Abstract
The previous single element antenna was made of two separated layers, one for the patch antenna (upper) and the other for the feed-line (below), using proximity feed for a thin configuration. In this time, a novel dual feed antenna with a hole-truncated is proposed for the generation of a compact LHCP (Left Handed Circular Polarization) using a compact equilateral triangular-patch antenna, that one of the microstrip-line feeds is longer than the other for introducing a 90° phase delay. The influence of the hole-truncated that embedded on the patch is investigated to make the patch antenna smaller than the previous antenna. The method of moments (IE3D Zeland Software) is used considering a finite ground analysis. The simulation results show that the patch length decreases by 12.65 % (a = 52.80 mm to a = 46.12 mm) with a gain and axial ratio at 2.5025 GHz being 6.82 dBic and 0.66 dB, respectively. The bandwidth of the hole-truncated antenna, by comparison of the previous antenna is smaller.
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