Results 101 to 110 of about 102,094 (312)
An overview of fast DC-DC converters for envelope amplifier in RF transmitters [PDF]
, 2012 In the last years, RF power amplifiers are taking advantage of the switched dc-dc converters to use them in several architectures that may improve the efficiency of the amplifier, keeping a good linearity.
Alou Cervera, Pedro +4 more
core +1 more source
Multiplex Modular Nanorobotic Systems with Catalytic Activity under Magnetic Navigation
Advanced Functional Materials, EarlyView.We present modular nanorobots composed of a magnetic propulsion module and different extension modules carrying functional activities, assembled via DNA base pairing. The system integrates propulsion, optical tracking, enzymatic catalysis, and cell docking in a programmable manner.
Voichita Mihali +7 more
wiley +1 more source
Prediction of Conducted Emissions in Satellite Power Buses
International Journal of Aerospace Engineering, 2015 This work reports a modeling methodology for the prediction of conducted emissions (CE) in a wide frequency range (up to 100 MHz), which are generated by dc/dc converters and propagate along the power buses of satellites.
Giordano Spadacini +4 more
doaj +1 more source
Test Results of Selected Commercial DC/DC Converters under Cryogenic Temperatures - A Digest [PDF]
DC/DC converters are widely used in space power systems in the areas of power management and distribution, signal conditioning, and motor control. Design of DC/DC converters to survive cryogenic temperatures will improve the power system performance ...
Hammoud, Ahmad, Patterson, Richard
core +1 more source
On the modeling of linear–assisted DC/DC voltage regulators for battery charge [PDF]
, 2017 This paper shows the modeling of a linear–assisted or hybrid (linear & switching) DC–DC converters. In this kind of converters, an auxiliary linear regulator is used, which objective is to cancel the ripple at the output voltage and provide fast ...
Martínez García, Herminio
core
Limiting internal supply voltage spikes in DC-DC converters [PDF]
, 2009 Implementing monolithic DC-DC converters for low power portable applications with a standard low voltage CMOS technology leads to lower production costs and higher reliability.
Braga, Pedro +4 more
core +1 more source
Advanced Functional Materials, EarlyView.We report phosphine‐oxide interlayers for wide‐bandgap perovskite solar cells, in which tuned P = O Lewis basicity enables selective passivation of buried NiOx/perovskite interfaces and introduces interfacial dipoles that strengthen the built‐in field.
JeeHee Hong +6 more
wiley +1 more source
A New Evaluation Circuit for DC-link Capacitors Used in a Three-Phase Inverter [PDF]
, 2015 DC-link capacitors in power electronic converters are a major constraint on improvement of power density as well as reliability. Evaluation of the dc-link capacitors in terms of power loss, ageing, and failure rate will play an important role in design ...
大村 一郎 +2 more
core +1 more source
Advanced Functional Materials, EarlyView.A tandem gas diffusion electrode (GDE) leveraging hierarchically engineered microgranules enables efficient CO2 electroreduction under dilute CO2 conditions. A key innovation lies in the solvent‐free precision assembly of metal–organic‐frameworks, carbon nanotubes, and copper nanoparticles.
Kai‐Jen Wu +7 more
wiley +1 more source
IEEE AccessElectric vehicle transportation is a constantly advancing technology. In electric vehicles, battery charging is a critical necessity. The demand for DC/DC bidirectional converters in electric vehicle electrical systems is significantly higher than that ...
Nalluri Ramya Sri, M. Praveen Kumar
doaj +1 more source