Abstract
In this paper we present a wave active filter based on Voltage Differencing Transconductance Amplifiers (VDTAs). The synthesis of active filters basically based on processing of wave quantities. The wave method is presented for basic building blocks of active filters i.e. a series inductor and parallel capacitor through which realization of various active circuits is made by appropriate connections. The proposed wave active filter is verified by realizing a 4th order low pass Butterworth filter using SPICE simulation with 0.18 μm TSMC CMOS technology parameters.
Highlights
The high order active filters can be realized by imitating the behavior of elements of LC ladder prototype filters and the approach for the designing of these filters has been already discussed in the literature [1]-[6] and the references cited therein
This paper presents the realization of wave active filter using a recently introduced Active Building Blocks (ABB) Voltage Differencing Transconductance Amplifiers (VDTAs)
Simulations are performed by using SPICE program with TSMC CMOS 0.18 μm process parameters
Summary
The high order active filters can be realized by imitating the behavior of elements of LC ladder prototype filters and the approach for the designing of these filters has been already discussed in the literature [1]-[6] and the references cited therein. The purpose of the method was to derive active filters based on scattering parameters. Synthesis of active filters is based on the use of wave quantities, the scattering matrix will play an important role in the concept, as already discussed in the reference [1] and [2]. This paper presents the realization of wave active filter using a recently introduced ABB VDTA. How to cite this paper: Singh, H., et al (2014) VDTA-Based Wave Active Filter.
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