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Modified reference SPS with solid state transmitting antennaThe motivations for considering solid state microwave power amplifiers for the solar power satellite transmitting antenna are the possibilities of greatly increased system reliability due to elimination of electron tube cathodes, a lower mass per unit power and transmitting array area due to the high power densities obtainable in semiconductors, and, probably, cost savings due to development of small hardware items that can be handled by individuals instead of organizations. In order to provide a fair assessment where we stand today with regard to solid state SPS technology, the design described here is close to that of the NASA/DOE reference and is implemented using today's solid state technology with only a small "push". The small push is raising the efficiency of DC-RF conversion from the .68 obtained by RCA in 1975 to somewhat over .8 of the solid state SPS. This is generally considered feasible by semiconductor industry representatives. Other solid state SPS configurations can yield somewhat better performance. However, these generally do not provide as fair a vehicle for comparison with the reference and usually also incorporate somewhat more advanced technologies.
Document ID
19820004693
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Woodcock, G. R.
(Boeing Aerospace Co. Seattle, WA, United States)
Sperber, B. R.
(Boeing Aerospace Co. Seattle, WA, United States)
Date Acquired
August 10, 2013
Publication Date
January 1, 1980
Publication Information
Publication: NASA. Johnson Space Center Workshop on Microwave Power Transmission and Reception
Subject Category
Energy Production And Conversion
Accession Number
82N12566
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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