Title :
Low-loss Ka-band frequency selective subreflector
Author :
Ueno, K. ; Kumazawa, H. ; Ohtomo, I.
Author_Institution :
NTT Radio Commun. Syst. Labs., Kanagawa, Japan
fDate :
6/20/1991 12:00:00 AM
Abstract :
A frequency selective subreflector with two separate focal fed positions for a 30/20 GHz offset Gregorian reflector antenna is newly developed. For a bandwidth exceeding 3 GHz in the 20 and 30 GHz band, the measured losses are 0.7 and 1.5 dB, respectively.
Keywords :
antenna reflectors; directive antennas; losses; reflector antennas; satellite antennas; 0.7 dB; 1.5 dB; 20 GHz; 3 GHz; 30 GHz; Ka-band; SHF; frequency selective subreflector; offset Gregorian reflector antenna; separate focal fed positions;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19910720
