Analytical Modeling of Microwave Parametric Upconverters

Analytical Modeling of Microwave Parametric Upconverters

Parametric amplification is a well-studied phenomenon by which a nonlinear reactance mixes an RF large-signal (pump) with an IF small-signal (source) to generate mixing products with gain. In this paper, two analytical models are derived and validated that predict limitations in the gain and efficie...

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Veröffentlicht in:IEEE transactions on microwave theory and techniques 2010-08, Vol.58 (8), p.2118-2124
Hauptverfasser: Gray, Blake, Melville, Bob, Kenney, J Stevenson
Format: Artikel
Sprache:eng
Schlagworte:
Amplification
Amplifier
Amplifiers
Analytical models
Applied sciences
Capacitance
Circuit properties
Circuits
Electric, optical and optoelectronic circuits
Electronic circuits
Electronics
Exact sciences and technology
Frequency
Gain
Gallium nitride
Mathematical analysis
Microwaves
modeling
parametric amplifiers (paramps)
parametric circuits
Performance analysis
Power system modeling
Pumps
Q factor
Reactance
Signal convertors
Signal generators
Theoretical study. Circuits analysis and design
Tuning
Upconverters
Varactors
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Beschreibung
Zusammenfassung:Parametric amplification is a well-studied phenomenon by which a nonlinear reactance mixes an RF large-signal (pump) with an IF small-signal (source) to generate mixing products with gain. In this paper, two analytical models are derived and validated that predict limitations in the gain and efficiency of a parametric upconverter associated with varactor tuning range and quality factor. The analytical models are validated by circuit simulations and by two breadboard upconverters.
ISSN:0018-9480
1557-9670
DOI:10.1109/TMTT.2010.2053064