A low power, low noise heart variability sensor design

Date

2013-05

Authors

Amimeur, Yuliwas

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Abstract

This project shows a design for a low power and low noise analog front end for a heart variability sensor. Chopper Stabilization is a well known technique for reducing noise of an amplifier and is used to reduce the noise in the Instrumentation Amplifier in this project. A d/dt peak detector is used to find the peaks of the heart beats. Low power, low noise heart variability sensors can look for patterns in a patient’s heart beat which can be correlated to known patterns for certain diseases. This can help doctors determine a patient’s susceptibility to these disease and prescribe preventitive treatment in advance

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