Wideband Doherty Power Amplifier: A Design Approach

This paper presents a simple method to design wideband Doherty power amplifiers (DPAs) based on the synthesis of a combiner network which can mimic the response of an ideal compensation of the device reactive output equivalent network and exploit the maximum power capabilities of the device. Using t...

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Main Authors: Jorge Julián Moreno Rubio, Edison Ferney Angarita Malaver, Luis Ángel Lara González
Format: Article
Language:English
Published: MDPI AG 2022-03-01
Series:Micromachines
Subjects:
Online Access:https://www.mdpi.com/2072-666X/13/4/497
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author Jorge Julián Moreno Rubio
Edison Ferney Angarita Malaver
Luis Ángel Lara González
author_facet Jorge Julián Moreno Rubio
Edison Ferney Angarita Malaver
Luis Ángel Lara González
author_sort Jorge Julián Moreno Rubio
collection DOAJ
description This paper presents a simple method to design wideband Doherty power amplifiers (DPAs) based on the synthesis of a combiner network which can mimic the response of an ideal compensation of the device reactive output equivalent network and exploit the maximum power capabilities of the device. Using the Wolfspeed’s CGH40006 and CG2H40025 GaN HEMT devices, two DPAs were designed and simulated to demonstrate the effectiveness of the proposed approach. In both cases, a 1.4 GHz bandwidth was obtained together with an efficiency higher than 44 and 49% at 6 dB OBO. The saturated output power was higher than 41.2 and 47 dBm over the band, for the DPAs using the CGH40006 and CG2H40025 devices, respectively.
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spelling doaj.art-9bec524716fc4d20aa2678430c156bca2023-12-03T13:43:33ZengMDPI AGMicromachines2072-666X2022-03-0113449710.3390/mi13040497Wideband Doherty Power Amplifier: A Design ApproachJorge Julián Moreno Rubio0Edison Ferney Angarita Malaver1Luis Ángel Lara González2Grupo de Investigación en Telecomunicaciones—GINTEL, Universidad Pedagógica y Tecnológica de Colombia, Sogamoso 152211, ColombiaGrupo de Investigación en Telecomunicaciones—GINTEL, Universidad Pedagógica y Tecnológica de Colombia, Sogamoso 152211, ColombiaInstituto de Recursos Minero-Energéticos—IRME, Universidad Pedagógica y Tecnológica de Colombia, Sogamoso 152211, ColombiaThis paper presents a simple method to design wideband Doherty power amplifiers (DPAs) based on the synthesis of a combiner network which can mimic the response of an ideal compensation of the device reactive output equivalent network and exploit the maximum power capabilities of the device. Using the Wolfspeed’s CGH40006 and CG2H40025 GaN HEMT devices, two DPAs were designed and simulated to demonstrate the effectiveness of the proposed approach. In both cases, a 1.4 GHz bandwidth was obtained together with an efficiency higher than 44 and 49% at 6 dB OBO. The saturated output power was higher than 41.2 and 47 dBm over the band, for the DPAs using the CGH40006 and CG2H40025 devices, respectively.https://www.mdpi.com/2072-666X/13/4/497GaN-based FETswideband Doherty power amplifierbroadband matching networks
spellingShingle Jorge Julián Moreno Rubio
Edison Ferney Angarita Malaver
Luis Ángel Lara González
Wideband Doherty Power Amplifier: A Design Approach
Micromachines
GaN-based FETs
wideband Doherty power amplifier
broadband matching networks
title Wideband Doherty Power Amplifier: A Design Approach
title_full Wideband Doherty Power Amplifier: A Design Approach
title_fullStr Wideband Doherty Power Amplifier: A Design Approach
title_full_unstemmed Wideband Doherty Power Amplifier: A Design Approach
title_short Wideband Doherty Power Amplifier: A Design Approach
title_sort wideband doherty power amplifier a design approach
topic GaN-based FETs
wideband Doherty power amplifier
broadband matching networks
url https://www.mdpi.com/2072-666X/13/4/497
work_keys_str_mv AT jorgejulianmorenorubio widebanddohertypoweramplifieradesignapproach
AT edisonferneyangaritamalaver widebanddohertypoweramplifieradesignapproach
AT luisangellaragonzalez widebanddohertypoweramplifieradesignapproach