Impedance modeling of a whisker mounted in a rectangular waveguide

Theoretical impedance modeling of metal whiskers, which are extensively used in millimeter- and submillimeter-wave Schottky diode mixers and frequency multiplier circuits, is presented. The moment method with Galerkin's technique is employed to analyze this structure with the help of the dyadic Green's function in a rectangular waveguide. The effects of whiskers with various types of shape on the embedding impedance are investigated. Theoretical results show good agreement with related results published previously.<>