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Wideband, High Efficiency, High Power GaN Amplifiers, Using MIC and Quasi-MMIC Technologies, in the 1-4GHz range.

Abstract : In this paper, the designs and experimental performances of wideband (higher than one octave) High efficiency, High Power Amplifiers (HPA) working in the 1-4 GHz range, using the same GaN process, are presented. They are based on the Bode-Fano integrals which can be applied to a trade-off calculation between bandwidth and efficiency. Firstly, a MIC wideband HPA, externally matched is presented. It generates a CW output power (Pout) greater than 40W, a Power Gain (GP) higher than 9.2dB and a corresponding Power Added Efficiency (PAE) (Drain Efficiency (DE)) ranged between 36-44% (40-48%) over the 1-3GHz bandwidth. Two other amplifiers have been designed upon the same theoretical methodology, with a passive GaAs MMIC circuit technology, enabling to reduce the final size down to 420mm2. The first internally matched Quasi-MMIC single ended HPA generates a Pulsed Pout greater than 25W, GP higher than 9.8dB and a corresponding PAE (DE) ranged between 37-52.5% (40-55%) over the 2-4GHz bandwidth. The second internally matched Quasi-MMIC HPA, based on balanced architecture, generates a pulsed Pout higher than 45W, GP higher than 9.5dB and PAE (DE) ranged between 33-44% (38-50%) over the 2-4GHz bandwidth. These results are among the best ones published in terms of PAE and Pout in instantaneous octave bandwidth in the 1 to 4 GHz frequency range.
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https://hal-unilim.archives-ouvertes.fr/hal-00935350
Contributeur : Denis Barataud <>
Soumis le : jeudi 23 janvier 2014 - 13:52:34
Dernière modification le : mardi 28 avril 2020 - 09:28:02

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  • HAL Id : hal-00935350, version 1

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Chamssedine Berrached, Diane Bouw, Marc Camiade, Kassem El-Akhdar, Denis Barataud, et al.. Wideband, High Efficiency, High Power GaN Amplifiers, Using MIC and Quasi-MMIC Technologies, in the 1-4GHz range.. International Journal of Microwave and Wireless Technologies, Cambridge University Press/European Microwave Association 2014, ? (?), 25p. ⟨hal-00935350⟩

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