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A low-power 4.6 GHz VCO for Chip-Scale Atomic Clocks

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5 Author(s)
Humble, J.S. ; Special Purpose Processor Dev. Group, Mayo Clinic, Rochester, MN, USA ; Philpott, R.A. ; Gilbert, B.K. ; Daniel, E.S.
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In this paper, we report on the development of a microwave VCO, optimized for Chip Scale Atomic Clock (CSAC) applications. The VCO combines a tunable LC oscillator and a variable-gain output driver on a single integrated circuit. Compared to a conventional LC VCO and passive attenuation network, this work consumes 67% less power and occupies 90% less area on the printed circuit board than the components it replaces, with improved overall CSAC system performance.

Published in:

Frequency Control Symposium (FCS), 2010 IEEE International

Date of Conference:

1-4 June 2010