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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 article presents a new current-mode squarer based on MO-CCTA (multiple output current conveyor transconductance amplifier). The circuit description is very simple, its construction consists of merely 2 MO-CCTAs. Without external passive elements, the proposed circuit is then suitable for IC architecture. The PSPICE simulation and experimental results are depicted, and agree well with the theoretical...
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