Noise-Parameter Measurements of SiGe HBTs under Nonlinear Conditions

Chambon, Cédric; Escotte, L.

doi:10.1063/1.2759642

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Modeling Of Oscillators With Passive Resonators1

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2007

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“…This last noise contribution can be simulated using modern CAD tools or, also, can be investigated experimentally in a relatively similar way which is used to find the minimum noise figure of an amplifier. A focused paper on such an approach can be found in this volume [16].…”

Section: Modeling Of Oscillators With Passive Resonatorsmentioning

confidence: 99%

Recent evolutions in low phase noise microwave sources and related problems of noise modeling

Llopis¹,

Gribaldo²,

Chambon³

et al. 2007

AIP Conference Proceedings

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The evolution of spectrally pure microwave sources is described, together with the problem of modeling the spectral shape of these signals. The noise sources interaction with the intrinsic nonlinear behavior of the oscillator is pointed out, and various solutions are proposed. Original techniques are shown to investigate on the phase noise modeling directly at the transistor level. Then, the problem of noise in some new approaches for frequency generation, in which other noise sources than the transistor noise contributes to the oscillator noise, is described.

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Section: Modeling Of Oscillators With Passive Resonatorsmentioning

confidence: 99%