Indian Journal of Science and Technology

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Multistage Implementation of Multirate CIC Filters


Affiliations
1 ECE, DCRUST, Campus Murthal, Sonepat, Haryana-131001, India
2 ECE, MVN Education City, Palwal- 121102, Haryana, India
 

In this paper a multistage multirate CIC filter has been compared with a FIR Filter. FIR filters are widely used in implementation of Digital Filters, but with some disadvantages like higher number of computational coefficients requirement and less computational speed. In this work we have shown that CIC filters are better choice than the single stage CIC or FIR Filters for multirate filtering structures and further improvement can be made by cascading different stages of CIC Filters.

Keywords

CIC Filters, FIR Filters, Sample Rate Conversion (SRC), Decimator, Interpolators, MATLAB
User

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  • Multistage Implementation of Multirate CIC Filters

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Authors

Anil Singh
ECE, DCRUST, Campus Murthal, Sonepat, Haryana-131001, India
Poonam Singhal
ECE, DCRUST, Campus Murthal, Sonepat, Haryana-131001, India
Rajeev Ratan
ECE, MVN Education City, Palwal- 121102, Haryana, India

Abstract


In this paper a multistage multirate CIC filter has been compared with a FIR Filter. FIR filters are widely used in implementation of Digital Filters, but with some disadvantages like higher number of computational coefficients requirement and less computational speed. In this work we have shown that CIC filters are better choice than the single stage CIC or FIR Filters for multirate filtering structures and further improvement can be made by cascading different stages of CIC Filters.

Keywords


CIC Filters, FIR Filters, Sample Rate Conversion (SRC), Decimator, Interpolators, MATLAB

References





DOI: https://doi.org/10.17485/ijst%2F2011%2Fv4i8%2F30901