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Single Filter Frequency Masking High-Speed Recursive Digital Filters
Linköpings universitet, Tekniska högskolan. Linköpings universitet, Institutionen för systemteknik, Elektroniksystem.ORCID-id: 0000-0003-3470-3911
Linköpings universitet, Tekniska högskolan. Linköpings universitet, Institutionen för systemteknik, Elektroniksystem.
Linköpings universitet, Tekniska högskolan. Linköpings universitet, Institutionen för systemteknik, Elektroniksystem.
2003 (engelsk)Inngår i: Circuits, systems, and signal processing, ISSN 0278-081X, E-ISSN 1531-5878, Vol. 22, nr 2, s. 219-238Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

For recursive filter the maximal sample frequency is bounded by the recursive loops in the filter. [In this paper, it is understood that recursive filters are infinite-length impulse response (IIR) filters.] In this work, a filter structure based on the use of the frequency masking approach is presented that increases the maximal sample frequency for narrowband and wideband filters by introducing more delay elements in the recursive loops. By using identical subfilters (except for the periods), the subfilters can be mapped using folding to a single pipeline/interleaved arithmetic structure yielding an area-efficient implementation. The filters are potentially suitable for low-power implementation by using power supply voltage scaling techniques. In this work, the design of the filters is discussed and estimations of the ripples are derived. Two examples show the viability of the proposed method.

sted, utgiver, år, opplag, sider
2003. Vol. 22, nr 2, s. 219-238
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Identifikatorer
URN: urn:nbn:se:liu:diva-34597DOI: 10.1007/s00034-004-7028-yLokal ID: 22200OAI: oai:DiVA.org:liu-34597DiVA, id: diva2:255445
Tilgjengelig fra: 2009-10-10 Laget: 2009-10-10 Sist oppdatert: 2017-12-13

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Gustafsson, OscarJohansson, HåkanWanhammar, Lars

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