Archivio Istituzionale della RicercaThis paper addresses the critical weakness of the conventional Doherty Power Amplifier when targeting wideband and deep back-off operation. A load modulation network with a good trade-off between complexity and performance enhancement is proposed for broadband operation around 9-dB back-off. As an initial assessment, its effectiveness in enhancing the performance in broadband operation has been proven using linear simulations.
Challenges of 9-dB Back-Off Doherty Power Amplifiers with 20% Fractional Bandwidth / Zhang, Zhifan; Piacibello, Anna; Camarchia, Vittorio. - ELETTRONICO. - (2025), pp. 132-141. (Intervento presentato al convegno SIE 2024 55th Annual Meeting of the Italian Electronics Society tenutosi a Genova (Ita) nel 26-28 June, 2024) [10.1007/978-3-031-71518-1_16].
Challenges of 9-dB Back-Off Doherty Power Amplifiers with 20% Fractional Bandwidth
Zhang, Zhifan;Piacibello, Anna;Camarchia, Vittorio
2025
Abstract
This paper addresses the critical weakness of the conventional Doherty Power Amplifier when targeting wideband and deep back-off operation. A load modulation network with a good trade-off between complexity and performance enhancement is proposed for broadband operation around 9-dB back-off. As an initial assessment, its effectiveness in enhancing the performance in broadband operation has been proven using linear simulations.
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https://hdl.handle.net/11583/2996191