Abstract
A novel Multiple Input Single Output (MISO) universal biquad filter topology realized using Current Feedback Operational Amplifiers (CFOAs) is introduced in this paper. With regards to the corresponding already published MISO universal biquads with CFOAs, the proposed topology simultaneously offers the benefits of employing only grounded capacitors, absence of any imposed constraint related to the values of input signals, and orthogonal adjustment between the quality factor and resonant frequency of the filter. The operation of the proposed biquad has been verified through experimental results by utilizing the commercially available AD844 CFOA discrete component.
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Nikoloudis, S., Psychalinos, C. Multiple Input Single Output Universal Biquad Filter with Current Feedback Operational Amplifiers. Circuits Syst Signal Process 29, 1167–1180 (2010). https://doi.org/10.1007/s00034-010-9194-4
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DOI: https://doi.org/10.1007/s00034-010-9194-4