DocumentCode
806846
Title
Spiral antenna with coplanar strip line feed
Author
Nakano, Hisamatsu ; Yamauchi, Junji ; Hirose, Keikichi
Author_Institution
Hosei Univ., Tokyo, Japan
Volume
28
Issue
23
fYear
1992
Firstpage
2130
Lastpage
2131
Abstract
A low-profile spiral antenna composed of a small number of turns is developed as a radiation element for circular polarisation. The spiral is fed without a balun circuit from a coplanar strip line located in the middle of two conducting planes. The upper plane has a circular aperture for the spiral to radiate. The spiral arm is optimised for 11.85 GHz. An array antenna consisting of four spirals is fabricated and the radiation characteristics are presented.
Keywords
antenna feeders; antenna radiation patterns; microwave antenna arrays; strip lines; 11.85 GHz; array antenna; circular aperture; circular polarisation; coplanar strip line feed; low-profile spiral antenna; radiation characteristics; radiation element; spiral arm;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:19921367
Filename
172996
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