COMPOSITE OSCILLATOR SYSTEMS FOR MEETING USER NEEDS FOR TIME AND FREQUENCY

S.R. Stein, F.L. Walls

Abstract:	Frequency standards are used in most navigation and telecommunications systems to provide long term memory of either frequency, phase, time epoch. From a systems point of view, the performance aspects of the frequency standard can be weighed against other systems characteristics, such as overall performance, cost, size, and accessibility: a number of examples are very briefly reviewed. The theory of phase lock and frequency lock systems is outlined in sufficient detail that one can easily predict total Oscillator System Performance from measurements on the individual components. As an example, details of the performance of high spectral purity oscillator phase Socked a long term stable oscillator are given Results for several systems, including the best system stability that can be obtained from present commercially available 3-MHZ sources, are shown.
Published in:	Proceedings of the 10th Annual Precise Time and Time Interval Systems and Applications Meeting November 28 - 30, 1978 Goddard Space Flight Center Greenbelt, Maryland
Pages:	17 - 35
Cite this article:	Stein, S.R., Walls, F.L., "COMPOSITE OSCILLATOR SYSTEMS FOR MEETING USER NEEDS FOR TIME AND FREQUENCY," Proceedings of the 10th Annual Precise Time and Time Interval Systems and Applications Meeting, Greenbelt, Maryland, November 1978, pp. 17-35.
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