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Interpolating and Decimating CIC filter based on sinc function

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GayathriN

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How to realize a sinc function using CIC filter for decimation and interpolation ??? Can I combine interpolation and decimaton methods inorder to get the complete response of a sinc function???
 

What do you want to achieve?

A sinc transfer function without decimation is achieved by a moving average filter.
 

Actually i am trying to realize sinc3 and sinc5 using CIC Filter..Truthfully, I have no idea where to start...
 

The question is still unclear. Do you want sinc^n filters without decimation? Or implement CIC?

As you should know from literature, transfer function of a CIC decimator isn't exactly sinc rather than the quotient of two sine^n functions which approaches sinc^n for large decimation factors.

https://www.edaboard.com/threads/363484/#post1556898
 

I want to implement Sinc^n filter as a cascade of integators and differentiators,
 

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