Cardiff behavioral model of a Ka-Band SPDT switch trained on structured minimization of load-pull characterization data

Ghozati, Seyed Urman ORCID: https://orcid.org/0000-0002-6014-5223, Merhabi Azad, Ehsan, Chaudhry, Kauser, Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X and Tasker, Paul J. ORCID: https://orcid.org/0000-0002-6760-7830 2025. Cardiff behavioral model of a Ka-Band SPDT switch trained on structured minimization of load-pull characterization data. Presented at: 2025 International Workshop on Integrated Nonlinear Microwave and Millimetre-Wave Circuits, Torino, Italy, 10-11 April 2025. Proceedings of the International Workshop on Integrated Nonlinear Microwave and Millimetre-Wave Circuits. IEEE, pp. 1-4. 10.1109/INMMIC64198.2025.10975719

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Abstract

This paper demonstrates the Cardiff behavioral model based on the large-signal response of a single pole, double throw switch (SPDT) to realize a tunable reactive termination for advanced power amplifier architectures operating in the Ka-band up to 3 watts. The model was developed using a comprehensive load-pull (LP) characterization dataset comprising 2176 data points. Subsequently, it was trained to replicate this dataset with only 44 input data points, achieving an acceptable accuracy reflected by an NMSE of -33.8 dB.

Item Type:	Conference or Workshop Item (Paper)
Date Type:	Published Online
Status:	Published
Schools:	Schools > Engineering
Publisher:	IEEE
ISBN:	979-8-3315-1961-2
ISSN:	2689-548X
Date of First Compliant Deposit:	13 May 2025
Date of Acceptance:	14 February 2025
Last Modified:	21 May 2025 14:37
URI:	https://orca.cardiff.ac.uk/id/eprint/178242

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