Integrable current-mode filter realisation using dual-output current conveyors for low-frequency operation

Ali Toker*, Serdar Özoǧuz

*Corresponding author for this work

Research output: Contribution to journalLetterpeer-review

12 Citations (Scopus)

Abstract

The realisation criteria of continuous-time current-mode (CM) active filters for low frequency operation are investigated. New lossless and lossy integrators for low frequency operation using dual-output current conveyors (DO-CCII) are proposed. Basing on these building blocks, a CM universal filter with low natural frequencies suitable for integrated circuit implementation is presented. Using the proposed filter, natural frequencies as low as a few ten hertz can be achieved on an integrated circuit chip without using any external passive components. The proposed circuit simultaneously produces three basic filter responses at its high impedance outputs and it has good passive and active sensitivity performance.

Original languageEnglish
Pages (from-to)145-149
Number of pages5
JournalAEU-Archiv fur Elektronik und Ubertragungstechnik
Volume55
Issue number2
DOIs
Publication statusPublished - 2001

Keywords

  • Active filters
  • Current-mode circuits
  • Multifunction filters

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