Introduction - If you have any usage issues, please Google them yourself
. Introduction of the interpolation and Extractor This two kinds of CIC filter structure and properties of their respective, from the mathematical analysis of its performance and its relationship with the FIR filter, from the frequency domain to display its essence. And to discuss its internal register with the smallest bit overflow protection, and finally introduce the Extractor and interpolator, respectively, in the FPGA to achieve the general methods, and pointed out that a number of measures to improve performance and recommendations