Results 11 to 20 of about 35,881 (251)

Design of a Doherty Power Amplifier for GSM Systems

Tikrit Journal of Engineering Sciences, 2011
This paper presents the design and analysis of Doherty power amplifier. The Doherty amplifier is used in a base station for mobile system because of its high efficiency.
Saad Wasmi Osman Luhaib
doaj   +1 more source

Beyond the margins of academic education: identifying translation industry training practices through action research

Translation and Interpreting : the International Journal of Translation and Interpreting Research, 2020
Digital technologies in the translation profession have given rise to the use of automated Computer Assisted Translation (CAT) tools and Machine Translation (MT), and Translation Service Providers are embracing these innovations as part of their ...
Begoña Rodriguez de Céspedes
doaj   +1 more source

Analysis and Design of CMOS Doherty Power Amplifier Based on Voltage Combining Method

IEEE Access, 2017
The impedance at the each input terminal of paper presents a voltage combining Doherty power amplifier in a standard 180-nm CMOS process. This Doherty PA uses a series combining transformer (SCT) to combine the output power and realize the load ...
Chenxi Zhao, Huihua Liu, Yunqiu Wu, Kai Kang   +3 more
doaj   +1 more source

A Current-Mode Multiphase Digital Transmitter With a Single-Footprint Transformer-Based Asymmetric Doherty Output Network

IEEE Open Journal of the Solid-State Circuits Society, 2023
This article introduces a current-mode multiphase digital transmitter with a single-footprint transformer-based asymmetric Doherty output network. The proposed multiphase architecture overcomes the bandwidth expansion associated with the polar power ...
Jay R. Sheth, Linsheng Zhang, Xiaochuan Shen, Vinay Iyer, Steven M. Bowers   +4 more
doaj   +1 more source

Extension of Quasi-Load Insensitive Generalized Class-E Doherty Operation with Complex Load Trajectories

Chips
This paper extends the quasi-load insensitive (QLI) Class-E Doherty power amplifier (PA) design methodology to address Doherty PA combiners with complex load impedance trajectories.
Mehdi Otmani, Ayssar Serhan, Jean-Daniel Arnould, Estelle Lauga-Larroze, Pascal Reynier, Alexandre Giry   +5 more
doaj   +1 more source

Doherty, G. (ed.; 2010), New Geographies 3. Urbanism of color

Investigaciones Geográficas, 2012
Doherty, G. (ed.; 2010), New Geographies 3.
Esteban King Álvarez
doaj   +1 more source

A Broadband Doherty Power Amplifier With a New Load Modulation Network

IEEE 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, Hui Wang, Mifang Cong, Wendong Yang   +3 more
doaj   +1 more source

A 79 GHz SiGe Doherty Power Amplifier Suitable for Next-Generation Automotive Radar

IEEE Journal of Microwaves
The number of environment-detecting sensors inside cars continuously increases, to enable failsafe autonomous driving. With more sensors, the probability of performance degrading interferences increases.
Jan Schoepfel, Tobias T. Braun, Julia Hellwig, Holger Rucker, Nils Pohl   +4 more
doaj   +1 more source

A 3.2–3.6 GHz GaN Doherty Power Amplifier Module Based on a Compact Low-Loss Combiner

Micromachines
In this paper, a 3.2–3.6 GHz two-stage Doherty power amplifier (PA) module is proposed for fifth-generation (5G) massive multiple-input multiple-output (MIMO) base stations.
Xiyu Wang, Dehan Wang, Wenming Li, Xiaolin Lv, Kai Cui, Haijun Liu, Kai Kang   +6 more
doaj   +1 more source

Evolution of Monolithic Technology for Wireless Communications: GaN MMIC Power Amplifiers For Microwave Radios

Micromachines, 2014
This paper presents the progress of monolithic technology for microwaveapplication, focusing on gallium nitride technology advances in the realization of integratedpower amplifiers. Three design examples, developed for microwave backhaul radios, areshown.
Vittorio Camarchia, Marco Pirola, Roberto Quaglia   +2 more
doaj   +1 more source