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Catherine Dehollain

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Related publications (139)

Page 6 of 7

IR-UWB transmitter

Jean-Yves Le Boudec, Catherine Dehollain, Edmund James Colli-Vignarelli

A generator of very short pulses where a cascade of inverters of arbitrary length characterized in that said inverters are adapted to produce pulses on their power supply line instead of their usual output. ...

2012

In-Vivo Validation of a Compact Inductively-Powered Neural Recording Interface

Catherine Dehollain, Alexandre Schmid, Mahsa Shoaran, Gürkan Yilmaz

2014

Remote Powering Link for a Passive UHF RFID Tag for Capacitive Sensor Applications

Catherine Dehollain, Kerem Kapucu

This work discusses the remote powering link of a passive UHF RFID tag for sensor applications. The design, implementation, and measurements of the base-station antenna, tag antenna, and the rectifier are presented. The base-station antenna is a 50 Ω recta ...

IEEE2013

An Analysis of an ASK Demodulator With Dual Self-Biased Separated Voltages for Implantable Applications

Catherine Dehollain, Alexandre Schmid, Mohammad Javad Karimi, Yuxuan Zhou

A new structure of low-power demodulator named 'separated-Vb' amplitude shift keying (ASK) demodulator is proposed. The circuit is based on the switching behavior of the core digital shaper with different bias voltages, which improves its operation at low ...

2024

An RF Wireless Power Transfer system to power battery-free devices for asset tracking

Catherine Dehollain, Roberto La Rosa

Internet of Things (IoT) and Wireless Sensor Networks (WSN) infrastructures are becoming more and more available and diffused. One major outcome is the development of new services that help to make everyday life easier and better. One of those to which thi ...

IEEE2019

A Closed-Loop Remote Powering Link for Wireless Cortical Implants

Michel Declercq, Catherine Dehollain, Kanber Mithat Silay

This paper presents a closed-loop remote powering link for wireless cortical implants. The link operates from a single power supply at the external reader and delivers power to the implant adaptively under changing load conditions. A feedback information i ...

Institute of Electrical and Electronics Engineers2013

A Low-Power Sensor Interface Circuit for Remotely Powered Implants

Catherine Dehollain, Xiao Liu

This paper proposes an interface circuit for wirelessly powered implants for mice temperature monitoring. The circuit contains the read-out circuit and a data converter. By using a novel approach to cancel the non-linear effects of thermistor sensors, the ...

Ieee2013

Instrumented Prosthesis for Knee Implants Monitoring

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

In this work we present an instrumented smart knee prosthesis for in-vivo measurement of forces and kinematics. Studying the constraints, we designed minimal sensory systems to be placed in the polyethylene part of the prosthesis. The magnetic sensors and ...

IEEE2011

Design and Implementation of A Rail-to-Rail 460-kS/s 10-bit SAR ADC for the Power-Efficient Capacitance Measurement

Catherine Dehollain, Shenjie Wang

This paper presents the design and implementation of a rail-to-rail 460-kS/s 10-bit successive approximation register analog-to-digital converter (ADC) for the power-efficient capacitance measurement. The specifications of ADC are optimized at system level ...

Institute of Electrical and Electronics Engineers2015

Tunable band-stop filter based on single RF MEMS capacitive shunt switch with meander arm inductance

Catherine Dehollain, Mihai Adrian Ionescu, Montserrat Fernandez-Bolanos Badia

This paper presents a novel high-frequency filter concept based on a single MEMS capacitive shunt structure using meander arm inductance. Tuning ranges of the central frequency in the order of 55% are experimentally demonstrated for filters operating betwe ...

2009

A Discrete-Components Impulse-Radio Ultrawide-Band (IR-UWB) Transmitter

Catherine Dehollain, Edmund James Colli-Vignarelli

We describe an impulse-radio ultra-wideband (IR-UWB) transmitter made with off-the-shelf discrete components. It was initially designed to be used in a UWB testbed for measurement and algorithm validation purposes. There already exist several versions of a ...

Institute of Electrical and Electronics Engineers2011

A termination scheme using intended asymmetric spatial filter response for averaging flash A/D converter

Catherine Dehollain, Shenjie Wang

Averaging network is adopted to reduce the front-end amplifier's offset in the flash analog-to-digital converter (ADC) commonly at the cost of the boundary threshold error. Such error worsens the integral-nonlinearity and introduces distortion. An averagin ...

Springer Verlag2012

High Precision Capacitive Moisture Sensor for Polymers

Marco Mattavelli, Jean-Michel Sallese, Catherine Dehollain, Diego Ruben Barrettino, Rosane Moura Dos Santos Barrettino

This paper presents a high precision capacitive moisture sensor for polymers that is part of a compact, fast, and economic moisture analyzer capable of reaching similar precision than commercial moisture analyzers based on the Karl Fischer method. The desi ...

IEEE2018

Intelligent remote powering

Catherine Dehollain, Enver Gürhan Kilinç

A telemetric device with electronics comprises at least one of a sensor, an actuator or a data transmission device; at least one super-capacitor arranged as a power storage and a supply voltage for the at least one of a sensor, an actuator or a data transm ...

2015

A 10.5 cm Ultrasound Link for Deep Implanted Medical Devices

Catherine Dehollain, Francesco Mazzilli

A study on ultrasound link for wireless energy transmission dedicated to deeply implanted medical devices is presented. The selection of the frequency to avoid biological side effects (e. g., cavitations), the choice of the power amplifier to drive the ext ...

Ieee-Inst Electrical Electronics Engineers Inc2014

A Low-Power PPM Demodulator for Remotely Powered Batteryless Implantable Devices

Catherine Dehollain, Enver Gürhan Kilinç, Franco Maloberti

A low-power PPM demodulator has been developed for remotely powered batteryless implantable devices. The required power is harvested by the magnetic coupling with external powering coils placed under the living space of the animal. The remote powering is t ...

Ieee2014

An Implantable Bio-Micro-system for Drug Monitoring

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

Multi-target and continuous monitoring by wireless implantable devices is of increasing interest for personalized therapy. In this work an implantable system is presented which is capable of measuring different drugs with Cyclic Voltammetry (CV) method. Th ...

2013

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

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

Next generation invasive neural interfaces require fully implantable wireless systems that can record from a large number of channels simultaneously. However, transferring the recorded data from the implant to an external receiver emerges as a significant ...

2022

Wireless Energy and Data Transfer for In-Vivo Epileptic Focus Localization

Catherine Dehollain, Oguz Atasoy, Gürkan Yilmaz

This paper presents a wireless energy transfer and a wireless data communication link for neural signal monitoring-more specifically, fast ripple detection for epilepsy patients. Wireless data are transferred on the same channel as the wireless energy tran ...

Institute of Electrical and Electronics Engineers2013

184 mu W ultrasonic on-off keying/amplitude-shift keying demodulator for downlink communication in deep implanted medical devices

Catherine Dehollain, Francesco Mazzilli

An ultrasonic on-off keying/amplitude-shift keying demodulator using standard 0.18 mu m CMOS technology is proposed, intended for recovering the identification number of an implanted medical device transmitted from an external base station. The CMOS integr ...

Institution of Engineering and Technology2016