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High-Efficiency 7 GHz Doherty GaN MMIC Power Amplifiers for mackhaul radio links

Camarchia, Vittorio, Moreno Rubio, Jorge ORCID:, Pirola, Marco, Quaglia, Roberto ORCID:, Colantonio, Paolo, Giannini, Franco, Giofre, Rocco, Piazzon, Luca, Emanuelsson, Thomas and Wegeland, Tobias 2013. High-Efficiency 7 GHz Doherty GaN MMIC Power Amplifiers for mackhaul radio links. IEEE Transactions of Electron Devices 60 (10) , pp. 3592-3595. 10.1109/TED.2013.2274669

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The potentialities of GaN monolithic technology for the growing microwave backhaul power amplifier market are discussed in this paper. To support this discussion, two GaN monolithic Doherty power amplifiers for 7 GHz backhaul applications are presented. They exhibit 5 W output power, with almost 10 dB gain and high efficiency at 7 dB output power back-off. In particular, one module has been optimized for maximum efficiency at center frequency (47% at 7 dB output power back-off), while the other for high efficiency on a larger bandwidth (15% fractional bandwidth).

Item Type: Article
Date Type: Publication
Status: Published
Schools: Engineering
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Publisher: IEEE
ISSN: 0018-9383
Last Modified: 01 Nov 2022 09:29

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