Symmetricom Atomic Clock
Symmetricom was one of the only two world's commercial supplier of cesium atomic clocks - the other one is Oscilloquartz, in Switzerland. By weighted average, Symmetricom atomic clocks contributed over 90 of UTC Coordinated Universal Time, the world time standard.
The authors wish to thank Mike Garvey, of the Symmetricom TRC, and John McElroy of Draper Laboratory, for supporting and directing this effort. We are also thankful for the technical and theoretical support provided by Don Emmons and Peter Vlitas of the Symmetricom TRC.
The Symmetricom Chip-Scale Atomic Clock CSAC is the worlds smallest, lowest power atomic clock technology. The low power consumption of the CSAC, less than 125 mW, enables atomic timing accuracy in portable, battery-powered applications.
Chip-scale atomic clocks CSAC have components comparable in size to the integrated circuits quotchipsquot used in modern electronic equipment.
Someday an atomic clock might even fit into a smartphone. Earlier this year, Symmetricom, of San Jose, Calif., introduced the first commercial chip-scale atomic clock, the SA.45s.
Object Details Symmetricom, Incorporated Description Chip-scale atomic clocks CSAC have components comparable in size to the integrated circuits quotchipsquot used in modern electronic equipment. They were first developed by the Defense Advanced Research Projects Agency DARPA and the National Institute of Standards and Technology NIST in
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NIST researcher John Kitching talks about the invention of chip-scale atomic clocks and its success. NIST Contributions NIST inventor John Kitching began working on parts of the CSAC technology in 1999. He recalled that throughout the 1990s, several groups were developing compact atomic clocks to meet demand created by growing numbers of cellphone base stations. Kitching and his former group
Symmetricom's customers, from communications service providers and network equipment manufacturers to governments and their suppliers worldwide, are able to build more reliable networks and systems by using the company's advanced timing technologies, atomic clocks, services and solutions.
THE SA.45S CHIP-SCALE ATOMIC CLOCK 2011 Stanford PNT Symposium November 18, 2011 Menlo Park, CA Robert Lutwak Symmetricom - Technology Realization Center email160protected
The Chip Scale Atomic Clock CSAC-SA65 provides wide operating temperatures, fast warm-upatomic-lock and superior frequency stability in extreme environments. Suitable for military and industrial systems requiring ultra-high precision and low-power consumption. The SA65 is form-, fit- and function-compatible with the CSAC-SA.45s, while improving performance and environmental insensitivity.
