Determination of the Optimum Square Resistance of Absorbing Vanes of the Rotary Vane Attenuator
Abstract
Dependence on the square resistance of the linear attenuation caused by an absorbing vane in a circular waveguide is investigated. The maximal attenuation is determined to be attained at the square resistance values in the range 130-150 . Special constructions of impedance-matched low-reflectivity absorbing vanes are proposed and production-ready structural calculation are carried out.
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