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Non-linear large signal PA modelling for switching-mode operation (class-F/continuous class-F)

Paynter, M., Bensmida, S., Morris, K. A., McGeehan, J. P., Akmal, Muhammad, Lees, Jonathan, Benedikt, Johannes, Tasker, Paul J. and Beach, M. 2011. Non-linear large signal PA modelling for switching-mode operation (class-F/continuous class-F). Presented at: 6th European Microwave Integrated Circuits Conference (EuMIC) 2011, Manchester, UK, 10-11 October 2011. Proceedings of the 6th European Microwave Integrated Circuits Conference (EuMIC). Los Alamitos, CA: IEEE, pp. 152-155.

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Abstract

This paper proposes a novel GaN HEMT non-linear model extraction method from small-signal cold S-parameters and large signal waveform measurements, here demonstrated in simulation. These waveform measurements are taken in simple 50Ω conditions, but will be shown to be suitable for switching-mode power amplifier (PA) designs. Class-F and Continuous Class-F switching modes will be demonstrated with this model and verified by comparison with existing work which uses load-pull measurements to achieve the same results.

Item Type: Conference or Workshop Item (Paper)
Date Type: Publication
Status: Published
Schools: Engineering
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Uncontrolled Keywords: Gallium nitride; Microwave amplifiers; Microwave circuits; Microwave integrated circuits; Power amplifiers; Switches
Publisher: IEEE
ISBN: 9781612842363
Last Modified: 04 Jun 2017 04:19
URI: http://orca-mwe.cf.ac.uk/id/eprint/36840

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