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Wideband Linear Phase ModulatorPhase modulator for transmission in X band provides large phase deviation that remains nearly linear with voltage over relatively wide range. Operates with low loss over wide frequency band and with stable characteristics over wide temperature range. Phase modulator contains two varactor-diode phase shifters coupled via circulators. Separate drive circuit applies modulating voltages to varactor diodes. Modulation voltages vary in accordance with input to drive circuit.
Document ID
19940000199
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Mysoor, Narayan R.
(Caltech)
Mueller, Robert O.
(Caltech)
Date Acquired
August 16, 2013
Publication Date
April 1, 1994
Publication Information
Publication: NASA Tech Briefs
Volume: 18
Issue: 4
ISSN: 0145-319X
Subject Category
Electronic Components And Circuits
Report/Patent Number
NPO-18602
Accession Number
94B10199
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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