Harmonic Suppression Rectangular Patch Antenna with Circularly Polarized
Abstract: The rectangular
patch antenna with proximity coupling at 2.45 GHz is designed and printed on FR-4
substrate with dielectric constant r 4.3 and loss tangent 0.019. The
overall size of proposed antenna gives 36 % reduction of substrate area as
compared to conventional designs. The symmetrical arm of inverted U-stub and
U-slot embedded on the transmission feed line suppress harmonic signal ffectively at second and third order with
minimum reflection coefficients of –0.51 dB and -2.28 dB respectively while
circularly polarization was obtained by corner truncated and U-slot on the
patch element. The return loss is -23.95 dB at fundamental modes with gain 4.61
dB and axial ratio of 1.48 dB.
Keywords: circularly
polarization (CP), harmonic rejection, microstrip patch antenna, rectenna and
stub
Author: Nurzaimah Zainol,
Zahriladha Zakaria, Maisarah Abu, Mawarni Mohamed Yunus
Journal Code: jptkomputergg160185
