Publication

Implantable ultra-low power DSP-based system for a miniature chemico-rheological biosensor

Peter Ryser, Eric Meurville, Léandre Bolomey
2009
Conference Papers

Abstract

An active implantable chemico-rheological sensor including control electronics, a Digital Signal Processor (DSP) and an RF transceiver has been demonstrated. The ultra-low power system architecture achieves an energy per viscosity measurement of only 16.6mJ of which 56% are dedicated to the micro-rheometer, 40% to the transceiver, and 4% to the DSP. Four coins batteries with a capacity of 150J each (Energizer 376) enabled a life time of 28’500 cycles at 37°C. The System in Package (SiP) fits in a 8.4mm in diameter cylinder and hence is implantable. As this generic system is fully programmable, it may further control any biosensor or bioactuator.

Official source

https://infoscience.epfl.ch/entities/publication/43372e4d-29e6-4c16-bd6d-6e785e4ffeb8

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Peter Ryser, Eric Meurville, Léandre Bolomey
2009
Conference Papers

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/43372e4d-29e6-4c16-bd6d-6e785e4ffeb8

About this result

Related concepts (31)

Digital signal processor

A digital signal processor (DSP) is a specialized microprocessor chip, with its architecture optimized for the operational needs of digital signal processing. DSPs are fabricated on MOS integrated circuit chips. They are widely used in audio signal processing, telecommunications, , radar, sonar and speech recognition systems, and in common consumer electronic devices such as mobile phones, disk drives and high-definition television (HDTV) products. The goal of a DSP is usually to measure, filter or compress continuous real-world analog signals.

Digital signal processing

Digital signal processing (DSP) is the use of digital processing, such as by computers or more specialized digital signal processors, to perform a wide variety of signal processing operations. The digital signals processed in this manner are a sequence of numbers that represent samples of a continuous variable in a domain such as time, space, or frequency. In digital electronics, a digital signal is represented as a pulse train, which is typically generated by the switching of a transistor.

Signal processing

Signal processing is an electrical engineering subfield that focuses on analyzing, modifying and synthesizing signals, such as sound, , potential fields, seismic signals, altimetry processing, and scientific measurements. Signal processing techniques are used to optimize transmissions, digital storage efficiency, correcting distorted signals, subjective video quality and to also detect or pinpoint components of interest in a measured signal. According to Alan V. Oppenheim and Ronald W.

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