Abstract
In this study four proposed structures for the digital decimation filter which is used in D A / ∑ ∆ converters of Asymmetrical Digital Subscriber Line (ADSL) are presented. Single multi rate (Finite Impulse Response) FIR, single multi rate (Infinite Impulse Response) IIR, three stages comb-FIR-FIR and comb-IIR-FIR are the four proposed structures. The hardware minimization is considered for each structure. The simulation results and the implementation of each structure are presented. Finally, a comparison between the four proposed structures is done to choose the best proposed structure based on the hardware cost.
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More From: Research Journal of Applied Sciences, Engineering and Technology
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