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This paper presents a new multistage CIC-cosine decimation filter. The cascade of expanded cosine prefilters is added to improve the stopband CIC characteristic. The passband characteristic of this filter is improved by adding the simple 2M-order compensation filter, where M is the decimation factor. Using the multirate identity the compensation filter is moved to a lower rate. The resulting structure...
This paper presents the design of the low power comb-based decimation filter with the following characteristics: a low wideband pass band droop and a high stop band attenuation of the overall filter. Low power consumption is achieved by multiplier less design and eliminating filtering at high input rate. To this end the decimation is split into two stages with the cascaded less order comb filters...
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