DocumentCode
1151039
Title
Annular ring microstrip antennas on biased ferrite substrates
Author
Tsang, Kwok King ; Langley, Richard J.
Author_Institution
Electron. Eng. Labs., Kent Univ., Canterbury
Volume
30
Issue
16
fYear
1994
fDate
8/4/1994 12:00:00 AM
Firstpage
1257
Lastpage
1258
Abstract
Properties of annular ring microstrip antennas printed on magnetically biased ferrite substrates are reported. Experimental results for the fundamental TM11 mode and a higher-order TM 21 mode are described. Circular polarisation is generated using a single electromagnetically coupled feed for both modes. The resonance frequency can be tuned over a 15% range using a magnetic bias normal to the patch and ferrite
Keywords
antenna feeders; antenna radiation patterns; electromagnetic wave polarisation; ferrite applications; microstrip antennas; resonance; substrates; tuning; annular ring microstrip antennas; biased ferrite substrates; circular polarisation; electromagnetically coupled feed; fundamental TM11 mode; higher-order TM21 mode; magnetically biased substrates; resonance frequency tuning;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:19940869
Filename
312006
Link To Document