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Compact conical line power combiner design using circuit models

Beyers, Ryno D. ; De Villiers, Dirk I. L. (2014)

CITATION: Beyers, R. D. & De Villiers, D. I. L. 2014. Compact conical line power combiner design using circuit models. IEEE Transactions on Antennas and Propagation, 62(11):2650-2658, doi:10.1109/TMTT.2014.2359855.

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ENGLISH ABSTRACT: A simple equivalent circuit model with empirical equations describing the peripheral feeding ports of conical line power combiners is presented. The model allows the entire structure to be designed using transverse electromagnetic circuit theory without the need for any full-wave simulations. A summary of the model extraction process is given and the accuracy of the proposed model is confirmed by favorable comparisons with full-wave simulations. The circuit based design method is used to design a compact conical line combiner showing measured performance similar to the current state of the art combiners in this technology, while being significantly smaller.

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