Abstract
Two new voltage mode and current mode first order multifunction filters based on a new analog building block; current controlled differential difference current conveyor transconductance amplifier (CCDDCCTA) is presented. The presented filters are two input single output configurations. It uses single CCDDCCTA and single capacitor only. It provides voltage mode and current mode high pass (HP), low pass (LP) and all pass (AP) responses and all responses are electronically tunable by bias current. The block has been designed using CMOS 0.25 μm TSMC technology process parameters. The performances of filters are examined with PSPICE OrCAD 16.6 simulator. Simulation results verify the theory.
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