A three channels, low ripple PFC rectifier using a standard power module
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A large area array of metal-oxide-metal (MOM) tunneling diodes with an ultrathin dielectric (∼3.6 nm aluminum oxide) have been fabricated via a transfer-printing process. The MOM diodes exhibit an excellent tunneling behavior that is suitable for rectifyin ...
A low-energy 2.4GHz RF transceiver supporting 1Mb/s Gaussian Frequency-Shift Keying modulation and designed to run on a 1.5V battery is implemented in a standard 0.18μm CMOS technology. The integrated DC-DC converter can provide up to 100mA to an external ...
This paper presents a preliminary work on a resonant circuit, also called AC-dipole. The resonance frequency of the circuit is changed by the mean of a variable capacitor connecting an inductor. For this purpose, a bank of switched capacitors of different ...
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Many electric power generators use gas turbines as power sources. Typically they are connected to the turbines through a mechanical gearbox in order to adapt their synchronous speed to the optimal rotation speed of the turbine, which is very often much hig ...
A new surface micromachining method based on porous silicon formation followed by electropolishing is presented in this paper. It generates in a single electrochemical etch step a plate of porous silicon, releases it from the substrate without using a sacr ...
PFC rectifiers are more and more used as front end circuits for low and mid sized apparatus. Especially for the eigh current applications, the size and weight of passive components are an imprtant factor, also for the economic aspect. The number and size o ...
The stability and the dimensioning of a step-down switching voltage regulator feedback loop remain a complex task. An analytical approach allows dimensioning of all the components, strongly facilitating this task. In this article, a mathematical analysis i ...
A new converter topology for drives is presented in this paper: a three-phase multilevel converter with separately regulated dc power supplies. The dc voltages are provided by medium-frequency dc–dc converters. The applications for the converter are especi ...
Nowadays, the scarcity of cheap energy sources requires a particular effort in optimizing the performance of all conversions. The electric power vector is particulary expected to grow in importance, in conjunction with the development of renewable energy s ...
This article presents a fully on-chip low-power low drop-out (LDO) voltage regulator dedicated to remotely powered wireless cortical implants. This regulator is stable over the full range of alternating current without the need of dedicated active circuitr ...