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Analysis of a waveguide-slot transmission line with a metal-dielectric insert in the slot

Vladimir G. Krizhanovski, Yu. V. Rassokhina


The paper gives in strict formulation the solution to the problem of proper waves in a waveguide-slot transmission line (WSL) with a rectangular metal-dielectric inclusion in the slot imitating the behavior of a cutoff diode in this line. An algorithm is deduced for calculation of the generalized matrix of wave scattering by a usual WSL on the WSL segment with a “diode”. Based on the calculated data about the reflection loss, a matching network for a microwave attenuator in two pin-diodes, composed of two WSL segments, is built and optimized.

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