Design of Ultra Wideband Antennas in the Form of Planar Electric or Magnetic Monopoles

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An efficient approach to design ultra wideband (UWB) antennas in the form of planar electric and magnetic monopoles is presented. Simple design formulas for this type of radiators are described and their validity is tested via full electromagnetic analysis with Ansoft High Frequency Structure Simulator (HFSS). In the presented examples, Low Temperature Cofired Ceramic (LTCC) in the form of 1mm thick DuPont951 material is assumed as the antenna substrate. The presented results show that using this substrate, very compact UWB antennas can be developed. Simulations using HFSS prove the high accuracy of the proposed design method. The designed antennas feature near omnidirectional characteristics and good radiation efficiency.
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