Search for: [Description = "A parameter study is performed of a broadband uniplanar quasi\-Yagi antenna with regard to its design and use in a spatial power combiner. A 3D full\-wave electromagnetic field analysis is applied to identify parameters, which mostly affect the design frequency and operational bandwidth of this antenna. Optimal design conditions are determined. Using these design criteria a passive spatial power combiner employing trays of back\-to\-back connected quasi\-Yagi antennas is developed. This combiner is investigated in terms of insertion losses and field uniformity, which are key factors in obtaining high power combining efficiency."]

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