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C. M. Chang, B. M. Al-Hashimi, H. P. Chen, S. H. Tu and J. A. Wan, “Cur-rent Mode Single Resistance Controlled Oscillators Using Only Grounded Passive Elements,” Electronics Letters, Vol. 38, No. 39, 2002, pp. 1071-1072. doi:10.1049/el:20020714

has been cited by the following article:

• TITLE: A State Variable Method for the Realization of Universal Current-Mode Biquads

  AUTHORS: Raj Senani, Kasim Karam Abdalla, Data Ram Bhaskar

  KEYWORDS: Analog Electronics, Circuit Theory and Design, Current Mode Circuits, Universal Biquads, Current Conveyors

  JOURNAL NAME: Circuits and Systems, Vol.2 No.4, October 24, 2011

  ABSTRACT: A state variable method of converting single-resistance-controlled- oscillators (SRCO), into universal current-mode biquad (offering realizations of all the five standard filter functions namely, low pass, band pass, high pass, notch and all pass) has been highlighted. The workability of the exemplary implementation of the derived current-mode universal biquad has been demonstrated by PSPICE simulation results based upon 0.35 μ m technology. It is expected that the proposed method can be applied to other SRCOs to generate other multifunction filter structures.