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On the load-pull effect in MMIC oscillator measurements

  • Low phase-noise MMIC oscillators are key components for microwave and nun-wave systems. As a consequence, phase-noise measurements of these circuits have become a subject of growing interest and importance. This paper demonstrates that MMIC oscillator circuits with their relatively low Q factors are prone to specific measurement errors. Caused by a load-pull effect, the measurement system can become part of the oscillator, which yields phase-noise data significantly below reality. Special care has to be taken in order to avoid such phenomena.

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Metadaten
Author: Matthias Schott, Friedrich LenkGND, Peter Heymann
DOI:https://doi.org/10.1109/EUMC.2003.1262295
ISBN:1-58053-834-7
Title of the source (English):33rd European Microwave Conference, 7 - 9th October 2003, ICM, Munich, Germany, Vol. 1
Publisher:London
Place of publication:Korizon House Publ.
Document Type:Conference Proceeding
Language:English
Year of publication:2003
First Page:367
Last Page:370
Faculty/Chair:Fakultät 3 Maschinenbau, Elektro- und Energiesysteme / FG Nachrichtentechnik
Institution name at the time of publication:Fakultät für Ingenieurwissenschaften und Informatik (eHL) / Prof. Nachrichtentechnik
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