Design Multiplier-less CIC Filter with Compensators Providing Minimum Passband Attenuation
Journal Title: International Journal of engineering Research and Applications - Year 2018, Vol 8, Issue 6
Abstract
Multirate filters find application in communication, speech processing, image compression, antenna systems, analog voice privacy systems and in the digital audio industry. The cascaded integrator-comb filter is a digital filter which employed multiplier-less realization. In this paper, we present a method for the design of simple multiplier-less compensators based on the minimization of the peak-to-peak passband deviation. This type of filter has extensive applications in low-cost implementation of interpolators and decimators. It combines the cascaded integrator-comb (CIC) multirate filter structure with compensation techniques to improve the filter’s passband response. Simulation results show the magnitude responses and passband attenuation of the CIC filters, CIC filter with compensator and multiplier-less CIC filter with compensator.
Authors and Affiliations
Sushmita Daxin, Dr. Anubhuti Khare
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