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A new three inputs and single output voltage-mode universal biquadratic filter using only three plus-type differential difference current conveyors, two grounded capacitors and two grounded resistors is presented. The proposed circuit provides highpass, bandpass, lowpass, bandstop, and allpass voltage filters at high-input and low-output impedance, which enable easy cascadability of the circuit. No...
A new voltage-mode three inputs and one output universal biquadratic filter with high-input impedance employing six simple operational transconductance amplifiers (OTAs) and two grounded capacitors is presented. The proposed circuit offers the following features: realization of all the standard filter functions, that is, highpass, bandpass, lowpass, bandstop, and allpass filters; electronically tunable...
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