Journal ArticleDOI
Broad-band poly-harmonic distortion (PHD) behavioral models from fast automated simulations and large-signal vectorial network measurements
David E. Root,Jan Verspecht,David D. Sharrit,John Wood,A. Cognata +4 more
- Vol. 53, Iss: 11, pp 3656-3664
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TLDR
The derived model is valid for both small and large amplitude drive signals, correctly predicts even and odd harmonics through cascaded chains of functional blocks, simulates accurately load-pull behavior away from 50 /spl Omega/, and predicts adjacent channel power ratio and constellation diagrams in remarkably close agreement to the circuit model from which the behavioral model was derived.Abstract:
We present an optimal experiment design methodology and a superior and fully automated model generation procedure for identifying a class of broad-band multiharmonic behavioral models in the frequency domain. The approach reduces the number of nonlinear measurements needed, minimizes the time to generate the data from simulations, reduces the time to extract the model functions from data, and when used for simulation-based models, takes maximum advantage of specialized simulation algorithms. The models have been subject to extensive validation in applications to real microwave integrated circuits. The derived model is valid for both small and large amplitude drive signals, correctly predicts even and odd harmonics through cascaded chains of functional blocks, simulates accurately load-pull behavior away from 50 /spl Omega/, and predicts adjacent channel power ratio and constellation diagrams in remarkably close agreement to the circuit model from which the behavioral model was derived. The model and excitation design templates for generating them from simulations are implemented in Agilent Technologies' Advanced Design System.read more
Citations
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Journal ArticleDOI
Polyharmonic distortion modeling
Verspecht,David E. Root +1 more
TL;DR: The PHD model as discussed by the authors is a black-box frequency-domain model that provides a foundation for measurement, modeling, and simulation of driven nonlinear systems, including compression, AM-PM, harmonics, load-pull, and timedomain waveforms.
Journal ArticleDOI
What is Nonreciprocity
Christophe Caloz,Andrea Alù,Sergei A. Tretyakov,Dimitrios L. Sounas,Karim Achouri,Zoé-Lise Deck-Léger +5 more
TL;DR: In this article, a general definition of non-reciprocity and classification of nonreciprocal systems according to their linear time invariant (LTI), linear time variance (LTV) or nonlinear non-rewarding natures are provided.
Journal ArticleDOI
Waveform Inspired Models and the Harmonic Balance Emulator
Paul J. Tasker,Johannes Benedikt +1 more
TL;DR: In this article, the authors present a power amplifier design with a practical harmonic balance capability at the device measurement stage, which brings a number of advantages and challenges, such as better exchanges between both sides and going beyond showing either very accurate, highly tuned device models, or using the device model as the traditional scapegoat for unsuccessful PA designs.
Journal ArticleDOI
Large-signal network analysis
TL;DR: I hope with this article to inspire you to join this rapidly growing LSNA community that is improving microwave measurements and is on its way to building a multimillion dollar business.
Journal ArticleDOI
Practical waveform engineering
TL;DR: RF I-V waveform measurement and engineering systems are now finally enabling practical waveform engineering to be directly undertaken with systems capable of supporting continuous wave stimulus reaching a high level of maturity.
References
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Proceedings ArticleDOI
Calibrated vectorial nonlinear-network analyzers
T. Van den Broeck,Jan Verspecht +1 more
TL;DR: In this paper, a vectorial nonlinear network analyzer is used to detect the phase and amplitude of all frequency components of the incident and the scattered waves in a nonlinear microwave device under test.
Proceedings ArticleDOI
Mixer-based, vector-corrected, vector signal/network analyzer offering 300kHz-20GHz bandwidth and traceable phase response
TL;DR: In this article, the authors describe an instrument that uses directional bridges and a five-channel, mixer-based receiver to make vector-corrected measurements of signals from 0.3MHz to 20GHz.
Journal ArticleDOI
A behavioral modeling approach to nonlinear model-order reduction for RF/microwave ICs and systems
TL;DR: In this paper, an approach to nonlinear model-order reduction for RF/microwave integrated circuits (ICs) from the perspective of "black-box" behavioral modeling is presented.
Book
Fundamentals of nonlinear behavioral modeling for RF and microwave design
John Wood,David E. Root +1 more
TL;DR: This paper presents a meta-modelling framework for Behavioral Modeling from the Perspective of Nonlinear Dynamics: Time Domain Techniques and some examples of this model include Volterra Series Analysis and mixed time and frequency domain methods.
Journal ArticleDOI
Linearization of large-signal scattering functions
TL;DR: In this paper, a linearization of large-signal scattering functions is proposed to describe weakly nonlinear device behavior, and the linearization takes on a convenient form similar to scattering parameters that clearly illustrates the role of phaseconjugated mixing products in the theory.
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