Biquadratic Filter Applications Using a Fully-Differential Active-Only Integrator

Hacer Atar Yildiz*, Ali Toker, Serdar Özoǧuz

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)


A new class of active filters, real active-only filters, is described and possible implementation issues of these filters are discussed. To remedy these issues, a fullydifferential active-only integrator block built around current controlled current conveyors is presented. The integration frequency of the proposed circuit is adjustable over a wide frequency range. As an application, a real active-only filter based on the classical two-integrator loop topology is presented and designed. The feasibility of this filter in a 0.35 μm CMOS process is verified through SPECTRE simulation program in the CADENCE design tool.

Original languageEnglish
Pages (from-to)3-13
Number of pages11
Issue number1
Publication statusPublished - Apr 2013


  • Active-only filters
  • Analog filter design.
  • Current controlled current conveyors


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