DC-dependent Cardiff model from modulated supply and load-pull data

Azad, Ehsan M., Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Bell, James J. ORCID: https://orcid.org/0000-0002-4815-2199, Chaudhry, Kauser and Tasker, Paul J. ORCID: https://orcid.org/0000-0002-6760-7830 2022. DC-dependent Cardiff model from modulated supply and load-pull data. Presented at: 2022 Asia-Pacific Microwave Conference (APMC), Yokohama, Japan, 29 November 2022 - 02 December 2022. Proceedings of 2022 Asia-Pacific Microwave Conference (APMC). IEEE, pp. 181-183. 10.23919/APMC55665.2022.9999796

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Abstract

This paper presents analysis of Fourier transferred dataset to accurately extract a DC-dependent Cardiff nonlinear behavioral model. The analysis is based on simulation data of a 10 W GaN high electron mobility transistor (HEMT) at 3.5 GHz. Tailored load-pull data were collected over a modulated gate and drain voltages ranging from −3.0 V to −2.0 V and 15 V to 30 V, respectively. The extracted model coefficients are capable of accurately predicting the load-pull data with normalized-mean-square-error (NMSE) value of less than −40 dB.

Item Type:	Conference or Workshop Item (Paper)
Date Type:	Publication
Status:	Published
Schools:	Engineering
Publisher:	IEEE
Last Modified:	06 May 2023 01:13
URI:	https://orca.cardiff.ac.uk/id/eprint/157511

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