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A mixed-mode three phase sinusoidal oscillator (MTSO) employing Second Generation Dual-X Current Conveyor (DXCCII) as the active element is presented. A feedback scheme consisting of two lossy integrators followed by a lossless inverting integrator is employed to obtain three voltage-mode and three current-mode sinusoidal signals simultaneously. The oscillation conditions and oscillation frequencies...
This study describes the design of a multiphase sinusoidal oscillator (MSO) using CCCCTA-based allpass filters with grounded capacitors. The oscillation condition and oscillation frequency can be electronically/orthogonally controlled. The proposed MSO provides 2n (n≥2) phase signals that are equally spaced in phase and of equal amplitude. The circuit requires one CCCCTA, one electronic resistor and...
The digitally controlled current conveyor has been used to realize a novel digitally controlled impedance multiplier. The realized impedance multiplier can provide positive or negative multiplying factor with directly or inversely proportional to an n-bit digital control word. The digitally controlled multiplier is utilized for the realization of a first order continuous time filter with low pass...
In this paper a new circuit for second-order versatile (current mode as well as voltage mode) quadrature oscillator is proposed. The circuit employs three differential voltage current conveyors and all grounded passive components, ideal for IC implementation. The circuit also possesses non-interactive frequency control. PSPICE simulations using 0.5 mu CMOS parameters confirm the validity and practical...
In this paper a tunable four phase sinusoidal quadrature oscillator is realized using CMOS multi-output second generation current conveyors (MOCCIIs). The circuit uses only two CMOS MOCCII and provides four phase quadrature voltage outputs with equal magnitude at the oscillating frequency. The oscillator also exhibits independent frequency control. The proposed circuit is designed and verified using...
A function generator circuit using positive type second-generation current-controlled current conveyors [CCCII+]-based voltage mode non inverting band-pass filter (BPF) as a starting building block is proposed. A direct feedback path from the output to the input of the BPF is provided to obtain a sinusoidal oscillator. Then, [CCCII+(2)] of the sinusoidal oscillator is replaced by multioutput current-controlled...
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