A prototype DSN X/S-band feed: Model 3 development

Details A prototype DSN X/S-band feed: Model 3 development A prototype DSN X/S-band feed: Model 3 development

Aug 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986tdar.nasa...26b&link_type=abstract

In its The Telecommunications and Data Acquisition Report (date p 26 - 32 (SEE N87-11024 02-32)

Physics

Antenna Design, Antenna Feeds, Cassegrain Antennas, Deep Space Network, Radio Antennas, Superhigh Frequencies, Ultrahigh Frequencies, Antenna Radiation Patterns, Apertures, Prototypes

Scientific paper

The development of a prototype X/S-band common aperture Cassegrain feedhorn for Deep Space Network (DSN) use is discussed. A Model 3 combiner has been developed to increase S-band bandwidth to include the Highly Elliptical Earth Orbiter band from 2025 to 2110 MHz, and to provide a 400-kW CW S-band uplink and a possible planetary radar band near 2320 MHz. The combiner uses eight S-band waveguide injection slots arranged in four pairs. The problems of this design geometry associated with rejection filtering and X/S-band matching are discussed.

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