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Abdalla, K.K., Bhaskar, D.R. and Senani, R. (2012) A Review of the Evolution of Current-Mode Circuits and Techniques and Various Modern Analog Circuit Building Blocks. Nature and Science, 10, 1-13.

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• TITLE: CMOS Realization of VDTA Based Electronically Tunable Wave Active Filter with Minimum Power Consumption at Low Supply Voltage ±0.82 V

  AUTHORS: Ghanshyam Singh

  KEYWORDS: Wave Active Filter, Voltage Differencing Transconductance Amplifier, Voltage/Current Mode, CMOS Technology

  JOURNAL NAME: Circuits and Systems, Vol.11 No.2, February 28, 2020

  ABSTRACT: This paper presents a higher order voltage and current mode low pass or high pass filter for wave active filter based on Voltage Differencing Transconductance Amplifiers (VDTAs). The wave equivalent variable technique and topological simulation as well as operational realization using wave variables techniques are proposed for basic active building blocks of wave active filters. The proposed wave equivalent technique is employed for wave active filter with the proper selection of the terminal connections. This work presented the basic element for the realizing wave active filter is the series inductor with parallel grounded capacitor. The proposed wave active filter is verified by realizing a 4th order low pass and high pass Butterworth filter with minimum power consumption at ±0.82 V using SPICE simulation with 0.18 μm TSMC CMOS technology parameters.