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Fully digitally programmable voltage mode universal filter

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Abstract

This paper presents a novel voltage mode universal filter (UF) using digitally programmable current feedback amplifier. The proposed filter configuration uses only one input variable and realizes all the five filter functions at single output port only. Generation of all the filter functions (types) at the single output port is governed digitally The UF is fully programmable as all the filter functions (types) and their parameters are independently programmable. Other salient features of UF include full cascadability by virtue of appropriate input/output port impedance and use of two grounded capacitors only.

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Authors and Affiliations

  1. Department of Electronics, Jamia Millia Islamia University, New Delhi, India

    Devesh Singh & Neelofer Afzal

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  1. Devesh Singh
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  2. Neelofer Afzal
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Correspondence to Neelofer Afzal.

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Singh, D., Afzal, N. Fully digitally programmable voltage mode universal filter. Analog Integr Circ Sig Process 81, 741–750 (2014). https://doi.org/10.1007/s10470-014-0418-6

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  • DOI: https://doi.org/10.1007/s10470-014-0418-6

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