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ADS symmetric coupler implementation irrational results

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antenna_beginner

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Hello Slawomir, i have built a 9 section simmetric coupler by the table bellow from the attached article, i attached every calculation of every cell bellow,
why i get such a bad result, its not supposed to be
do you have any idea why its happening,from the S parameter results i get the ports are not even matched?

Thanks


View attachment 01126050_simetry (1).pdf 1.JPG5.JPG4.JPG3.JPG6.JPG8.JPG7.JPG9.JPG10.JPG2.JPG

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this last part is not converging ,is there a way i could solve this convergence problem?
i need to keep the Zeo and coupling values .
11.JPG
 

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