| A transconductance driven-right-leg circuit. | |
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MedLine Citation:
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PMID: 10612904 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Biopotential measurements are very sensitive to electromagnetic interference (EMI). EMI gets into the acquisition system by many ways, both as differential and common mode signals, driven-right-leg circuits (DRL) are widely used to reduce common mode interference. This paper reports an improvement on the classic DRL. The proposed circuit uses a transconductance amplifier to drive the patient's body. This configuration has some interesting properties, which provide an extended bandwidth for high-frequency EMI rejection (such as fluorescent lights interference). The improvement is around 20 dB for frequencies of few kilohertz and the circuit is easy to compensate for stability. A comparative analysis against a typical DRL is presented, the results obtained have been experimentally tested. |
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Authors:
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E M Spinelli; N H Martínez; M A Mayosky |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: IEEE transactions on bio-medical engineering Volume: 46 ISSN: 0018-9294 ISO Abbreviation: IEEE Trans Biomed Eng Publication Date: 1999 Dec |
Date Detail:
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Created Date: 2000-02-22 Completed Date: 2000-02-22 Revised Date: 2009-11-11 |
Medline Journal Info:
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Nlm Unique ID: 0012737 Medline TA: IEEE Trans Biomed Eng Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 1466-70 Citation Subset: IM |
Affiliation:
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Industrial Electronics, Control and Instrumentation Laboratory (LEICI), Facultad de Ingeniería, Universidad Nacional de La Plata (UNLP) CC 91, Argentina. spinelli@venus.fisica.unlp.edu.ar |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Electric Conductivity Electricity* Electrophysiology Humans Models, Theoretical Radiation* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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