Current mode fractional order band pass and band reject filter using VDTAs

Kumar, Mayank ; Prasad, Dinesh ; Akram, Md W

Abstract

In this proposed work, current mode fractional order band pass and band reject filters using voltage differencing trans-conductance amplifier (VDTAs) as an active building block have been proposed. The approximated transfer function of the band stop and band pass filters on the basis of the integer order transfer function has been shown and the similar form of the approximate transfer function has been implemented for the band stop and band pass filters by using VDTAs as an active building block. In this work, fractional order band stop and band pass filters of the different orders have been realized. The operation of the design has been tested using simulation results on PSPICE with TSMC CMOS 180 nm technology parameters.

Keyword(s)

Voltage differencing trans-conductance amplifier; Fractional order; Band pass filter; Band reject filter

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