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Low-frequency attenuator circuitCircuit uses only single operational amplifier and few passive components to remove background noise from miniature "wristwatch" pulse detector. It can be applied to other systems where background noise is slowly varying, such as ultrasonics, strain-gage sensors, and accelerometers.
Document ID
19790000010
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Cash, W. H., Jr.
(Martin Marietta Corp.)
Polyhemus, J. T.
(Martin Marietta Corp.)
Date Acquired
August 10, 2013
Publication Date
August 1, 1979
Publication Information
Publication: NASA Tech Briefs
Volume: 4
Issue: 1
ISSN: 0145-319X
Subject Category
Electronic Components And Circuits
Report/Patent Number
FRC-11012
Accession Number
79B10010
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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