Title :
A lightweight, C-band, dual circularly polarized microstrip antenna for satellite applications
Author :
Sichan, L. ; Sorbello, R.M. ; Siddiqi, S. ; Upshur, J.I.
Author_Institution :
COMSAT Lab., Clarksburg, MD, USA
Abstract :
The authors describe a lightweight, dual circularly polarized microstrip antenna for use in communications satellite reflector feed arrays. The radiator is intended as one-for-one replacement for existing waveguide feeds and is designed to operate in the 3.625- to 4.073-GHz frequency band. It consists of a four-element array fed by two microstrip polarizing networks. The radiator, which has a square cross section measuring 1.45 lambda at midband frequency, is considerably lighter and more compact than waveguide feeds having similar gain and radiation patterns.<>
Keywords :
antenna feeders; antenna radiation patterns; microstrip antennas; microwave antenna arrays; satellite antennas; 3.625 to 4.073 GHz; C-band; SHF; communications satellite; dual circularly polarised antenna; four-element array; lightweight antenna; microstrip antenna; microstrip polarizing networks; radiation patterns; reflector feed arrays; satellite applications; square cross section; Antenna feeds; Artificial satellites; Frequency measurement; Gain measurement; Microstrip antenna arrays; Microstrip antennas; Optical arrays; Optical polarization; Reflector antennas; Satellite antennas;
Conference_Titel :
Antennas and Propagation Society International Symposium, 1989. AP-S. Digest
Conference_Location :
San Jose, CA, USA
DOI :
10.1109/APS.1989.134842
