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1 Journal of Telecommunications and Information Technology

1 2001

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A broadband uniplanar quasi-Yagi antenna - parameter study in application to a spatial power combiner

Białkowski M.E., Song H.J., Kabacik P.

Journal of Telecommunications and Information Technology

2001

nr 4

41-47

A parameter study is performed of a broadband uniolanar 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 handwidth 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.