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program HFSS® (High Frequency Structural Simulator) to operate at a frequency of
2.4 GHz, frequency for use in wireless network, as shown in figure 1:
Fig. 1.
Simulation of the Antenna using the program HFSS® (High Frequency Structural
Simulator)
The 2.4 GHz band is a frequency intended for use in wireless network, and is
available in most countries. The substrate used is ULTRALAM® 3850, of the Rogers
Corporation, which has relative permittivity equal 2.9, thickness of 0.05 mm and a
loss tangent , ʴ = 0.0025 [3].
Using the TTL method and HFSS ™ (High Frequency Structural Simulator)
program, was designed a cylindrical rectangular antenna to operate at a frequency of
2.4 GHz [4].
The Fig.2 relates the resonant frequency with of the length of the antenna, for ʵr =
2.9 and a width fixed equal 44 mm:
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