Abstract
In this paper, plus-type differential voltage current conveyor based two voltage-mode (VM) analog filters with high input impedance properties yielding easy cascadability with other VM circuits are proposed. The first proposed filter can simultaneously provide all the second-order universal filter responses except all-pass one, and employs only grounded passive elements that are canonical in number. The second one can simultaneously realize all the second-order universal filter responses, and includes one floating resistor, one grounded resistor and two grounded capacitors. No passive element matching condition is required for both of the proposed analog filters. However, both of the proposed filters do not have the feature of orthogonal control of angular resonance frequency and quality factor. Many simulations such as AC, transient, Monte Carlo, etc. are performed to denote the performances of both of the proposed analog filters.
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Alpaslan, H., Yuce, E. DVCC+ based multifunction and universal filters with the high input impedance features. Analog Integr Circ Sig Process 103, 325–335 (2020). https://doi.org/10.1007/s10470-020-01643-8
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DOI: https://doi.org/10.1007/s10470-020-01643-8