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

Camarchia, Vittorio, Moreno Rubio, Jorge, Pirola, Marco, Quaglia, Roberto, 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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Abstract

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: 28 May 2019 10:52
URI: http://orca-mwe.cf.ac.uk/id/eprint/88091

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