How to determine Sigma delta mdulator coefficient??

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schwang1970

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sdm coefficient

Did any one know how to determin the SDM coefficient if I have know the NTF
tranfer function.Have any software to determin the coefficients?
Thank you!!
 

go to the website of matlab, there is a toolbox about Sigma delta, which maybe help you.
 

The first, you must determine which architecture is used. Then get the NTF expression according to the architecture. Using the two NTF expression, you can get the coefficient. The book analog integrated circuit design of David Johns gives a good example.
 

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