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Bit-synchronizer lock detectorCircuit measures phase error that exists in phase-locked loop between clock signal recorded in data on magnetic tape and reconstructed clock signal. Circuit presents error as digital word that can be compared with predetermined threshold to indicate lock status. With simple alterations, circuit can also be used as phase detector.
Document ID
19780000164
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Huey, D. C.
(TRW, Inc.)
Itri, B. A.
(TRW, Inc.)
Date Acquired
August 9, 2013
Publication Date
October 1, 1978
Publication Information
Publication: NASA Tech Briefs
Volume: 3
Issue: 2
ISSN: 0145-319X
Subject Category
Electronic Systems
Report/Patent Number
MSC-16744
Accession Number
78B10164
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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