Results 81 to 90 of about 103,541 (257)
An Experimental High‐Throughput Approach for the Screening of Hard Magnet Materials
Advanced Engineering Materials, EarlyView.An entire workflow for the high‐throughput characterization and analysis of compositionally graded magnetic films is presented. Characterization protocols, data management tools and data analysis approaches are illustrated with test case Sm(Fe, V)12 based films.
William Rigaut +16 more
wiley +1 more source
High-power quantum dot superluminescent diode with integrated optical amplifier section
, 2011 A 1.1 mu m high-power quantum dot superluminescent diode has been fabricated by using a two-section device structure which consists of a superluminescent section and an optical amplifier section.
Wang, ZC (reprint author), Chinese Acad Sci, Inst Semicond, Key Lab Semicond Mat Sci, POB 912, Beijing 100083, Peoples R China,pengjin@red.semi.ac.cn +5 more
core
Advanced Engineering Materials, EarlyView.A distinct semi‐confined inner‐tube chemical vapor deposition geometry enables reproducible, large‐area growth of phase‐pure 2D β′‐In2Se3 from InI + Se precursors. Engineering local vapor transport and optimizing precursor delivery and temperature–time conditions yield uniform continuous films.
Dasun P. W. Guruge +8 more
wiley +1 more source
, 2009 A 5.2 GHz variable-gain amplifier (VGA) and a power amplifier (PA) driver are designed for WLAN IEEE 802.11a monolithic RFIC. The VGA and the PA driver are implemented in a 50 GHz 0.35 μm SiGe BiCMOS technology and occupy 1.12×1.25 mm~2 die area. The VGA
Zhang Xuelian +3 more
core
An Inverse Class-E Power Amplifier for Ultrasound Transducer. [PDF]
Sensors (Basel), 2023 Choi H.
europepmc +1 more source
Enhancing Bubble Removal in Geometry‐Optimized Electrodes
Advanced Engineering Materials, EarlyView.3D‐printed lattice electrodes outperform stochastic foams in alkaline water electrolysis despite 20%–25% lower surface area. Straight flow channels generate Venturi‐like bubble entrainment, suppressing gas accumulation that renders foam interiors electrochemically inactive.
Florian Wiesner +5 more
wiley +1 more source
Ultra Wideband High-Efficiency High-Power Amplifier Design by Simplified Output Matching Technique
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
Metin Yazgı +2 more
core +1 more source
Advanced Engineering Materials, EarlyView.Low‐voltage FIB‐SEM tomography combined with a image preprocessing pipeline improves phase contrast and enables reliable machine‐learning segmentation of conductive networks in lithium‐ion battery electrodes. Structural descriptors are extracted from segmented images, done semimanually and automated, and compared.
Lisa Beran +6 more
wiley +1 more source
Increasing the power efficiency of an IEEE802.11a power amplifier
, 2005 OFDM modulation is extensively used in many applications. However, it also exhibits high peak-to-average power ratios (PAPR) requiring the associated transmit amplifier to have a very large linear region.
Chen, K, Morris, KA, Beach, MA
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A multi-objective optimization based doherty power amplifier and its matching network optimization method. [PDF]
PLoS One, 2023 Sun J.
europepmc +1 more source