Long-term aging of oscillators

The authors report aging results for more than 40 oscillators, from a variety of sources, for periods ranging from 1 yr to more than 10 yr. The aging data were accumulated with an automated aging facility. The oscillators that have been tested include temperature-compensated crystal oscillators (TCX...

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Bibliographic Details
Published inIEEE transactions on ultrasonics, ferroelectrics, and frequency control Vol. 40; no. 4; pp. 387 - 394
Main Authors Filler, R.L., Vig, J.R.
Format Journal Article
LanguageEnglish
Published New York, NY IEEE 01.07.1993
Institute of Electrical and Electronics Engineers
Subjects
Aging
Automatic control
Electric shock
Exact sciences and technology
Frequency
General equipment and techniques
Instruments, apparatus, components and techniques common to several branches of physics and astronomy
Oscillators
Performance evaluation
Physics
Prototypes
Temperature control
Temperature sensors
Testing
Transducers
Oscillator
Ageing
Quartz oscillator
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Summary:The authors report aging results for more than 40 oscillators, from a variety of sources, for periods ranging from 1 yr to more than 10 yr. The aging data were accumulated with an automated aging facility. The oscillators that have been tested include temperature-compensated crystal oscillators (TCXOs) and oven-controlled crystal oscillators (OCXOs). The TCXOs were maintained in a controlled temperature environment. Several of the TCXOs were built for a gun-launched sensor application and have been shown to be capable of surviving more than 30000-g shock levels of 12-ms duration. The aging results for these ruggedized TXCOs are surprisingly good (<2*10/sup -10//d). The better OCXOs exhibit long term aging of a few parts in 10/sup 12//d.< >
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ISSN:0885-3010
1525-8955
DOI:10.1109/58.251287