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Coupling effect - microstrip lines

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jayce3390

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Hi,
I want to design a coupled line along an existing circuit. I want a coupling effect of 10 dB for example.

Theorically, does it exist a mathematical expression giving the distance between lines versus coupling effect?



Thank you
 

etmabreu

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As far as I can see, you are using ADS/Momentum do do your work.

Go to ADS, from the component palette choose "Passive circuit DG Lines -> MCline".

MCline stands for "microstrip coupled line". Just input requested data on element parameters and invoke the menu "DesignGuide -> passive circuit" and let ADS do the iterative maths for you.
 

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