Results 31 to 40 of about 675,181 (253)

Memristive‐Gated RC‐Delay Synaptic Transistors for Time‐Encoded Analog in‐Memory Computing

open access: yesAdvanced Functional Materials, EarlyView.
A Memristive‐Gated Transistor for Time‐Encoded Analog In‐Memory Computing — By exploiting the RC delay of a self‐rectifying interface‐type memristor, nonlinear I–V distortion is structurally bypassed, enabling 3‐bit nonvolatile memory, spike‐timing‐based analog encoding, and hardware‐calibrated reservoir‐computing validation within a unified device ...
Yun‐Seo Shin   +7 more
wiley   +1 more source

Research on constant voltage and constant current dual-load wireless power transfer system based on composite control method

open access: yesWireless Power Transfer
Existing wireless power transfer (WPT) systems often fail to simultaneously achieve constant-voltage (CV) and constant-current (CC) outputs when charging multiple devices. To address this limitation, this paper proposes a dual-load WPT system with CV and
Haibing Wang   +6 more
doaj   +1 more source

Modelagem e projeto de conversores AC/DC de ultrabaixa tensão de operação [PDF]

open access: yes, 2012
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia ElétricaEsta tese apresenta o desenvolvimento de um modelo analítico e muito simples do circuito retificador, considerando a lei ...
Cardoso, Adilson Jair
core  

Advances in Solution‐Processed Textile Triboelectric Nanogenerators: Ink Formation, Processing Strategies, Applications, and Challenges

open access: yesAdvanced Functional Materials, EarlyView.
Advanced ink systems for solution‐processed textile triboelectric nanogenerators are systematically summarized, spanning conductive, tribo‐negative, and tribo‐positive layers. By connecting ink chemistry, deposition methods, and device function, the present review reveals the key governing principles of solution development and highlights practical ...
Xinlong Sun, Stephen Beeby
wiley   +1 more source

Conversor CA-CC trifásico único com isolamento em alta frequência baseado no conversor CC-CC sepic operando no modo de condução descontínuo [PDF]

open access: yes, 2013
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia Elétrica, Florianópolis, 2013Esta tese apresenta a análise e o projeto de um conversor CA-CC trifásico de alto fator de potência com ...
Tibola, Gabriel
core  

Covalent Functionalization of 2D Semiconductors: A Roadmap to Advanced Electronic Devices

open access: yesAdvanced Functional Materials, EarlyView.
This Review presents recent advances in the covalent functionalization strategies for two‐dimensional semiconductors and their implementation in modern technologies. Layered materials are modified through diverse molecular chemistries (e.g., thiols, diazonium salts, alkyl halides, and electron‐deficient species) to tailor their surface properties ...
Ramiro Quirós‐Ovies   +2 more
wiley   +1 more source

Rectifier Circuit Designs for RF Energy Harvesting applications [PDF]

open access: yes, 2019
RF energy scavenging, commonly referred to as RF energy harvesting, is the capability of collecting ambient RF energy from antennas to supply power to electronic devices.
Terchoune, Hanae   +2 more
core   +2 more sources

An Efficient Fully Bootstrapped RF-to-DC Rectifier for Implantable Biomedical Applications in CMOS Technology [PDF]

open access: yesJES: Journal of Engineering Sciences
This paper introduces a high-efficiency and a wide-frequency band RF-to-DC rectifier with an enhanced voltage conversion ratio (VCR) for implantable biomedical devices.
Asmaa Tammam   +2 more
doaj   +1 more source

Retificador PFC monofásico PWM bridgeless três-níveis de alto desempenho [PDF]

open access: yes, 2012
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia ElétricaEste trabalho apresenta uma nova topologia de retificador monofásico com fator de potência e rendimento elevados, com o ...
Lange, André De Bastiani
core  

An Adaptive Inhibitory WSe2 Transistor for Retinomorphic In‐Sensor Image Processing

open access: yesAdvanced Functional Materials, EarlyView.
Conventional retinomorphic devices typically require deliberate gate‐bias tuning for each illumination condition. In this paper, we demonstrate an adaptive inhibitory WSe2 transistor that uses photo‐induced regime shift between the subthreshold and accumulation modes to achieve decision‐free, intensity‐adaptive image processing within a single pixel ...
Juhwan Baek   +12 more
wiley   +1 more source

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