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A current-mode quadrature oscillator using single current differencing transconductance amplifier (CDTA), 1 resistor and 2 grounded capacitors is presented. The proposed oscillator can provide 2 sinusoidal output currents with 90° phase difference. The oscillation condition and oscillation frequency can be controlled electronically by adjusting the bias current of the CDTA. High output impedances...
This article presents a 3rd order current-mode quadrature oscillator using current controlled current conveyor transconductance amplifiers (CCCCTAs) as active elements. The proposed circuit is realized from a non-inverting lossless integrator and an inverting second-order lowpass filter. The oscillation condition and oscillation frequency can be electronically/orthogonally controlled via input bias...
This paper presents a transadmittance mode universal filter with two inputs and four outputs using three multiple output current controlled conveyors (MO-CCCII) and two grounded capacitors. It can realize low pass, high pass, band pass, notch and all pass responses at high output impedance. The filter enjoys low sensitivity performance and low component spread; and exhibits electronic and orthogonal...
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