Results 21 to 30 of about 4,965,450 (253)

LDMOS power amplifiers with CRLH combiners for LINC transmitters [PDF]

open access: yes, 2006
An outphasing system at 2.14 GHz using LDMOS power amplifiers with an attempt to use composite right/left handed material transmission (CRLH) lines in the combiner part is presented. Linear amplification using nonlinear components (LINC) is a method that
Budimir, D., Koulouzis, H.
core   +1 more source

A 120 W Class-E Power Module with an Adaptive Power Combiner for a 6.78 MHz Wireless Power Transfer System

open access: yesEnergies, 2018
In this article, a highly efficient power module is presented with two class-E power amplifiers and an adaptive power combiner for transmitting output powers >100 W at 6.78 MHz in a wireless power transfer system.
Ui-Gyu Choi, Jong-Ryul Yang
doaj   +1 more source

A Comprehensive Harmonic Analysis of Current-Mode Power Amplifiers

open access: yesEnergies, 2021
This work presents a comprehensive theoretical analysis of current-mode power amplifiers as a function of input power for different biasing classes under the common simplifying assumption of constant transconductance and hard current cut-off/saturation ...
Chiara Ramella   +2 more
doaj   +1 more source

A new approach for non-linear analysis of power amplifiers [PDF]

open access: yes, 2008
This paper presents a new approach for non-linear analysis of power amplifiers based on the n-order polynomial modelling. A general expression for the fundamental frequency output is developed in this paper.
Budimir, D.   +5 more
core   +1 more source

Photonic crystal fiber amplifiers for high power ultrafast fiber lasers

open access: yesNanophotonics, 2013
In recent years, ultrafast laser systems using large-mode-area fiber amplifiers delivering several hundreds of watts of average power has attracted significant academic and industrial interest.
Alkeskjold Thomas T.   +8 more
doaj   +1 more source

Behavioral modeling for digital predistortion of RF power amplifiers: from Volterra series to CPWL functions [PDF]

open access: yes, 2016
The 2016 IEEE Topical Conference on Power Amplifiers for Wireless and Radio Applications ( PAWR), Austin, Texas, United States of America, 24-27 January 2016This paper gives an overview of behavioral modeling for digital predistortion of RF power ...
Zhu, Anding, Anding Zhu
core   +1 more source

Mixture of Experts Approach for Behavioral Modeling of RF Power Amplifiers

open access: yes, 2021
The 2021 IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications (PAWR 2021), Virtual Conference, 17-20 January 2021Piece-wise (PW) behavioral models are commonly adopted when modeling RF power amplifiers (PAs) that ...
Zhu, Anding   +11 more
core   +1 more source

Ultra-High-Bandwidth Power Amplifiers: A Technology Overview and Future Prospects

open access: yesIEEE Access, 2022
Testing of power electronic converters can advantageously be carried out in power-hardware-in-the-loop (P-HIL) environments that emulate the behavior of power grids, electric motors, etc. The interface between the model and the device under test requires
Julian Bohler   +6 more
doaj   +1 more source

GaN-based Power amplifiers for microwave applications

open access: yesIngeniería Investigación y Desarrollo, 2016
This paper presents a discussion about the design strategies of different kind of power amplifiers for RF/Microwave appli- cations, such as the tuned load power amplifier, class F, class F-1 and Doherty.
Jorge Julián Moreno-Rubio   +5 more
doaj   +1 more source

Low-complexity FPGA implementation of Volterra predistorters for power amplifiers

open access: yes, 2022
S.41-44In this paper we present a FPGA design of a digital predistorter (DP) for power amplifiers (PAs) regarding memory effects. As model description the baseband Volterra series are utilized.
Kortke, A.   +3 more
core   +1 more source

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