A 2-PIN LOADED PATCH AS A MULTIBAND ANTENNA
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A 2-PIN LOADED PATCH AS A MULTIBAND ANTENNA摘要
A new microstrip patch antenna, capable of dual or
triple band operation is proposed. The patch is
circular in shape and is loaded by two shorting pins
having a certain angular separation of 2α. The
dominant cavity modes of the patch antenna are
studied using a developed rigorous theory. It is found
that the first three dominant modes of the loaded
patch can act as good radiators with distinct resonant
frequencies, hence providing dual or triple-band
operation. Salient mode characteristics such as the
resonant frequency, radiation power, and the
radiation quality factors are derived. Numerical
results showing the dependence of these parameters
on the angular separation angle 2α and the patch
geometry are presented and compared with several
simulations obtained by Zealand IE3D software.
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