A cross-guide waveguide directional coupler with high directivity and broad bandwidth
IEEE Microwave and Wireless Components Letters(2013)
Abstract
A cross-guide waveguide directional coupler (patent pending) with high directivity and broad bandwidth is proposed in this letter. It consists of two rectangular waveguides (called main waveguide and branch waveguide) crossing at a certain angle and sharing a common broad wall. High directivity is achieved by adding metal inserts in the branch waveguide in the coupling region near the crossed roun...
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Key words
Couplings,Directional couplers,Bandwidth,Rectangular waveguides,Apertures
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