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Pulse width-pulse rate modulatorAttitude control system designed for rockets regulates duty cycle of pneumatic valves so less fuel is required. Operation time of each valve is directly proportional to error signal and the dead band about a null is controlled by independently adjustable threshold circuits.
Document ID
19710000494
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Cooke, W. A.
(LOCKHEED MISSILES AND SPACE CO.)
Date Acquired
August 6, 2013
Publication Date
December 1, 1971
Subject Category
Electronic Components And Circuits
Report/Patent Number
ARC-10025
Report Number: ARC-10025
Accession Number
71B10497
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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