Results 21 to 30 of about 2,179 (234)

Systematic Design Methodology of Broadband Doherty Amplifier Using Unified Matching/Combining Networks With an Application to GaN MMIC Design

open access: yesIEEE Access, 2021
This paper presents a new design methodology for broadband Doherty architecture using the three-port input and output networks technique. The proposed topology was developed to overcome the Doherty power amplifier (DPA) bandwidth limitations.
A. M. Elelimy Abounemra   +6 more
doaj   +1 more source

A Broadband Doherty Power Amplifier With a New Load Modulation Network

open access: yesIEEE Access, 2021
In this paper, we proposed a new load modulation method to improve bandwidth and efficiency at output power back-off (OBO) of the Doherty Power Amplifier (DPA).
Jingchang Nan   +3 more
doaj   +1 more source

Design of a Load Modulated Balanced Amplifier with a Two-Stage Control Power Amplifier [PDF]

open access: yesJournal of Electromagnetic Engineering and Science, 2023
While an ideal Doherty power amplifier has a linear response, the load modulated balanced amplifier (LMBA) has a compressive response under ideal conditions.
Sagini E. Mochumbe, Youngoo Yang
doaj   +1 more source

Doherty Amplifier Linearity Test for Fifth Generation Signals

open access: yes, 2023
In this paper, the linearity of a fabricated microstrip Doherty amplifier in asymmetrical topology (ADA) is experimentally tested for the fifth generation signals.
Atanasković, Aleksandar   +4 more
core   +1 more source

Platinum Group Element Traces of CAMP Volcanism Associated With Low‐Latitude Environmental and Biological Disruptions

open access: yesGeophysical Monograph Series, Page 263-304., 2021

Exploring the links between Large Igneous Provinces and dramatic environmental impact

An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Jessica H. Whiteside   +3 more
wiley  

+2 more sources

Development Review of Highly Efficient Sequential Power Amplifier with Extended Back-Off Range for Broadband Application

open access: yesEnergies, 2023
Similar to a Doherty power amplifier (DPA), a sequential power amplifier (SPA) is mainly composed of a main amplifier, an auxiliary amplifier and a combiner.
Keyuan Yang   +5 more
doaj   +1 more source

Filtering Doherty power amplifier [PDF]

open access: yesIET Microwaves, Antennas & Propagation, 2020
At present, it is a trend in wireless communication to integrate conventional separate components into a single one for further miniaturisation and whole performance optimisation. In this study, a novel filtering Doherty power amplifier topology is proposed, which incorporates a bandpass power divider for power division.
Xiaobo Qi, Fei Xiao
openaire   +1 more source

Design of a Doherty Power Amplifier in GaN Technology for 5G Applications [PDF]

open access: yes, 2022
openIl numero di dispositivi e utilizzatori di Internet è in costante e rapida crescita. L'accesso ad Internet tramite dispositivi mobili è supportato dalla graduale introduzione del nuovo standard 5G, che permette velocità di trasmissione dati e ...
PARENZAN RUPENA, MARCO
core  

Broadband InGaP/GaAs HBT Doherty Power Amplifier IC Using Direct Interstage Power Division for Compact 5G NR Handset Module

open access: yesIEEE Access, 2023
This paper presents a 2.8-3.8 GHz broadband 2-stage fully differential Doherty power amplifier using direct interstage power division based on a 2- $\mu \text{m}$ InGaP/GaAs HBT process for 5G new radio handset applications.
Hansik Oh   +6 more
doaj   +1 more source

A Novel Integrated Doherty Power Amplifier at 28GHz

open access: yes, 2021
This thesis proposes a novel implementation of a Doherty power amplifier as a means to improve backed off power added efficiency when compared to a class B PA. The proposed Doherty output combiner boasts a 28.5% fractional bandwidth at a center frequency
Korba, Brendan Joseph
core   +1 more source

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