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Voltage differencing transconductance amplifier based resistorless and electronically tunable wave active filter

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Abstract

This paper presents a systematic approach for the realization of resistorless wave active filter using voltage differencing transconductance amplifier. The proposed filter uses grounded capacitor and also possesses electronic tunability of cut-off frequency via bias current. The functionality of the proposed filter is verified for a 4th order low pass filter through PSPICE simulation using 0.18 µm TSMC CMOS technology parameter. Experimental results using commercially available IC LM13700/NS are also included which corroborate the theoretical and simulated results.

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Authors and Affiliations

  1. Department of Electronics and Communication Engineering, Delhi Technological University, Bawana Road, Delhi, 110042, India

    Neeta Pandey

  2. Department of Electronics and Communication Engineering, IMS Engineering College, Ghaziabad, India

    Praveen Kumar

  3. Department of Electronics Engineering, Indian School of Mines, Dhanbad, 826004, Jharkhand, India

    Sajal K. Paul

Authors
  1. Neeta Pandey
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  2. Praveen Kumar
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  3. Sajal K. Paul
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Corresponding author

Correspondence to Neeta Pandey.

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Pandey, N., Kumar, P. & Paul, S.K. Voltage differencing transconductance amplifier based resistorless and electronically tunable wave active filter. Analog Integr Circ Sig Process 84, 107–117 (2015). https://doi.org/10.1007/s10470-015-0546-7

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  • DOI: https://doi.org/10.1007/s10470-015-0546-7

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