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Multi Input Single Output Biquadratic Universal Filter using OTRA

Romita Mullick*, Neeta Pandey**, Rajeshwari Pandey***

* PG Scholar, Department of Electrical Engineering, University of Pennsylvania.

**-*** Associate Professor, Department of Electronics and Communication Engineering, Delhi Technological University, Delhi, India.

Periodicity:June - August'2015
DOI : https://doi.org/10.26634/jcir.3.3.4783

Abstract

This paper proposes a Multi Input Single Output (MISO) voltage-mode universal biquadratic filter employing Operational Transresistance Amplifier (OTRA) as anactive element. All five standard filter functions namely Low Pass(LP), High Pass(HP), Band Pass(BP), Band Reject (BR) and All Pass (AP) are realized from the same circuit topology through appropriate input selections. The quality factor of the proposed configuration can be controlled independent of the angular frequency. Internally grounded input terminals of OTRA, render the proposed circuit insensitive to parasitic capacitances. The effect of non-ideal behaviour of the OTRA on the circuit performance is also analysed. Workability of the proposed filter is verified through SPICE simulations using 0.5 μm CMOS process parameters and the simulation results are in close agreement to the theoretical values.

Keywords

Operational Transresistance Amplifier (OTRA), Multi Input Single Output (MISO, Universal Biquadratic Filter, Low Pass (LP), High Pass (HP), Band Pass (BP), Band Reject (BR), All Pass (AP)

How to Cite this Article?

Mullick, R., Pandey, N., and Pandey, R. (2015). Multi Input Single Output Biquadratic Universal Filter using OTRA. i-manager’s Journal on Circuits and Systems, 3(3), 30-37. https://doi.org/10.26634/jcir.3.3.4783

References

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