Abstract
This paper presents the analysis of an array of rectangular micro strip patch antenna radiating at a resonant frequency of ISM band (2.4GHz) and it is integrated with the band pass filter to pass only the desired frequency without any harmonics. The proposed radiator has been constructed using FR4 epoxy substrate having a value of 4.4 as dielectric constant, while the thickness of the substrate (h) being kept at 1.6mm. The gain, field pattern and RL (return loss) are obtained through the simulated results, which have been analyzed and compared with fabricated radiator using network analyzer. It has observed that the array axis along the radiating slot with corporate-feed and with the band pass filter has increased gain in comparison with the single patch antenna and antenna array without band pass filter.
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