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Simple, Inexpensive ServoamplifierCircuit based on consumer-market audio-amplifier chip. Stereo audio amplifier chip, connected as servoamplifier, supplies more than 1 A to motor. Amplifier used in analog configuration to supply proportional torque to motor, simpler circuits and more efficient use of energy result when utilized in pulse-width-modulation mode. Pulse-width signals generated directly by computer software or external pulse-width-modulation generator.
Document ID
19870000380
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Garner, H. Douglas (NASA Langley Research Center, Hampton, Va.)
Date Acquired
August 13, 2013
Publication Date
September 1, 1987
Publication Information
Publication: NASA Tech Briefs
Volume: 11
Issue: 8
ISSN: 0145-319X
Subject Category
Electronic Components And Circuits
Report/Patent Number
LAR-13538
Report Number: LAR-13538
ISSN: 0145-319X
Accession Number
87B10380
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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