Title :
Low loss waveguide four-port crossover circuit and its application for cross-slot antenna feed
Author :
Chang, Kuo-Pin ; Li, Meng ; Hummer, K.A. ; Speciale, R.A.
Author_Institution :
Dept. of Electr. Eng., Texas A&M Univ., College Station, TX, USA
fDate :
5/23/1991 12:00:00 AM
Abstract :
A novel four-port waveguide crossover circuit was developed with an insertion loss of less than 0.7 dB and an isolation of over 18 dB. The circuit was successfully used to feed a dual-polarisation cross-slot antenna backed by a cylindrical cavity.
Keywords :
antenna feeders; cavity resonators; rectangular waveguides; waveguide antennas; waveguide components; cross-slot antenna feed; cylindrical cavity; dual-polarisation; four-port crossover circuit; low loss waveguide; microwave antennas;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19910621
