Lossless grounded admittance simulator using OTRA

  • Bal Chand Nagar
  • Sajal K. PaulEmail author
Mixed Signal Letter


In this paper, a generalized admittance simulator is presented. The proposed circuit uses two operational transresistance amplifiers (OTRAs), one voltage buffer and three passive components. The proposed generalized admittance simulator can realize three simulators namely lossless grounded positive inductance simulator, frequency dependent negative resistance (FDNR) simulator and capacitance simulator/multiplier without any matching constraint. The non-ideality analysis of the circuit is also given. The workability of the proposed admittance simulator is shown through the implementation of second order band pass filter using inductance simulator, second order low pass filter using FDNR and variable capacitance low pass filter using capacitance multiplier. PSPICE simulation results are included to verify theory.


Inductance simulator FDNR simulator Capacitance simulator Operational transresistance amplifier Integrated circuit 


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© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Department of Electronics and Communication EngineeringNational Institute of Technology PatnaPatnaIndia
  2. 2.Department of Electronics EngineeringIndian Institute of Technology (Indian School of Mines)DhanbadIndia

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