Programmable Current-Mode Universal Active Filters Employing Current Conveyors
Author(s) -
Muhammad Taher Abuelma’atti
Publication year - 1998
Publication title -
active and passive electronic components
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.144
H-Index - 22
eISSN - 1026-7034
pISSN - 0882-7516
DOI - 10.1155/1998/80984
Subject(s) - active filter , electronic circuit , electronic engineering , filter (signal processing) , electronic filter , current (fluid) , active networking , electronic filter topology , electrical impedance , high impedance , computer science , topology (electrical circuits) , low pass filter , engineering , electrical engineering , prototype filter , voltage , telecommunications
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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