The Doherty Power Amplifier: Design strategy

Moreno Rubio, Jorge Julian ORCID: https://orcid.org/0000-0003-3376-4464 and Angarita-Malaver, Edison Ferney 2016. The Doherty Power Amplifier: Design strategy. Presented at: 2015 IEEE Thirty Fifth Central American and Panama Convention (CONCAPAN XXXV), Tegucigalpa, Honduras, 11-13 November 2015. 2015 IEEE Thirty Fifth Central American and Panama Convention (CONCAPAN XXXV). IEEE, p. 1. 10.1109/CONCAPAN.2015.7428473

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Abstract

This paper shows a proposal of methodology for designing Doherty Power Amplifiers (DPAs) with arbitrary output-back-off (OBO), main and peak devices. As a demonstration, a 7.5dB OBO DPA has been designed, using two devices from Cree Inc, and simulated in Advanced Design System 2014. The amplifier uses the GaN-HEMT CGH40006 and CGH40010 devices, for main and peak branches, respectively. On the Doherty region, an output power of 25.1W has been obtained together with a gain higher than 15dB, whereas the obtained added efficiency has been demonstrated to be between 57 and 63%.

Item Type:	Conference or Workshop Item (Paper)
Date Type:	Published Online
Status:	Published
Schools:	Schools > Engineering
Publisher:	IEEE
ISBN:	9781467378727
Last Modified:	04 Nov 2022 12:14
URI:	https://orca.cardiff.ac.uk/id/eprint/122381

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