UGC Approved Journal no 63975

ISSN: 2349-5162 | ESTD Year : 2014
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Published in:

Volume 3 Issue 10
October-2016
eISSN: 2349-5162

UGC and ISSN approved 7.95 impact factor UGC Approved Journal no 63975

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Published Paper ID:
JETIR1610039


Registration ID:
160480

Page Number

254-259

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Title

A Design Approach for Compressor Based Approximate Multipliers

Abstract

Multipliers are usually deemed as a critical component in digital signal processor design since a large number of multiplications are required in DSP applications. Inexact (or approximate) computing is an attractive paradigm for digital processing at nano metric scales. Inexact computing is particularly interesting for computer arithmetic designs. This paper deals with the analysis and design of two new approximate 4-2 compressors for utilization in a multiplier. These designs rely on different features of compression, such that imprecision in computation can meet with respect to circuit-based figures of merit of a design. Four different schemes for utilizing the proposed approximate compressors are proposed and analyzed for a Dadda multiplier. Binary logarithms can be used to perform computer multiplication through simple addition. Exact logarithmic conversion is prohibitively expensive for use in general multipliers; however, inexpensive estimate conversions can be used to perform approximate multiplication. Such approximate multipliers have been used in domain-specific applications, but existing designs either offer superior efficiency or flexibility. The results show that the proposed designs accomplish significant reductions in power dissipation, delay and transistor count compared to an exact design.

Key Words

Compressor, Dadda Multiplier, Inexact Computing, Approximate Circuits.

Cite This Article

"A Design Approach for Compressor Based Approximate Multipliers", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.3, Issue 10, page no.254-259, October-2016, Available :http://www.jetir.org/papers/JETIR1610039.pdf

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2349-5162 | Impact Factor 7.95 Calculate by Google Scholar

An International Scholarly Open Access Journal, Peer-Reviewed, Refereed Journal Impact Factor 7.95 Calculate by Google Scholar and Semantic Scholar | AI-Powered Research Tool, Multidisciplinary, Monthly, Multilanguage Journal Indexing in All Major Database & Metadata, Citation Generator

Cite This Article

"A Design Approach for Compressor Based Approximate Multipliers", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.3, Issue 10, page no. pp254-259, October-2016, Available at : http://www.jetir.org/papers/JETIR1610039.pdf

Publication Details

Published Paper ID: JETIR1610039
Registration ID: 160480
Published In: Volume 3 | Issue 10 | Year October-2016
DOI (Digital Object Identifier):
Page No: 254-259
Country: --, --, -- .
Area: Engineering
ISSN Number: 2349-5162


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