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Catherine Dehollain

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Publications associées (139)

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A System for Wireless Power Transfer of Micro-Systems In-Vivo Implantable in Freely Moving Animals

Catherine Dehollain, Basile Kawkabani, Enver Gürhan Kilinç, Franco Maloberti, Gilbert Didier Francis Conus

A system for wireless power transfer of micro-systems in-vivo implantable in small animals is presented. The described solution uses a servo-controlled transmitter moved under the animal moving space. The solution minimizes the power irradiation while enab ...

Institute of Electrical and Electronics Engineers2014

Design and Implementation of a 46-kS/s CMOS SC Dual-Mode Capacitive Sensor Interface With 50-dB SNR and 0.7% Nonlinearity

Catherine Dehollain, Shenjie Wang

This paper presents the design and implementation of a 46-kS/s CMOS switch-capacitor dual-mode capacitive sensor interface circuit for inkjet-printed capacitive humidity sensors. The specifications of the interface circuit, which includes a capacitance-to- ...

Institute of Electrical and Electronics Engineers2015

A 0.4 nJ Excitation Energy Bridge-to-Digital Converter for Implantable Pulmonary Artery Pressure Monitoring

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

This paper presents an energy-efficient, duty-cycled, and spinning excitation bridge-to-digital converter (BDC) suitable for measuring the pulmonary artery pressure of heart failure patients with an implantable system. The duty-cycled bridge uses resistanc ...

IEEE2021

A 7.5mA 500 MHz UWB receiver based on super-regenerative principle

Catherine Dehollain, Michel Declercq

Low power impulse radio-ultra wide band(IR-UWB) receivers have potential application in the area of wireless sensor networks. In this paper the possibility of super-regenerative receivers for pulse detection is demonstrated. The super-regenerative receiver ...

2008

An Ultra Low Power Analog/Mixed-Signal Processor for a Smart RF Signal Classification System in the ISM Band

Andreas Peter Burg, Catherine Dehollain

In this work, we propose an ultra-low power highly configurable analog/mixed-signal (AMS) processor as part of a smart RF signal detection and recognition system focusing on the ISM band. The analog feature extraction approach reduces power consumption and ...

IEEE2025

Cardiovascular monitoring system

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

A cardiovascular monitoring system for measuring at least cardiac output comprises an implantable unit (2) configured for placement in a section of artery of a patient and a portable external unit (1) configured for mounting against or close to a patient's ...

2022

An Implantable Inductive Sensor for Direct and Continuous Monitoring of the Pulmonary Artery Cross-Sectional Area

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

This paper presents a novel method for the measure of the cross-sectional area (CSA) of an artery to be used for the direct and continuous (24/7) monitoring of cardiac output (CO). The method is based on the inductance change of an anchoring loop mounted o ...

IEEE2022

Simultaneous Wireless Power and Data Transmission Through a Single Inductive Link For Multiple Implantable Medical Devices

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

Inductive power transfer (IPT) is a developing technique for wireless power and data communication systems in the application of implanted medical devices (IMDs). Multiple implants are developed to cover large areas and satisfy the clinical requirements of ...

IEEE2022

Short Range Remote Powering of Implanted Electronics for Freely Moving Animals

Catherine Dehollain, Enver Gürhan Kilinç, Franco Maloberti

An implantable system for monitoring vital parameters via bio-sensors inside freely moving laboratory animals and its powering system are presented. The required 2 mW are harvested by the magnetic coupling with an external coil placed under the living spac ...

Ieee2013

A Remotely Powered Implantable IC for Recording Mouse Local Temperature with +/- 0.09 degrees C Accuracy

Catherine Dehollain

Multiple techniques are presented to implement an ultra-low-power remotely powered implantable system. The temperature is monitored locally by a thermistor-type sensor. The resistive response of the sensor is amplified and resolved in the time-domain. The ...

Ieee2013

Design and Modelling of a Super-Regenerative Receiver for Medical Implant Devices

Catherine Dehollain, Naci Pekçokgüler

Medical implant devices have been widely used in recent years. The Super-Regenerative Receiver has been on preferred architecture due to its power advantage over other architectures. We present a detailed analysis of the circuits and their equivalent model ...

IEEE2018

Remote Powering Platform for Implantable Sensor Systems at 2.45 GHz

Catherine Dehollain, Franco Maloberti, Gürkan Yilmaz, Onur Kazanç

Far-field remotely powered sensor systems enable long distance operation for low-power sensor systems. In this work, we demonstrate a remote powering platform with a miniaturized antenna and remote powering base station operating at 2.45 GHz. The rectenna, ...

Ieee2014

Read Range Limitation in IF-Based Far-Field RFID Using ASK Backscatter Modulation

Catherine Dehollain, Michel Declercq

A model is proposed to describe the fundamental read range limitation due to the local oscillator phase noise in the reader, in IF-based, far-field RFID systems using amplitude-shift keying backscatter modulation. The relation between the system parameters ...

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

Far-Field UHF Remotely Powered Front-End for Patient Monitoring with Wearable Antenna

Catherine Dehollain, Franco Maloberti, Onur Kazanç

The design of a wearable antenna for UHF band at 900 MHz with an integrated front-end for a wireless sensor system targeting remote patient monitoring is presented. A wearable antenna for human body with -7.2 dB gain is demonstrated using five layer torso ...

Ieee2013

Improving signal to noise of current mode circuits by a cross-coupled current mirror topology

Catherine Dehollain

A cross-coupled current mirror topology is presented. This topology increases the gain of a circuit that amplifies a pair of differential currents without increasing its power dissipation. An example circuit employing this current mirroring technique is pr ...

Institution of Engineering and Technology2014

Catherine Dehollain

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A System for Wireless Power Transfer of Micro-Systems In-Vivo Implantable in Freely Moving Animals

Design and Implementation of a 46-kS/s CMOS SC Dual-Mode Capacitive Sensor Interface With 50-dB SNR and 0.7% Nonlinearity

A 0.4 nJ Excitation Energy Bridge-to-Digital Converter for Implantable Pulmonary Artery Pressure Monitoring

A 7.5mA 500 MHz UWB receiver based on super-regenerative principle

An Ultra Low Power Analog/Mixed-Signal Processor for a Smart RF Signal Classification System in the ISM Band

Cardiovascular monitoring system

An Implantable Inductive Sensor for Direct and Continuous Monitoring of the Pulmonary Artery Cross-Sectional Area

Simultaneous Wireless Power and Data Transmission Through a Single Inductive Link For Multiple Implantable Medical Devices

Short Range Remote Powering of Implanted Electronics for Freely Moving Animals

A Remotely Powered Implantable IC for Recording Mouse Local Temperature with +/- 0.09 degrees C Accuracy

Design and Modelling of a Super-Regenerative Receiver for Medical Implant Devices

Remote Powering Platform for Implantable Sensor Systems at 2.45 GHz

Read Range Limitation in IF-Based Far-Field RFID Using ASK Backscatter Modulation

Far-Field UHF Remotely Powered Front-End for Patient Monitoring with Wearable Antenna

Improving signal to noise of current mode circuits by a cross-coupled current mirror topology

Passive UHF RFID Systems

A 2.4 GHz DSSS superregenerative receiver with a simple delay-locked loop

A 2.45 GHz Remotely Powered RFID System

Power/data platform for high data rate in implanted neural monitoring system