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Scattering at an N-Furcated Parallel-Plate Waveguide Junction (Short Paper)

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2 Author(s)

Using the conservation of complex power technique (CCPT), this paper presents a solution to the problem of EM scattering at the junction of a parallel-plate waveguide and an N-furcated parallel-plate waveguide with arbitrarily spaced thick septa. Although this junction can be regarded as an (N + 1)-port configuration, the problem is formulated so that it is viewed mathematically as a generalized 2-port. This leads to very simple expressions for the scattering parameters of the junction. Convergent numerical results are presented for bifurcated, trifurcated, and 4-furcated structures, and the effects of varying the thickness of the septa are investigated. The formulation is directly applicable to N-furcated rectangular waveguide junctions having TEn0 excitation, with application in the design of E-plane filters.

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Microwave Theory and Techniques, IEEE Transactions on  (Volume:33 ,  Issue: 9 )