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C. Wang, H. Liu and Y. Zhao, “A New CurrentMode CurrentControlled Universal Filter Based on CCCII (±),” Circuits System Signal Processing, Vol. 27, No. 5, 2008, pp. 673682.

has been cited by the following article:

• TITLE: Universal Current-Controlled Current-Mode Biquad Filter Employing MO-CCCCTAs and Grounded Capacitors

  AUTHORS: Sajai Vir Singh, Sudhanshu Maheshwari, Durg Singh Chauhan

  KEYWORDS: Biquad, Current-Mode, Universal Filter

  JOURNAL NAME: Circuits and Systems, Vol.1 No.2, October 26, 2010

  ABSTRACT: This paper presents a universal current-controlled current-mode biquad filter employing current controlled current conveyor trans-conductance amplifiers (CCCCTAs). The proposed filter employs only three MO- CCCCTAs and two grounded capacitors. The proposed filter can simultaneously realize low pass (LP), band pass (BP), high pass (HP), band reject (BR) and all pass (AP) responses in current form by choosing appropriate current output branches. In addition, the pole frequency and quality factor of the proposed filter circuit can be tuned independently and electronically over the wide range by adjusting the external bias currents. The circuit possesses low active and passive sensitivity performance. The validity of proposed filter is verified through PSPICE simulations.