KEYWORDS: Receivers, Oscillators, Signal to noise ratio, Global Positioning System, Satellites, Interference (communication), Signal attenuation, Doppler effect, Resonators, RF communications
Micro/nanoscale resonator oscillators offer size, weight, and cost advantages to traditional quartz crystal oscillators.
However, they typically cannot produce equivalent performance. Analyses and simulation are used to determine
performance thresholds necessary for application of these devices in communication and navigation radios.
Micro/nanoscale resonator oscillators have been created which use nonlinearities to improve their phase noise. These
devices were used in actual radios to verify analyses and simulation. Measured results have shown radio performance
equivalent to a 236 km communication range increase. A microscale oscillator was successfully used as a frequency
reference in a navigation radio to acquire and track GPS.
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