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Phase and frequency self-configurable efficient low voltage harvester for zero power wearable devices

Related publications (32)

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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

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A continuous-time (CT) ΣΔ modulator for sensing and direct analog-to-digital conversion of nA-range (subthreshold) currents is presented in this work. The presented modulator uses a subthreshold technique based on subthreshold source-coupled logic cells to ...

Wiley2015

A Low Power On-Chip Class-E Power Amplifier For Remotely Powered Implantable Sensor Systems

Catherine Dehollain, Enver Gürhan Kilinç, Kerim Türe

This paper presents a low power fully integrated class-E power amplifier and its integration with remotely powered sensor system. The class-E power amplifier is suitable solution for low-power applications due to its high power efficiency. However, the req ...

Spie-Int Soc Optical Engineering2015

An energy-aware method for the joint recognition of activities and gestures using wearable sensors

Karl Aberer, Julien Eberle, Dipanjan Chakraborty

This paper presents an energy-aware method for recognizing time series acceleration data containing both activities and gestures using a wearable device coupled with a smartphone. In our method, we use a small wearable device to collect accelerometer data ...

ACM2015

Remotely-Powered Batteryless Implantable Local Temperature Monitoring System for Freely Moving Mice

Brown adipose fat tissue of a mouse dissipates the animal’s energy in the form of heat. Chronically recording the temperature of this tissue helps biologists to study the metabolism of the animal and gain new insights about the obesity in humans. Such temp ...

EPFL2014

Lab-on-a-chip implants: a mini lab under the skin

Giovanni De Micheli

We have realized an implantable and wearable system for the continuous monitoring of human metabolites, such as glucose, lactate, ATP, etc.. The implantable portion of the device consists of a cylinder of 2.2 mm in diameter and 15 mm in length to be insert ...

2013

A Closed-Loop Remote Powering Link for Wireless Cortical Implants

Catherine Dehollain, Michel Declercq, 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

Low-Power Circuits and Systems Design for Data Acquisition and Transmission in a Wireless Cortical Implant

Vahid Majidzadeh Bafar

Minimally invasive monitoring of the electrical activity of specific cortical areas using implantable microsystems offers the promise of diagnosing neurological diseases, as well as detecting and identifying neural activity patterns which are specific to a ...

EPFL2012

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A highly integrated system for remote monitoring of several human metabolites is proposed. It is obtained by integrating several components, such as: bio-probes, carbon nanotubes, micro-fabricated gold-electrodes, temperature and pH sensors, extremely smal ...

Ieee2012

A Low-Overhead Method for Pre-bond Test of Resonant 3-D Clock Distribution Networks

Giovanni De Micheli, Vasileios Pavlidis, Somayyeh Rahimian Omam

Designing a low power clock network in synchronous circuits is an important task. This requirement is stricter for 3-D circuits due to the increased power densities. Resonant clock networks are considered efficient low power alternatives to con- ventional ...

2012