Filter Parameter Extractor

Compatibility:

The Filter Parameter Extractor is a software tool that enables fitting of measured or calculated S-parameters with rational function approximations, using a pole-residue form. Filter Parameter Extractor employs the Vector Fitting algorithm, a pole relocation technique where the poles are improved on in an iterative manner [1].

Filter Parameter Extractor generates a rational function matrix file containing the poles-residue form of the fitted Y-parameters, calculated from the input S-parameters. OptiSPICE uses this file as an input to the S-Parameter and Optical filter elements.

 

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