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[SOLVED] Line impedance calculation of two-stage Wilkinson Divider

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mr_evo

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Hello, dear colleages!
As we know the impedance of quarter wave line in one stage Wilkinson Power Divider (WPD) is equal to sqrt(2)*Z0. But how to calculate the line impedances for two-stage WPD?

Best regards.
 
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Hi, one of the important parameter for multistage wilkinson power divider is the bandwidth (ratio: f2/f1) you want to realize. And impedance of the quarter wave-lines depend on this ratio. For a two-stage WPD, you can realize bandwidth ratio of either 1.5 or 2.

Go through the below paper for more details:
"A class of Broadband three port TEM mode hybrids" by S.B.Cohn

-sv
 
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    mr_evo

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sv, thank you. This paper really helped me.
 

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