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Basic Arithmetic Circuits
Linköping University, Department of Electrical Engineering, Computer Engineering. Linköping University, Faculty of Science & Engineering.ORCID iD: 0000-0003-3470-3911
Linköping University, Department of Electrical Engineering, Computer Engineering. Linköping University, Faculty of Science & Engineering.
2017 (English)In: Arithmetic Circuits for DSP Applications / [ed] Pramod Kumar Meher, Thanos Stouraitis, John Wiley & Sons, 2017, p. 1-32Chapter in book (Other academic)
Abstract [en]

General‐purpose DSP processors, application‐specific processors, and algorithm‐specific processors are used to implement different types of DSP systems or subsystems. They are typically used in applications involving complex and irregular algorithms while application‐specific processors provide lower unit cost and higher performance for a specific application, particularly when the volume of production is high. Most DSP applications use fractional arithmetic instead of integer arithmetic. Multimedia and communication applications involve real‐time audio and video/image processing which very often require sum‐of‐products (SOP) computation. The need of computing non‐linear functions arises in many different applications. The straightforward method of approximating an elementary function is to just store the values in a look‐up table typically leads to large tables, even though the resulting area from standard cell synthesis grows slower than the number of memory bits. It is of interest to find ways to approximate elementary functions using a trade‐off between arithmetic operations and look‐up tables.

Place, publisher, year, edition, pages
John Wiley & Sons, 2017. p. 1-32
Keywords [en]
arithmetic circuits, arithmetic operations, complex multiplication, DSP applications, look‐up tables, non‐linear functions, root computation, sum‐of‐products circuits, sum‐of‐products computation
National Category
Computer Systems Embedded Systems
Identifiers
URN: urn:nbn:se:liu:diva-150915DOI: 10.1002/9781119206804.ch1ISBN: 9781119206774 (print)OAI: oai:DiVA.org:liu-150915DiVA, id: diva2:1245375
Available from: 2018-09-05 Created: 2018-09-05 Last updated: 2018-09-05Bibliographically approved

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Gustafsson, OscarWanhammar, Lars

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CiteExportLink to record
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  • apa
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  • de-DE
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  • nn-NB
  • sv-SE
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Output format
  • html
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