Title:
Compact Circularly Polarized Enhanced Gain Microstrip Antenna on High Permittivity Substrate
Author(s):
Nasimuddin , Karu Esselle, A. K. Verma
Source:
APMC2005 Proceedings
Vol./Issue/Date:
Volume 4
Year:
2005
Page(s):
4 pp.
Keywords:
Abstract:
A new combination of proximity coupled circular
microstrip antenna and a square quasi-planar surface mounted
short horn is proposed on the high permittivity substrate (er=
10.2) to increase the gain of a compact circularly polarized patch
by 4.46 dB. This antenna structure has gain 9.0 dBi and over 3
dB beamwidth (700) the axial ratio (AR) is 0.11 dB. The AR
bandwidth is 1.31%. The surface mounted horn provides flat
gain over AR ratio bandwidth. The horn improves the side lobe
level and the back lobe level between 7 dB to 10 dB. The patch
structure has 12% area reduction over normal circular
microstrip patch antenna. Total thickness of stricture is only 13
mm.
Document:
Reference Id:
11
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