Abstract
This paper describes a new second-order current-mode filter using dual output operational transconductance amplifiers (DO-OTA) and grounded capacitors. The circuit consists of four DO-OTAs and two grounded capacitors, is of the two integrator loop structures, and realizes the basic LP, BP, HP functions. Generation of universal current-mode filter configurations based on basic current-mode DO-OTA-C filters by using input current distributors and/or output current summers are also discussed.
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