Abstract
This paper introduces a single input multi output (SIMO) current mode universal biquadratic filter using low voltage Multioutput Operational Floating Conveyors (MOOFCs) along with grounded passive components. The circuit is constructed with two MOOFCs, and four grounded components. The circuit can realize all standard biquadratic responses i.e., low pass, high pass, band pass, band elimination and all pass filter, without any matching conditions. The filter circuit is simple in structure and has high impedance outputs enables easy cascading in current mode operations and can realize all standard high order filters. The proposed circuit also has the additional advantage of low component count, low sensitivity, and high performance at low supply voltage of ± 0.75 volts. The performance of the filter is verified through PSPICE simulation.
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