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François Krummenacher

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Related publications (52)

Page 2 of 3

A high sensitivity low-power capacitive front-end for insulin injection pens

Maher Kayal, François Krummenacher, Jean-Baptiste Robert Orhan, François Pierre Gaugaz

A low-power 14-bits first order incremental Analog-to-Digital Converter (ADC) is presented. Based on the charge balancing principle, this switched-capacitor (SC) circuit integrates the input signal multiple times to reach the targeted resolution, linearity ...

ELSEVIER SCI LTD2019

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

Maher Kayal, Sidi-Rachid Cherkaoui, 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

A programmable low-power ADC interface for an ISFET sweat sensor used in a wearable multi-sensing system

Maher Kayal, François Krummenacher, Evgenia Voulgari

An application specific integrated circuit (ASIC) named ANTIGONE (ANalog To dIGital cONvErter) was designed in AMS 0.35 mu m technology to interface with four Ion-sensitive field-effect transistor (ISFET) sensors and perform real-time monitoring of some bi ...

IEEE2019

FOSS EKV2.6 Verilog-A Compact MOSFET Model

Christian Enz, Jean-Michel Sallese, François Krummenacher, Matthias Bucher, Wladyslaw Grabinski, Eric Vittoz

The EKV2.6 MOSFET compact model has had a considerable impact on the academic and industrial community of analog integrated circuit design, since its inception in 1996. The model is available as a free open-source software (FOSS) tool coded in Verilog-A. T ...

IEEE2019

Utopia: A Nine Decade Femtoampere Sensitivity Current Digitizer and its Application in Ionizing Radiation Monitoring

Maher Kayal, François Krummenacher, Evgenia Voulgari

2018

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

Maher Kayal, François Krummenacher, Sylvain Maréchal

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

A New Charge based EKV Compact Model for Lateral Asymmetric MOSFET

Mihai Adrian Ionescu, François Krummenacher, Michel Declercq, Yogesh Singh Chauhan, Costin Anghel

2006

Towards circuit design using VeSFETs

Maher Kayal, Jean-Michel Sallese, François Krummenacher, Marc Pastre, Lucian Barbut

This paper explores the potential of VeFETs for mixed-signal circuits. A new physics-based compact DC model of the VeSFET operated in subthreshold region is presented and used to derive 1st-order sensitivities of the device threshold voltage to process var ...

2011

A new charge-based Compact Model for Lateral Asymmetric MOSFET

Mihai Adrian Ionescu, François Krummenacher, Michel Declercq, Yogesh Singh Chauhan, Costin Anghel

2006

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

Christian Enz, François Krummenacher, Assim Boukhayma

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

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

Maher Kayal, François Krummenacher

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

Scalable general high voltage MOSFET model including quasi-saturation and self-heating effects

François Krummenacher, Yogesh Singh Chauhan, Costin Anghel

2006

A model for mu;-power rectifier analysis and design

Catherine Dehollain, François Krummenacher, Michel Declercq, Jari-Pascal Curty

This paper proposes a linear two-port model for an N-stage modified-Greinacher full-wave rectifier. It predicts the overall conversion efficiency at Iow power levels where the diodes are operating near their threshold voltage. The output electrical behavio ...

2005

Design and Measurement Methodology for a Sub-picoampere Current Digitiser

Maher Kayal, François Krummenacher, Evgenia Voulgari

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

A Compact DC and AC Model for Circuit Simulation of High Voltage VDMOS Transistor

Mihai Adrian Ionescu, François Krummenacher, Michel Declercq, Yogesh Singh Chauhan, Costin Anghel

2006

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 9-decade current to frequency converter with active leakage compensation

Maher Kayal, François Krummenacher, Evgenia Voulgari

2017

A circuit-level substrate current model for smart-power ICs

Maher Kayal, Jean-Michel Sallese, François Krummenacher, Marc Pastre, Fabrizio Lo Conte

This paper presents a new modeling methodology accounting for generation and propagation of minority carriers that can be used directly in circuit-level simulators in order to estimate coupled parasitic currents. The model is based on a new compact model o ...

IEEE Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2009

A front-end ASIC for ionising radiation monitoring with femto-amp capabilities

François Krummenacher, Evgenia Voulgari

An ultra-low leakage current Application Specific Integrated Circuit (ASIC) called Utopia (Ultralow Picoammeter) has been designed and fabricated in AMS 0.35 mu m CMOS, in order to be used as the front-end for ionising radiation monitoring at CERN. It is b ...

Iop Publishing Ltd2016

A 400 fJ Per-Cycle Frequency Reference for Internet of Things

Maher Kayal, François Krummenacher, Mathieu Yves Hervé Coustans

This work presents an ultra-low power oscillator designed to target different contexts, such as crystal-assisted time keeping, reference oscillator to optimize the always on domain of a microcontroller or wake-up timer. This oscillator enables ultra-low po ...

2016