXO as the reference precision clock for OBN.


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