A novel first-order log-domain allpass filter

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Kircay A., Cam U.

AEU-INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATIONS, vol.60, no.6, pp.471-474, 2006 (SCI-Expanded)

• Publication Type: Article / Article
• Volume: 60 Issue: 6
• Publication Date: 2006
• Doi Number: 10.1016/j.aeue.2005.06.003
• Journal Name: AEU-INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATIONS
• Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
• Page Numbers: pp.471-474
• Keywords: log-domain filters, state-space synthesis, allpass filter
• Dokuz Eylül University Affiliated: Yes

Abstract

This paper proposes a first-order allpass log-domain filter, which is systematically derived using the state-space synthesis procedure. To the best knowledge of the authors, the filter is the first log-domain first-order allpass filter in the literature. The proposed filter has a simple structure and can be electronically tuned. PSPICE simulations are given to confirm the theoretical analysis. (c) 2005 Published by Elsevier GmbH.