Novel Nonlinear Model for Rapid Waveform-based Extraction Enabling Accurate High Power PA Design

Benedikt, Johannes ORCID: https://orcid.org/0000-0002-9583-2349, Qi, Hao and Tasker, Paul J ORCID: https://orcid.org/0000-0002-6760-7830 2007. Novel Nonlinear Model for Rapid Waveform-based Extraction Enabling Accurate High Power PA Design. Presented at: IEEE MTT-S International Microwave Symposium Digest 2007, 10.1109/MWSYM.2007.380246

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Abstract

This paper presents a new large signal modeling technique that makes substantial extension to the polyharmonic distortion (PHD) model concept. The extension accounts for the influence of traveling wave a2 magnitude presented on the output port on the variation of S and T parameters. The inherent relationship between a2 and the S and T parameters has been illustrated theoretically and experimentally. Automated extraction procedure for the extended PHD model is developed which directly utilizes large-signal waveform data. The resulting model was implemented in ADS showing very good agreement with measurement data on a 100 W LDMOS device.

Item Type:	Conference or Workshop Item (Paper)
Date Type:	Publication
Status:	Published
Schools:	Engineering
Uncontrolled Keywords:	Design automation , measurement system data handling , microwave measurements , nonlinear systems , power amplifiers
ISSN:	0149-645X
Last Modified:	17 Oct 2022 09:03
URI:	https://orca.cardiff.ac.uk/id/eprint/1909

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