Results 161 to 170 of about 134,248 (260)

Prospective evaluation of spinal reflex excitability and perceived ankle instability following acute lateral ankle sprain in collegiate basketball players. [PDF]

BMC Sports Sci Med Rehabil
Terada M, Taniyama D, Isaka T.
europepmc   +1 more source

The spread of mind: psychological contagion in theory and critique. [PDF]

Front Psychol
Houran J, Dagnall N, Sapkota RP, Lange R.   +3 more
europepmc   +1 more source

Efficient Neural Networks on the Edge with FPGAs by Optimizing an Adaptive Activation Function. [PDF]

Sensors (Basel)
Jiang Y, Vaicaitis A, Dooley J, Leeser M.   +3 more
europepmc   +1 more source

Towards the yin and yang of fish locomotion: linking energetics, ecology and mechanics through field and lab approaches.

J Exp Biol
Liao JC.
europepmc   +1 more source

A review of GaN RF devices and power amplifiers for 5G communication applications. [PDF]

Fundam Res
Lu H, Zhang M, Yang L, Hou B, Martinez RP, Mi M, Du J, Deng L, Wu M, Chowdhury S, Ma X, Hao Y.   +11 more
europepmc   +1 more source

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The Doherty power amplifier

IEEE Microwave Magazine, 2006
In this article, we show that the Doherty amplifier is capable of delivering the stringent requirements of the base station power amplifiers. We explain the operation principles, including both linearity and efficiency improvements, and the basic circuit configuration of the amplifier.
Kim, B, Kim, J, Kim, I, Cha, JH
openaire   +4 more sources

Voltage Mode Doherty Power Amplifier

IEEE Journal of Solid-State Circuits, 2017
This paper presents a new wideband Doherty amplifier technique that can achieve high efficiency while maintaining excellent linearity. By modifying a “forgotten” topology originally proposed by Doherty, a new Doherty amplifier architecture is realized with two voltage mode power amplifiers (PAs) and transformers, thus eliminating a narrowband impedance
Voravit Vorapipat, Cooper S. Levy, Peter M. Asbeck   +2 more
openaire   +3 more sources

A review of Doherty power amplifier and load modulated balanced amplifier for 5G technology

International journal of circuit theory and applications, 2023
In this paper, functionality of the Doherty power amplifiers (DPAs) along with their design constraints such as DPA combining techniques are reviewed.
Saeedeh Makhsuci, Seyedeh Masoumeh Navidi, M. Sanduleanu, Mohammed Ismail   +3 more
semanticscholar   +1 more source

Broadband Doherty power amplifiers

2013 IEEE Topical Conference on Power Amplifiers for Wireless and Radio Applications, 2013
In this paper, the transformer-less load-modulated (TLLM) architecture for designing broadband Doherty amplifiers is presented. In this architecture, the quarter-wave impedance transformers of the Doherty amplifier are not used. As a result, the design will be much more compact and large operational bandwidths can be obtained.
Mohammadhassan Akbarpour, Mohamed Helaoui, Fadhel M. Ghannouchi   +2 more
openaire   +1 more source

A Millimeter-Wave Three-Way Doherty Power Amplifier for 5G NR OFDM

IEEE Journal of Solid-State Circuits, 2023
This article presents a millimeter-wave (mmWave) three-way Doherty output network and its silicon implementation at 38 GHz for 5G new radio (NR) orthogonal frequency-division multiplexing (OFDM).
Xiaohan Zhang, Sensen Li, Daquan Huang, T. Chi   +3 more
semanticscholar   +1 more source