Journal of Applied Sciences ›› 1996, Vol. 14 ›› Issue (1): 60-66.

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CCⅡ-BASED-βRC CURRENT-MODE BIQUADRATIC FILTER DESIGN

XIAO GAOBIAO, WU JIE   

  1. Huanan University
  • Received:1994-07-11 Revised:1994-11-08 Online:1996-03-31 Published:1996-03-31

Abstract: A class of current-mode biquads using the -β current amplifier and RO components are presented in this paper.They are derived directly from the Salled-Key -kRO voltage-mode biquads by dual transformation.COⅡ devices are used as convenient current amplifiers here. These biquads can be cascaded directly.

Key words: current-mode biquads, dual-transformation, -β current amplifier, CCⅡ devices