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S. I. Liu, H. W. Tsao and J. Wu, “CCII-Based Continuous-Time Filters with Reduced Gain Bandwidth Sensitivity,” IEEE Proceedings of Circuits, Devices & Systems, Vol. 139, No. 2, 1991, pp. 210-216.

has been cited by the following article:

• TITLE: Universal Current-Mode Biquad Employing Dual Output Current Conveyors and MO-CCCA with Grounded Passive Elements

  AUTHORS: Kasim Karam Abdalla

  KEYWORDS: Current-Mode Filters; Current Conveyors; Analog Circuit Design; CMOS Circuits

  JOURNAL NAME: Circuits and Systems, Vol.4 No.1, January 28, 2013

  ABSTRACT: A new universal multiple input multiple output (MIMO) type current-mode biquad employing two dual output current conveyors (DOCCII), one multiple output current controlled current amplifier (MOCCCA) and four passive grounded elements is proposed which can realize all the five basic filtering functions namely, low-pass (LP), high-pass (HP), band-pass (BP), band-stop (BR) and all-pass (AP) in current mode from the same configuration. The centre frequency can be set by the passive elements of the circuit and the quality factor Q0 is electronically tunable through bias currents of the MOCCCA. Therefore, the biquad filter has independent tenability for the and Q0. The active and passive sensitivities of Q0 and are low. The workability of the new configuration has been demonstrated by PSPICE simulation results based upon a CMOS CCII in0.35μm technology.