COMPUTER AIDED DARLINGTON SYNTHESIS OF lü AN ALL PURPOSE IMMITTANCE FUNCTION

Abstract

: This work is the continuation of our high precision immittance synthesis paper series introduced in IEEE CAS-I.In the present manuscript, we modified the previously introduced high precision Bandpass LC—ladder synthesis algorithm toinclude the extraction of finite frequency and right half plane (RHP) transmission zeros of an impedance function asBrune/Darlington ype-C sections. Finite frequency and RHP transmission zeros are extracted employing our newlyintroduced modified impedance and chain parameters based algorithms one by one. After each transmission zero extraction,remaining immittance function is corrected using parametric approach. It is shown that propsed high precision synthesisalgorithms can synthesize immittance functions up to 40 reactive elements with accumulated relative error in the order of10'The modified high precision synthesis package is developed in MatLab environment and it is integrated with the realfrequency techniques to design matching networks over broadbands. Examples are presented to exhibit the usage ofthe newlyproposed high precision synthesis algorithms.