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BioPotential Amplifier

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Roshdy

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bioamplifiers 2005

Dear all
I am preparing a presentation and a report in the biopotential amplifier, if any one can help me please reply.
thanks in advance
 

salmiakki

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Hi!

One important topology for biopotential amplifiers is instrumentation amplifier.

-salmiakki
 

sigui777

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As in many other fields the Operational Amplifier is a very useful block. As salmiakki said the instrumentation amplifier is widely used since it has a great CMRR, which means that cancels out most of the common mode noise. Also the high input impedance of the instrumentation amplifier make it perfect to be interface with sensors.

This website can be of help to you: http://sel18.hut.fi/166/Bioamplifiers-2005.pdf
It explain biopotentials in terms of Electrocardiograms (ECG). But you will find the information useful for any type of biopotencial you are interested. This pointer also will show some techniques to reduce electromagnetic pickup.

This other pointer http://users.rowan.edu/~polikar/CLASSES/ECE404/Lecture11.pdf includes some basic building blocks for biomedical applications.
 

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