Behavioural model extraction using novel multitone active load-pull

Al-Rawachy, Azam, Husseini, Thoalfukar, Benedikt, Johannes ORCID: https://orcid.org/0000-0002-9583-2349, Bell, James ORCID: https://orcid.org/0000-0002-4815-2199 and Tasker, Paul ORCID: https://orcid.org/0000-0002-6760-7830 2019. Behavioural model extraction using novel multitone active load-pull. Presented at: 2019 IEEE MTT-S International Microwave Symposium, IMS 2019, Boston, USA, 2 -7 June 2019. MTT-S International Microwave Symposium (IMS). IEEE, pp. 196-199. 10.1109/MWSYM.2019.8700779

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Abstract

This paper presents a new measurement and data analysis approach for both identifying the required Cardiff behavioural model complexity and directly extracting the associated model coefficients, K p,h,m,n . The technique developed utilizes a multi-tone measurements approach. Load-pull measurements are performed using an engineered multi-tone active load-pull excitation, A 21 (t), that is chosen for its ability to identify the required model complexity. Fast Fourier Transforming (FFT) the device response, B 21 (t), allows the respective model mixing order contributions to be directly observed above the noise floor of the measurement system. Formulating the Cardiff behavioural model in the frequency domain, with this selected multi-tone stimulus, also allows for the first time the direct extraction of the model coefficients.

Item Type:	Conference or Workshop Item (Paper)
Date Type:	Published Online
Status:	Published
Schools:	Engineering
Publisher:	IEEE
ISBN:	9781728113104
ISSN:	0149-645X
Last Modified:	25 Nov 2022 11:54
URI:	https://orca.cardiff.ac.uk/id/eprint/127255

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