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Direct Observation of Capacitor Switching Using Planar Electrodes

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A 3.1 mW 8b 1.2 GS/s Single-Channel Asynchronous SAR ADC With Alternate Comparators for Enhanced Speed in 32 nm Digital SOI CMOS

Yusuf Leblebici, Lukas Kull, Thomas Toifl

An 8b 1.2 GS/s single-channel Successive Approximation Register (SAR) ADC is implemented in 32 nm CMOS, achieving 39.3 dB SNDR and a Figure-of-Merit (FoM) of 34 fJ per conversion step. High-speed operation is achieved by converting each sample with two alt ...

Institute of Electrical and Electronics Engineers2013

Système de conversion d'énergie

Yves Perriard, Paolo Germano, Christophe Bruno Auvigne

The system (20) has a switching unit (T1) adapted for switching reversibly between two configurations. A capacitor is connected in series between a secondary winding (9) and a connection terminal (A) in one of the configurations. Another capacitor is conne ...

2012

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This paper presents a preliminary work on the feeding of an AC dipole using a resonant circuit with a varying resonant frequency. A single phase LC oscillator containing a variable capacitor is fed by a wide band amplifier or a voltage source inverter. For ...

Institute of Electrical and Electronics Engineers2011

Lead-free high-temperature dielectrics with wide operational range

Dragan Damjanovic

The dielectric, electrical and structural properties of (1-x) (0.94Bi(1/2)Na(1/2)TiO(3)-0.06BaTiO(3))-xK(0.5)Na(0.5)NbO(3) (BNT-BT-xKNN) with x=0.09, 0.12, 0.15, and 0.18 were investigated as potential candidates for high-temperature capacitors with a work ...

American Institute of Physics2011

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We report on the fabrication of a low cost sensing platform which includes printed / electroplated resistive thermometers and capacitive-based humidity sensors working at ultra low power consumption. Both types of devices were integrated on the same polyme ...

2011

CAD tools for fast analysis of parasitic coupling and mismatch effects in switched-capacitor circuits

Maher Kayal, Sylvain Maréchal, François Krummenacher

This paper presents a switched-capacitor simulator, optimized for fast computations. Two CAD tools are implemented in order to perform Monte-Carlo simulations, to identify sensitive parasitic coupling prior to layout and to rapidly verify parasitic couplin ...

IEEE2011

Micro-electro-mechanical capacitors based on vertical carbon nanotube arrays

Mihai Adrian Ionescu, László Forró, Arnaud Magrez, Montserrat Fernandez-Bolanos Badia, Rita Smajda, Anupama Arun, Donatello Acquaviva

This paper explores the design and fabrication of Micro-Electro-Mechanical capacitors based on vertical carbon nanotube arrays. The devices are realized in vertically single-clamped parallel plate configurations using a dense array of vertically grown MWCN ...

2009

An adaptive model of overheating risk

Darren Robinson, Frédéric Haldi

Based on analogy between the charging and discharging of humans' tolerance to overheating stimuli and that of charge in an electrical capacitor, this paper proposes a simple mathematical model for predicting overheating risk given a set of measured / simul ...

BRENET2008

Reliability study of tunable ferroelectric capacitors

Nava Setter, Marija Kosec

In this paper, the reliability of tunable ferroelectric thin film capacitors has been addressed. The long term stability of tunable capacitors based on Ba0.3Sr0.7TiO3 films deposited by chemical solution deposition onto an alumina substrate was investigate ...

2008

Design of a 12-bit low-power SAR A/D Converter for a Neurochip

Pascal Andreas Meinerzhagen

Cutting-edge CMOS neurochips, which consist of a Microelectrode Array (MEA) manufactured on top of CMOS circuitry, allow the recording of the electrical activity of neural networks in-vitro, and their stimulation. As CMOS technology continues to scale down ...

2008