Results 61 to 70 of about 12,007 (187)

Millimeter Wave SOI-CMOS Power Amplifier With Enhanced AM-PM Characteristic

IEEE Access, 2020
This paper proposes a novel inter-stage load-pull characterization method to enhance the linearity of millimeter wave integrated power amplifiers (PAs) by minimizing their amplitude-to-phase (AM-PM) distortion without worsening their AM-AM or efficiency ...
Jingjing Xia, Xiaohu Fang, Ahmed Ben Ayed, Slim Boumaiza   +3 more
doaj   +1 more source

Smart Integration of Structural Biology and Medicinal Chemistry to Unlock Target‐Driven Drug Discovery

Medicinal Research Reviews, EarlyView.
ABSTRACT To enhance drug discovery efforts, medicinal chemists should evaluate, filter, and utilize relevant structural information about target proteins. Acquiring and interpreting protein structures is crucial for elucidating ligand‐receptor interactions and addressing ADME‐related considerations, making it an essential aspect of medicinal chemistry.
Matteo Rossi Sebastiano, Giulia Apprato, Serena Francisco, Giuseppe Ermondi, Giulia Caron   +4 more
wiley   +1 more source

Accuracy Improvement of Real-Time Load-Pull Measurements [PDF]

, 2007
This paper describes a new procedure aimed to improve the effectiveness of real-time load-pull calibration. Loadpull measurement accuracy is strongly affected by calibration residual uncertainty.
Ferrero, Andrea Pierenrico, Parena, D., Pisani, Umberto, Teppati, Valeria   +3 more
core   +1 more source

Advances in conjugated porous polymers via high internal phase emulsion templating

Polymer International, EarlyView.
This mini‐review highlights the design, synthesis and potential applications of π‐conjugated polyHIPEs, emphasizing their unique hierarchical structure and tunable properties. The work outlines innovative synthetic strategies and explores their promising roles in photocatalysis and environmental remediation, paving the way for future advancements in ...
Julie‐Lisa Malaval, Michel Granier, Philippe Gerbier, Sébastien Richeter, Sébastien Clément   +4 more
wiley   +1 more source

GaN Power Amplifier with DPD for Enhanced Spectral Integrity in 2.3–2.5 GHz Wireless Systems

Technologies
The increasing need for high-data-rate wireless applications in 5G and IoT networks requires sophisticated power amplifier (PA) designs in the sub-6 GHz spectrum.
Mfonobong Uko
doaj   +1 more source

Seamless Integration of Active Antenna With Improved Power Efficiency

IEEE Access, 2020
Loss reduction to improve the power efficiency in active integrated antenna (AIA) is a key design drive. This paper first analyzes the loss mechanism in a convention AIA structure. A new integration scheme of a GaN power amplifier (PA) transistor with an
Yunlong Lu, Qing Liu, Yi Wang, Peter Gardner, Wang He, Yi Chen, Jifu Huang, Taijun Liu   +7 more
doaj   +1 more source

Analysis and design of an efficient, fully integrated 1-8GHz traveling wave power amplifier in 180nm CMOS [PDF]

, 2017
Traveling wave amplifiers (TWAs) offer the advantage of broadband amplification and a closed set of equations that allow deriving the RF gain by means of treating TWAs as discrete transmission line approximations.
Carls, Joerg, Ellinger, Frank, Joerges, Udo, Wehrli, Silvan, Zhang, Yulin   +4 more
core  

The importance of integrating herbarium records into conservation plans: a case study on Honduran ferns and lycophytes

PLANTS, PEOPLE, PLANET, EarlyView.
Herbarium collections are powerful, yet underutilized, tools for global biodiversity conservation and protected area management. By integrating digitized herbarium records with existing biodiversity data, previously unknown plant species were uncovered, exposing critical gaps in conservation knowledge.
Sven P. Batke, Thom Dallimore, Johan Reyes‐Chávez, David G. Hill, Wendy Atkinson, Eric van den Berghe, Geraldine Reid   +6 more
wiley   +1 more source

Ultra Wideband High-Efficiency High-Power Amplifier Design by Simplified Output Matching Technique

Electrica
This paper presents the design of a Gallium Nitride (GaN) transistor-based ultra-wideband (UWB) high-efficiency power amplifier (PA) with 25W (44 dBm) output power operating in the 2–6 GHz frequency band. The design of the matching circuits is based on a
Engin Çağdaş, Oğuzhan Kızılbey, Metin Yazgı   +2 more
doaj   +1 more source

One watt gallium arsenide class-E power amplifier with a thin-film bulk acoustic resonator filter embedded in the output network

The Journal of Engineering, 2015
Integration of a class-E power amplifier (PA) and a thin-film bulk acoustic wave resonator (FBAR) filter is shown to provide high power added efficiency in addition to superior out-of-band spectrum suppression.
Kyle Holzer, Jeffrey S. Walling
doaj   +1 more source