Abstract
The instantaneous quadrature technique is an efficient tool for nonlinear behavioral-level simulation of RF/microwave circuits or systems over wide frequency and dynamic ranges. In order to obtain accurate simulation results, accurate approximation/representation of the nonlinear transfer functions (or factors) as well as accurate measurement (or circuit-level simulation) of the amplitude (AM–AM) and phase (AM–PM) nonlinearities are required. In this paper, we consider how to approximate these transfer functions (factors) using splines, orthogonal and nonorthogonal series expansions, and evolutionary programming techniques (genetic algorithm and neural networks) with viewpoint of the simulation accuracy. The influence of AM–AM and AM–PM measurement (or simulation) inaccuracy and noise on the entire simulation accuracy is also discussed. Series expansion methods are proposed as a tool to filter out the measurement noise. © 2000 John Wiley & Sons, Inc. Int J RF and Microwave CAE 10: 238–252, 2000.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callMore From: International Journal of RF and Microwave Computer-Aided Engineering
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
