Load-modulated balanced amplifier: from first invention to recent development

Quaglia, Roberto ORCID: https://orcid.org/0000-0003-3228-301X, Pang, Jingzhou, Cripps, Steve C. ORCID: https://orcid.org/0000-0002-2258-951X and Zhu, Anding 2022. Load-modulated balanced amplifier: from first invention to recent development. IEEE Microwave Magazine 23 (12) , pp. 60-70. 10.1109/MMM.2022.3203940

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Abstract

The RF power amplifier (PA) is a unit in wireless transmitters that strengthens the signal to combat losses in transmission by converting dc electric power to the added RF output power. Over the past decades, with the rapid development of wireless communications, high-efficiency PA design has become one of the most popular topics in both academic research and industrial development as the PA consumes a high portion of the transmitter energy, and thus its power efficiency directly impacts the system performance. In addition, because the PA is the main source of distortion generated by the transmitter, linearity is another concern in PA design, particularly in wideband systems [1] .

Item Type:	Article
Date Type:	Published Online
Status:	Published
Schools:	Engineering
Publisher:	Institute of Electrical and Electronics Engineers
ISSN:	1527-3342
Date of First Compliant Deposit:	13 January 2023
Last Modified:	03 May 2023 05:18
URI:	https://orca.cardiff.ac.uk/id/eprint/154324

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