Ultra-wideband loose coupling directional couplers with high directivity


This paper presents the development of ultra-wideband directional couplers having weak coupling and high directivity; couplers composed of 50Ω transmission lines and capacitors are cascaded. An even-odd-analysis of the single elements is carried out and design equations are given for the whole structures. In order to overcome the increasing coupling… (More)


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@article{Mextorf2013UltrawidebandLC, title={Ultra-wideband loose coupling directional couplers with high directivity}, author={Henning Mextorf and Reinhard H Knochel}, journal={2013 European Microwave Conference}, year={2013}, pages={294-297} }