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This research work brings operational transresistance amplifier (OTRA) based second order universal filter, with three main filter optimizations like Butterworth, Chebyshev and Bessel. The universal filter offers all five sections of filter responses likes: Low-Pass, High-Pass, Band-Pass, BandRejection and All-Pass. Design is based on the RC-RC decomposition technique. Finally, simulation results are performed to verify the theoretical results using ORCAD 10.5 circuit simulator.

OTRA Based Second Order Universal Filter and its optimization like Butterworth, Chebyshev and Bessel