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An experimental study of microstrip antennas on very high permittivity ceramic substrates and very small ground planes

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2 Author(s)
A. Hoorfar ; Dept. of Electr. & Comput. Eng., Villanova Univ., PA, USA ; A. Perrotta

An experimental study of rectangular microstrip antennas on two ceramic composite substrates, barium-titanate with a dielectric constant of 37 and neodymium-titanate substrates with a dielectric constant of 85, is presented. The measured results for radiation patterns, cross-pol levels and resonant frequencies for antennas with ground planes as small as 1"×1" are given. It is shown that, for very small ground planes, the far-field pattern is smooth and nearly omnidirectional in both E and H planes, a feature that may be of interest in many mobile applications

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IEEE Transactions on Antennas and Propagation  (Volume:49 ,  Issue: 5 )