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Browse Journals & Magazines > Antennas and Propagation, IEE ...> Volume:52 Issue:8 Help

Resonant frequency of equilateral triangular microstrip antenna with and without air gap

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2 Author(s)
Guha, D. ; Inst. of Radio Phys. & Electron., Univ. of Calcutta, India ; Siddiqui, J.Y.

A tunable equilateral triangular microstrip patch (ETMP) antenna with a variable air gap between the substrate and the ground plane has been studied theoretically and experimentally. Calculated resonant frequencies for different air gap heights have been verified with measurements of a coax-fed antenna. The tunability of the antenna as a function of the air gap height is studied theoretically showing over 200% tunable range of an ETMP with 50 mm side length printed on a substrate with εr=10.5. The computed results for the antennas with zero air gap height are compared with a standard spectral domain moment method analysis supported by other previously reported experiments. Very close agreement is revealed in all comparisons.

Published in:
Antennas and Propagation, IEEE Transactions on  (Volume:52 ,  Issue: 8 )

Date of Publication: Aug. 2004

Page(s):
2174 - 2178
ISSN :
0018-926X
INSPEC Accession Number:
8113153
Digital Object Identifier :
10.1109/TAP.2004.832504
Product Type:
Journals & Magazines
Date of Current Version :
09 August 2004
Issue Date :
Aug. 2004
Sponsored by :
IEEE Antennas and Propagation Society

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