Improved formulas for input impedance of coax-fed microstrip patch antennas

1 January 1982

journal article
Published by Institution of Engineering and Technology (IET) in IEE Proceedings H Microwaves, Optics and Antennas

Vol. 129 (4) , 161-164
https://doi.org/10.1049/ip-h-1.1982.0033

Abstract

The input impedances of rectangular and circular antennas have been improved by more accurate expressions for the input reactances and radiation conductances. The theory includes the effects of extended antenna patches due to fringe fields at the edge. Surface toughness of the dielectric substrate has also been accounted for. The measured and calculated curves for input impedances agree well.

Keywords

CIRCULAR ANTENNAS
ANTENNA PATCHES
RADIATION CONDUCTANCES
DIELECTRIC SUBSTRATE
INPUT IMPEDANCE
SURFACE TOUGHNESS
FRINGE FIELDS
COAX-FED MICROSTRIP PATCH ANTENNAS

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