Title :
Simple small primary feed for large opening angles and high aperture efficiency
Author :
Wohlleben, R. ; Mattes, H. ; Lochner, O.
Author_Institution :
Max-Planck-Institut fÿr Radioastronomie, Bonn, West Germany
Abstract :
The most important characteristics of a waveguide feed with four ¿/4 chokes offset from the waveguide aperture are discussed. This feed is useful for illumination of deep paraboloidal reflectors (F/D < 0.35) and shows very good E-H plane equality and broad pattern bandwidth.
Keywords :
antenna feeders; antenna radiation patterns; antenna reflectors; antenna radiation patterns; deep paraboloidal reflector antenna; waveguide feeders;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19720341
