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2007•Journal of Sichuan UniversityRequires access

A new modified sharpened CIC filter

Fang Deng

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Abstract

An improved cascaded-integrator-comb(CIC) filter is proposed in the paper.The delay factor of the traditional CIC filter is changed in the improved filter and the sharpen technique and the polyphase decomposition technique are applied to the filter.Compared with the traditional filter,the improved filter has less signal distortion and power consumption.The simulation result shows that the improved filter has a small passband droop and a higher bandstop attenuation.

About this research paper

What this paper is about

An improved cascaded-integrator-comb(CIC) filter is proposed in the paper.The delay factor of the traditional CIC filter is changed in the improved filter and the sharpen technique and the polyphase decomposition technique are applied to the filter.Compared with the traditional filter,the improved filter has less signal distortion and power consumption.The simulation result shows that the improved filter has a small passband droop and a higher bandstop attenuation.

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Available abstract

An improved cascaded-integrator-comb(CIC) filter is proposed in the paper.The delay factor of the traditional CIC filter is changed in the improved filter and the sharpen technique and the polyphase decomposition technique are applied to the filter.Compared with the traditional filter,the improved filter has less signal distortion and power consumption.The simulation result shows that the improved filter has a small passband droop and a higher bandstop attenuation.

Key concepts: Capacitor-input filter, Band-stop filter, Butterworth filter, Voltage-controlled filter, All-pass filter, Root-raised-cosine filter, Filter design, High-pass filter

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