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Programmable Current-Mode Universal Active Filters Employing Current Conveyors

Active and Passive Electronic Components
Publication Date
  • Mathematics


Novel current-mode active filter circuits using current-conveyors are presented. The proposed circuits can realize all standard second-order filter functions. The circuits enjoy high output impedances and can, therefore, be easily cascaded to produce higher order filters. Moreover, the realized filter function can be easily programmed using at most a 13-bit digital number without changing the circuit topology.

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