Key result
A proposed second-order multifunction filter topology based on a current differencing buffered amplifier successfully realized five filter functions with theoretical and simulation compliance.
The proposed CDBA-based multifunction filter design demonstrates theoretical and simulated compliance, with potential applications in medical device design.
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No practice change for medical devices; leaves open hardware validation of CDBA-based filters and oscillators.
In this study, we proposed a second-order multifunction filter topology based on a current differencing buffered amplifier. With the proposed topology, five filter functions can be realized. Sensitivity and non-ideal state analyses of the proposed circuit have been performed. In addition to the proposed second-order multifunction filter topology, the third-order quadrature oscillator circuit was operated as the application circuit. In both circuits, the theoretical work and simulation results are in compliance. The proposed design has potential in the medical device design field.
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Gökçen et al. (2022) studied this question. Second-order multifunction filter topology based on a current differencing buffered amplifier was evaluated on Realization of five filter functions and theoretical/simulation compliance. A proposed second-order multifunction filter topology based on a current differencing buffered amplifier successfully realized five filter functions with theoretical and simulation compliance.
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