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Catherine Dehollain

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Related publications (140)

A multi-band PLL based tuning circuitry for the super-regenerative IR-UWB receiver system

The impulse radio-ultra wide band (IR-UWB) signalling format has been an attractive mode for wireless communication in wireless sensor node system. The super-regenerative principle can be used for impulse reception for its inherent advantages. The oscillat ...

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

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

Michel Declercq, Catherine Dehollain

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

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

Michel Declercq, Catherine Dehollain, Nicolas Pillin

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

Design methodology for CMOS distributed amplifiers

Catherine Dehollain

The design of distributed amplifiers in a CMOS process is investigated. In particular, the impact of parasitic elements from the transistors and from interstage inductors is studied. A methodology for determining an optimum design, including the number of ...

2008

Noise analysis in super-regenerative receiver systems

Michel Declercq, Catherine Dehollain

The recent increase in the need for energy efficient wireless nodes have led to the study of various low power consumption receiver and transmitter architectures. The super-regenerative receiver architecture is one of the possible candidates for such a low ...

2008

Numerical analysis of temperature elevation in the head due to power dissipation in a cortical implant

Michel Declercq, Catherine Dehollain, Kanber Mithat Silay

2008

Orthogonally oriented coils for minimization of cross-coupling in cortical implants

Michel Declercq, Catherine Dehollain, Kanber Mithat Silay

This article presents the design of the inductive links of remotely powered wireless cortical implants for minimum interference from the power link to the data link. This interference is minimized by changing the orientation of the inductors. Different ori ...

2008

Improvement of power efficiency of inductive links for implantable devices

Michel Declercq, Catherine Dehollain, Kanber Mithat Silay

This paper presents the analysis of inductive links for remote powering of implantable devices and a method to improve the power link efficiency by modifying the geometrical parameters of planar spiral inductors. The analysis of the inductive links include ...

2008

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

Passive UHF RFID Systems

Jari-Pascal Curty, Michel Declercq, Norbert Jöhl, Catherine Dehollain

2006

Design and Optimization of passive UHF RFID Systems

Jari-Pascal Curty, Michel Declercq, Norbert Jöhl, Catherine Dehollain

Springer2006

A 2.4-GHz Low-Power Superregenerative RF Front-End for High Data Rate Applications

Michel Declercq, Catherine Dehollain

This paper describes the design and implementation of a low-power superregencrative receiver front-end operating in the 2.4-GHz ISM band. Specifically, the design is conceived to support high quench frequencies and, consequently, high data rates. The front ...

2006

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

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

2005

A 2.45 GHz Remotely Powered RFID System

Jari-Pascal Curty, Michel Declercq, Norbert Jöhl, Catherine Dehollain

2005

Remotely powered addressable UHF RFID integrated system

Jari-Pascal Curty, Michel Declercq, Norbert Jöhl, Catherine Dehollain

This paper presents a fully integrated remotely powered and addressable radio frequency identification (RFID) transponder working at 2.45 GHz. The achieved operating range at 4 W effective isotropically radiated power (EIRP) base-station transmit power is ...

2005

Fabrication and electrical characterization of high performance copper/polyimide inductors

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

This paper presents fabrication and RF characterization results of spiral inductors fabricated using a developed damascene-like thick-copper / polyimide process module. This module has low thermal budget and is compatible with current IC interconnect archi ...

2005

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

Michel Declercq, Norbert Jöhl, Catherine Dehollain

2005

A model for mu;-power rectifier analysis and design

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

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

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, Florin Udrea, Dimitrios Tsamados

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

Optimisation du minimum de gain dans le cadre de l'adaptation à large bande

Catherine Dehollain

EPFL1995

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