A 343nW biomedical signal acquisition system powered by energy efficient (62.8%) power aware RF energy harvesting circuit

Patra, P and Yadav, K and Vamsi, N and Dutta, Asudeb (2016) A 343nW biomedical signal acquisition system powered by energy efficient (62.8%) power aware RF energy harvesting circuit. In: IEEE International Symposium on Circuits and Systems (ISCAS), 22-25 May 2016.

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Abstract

This work proposes an energy efficient wearable CMOS biomedical signal acquisition and digitization scheme powered by RF energy harvesting circuit. The system consists of a ultra-low power analog front end (AFE) incorporating low noise instrumentation amplifier (IA)(CMRR=75dB), two programmable gain amplifiers (PGA), mixed signal automatic gain control (AGC) and a successive approximation register (SAR) analog to digital converter (ADC)(10-bit). The full system is powered by a power aware RF energy harvesting circuit for an input range of -26dBm to -8dBm. The AFE along with ADC consumes 343nA with 1V supply voltage in UMC 0.18μm CMOS technology.

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IITH Creators:
IITH CreatorsORCiD
Dutta, AsudebUNSPECIFIED
Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Radio frequency, Energy harvesting, Electronics packaging, Gain control, Electrocardiography, Solid state circuits, Capacitors
Subjects: Others > Electricity
Divisions: Department of Electrical Engineering
Depositing User: Team Library
Date Deposited: 08 Sep 2016 09:23
Last Modified: 11 Sep 2017 09:16
URI: http://raiith.iith.ac.in/id/eprint/2734
Publisher URL: https://doi.org/10.1109/ISCAS.2016.7527548
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