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Design of a 12 channel fm microwave receiverThe design, fabrication, and performance of elements of a low cost FM microwave satellite ground station receiver is described. It is capable of accepting 12 contiguous color television equivalent bandwidth channels in the 11.72 to 12.2 GHz band. Each channel is 40 MHz wide and incorporates a 4 MHz guard band. The modulation format is wideband FM and the channels are frequency division multiplexed. Twelve independent CATV compatible baseband outputs are provided. The overall system specifications are first discussed, then consideration is given to the receiver subsystems and the signal branching network.
Document ID
19740024495
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Risch, C. O. (Washington Univ. Saint Louis, MO, United States)
Rosenbaum, F. J. (Washington Univ. Saint Louis, MO, United States)
Gregory, R. O. (Washington Univ. Saint Louis, MO, United States)
Date Acquired
September 3, 2013
Publication Date
July 1, 1974
Subject Category
Communications
Report/Patent Number
R(T)-74/2
NASA-CR-140056
Accession Number
74N32608
Funding Number(s)
CONTRACT_GRANT: NGR-26-008-054
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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