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Catherine Dehollain

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Publications associées (139)

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A 16-Channel Wireless Neural Recording System-on-Chip with CHT Feature Extraction Processor in 65nm CMOS

Catherine Dehollain, Yusuf Leblebici, Volkan Cevher, Florian Dylan Fallegger, Stéphanie Lacour, Cosimo Aprile, Kerim Türe, Arda Uran, Alix Esther Anne Trouillet

Wireless implantable neural recording chips enable multichannel data acquisition with high spatiotemporal resolution in situ. Recently, the use of machine learning approaches on neural data for diagnosis and prosthesis control have renewed the interest in ...

2021

An 11-Mb/s 2.1-mW Synchronous Superregenerative Receiver at 2.4 GHz

Michel Declercq, Catherine Dehollain

This paper presents a low-voltage low-power high-speed superregenerative receiver operating in the 2.4-GHz industrial-scientific-medical band. The receiver uses an architecture in which, thanks to the presence of a phase-locked loop, the quench oscillator ...

Institute of Electrical and Electronics Engineers2007

Full System for Translational Studies of Personalized Medicine with Free-Moving Mice (invited)

Catherine Dehollain, Giovanni De Micheli, Cristina Boero, Sandro Carrara, Enver Gürhan Kilinç, Camilla Baj-Rossi, Seyedeh Sara Ghoreishizadeh, Grégoire Casimir Joseph Surrel, Stefano Riario, Francesca Stradolini

A full remotely powered system for metabolism monitoring of free-moving mice is presented here. The fully implantable sensing platform hosts two ASICs, one off-the-shelf micro-controller, four biosensors, two other sensors, a coil to receive power, and an ...

2015

Instrumented Knee Prosthesis for Force and Kinematics Measurements

Steve Tanner, Kamiar Aminian, Philippe Renaud, Catherine Dehollain, Arnaud Bertsch, Peter Ryser, Eric Meurville, Pierre-André Farine, Oguz Atasoy, Brigitte Jolles-Haeberli, Arash Arami, Willyan Hasenkamp Carreira, Shafqat Ali, Matteo Simoncini

In this work, we present the general concept of an instrumented smart knee prosthesis for in-vivo measurement of forces and kinematics. This system can be used for early monitoring of the patient after implantation and prevent possible damage to the prosth ...

Ieee-Inst Electrical Electronics Engineers Inc2013

Full Fabrication and Packaging of an Implantable Multi-panel Device for Monitoring of Metabolites in Small Animals

Catherine Dehollain, Giovanni De Micheli, Sandro Carrara, Enver Gürhan Kilinç, Camilla Baj-Rossi, Seyedeh Sara Ghoreishizadeh

In this work, we show the realization of a fully-implantable device for monitoring free-moving small animals. The device integrates a microfabricated sensing platform, a coil for power and data transmission and two custom designed integrated circuits. The ...

Ieee-Inst Electrical Electronics Engineers Inc2014

Design of a Dual-Band Wireless Power and Data Transfer Coil for Multisite Biomedical Implants

Catherine Dehollain, Alexandre Schmid, Mohammad Javad Karimi

This paper introduces a dual-band inductive link designed to operate at both 6.78 and 13.56 MHz in the industrial, scientific, and medical (ISM) bands. The primary aim is to facilitate wireless power and data transmission in multisite biomedical implants. ...

New York2023

Analytical Modeling of Short-Channel MOSFET Differential Pair Non-Linearity

Christian Enz, Catherine Dehollain, Andreas Peter Burg, Hung-Chi Han

Energy efficiency is of utmost importance in modern applications. Power consumption optimisation could be improved by a comprehensive analytical modeling of the characteristics of critical blocks in a system. Dynamic range (DR) has a strong effect on the p ...

2024

High-Q Adaptive Matching Network for Remote Powering of UHF RFIDs and Wireless Sensor Systems

Catherine Dehollain, Onur Kazanç, Franco Maloberti

Process and temperature independent RF front-end design is important for remotely powered RFID tags and wireless sensor systems. Run-to-run process variations can impact the remote powering performance and therefore read range of aforementioned systems. We ...

Ieee2013

High tuning range AlSi RF MEMS capacitors fabricated with sacrificial amorphous silicon surface micromachining

Michel Declercq, Philippe Renaud, Catherine Dehollain, Raphaël Fritschi, Philippe Flückiger, Mihai Adrian Ionescu, Cyrille Hibert

This paper reports the fabrication and electrical characterization of high tuning range AlSi RF MEMS capacitors. We present experimental results obtained by a surface micromachining process that uses dry etching of sacrificial amorphous silicon to release ...

2004

Toward the Deployment of an Ultra-Wideband Localization Test Bed

Alcherio Martinoli, Catherine Dehollain, Edmund James Colli-Vignarelli, Alexander Bahr

The design, development, and deployment of Ultra-Wideband (UWB) localization systems involves digital and Radio-Frequency (RF) hardware, embedded software, localization algorithms, security and reliability aspects, electromagnetics, and others. Design and ...

2011

A discrete-components impulse-radio UWB Low-Noise Amplifier with voltage controlled-gain

Catherine Dehollain, Edmund James Colli-Vignarelli

We describe an Ultra-Wide Band Low-Noise Amplifier (LNA) with a variable gain that works in the 4.0 GHz to 4.5 GHz frequency range and is made with off-the-shelf discrete components. This LNA has a 30 dB variable gain and a noise figure of 2.2 dB. It was i ...

2010

A CMOS Analog Front-End for Implantable Pulmonary Artery Pressure Monitoring System

Marco Mattavelli, Catherine Dehollain, Diego Ruben Barrettino, Kerim Türe, Mustafa Besirli

This paper presents an energy-efficient analog front-end circuit to monitor the pulmonary artery pressure (PAP) with piezoresistive pressure sensors. A low-power capacitively-coupled instrumentation amplifier (CCIA) is developed in order to boost the ampli ...

IEEE2019

Design of a parallel low power flash A/D converter for the sub-sampling IR-UWB receiver

Catherine Dehollain, Shenjie Wang

This paper presents the design of a dual-channel 4-bit analog-to-digital converter (ADC) for the sub-sampling impulse radio ultra-wideband receiver with the sampling rate of 2.112 GS/s. The ADC's specifications are optimized at the system level. Two parall ...

Springer Verlag2013

Wireless Power and Data Transmission for Implanted Devices via Inductive Links: A Systematic Review

Catherine Dehollain, Alexandre Schmid, Mohammad Javad Karimi

Wireless power and data communication systems in implantable medical devices (IMDs) are developed to control and report acquired biological data from an implanted device to an external stage in several medical applications. Ultrasonic, capacitive, optical, ...

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC2021

Optical pancreatic beta cell based biosensor, applications and glucose monitoring

Catherine Dehollain, Nicolas Bouche, Christophe Boss, Bakul Jitendra Vinchhi

An optical pancreatic beta-cell based biosensor for measuring cytosolic [Ca2+] is presented in this work. An in vitro bio-electronic system is built for testing various applications and characterizing features of the biosensor. A panoply of applications su ...

IEEE2019

Design and comparison of class-C and class-D power amplifiers for remotely powered systems

Catherine Dehollain, Enver Gürhan Kilinç, Franco Maloberti, Kerim Türe

This paper presents the effect of coupling between the coils on the power amplifier efficiency and comparisons between the class-C and class-D performance for different coupling conditions. In remotely powered systems, the coupling of the coils can influen ...

2013

Pediatric Size Swallowable Glass Pill for Digestive Motility Analysis

Vincent Schlageter, Catherine Dehollain, Onur Kazanç, Jose Luis Merino Panadés

A glass pill for digestive motility tracking with wireless communication is presented. The pill encapsulates three magnetic transmitter coils with a 125 kHz signal, the circuitry required to control the magnetic coil output and the battery. The system prov ...

IEEE2018

High Performance Copper / Polyimide Inductors Fabricated Using Thick Double Metal Layer Damascene Process

Didier Bouvet, Catherine Dehollain, Mihai Adrian Ionescu, Cyrille Hibert

2005

Area and Power Efficient Ultra-Wideband Transmitter Based on Active Inductor

Catherine Dehollain, Franco Maloberti, Kerim Türe, Arnout Jan J Devos

This paper presents the design of an impulse radio ultra-wideband (IR-UWB) transmitter for low-power, short-range, and high-data rate applications such as high density neural recording interfaces. The IR-UWB transmitter pulses are generated by modulating t ...

2018

High Data Rate RFID Tag/Reader Architecture Using Wireless Voltage Regulation

Michel Declercq, Catherine Dehollain

This paper discusses a novel tag/reader system, based on the passive, far-field RFID principle, with megabits per second read capability at operating ranges of several centimeters. The system operates in the ISM band at 2.45 GHz. A maximum data rate of 4 M ...

2008