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A study of microwave downcoverters operating in the K sub u bandA computer program for parametric amplifier design is developed with special emphasis on practical design considerations for microwave integrated circuit degenerate amplifiers. Precision measurement techniques are developed to obtain a more realistic varactor equivalent circuit. The existing theory of a parametric amplifier is modified to include the equivalent circuit, and microwave properties, such as loss characteristics and circuit discontinuities are investigated.
Document ID
19820012493
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Fellers, R. G. (South Carolina Univ. Columbia, SC, United States)
Simpson, T. L. (South Carolina Univ. Columbia, SC, United States)
Tseng, B. (South Carolina Univ. Columbia, SC, United States)
Date Acquired
September 4, 2013
Publication Date
January 1, 1982
Subject Category
Communications And Radar
Report/Patent Number
NAS 1.26:161393
NASA-CR-161393
Accession Number
82N20367
Funding Number(s)
CONTRACT_GRANT: NAS8-28660
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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