Title :
Electromagnetically coupled curl antenna
Author :
Nakano, H. ; Yamazaki, M. ; Yamauchi, I.
Author_Institution :
Coll. of Eng., Hosei Univ., Tokyo, Japan
fDate :
6/5/1997 12:00:00 AM
Abstract :
The radiation characteristics of a curl antenna excited by an L-wire are presented. The frequency bandwidth for a 3 dB axial ratio criterion is ~6%, with a nearly resistive input impedance of 75 Ω. An array antenna of the 36 curls shows a gain of 23 dB with an aperture efficiency of 73%
Keywords :
frequency response; microwave antenna arrays; 23 dB; 73 percent; EM coupled curl antenna; L-wire excitation; array antenna; electromagnetic coupling; frequency bandwidth; radiation characteristics;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19970747
