A novel method for determining the phase-noise behavior of resonator-oscillators

Michael H. W. Hoffmann

doi:10.1117/12.609318

23 May 2005 A novel method for determining the phase-noise behavior of resonator-oscillators

Michael H. W. Hoffmann

Proceedings Volume 5847, Noise in Communication Systems; (2005) https://doi.org/10.1117/12.609318
Event: SPIE Third International Symposium on Fluctuations and Noise, 2005, Austin, Texas, United States

Abstract

A novel approach to the theory of phase-noise in resonator-oscillators will be given that is based on a combination of a large-signal-small-signal method, harmonic balance, and a modified Rice-model of signals plus noise. The method will be explained using a simple example. Since the type of oscillator under consideration not only de-attenuates eigen-oscillations but also noise in the spectral vicinity of the eigen-frequency, a signal is generated that is quasi-harmonic, and that might be described by means of a pseudo-Fourier-series expansion. Due to the specific description of the internal noise-sources, it is possible to use a time-domain description that at the same time reveals information about the spectral components of the signal. By comparison of these components, the spectrum of the oscillation might be determined. Relations between the spectrum of internal noise sources and the generated oscillator-signal will be recognized. The novel method will thus enable the designer to predict the phase-noise behavior of a specific oscillator-design.

Citation Download Citation

Michael H. W. Hoffmann "A novel method for determining the phase-noise behavior of resonator-oscillators", Proc. SPIE 5847, Noise in Communication Systems, (23 May 2005); https://doi.org/10.1117/12.609318

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