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Czech Technical University in Prague, Czech Republic

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VSB - Technical University of Ostrava, Czech Republic

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Brno University of Technology, Czech Republic

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VSB - Technical University of Ostrava, Czech Republic


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Realization of Current Mode Universal Filter and a Dual-Mode Single Resistance Controlled Quadrature Oscillator Employing VDCC and Only Grounded Passive Elements

Manish Gupta, Tajinder Singh Arora

DOI: 10.15598/aeee.v15i5.2397


Abstract

The manuscript presents a circuit that can act as a universal filter as well as a single resistence controlled oscillator by unpretentiously changing the switch positions. The circuit employs only two active devices and all grounded passive elements. The utilization of only grounded passive components makes this circuit a better choice for integrated circuit implementation. The current mode biquadratic filter offers all the five basic responses along with independent tunability of its quality factor. The dual-mode quadrature sinusoidal oscillator offers explicit current outputs along with voltage outputs. The circuit also offers a simple and uncoupled condition of oscillation and frequency of oscillation. The typical analysis such as non-ideal, sensitivity and parasitic analysis along with the regular simulation results as well as experimental results are exposed here, to strengthen the design idea.

Keywords


Current Mode circuits; single resistance controlled oscillator; universal filter; voltage differencing current conveyor.

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