Re: How does EEG's work?

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Article #14955

#14955

From: Thomas Schaerer
Date: Mon, 14 Dec 1992 18:53

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Eric Cantrell (cantrell@sauron.msfc.nasa.gov) wrote:

: 3) I know that EKG's use some kind of dual precision amplifiers, does EEG's
: pretty much use the same scheme?

If you build the amplifier with opamps, you need THREE opamps to make a
instrumental-amplifier with symmetrical high-input-impedance. But there are
integrated instrumental-amplifier too.

Bye Thomas

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Path: arc1-ca.pugleaf.net!sparky!uunet!mcsun!chsun!bernina!schaerer
From: schaerer@isi.ethz.ch (Thomas Schaerer)
Subject: Re: How does EEG's work?
Message-ID: <1992Dec14.185309.21059@bernina.ethz.ch>
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Date: Mon, 14 Dec 1992 18:53:09 GMT
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