Coaxial End-Launched and Microstrip to Partial <formula formulatype="inline"><tex Notation="TeX">$H$</tex></formula>-Plane Waveguide Transitions


Conventional rectangular waveguides are commonly used for high power and other microwave and millimeter-wave applications. Their use at lower frequencies has been limited by their bulky nature. A new type of compact waveguide called a partial H-plane waveguide has previously been proposed that has only one quarter of the cross-sectional area of a conventional waveguide. However, only limited information relating to the feeding of such waveguides is available. This paper presents two types of transitions to partial H-plane waveguides from the coaxial and microstrip transmission mediums. Additionally, in the coaxial case, the transition is end-launched to offer collinear properties. The development of both transitions is discussed and optimized designs presented with simulated and measured results over H-band (3.95-5.85 GHz).

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@article{Kloke2015CoaxialEA, title={Coaxial End-Launched and Microstrip to Partial \$H\$-Plane Waveguide Transitions}, author={Kevin H. Kloke and Johan Joubert and Johann W. Odendaal}, journal={IEEE Transactions on Microwave Theory and Techniques}, year={2015}, volume={63}, pages={3103-3108} }