1972•IEEE Transactions on Microwave Theory and TechniquesRequires access

Automated Attenuation Test in Multimodal Waveguides by Resonance Return-Loss or Insertion-Loss Measurements

G.A. Mastellari, Carlo Giacomo Someda, Francesco Valdoni

Abstract

Two methods for testing short lengths of multimodal circular waveguides, working in the TE/sub 01/ mode accompanied by many spurious modes are described. One method is based on the measurement of the return loss of a resonant one-port cavity; the second one measures the insertion loss of a cavity coupled to the rectangular main waveguide. Automatic data selection and manipulation are emphasized.

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Key concepts: Insertion loss, Return loss, Attenuation, Spurious relationship, Waveguide, Port (circuit theory), Materials science, Resonance (particle physics)