François Krummenacher

Cette personne n’est plus à l’EPFL

Publications associées (55)

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OTA-C based high-speed analog processing for real-time fault location in electrical power networks

Maher Kayal, François Krummenacher, François Pierre Gaugaz

This paper explores the potential and limitations of analog integrated circuit techniques for the simulation of low-loss or lossless 1D or 2D transmission mediums. In this approach, a transmission line is mapped into a ladder consisting of N identical LC e ...

Springer Verlag2016

Design and Measurement Methodology for a Sub-picoampere Current Digitiser

Maher Kayal, Evgenia Voulgari, François Krummenacher

This paper introduces some design and measurement techniques that were used in the design and the testing of an ASIC for ultra-low current sensing. The idea behind this paper is to present the limitations in sub-picoampere current measurements and demonstr ...

Ieee2015

Simple thermal noise estimation of OTA-based switched-capacitor filters

Christian Enz, Assim Boukhayma, François Krummenacher

This paper presents a new analytical method to simply estimate the integrated thermal noise in switched-capacitor filters (SCF). It is shown how the Bode theorem, which is theoretically valid only for continuous-time passive filters, can be extended to als ...

2015

Component design and testing for a miniaturised autonomous sensor based on a nanowire materials platform

Mihai Adrian Ionescu, Maher Kayal, François Krummenacher, Montserrat Fernandez-Bolanos Badia, Naser Khosro Pour, Elizabeth Buitrago Godinez

We present the design considerations of an autonomous wireless sensor and discuss the fabrication and testing of the various components including the energy harvester, the active sensing devices and the power management and sensor interface circuits. A com ...

Springer2014

High-Speed Power System Transient Stability Simulation Using Highly Dedicated Hardware

Sidi-Rachid Cherkaoui, Maher Kayal, François Krummenacher, Marc Pastre, Laurent Fabre, Ira Nagel

This paper presents a fully analog demonstrator based on power system emulation for high-speed power system stability analysis.Abenchmark using a fixed two-machine topology has been implemented. The characteristics of the emulated components (i.e., generat ...

IEEE Institute of Electrical and Electronics Engineers2013

Measurement and Compact Modeling of 1/f Noise in HV-MOSFETs

Jean-Michel Sallese, François Krummenacher, Antonios Bazigos, Matthias Bucher

This paper investigates 1/f noise behavior under low and high drain biases of high-voltage metal-oxide-semiconductor field-effect transistors (MOSFETs) (HV-MOSFETs). A dedicated setup is presented which allows measuring low-frequency (LF) noise of lateral ...

Ieee-Inst Electrical Electronics Engineers Inc2013

A 120 dB dynamic-range radiation-tolerant charge-to-digital converter for radiation monitoring

Maher Kayal, François Krummenacher, Bernd Dehning

We present a radiation-tolerant 120 dB dynamic-range interface circuit for ionization chambers and diamond detectors. The device consists of a multi-scale continuous-time incremental charge-to-digital converter paired with a temperature-compensated current ...

Elsevier2013

An ultra-low power energy-efficient microsystem for hydrogen gas sensing applications

Maher Kayal, François Krummenacher, Naser Khosro Pour

This paper presents a fully integrated power management and sensing microsystem that harvests solar energy from a micro-power photovoltaic module for autonomous operation of a miniaturized hydrogen sensor. In order to measure H-2 concentration, conductance ...

Springer US2013

Fully integrated ultra-low power management system for micro-power solar energy harvesting applications

Maher Kayal, François Krummenacher, Naser Khosro Pour

A fully integrated, area-efficient and ultra-low power management system for micro-power solar energy harvesting applications is proposed. This system harvests energy from miniaturised solar cells connected in series to charge a rechargeable microbattery. ...

Institution of Engineering and Technology2012

RF Compact Modeling of High-voltage MOSFETs

Jean-Michel Sallese, François Krummenacher, Antonios Bazigos, Matthias Bucher

The High-Voltage MOSFET is used in a wide variety of applications covering from power systems up to RF-IC. Compact models that describe the high-frequency behavior of the device are required to predict high-frequency operation and switching capabilities of ...

Medknow Publications2012

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