Publications by Franco Maloberti

An Energy-Efficient Bridge-to-Digital Converter for Implantable Pressure Monitoring Systems

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

This paper presents an energy-efficient, duty-cycled, and spinning excitation bridge-to-digital converter (BDC) designed for implantable pressure sensing systems. The circuit provides the measure of the pulmonary artery pressure that is particularly releva ...

2022

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

Adaptive Learning-Based Compressive Sampling for Low-power Wireless Implants

Catherine Dehollain, Yusuf Leblebici, Volkan Cevher, Mahsa Shoaran, Gürkan Yilmaz, Franco Maloberti, Cosimo Aprile, Kerim Türe, Luca Baldassarre

Implantable systems are nowadays being used to interface the human brain with external devices, in order to understand and potentially treat neurological disorders. The most predominant design constraints are the system’s area and power. In this paper, we ...

2018

Remotely-Powered Front-End at 2.45 GHz for Real-Time Continuous Temperature Sensing

Catherine Dehollain, Onur Kazanç, Franco Maloberti

Remote powering and power management of a passive sensor system employing antenna-rectifier co-design is presented. The operating frequency of the system is chosen at 2.45 GHz in order to reduce the antenna size. A co-design approach enables the coupling o ...

IEEE2018

All Wireless, 16-channel Epilepsy Control System with Sub-mu W/channel and Closed-loop Stimulation Using a Switched-Capacitor-Based Active Charge Balancing Method

Catherine Dehollain, Alexandre Schmid, Franco Maloberti, Kerim Türe, Reza Ranjandish

An all wireless closed-loop stimulation system for epilepsy control is presented that generates charged-balanced programmable stimulation current pulses upon a seizure is detected. The proposed system has highly flexible stimulation parameters thanks to th ...

IEEE2018

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

Catherine Dehollain, Alexandre Schmid, Gürkan Yilmaz, Franco Maloberti, Kerim Türe, Reza Ranjandish

IEEE2017

Optimization of the Data Rate of an OOK CMOS Medical Transmitter Based on LC Oscillators

Catherine Dehollain, Gürkan Yilmaz, Franco Maloberti, Kerim Türe

This paper presents techniques for increasing communication data rates for OOK modulated signals in the case the carrier frequency is generated by a cross-coupled pair LC oscillator. The proposed circuitry completely turns off the transmitter during the tr ...

Ieee2016

Remotely powered PPM demodulator by inductive coupling for rodent applications

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

A low-power pulse position modulation (PPM) demodulator has been developed for remotely powered batteryless implantable devices. The required power for the implantable device is provided by the magnetic coupling with the external array of powering of coils ...

Springer Verlag2016

A Remotely Powered Implantable Biomedical System With Location Detector

Catherine Dehollain, Enver Gürhan Kilinç, Franco Maloberti

An universal remote powering and communication system is presented for the implantable medical devices. The system be interfaced with different sensors or actuators. A mobile external unit controls the operation of the implantable chip and reads the sensor ...

Ieee-Inst Electrical Electronics Engineers Inc2015

A System for Wireless Power Transfer and Data Communication of Long-Term Bio-Monitoring

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

A system for wireless power transfer and data communication of implantable bio-monitoring systems is presented. The proposed solution uses a servo-controlled power transmitter moved under the animal moving space. An x-y movable magnetic coil transmits the ...

Institute of Electrical and Electronics Engineers2015

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

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

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

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

Remote Powering Platform for Implantable Sensor Systems at 2.45 GHz

Catherine Dehollain, Onur Kazanç, Gürkan Yilmaz, Franco Maloberti

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

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

Remotely powered implantable heart monitoring system for freely moving animals

Philippe Renaud, Catherine Dehollain, Harald Van Lintel, Enver Gürhan Kilinç, Franco Maloberti, Alejandro Coronado Moya

This paper presents a remotely powered implantable heart monitoring system for freely moving animals. The system measures the blood pressure in the left ventricle of the heart and transmits the data to a database unit. The implanted unit is remotely powere ...

IEEE2013

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

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

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

Catherine Dehollain, Onur Kazanç, Franco Maloberti

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