A CMOS Self-Powered Front-End Architecture for Subcutaneous by Jordi Colomer-Farrarons, Pere MIRIBEL

By Jordi Colomer-Farrarons, Pere MIRIBEL

A CMOS Self-Powered Front-End structure for Subcutaneous Event-Detector units offers the perception and prototype cognizance of a Self-Powered structure for subcutaneous detector units. The structure is designed to paintings as a true/false (event detector) or threshold point alarm of a few components, ions, etc... which are detected via a three-electrodes amperometric BioSensor method. The machine is envisaged as a Low-Power subcutaneous implantable software powered through an inductive hyperlink, one emitter antenna on the exterior facet of the surface and the receiver antenna lower than the outside. The sensor is managed with a Potentiostat circuit after which, a post-processing unit detects the specified degrees and prompts the transmission through a backscattering technique through the inductive hyperlink. the entire instrumentation, other than the facility module, is applied within the so referred to as BioChip. Following the assumption of the powering hyperlink to reap power of the magnetic prompted hyperlink on the implanted gadget, a Multi-Harvesting energy Chip (MHPC) has been additionally designed.

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Extra resources for A CMOS Self-Powered Front-End Architecture for Subcutaneous Event-Detector Devices: Three-Electrodes Amperometric Biosensor Approach

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ICCEE ’09. 2nd International Conference on Vol. 1 (28–30 Dec 2009) pp. 158–162 114. J. D. Y. Park, Flexible enzyme free glucose micro-sensor for continuous monitoring applications. Solid-State Sensors, Actuators and Microsystems Conference, 2009. TRANSDUCERS 2009. International 21–25 June 2009 pp. 1806–1809 115. D. M. Raj, Jin Liu, R. Narayan, M. Iyer, R. Tummala, Electrochemical Biosensors and Microfluidics in Organic System-on-Package Technology Electronic Components and Technology Conference, 2007.

2 V is the LDO regulated voltage). The adopted control option in Multiple Storage Device (MSD) mode is just to connect directly the load with the source. 2 depicts the final IC layout. The IC has been tested with the Demo-Board presented in Fig. 3. Six solar cells XOB17 from IXYS [14] are used to harvest solar energy. Each one of them could be connected with the others using a serial or parallel connection. 5 V and 11 mA in the Pmpp point. 1. Several Piezoelectric transducers are used to handle with the mechanical vibrations.

This difference is compared with the desired Vin by OP2 in order to drive properly the counter (C) electrode and to maintain controlled the VRW voltage. The architecture in Fig. 9 is the selected one to design the implantable electronics and it is explained in detail in Chapter 3. The previous potentiostat architecture uses a classical Transimpedance amplifier configuration to detect the current. In order to solve the frequency bandwidth limitations associated with the standard TIA, other options could be studied for the analogue readout of the signal like the ones presented in Fig.

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