Passband Droop and Stopband Attenuation Improvement of Decimation Filters Using Interpolated Fourth-Order Polynomials 


Vol. 29,  No. 6, pp. 777-784, Jun.  2004


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  Abstract

In this paper, a new filter structure to improve frequency response characteristics in decimation filter using CIC(Cascaded Integrator-Comb) filters and half band filters is proposed. Conventional filters improve only passband characteristics, but we propose a new filter which can improve stop band and pass band characteristics simultaneously. Since proposed filter needs only two multiplication, additional implementation cost is not much
And overall linear phase characteristics are maintained since the proposed filter is also linear phase. Finally, filter coefficients quantization effects are discussed after Verilog-HDL coding.

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  Cite this article

[IEEE Style]

Y. Jang, W. Lee, Hyeon-Joong, "Passband Droop and Stopband Attenuation Improvement of Decimation Filters Using Interpolated Fourth-Order Polynomials," The Journal of Korean Institute of Communications and Information Sciences, vol. 29, no. 6, pp. 777-784, 2004. DOI: .

[ACM Style]

Young-Beom Jang, Won-Sang Lee, and Hyeon-Joong. 2004. Passband Droop and Stopband Attenuation Improvement of Decimation Filters Using Interpolated Fourth-Order Polynomials. The Journal of Korean Institute of Communications and Information Sciences, 29, 6, (2004), 777-784. DOI: .

[KICS Style]

Young-Beom Jang, Won-Sang Lee, Hyeon-Joong, "Passband Droop and Stopband Attenuation Improvement of Decimation Filters Using Interpolated Fourth-Order Polynomials," The Journal of Korean Institute of Communications and Information Sciences, vol. 29, no. 6, pp. 777-784, 6. 2004.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880