International Journal of Electronics · 1996 · 29 citations · 3 references
EngineeringElectrical EngineeringAnalog ElectronicsCircuit TheoryMicroelectronicsAnalog FiltersAnalog Integrated CircuitsCmos Circuit DesignMixed-signal Integrated Circuit DesignOperational AmplifiersSecond-order CircuitsCapacitorsCurrent-mode Circuit DesignCurrent-mode FiltersOperational Amplifier CircuitsOperational Transconductance Amplifier DesignOperational Transconductance AmplifiersTransconductance AmplifiersUniversal Filter Circuits
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.
3