Systematic design of microstrip arrays at the Ku band

Author

Bondyopadhyay, P.K.

Author_Institution

NASA Johnson Space Center, Houston, TX, USA

fYear

1991

fDate

24-28 June 1991

Firstpage

580

Abstract

The author presents systematic design steps leading to the fabrication and testing of practical microstrip arrays operating at the Ku-band. The following specifications are considered: frequency: 15.0 GHz; performance bandwidth: 500 MHz; gain: 13 dB; polarization: right-handed circular; 3 dB beamwidth: approx. 50 degrees ; axial ratio: 1 dB; sidelobe level: better than -10 dB; and disposition: modular subarray configuration. Several four-element arrays have been fabricated and tested. Preliminary results show that by placing one or two layers of filter screens (arrays of suitable patches) the axial ratio performance could be favorably modified and the gain, sidelobe level, and bandwidth could simultaneously be improved.<>

Keywords

microstrip antennas; microwave antenna arrays; microwave measurement; 13 dB; 15 GHz; 3 dB beamwidth; 500 MHz; Ku-band; SHF; axial ratio; design; fabrication; filter screens; gain; microstrip arrays; modular subarray configuration; performance bandwidth; right handed circular polarisation; sidelobe level; testing; Bandwidth; Fabrication; Feeds; Microstrip antenna arrays; Microstrip antennas; NASA; Phased arrays; Polarization; Postal services; Testing;

fLanguage

English

Publisher

ieee

Conference_Titel

Antennas and Propagation Society International Symposium, 1991. AP-S. Digest

Conference_Location

London, Ontario, Canada

Print_ISBN

0-7803-0144-7

Type

conf

DOI

10.1109/APS.1991.174906

Filename

174906