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Resonant Length Formulations for Dual Band Slot Cut Equilateral Triangular Microstrip Antennas

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DOI: 10.4236/wet.2010.12009    6,615 Downloads   12,067 Views Citations

ABSTRACT

The dual band equilateral triangular microstrip antennas are realized by cutting the slots of either quarter wave or half wave in length, inside the patch. In this design, however these simpler approximations of slot length against the frequency do not give closer results for different slot lengths and there positions inside the patch. In this paper, the modal variations of slot cut patch antennas over wide frequency range are studied. It is observed that the slot does not introduce any mode but reduces the higher order mode resonance frequency of the patch and along with the fundamental mode realizes dual band response. The formulations of the resonant length for the mode introduce by the slots in these antennas are proposed. The resonance frequencies calculated using proposed formulations agree well with the simulated results with an error of less than 5%.

Cite this paper

A. Deshmukh and K. Ray, "Resonant Length Formulations for Dual Band Slot Cut Equilateral Triangular Microstrip Antennas," Wireless Engineering and Technology, Vol. 1 No. 2, 2010, pp. 55-63. doi: 10.4236/wet.2010.12009.

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