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Medical & Biological Engineering & Computing
Published in: Medical & Biological Engineering & Computing 6/2008

01-06-2008 | Technical Note

Bootstrapped two-electrode biosignal amplifier

Authors: Dobromir Petkov Dobrev, Tatyana Neycheva, Nikolay Mudrov

Published in: Medical & Biological Engineering & Computing | Issue 6/2008

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Abstract

Portable biomedical instrumentation has become an important part of diagnostic and treatment instrumentation. Low-voltage and low-power tendencies prevail. A two-electrode biopotential amplifier, designed for low-supply voltage (2.7–5.5 V), is presented. This biomedical amplifier design has high differential and sufficiently low common mode input impedances achieved by means of positive feedback, implemented with an original interface stage. The presented circuit makes use of passive components of popular values and tolerances. The amplifier is intended for use in various two-electrode applications, such as Holter monitors, external defibrillators, ECG monitors and other heart beat sensing biomedical devices.
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Metadata
Title
Bootstrapped two-electrode biosignal amplifier
Authors
Dobromir Petkov Dobrev
Tatyana Neycheva
Nikolay Mudrov
Publication date
01-06-2008
Publisher
Springer-Verlag
Published in
Medical & Biological Engineering & Computing / Issue 6/2008
Print ISSN: 0140-0118
Electronic ISSN: 1741-0444
DOI
https://doi.org/10.1007/s11517-008-0312-4

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