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A millimeter-wave pumped X-band uncooled parametric amplifier.GaAs Schottky barrier varactors with a cutoff frequency of 800 GHz are used in a balanced diode-type parametric amplifier operating with a signal frequency at 7.5 GHz. The room-temperature parameters of the amplifier are a gain of 15 dB, a bandwidth of 500 MHz, and an excess noise temperature of 63 K (a noise figure of 0.86 dB).
Document ID
19720039751
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Dickens, L. E. (Westinghouse Defense and Space Center Baltimore, Md., United States)
Date Acquired
August 6, 2013
Publication Date
March 1, 1972
Publication Information
Publication: IEEE
Subject Category
Electronic Equipment
Accession Number
72A23417
Funding Number(s)
CONTRACT_GRANT: NAS5-20149
Distribution Limits
Public
Copyright
Other

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