Performance Analysis of Compensated CIC Filter in Efficient Computing Using Signed Digit Number System

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Provided by: Serials Publications
Topic: Hardware
Format: PDF
In this paper, the authors present efficient compensated Cascaded Integrator Comb (CIC) decimation filter to improve the passband of interest using redundant signed digit arithmetic. In redundant representations, addition can be carried out in a constant time independent of the word length of the operands. Most of the research in the last decades has concentrated on reducing the delay of addition. A hybrid adder can add an unsigned number to a signed-digit number and hence their efficient performance greatly determines the quality of the final output of the concerned circuit.
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