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Increase the Attenuation of an CPW Lowpass filter

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zesong

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Dear Friends,

I will need your advice on the following queries:

- How can I increase the rate of rolloff of attenuation on the S21 parameter for the CPW Lowpass filter after the cutoff frequency without increasing the no. of periodic cells.

Can I modify the dimension/Width of the CPW ground Plane?

Your Help is needed.

Many Thanks in advance !

Best Regards,
Zesong ^.^

(email : Zesong03@yahoo.com.sg)
 

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