Area Efficient Implementation of FIR Filter Using Distributed Arithmetic with Offset Binary Coding

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Provided by: Iosrjournals
Topic: Hardware
Format: PDF
In this paper, the authors present the realization of area efficient architecture using Distributed Arithmetic with Offset Binary Coding (DA-OBC) for implementation of Finite Impulse Response (FIR) filter. Area complexity in the algorithm of finite impulse response filter is mainly caused by multipliers. Among the multiplier less techniques of FIR Filter, distributed arithmetic is most preferred area efficient technique. In this technique, partial products of filter coefficients are precomputed and stored in LookUp Table (LUT) and the filtering is done by shift and accumulates operations on these partial products.
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