Realization of active-C voltage mode third order band pass filter with current controlled current conveyor (CCCII)

A voltage mode active-C third order band pass filter is presented. The proposed filter uses a single dual output current controlled current conveyor (DOCCCII), two current controlled current conveyors (CCCIIs) and three equal valued grounded capacitors. The theoretical results are verified with PSPICE simulation using parameters of bipolar transistors PR100N (PNP) and NR100N (NPN). Frequency response, time response and total harmonic distortion for the presented filter are shown in this paper. The proposed filter offers the following important features: use of minimum number of current controlled current conveyors (CCCIIs) and passive components, no matching constraint, use of all grounded capacitors suitable for integration, cut off frequency can easily be electronically adjusted, absence of external resistor which is suitable for IC Design.