Single-ended and balanced frequency doublers 2.45 to 4.9 GHz using GaN FETs

Morales-Fernandez, Ainhoa, Marante-Boado, Maria, Toimil-Cornado, Pedro, Fernandez-Barciela, Monica, Martin-Rodriguez, Fernando and Tasker, Paul J. ORCID: https://orcid.org/0000-0002-6760-7830 2024. Single-ended and balanced frequency doublers 2.45 to 4.9 GHz using GaN FETs. Presented at: 54th European Microwave Conference (EuMC), Paris, France, 24-26 September 2024. 2024 54th European Microwave Conference (EuMC). IEEE, pp. 1042-1045. 10.23919/eumc61614.2024.10732057

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Abstract

In this work, hybrid GaN-based single-ended and balanced active frequency doubler prototypes, from 2.45 to 4.9 GHz, have been designed. To minimize the balanced topology area, the Moore space-filling curve has been used in the design of the 180º hybrid coupler. Conversion gain exceeds 10 dB in all the measured single-ended prototypes and no amplification stage was required. Balanced design obtained in simulation 11.3 dB of conversion gain and 26.3 dBm of output power whereas the fundamental frequency suppression exceeds 38 dBc.

Item Type:	Conference or Workshop Item (Paper)
Date Type:	Published Online
Status:	Published
Schools:	Engineering
Publisher:	IEEE
ISBN:	978-2-87487-077-4
Last Modified:	11 Nov 2024 10:45
URI:	https://orca.cardiff.ac.uk/id/eprint/173808

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