Novel RC Sinusoidal Oscillator Using Second-Generation Current Conveyor

Khan, Anwar A.; Bimal, Sadanand; Dey, Koustav; Roy, Shibendu Shekhar

doi:10.1109/tim.2005.859141

Cited by 51 publications

(32 citation statements)

References 29 publications

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“…Using an AD844 IC to realize the CFOA, its equivalent model can be shown in Fig. 1(b) [17]. The typical values of the parasitic components of the AD844 are Ry…”

Section: Proposed Cfoa-based Quadrature Oscillatorsmentioning

confidence: 99%

“…A quadrature oscillator is used because the circuit simultaneously provides two sinusoids with 90°phase difference for a variety of applications, such as in telecommunications for quadrature mixers, in single-sideband generators, in direct-conversion receivers, or in vector generators or selective voltmeters for measurement purposes [3]. In the last two decades on the realization of voltage-mode oscillators, an application of current-feedback operational amplifier (CFOA) [3,4,5,6,7,8,9,10,11,12], double current controlled current feedback amplifier (DCC-CFA) [13], currentcontrolled current feedback amplifier (CC-CFA) [14], differential voltage current conveyor transconductance amplifier (DVCCTA) [15], differential-input buffered and transconductance amplifier (DBTA) [16], and second-generation conveyor (CCII) [17] have received considerable attention. Moreover, the four terminal CFOA, particularly the commercial available integrated circuit (IC) type AD844 providing an accessible compensation pin, has received prominent attention [3,4,5,6,7,8,9,10,11,12].…”

Section: Introductionmentioning

confidence: 99%

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Quadrature oscillators using two CFOAs and four passive components

Chen

Wang

et al. 2015

IEICE Electron. Express

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Two new quadrature sinusoidal oscillators using current-feedback operational amplifiers (CFOAs) as an active building block are proposed. The proposed circuits use two CFOAs with the minimum number of passive elements, namely two resistors and two grounded capacitors. The use of only grounded capacitors makes the proposed circuits ideal for integrated circuit implementation. Both proposed circuits offer the advantages of orthogonal control of the oscillation condition and oscillation frequency, availability of two quadrature sinusoidal voltage outputs and low active and passive sensitivity performances. The HSPICE simulation and experimental results are provided to demonstrate the theoretical analysis. Keywords: quadrature oscillator, active circuit, CFOA Classification: Integrated circuits

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“…Using an AD844 IC to realize the CFOA, its equivalent model can be shown in Fig. 1(b) [17]. The typical values of the parasitic components of the AD844 are Ry…”

Section: Proposed Cfoa-based Quadrature Oscillatorsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Quadrature oscillators using two CFOAs and four passive components

Chen

Wang

et al. 2015

IEICE Electron. Express

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“…In particular, not only such circuits can be realized using current conveyors while avoiding complex design equations but also the resulting circuits employ invariably the least possible number of passive components. We highlight some exemplary circuits exhibiting these features from amongst many such circuits advanced by various researchers in the literature, for instance, [2,14,18,31,41,43,47,51,54,62].…”

Section: Srcos Employing Grounded Capacitorsmentioning

confidence: 99%

Realization of Sinusoidal Oscillators Using CCs

2014

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“…Second example is quite interesting quadrature oscillator obtained by simple modification of the same SFG. Recently, many oscillator conceptions based on the current conveyors have been published, for example [34][35][36][37][38][39][40][41][42][43][44][45][46][47][48][49][50]. Some of these applications are not tunable [38, 41 and 42].…”

Section: Introductionmentioning

confidence: 99%

An Example of Easy Synthesis of Active Filter and Oscillator using Signal Flowgraph Modification and Controllable Current Conveyors

Šotner¹,

Hrubos²,

Sevcik³

et al. 2011

Journal of Electrical Engineering

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The paper deals with synthesis of active frequency filters and oscillators for applications in the video band. The synthesis is based on the modified signal flow graph design approach in the current mode. The commercially available high frequency current conveyors and second order structures are used. Basic structure is employing loss-less and lossy current mode integrators in two distributed feedback loops. Some of the used active elements allow to control current gain which is very useful in applications. High frequency multi-functional filter and electronically adjustable quadrature oscillator configurations are discussed. Most of the used passive elements (mainly capacitors) are grounded which is suitable for IC implementation.Simulation and experimental results demonstrate function and features very well.

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Novel RC Sinusoidal Oscillator Using Second-Generation Current Conveyor

Cited by 51 publications

References 29 publications

Quadrature oscillators using two CFOAs and four passive components

Quadrature oscillators using two CFOAs and four passive components

Realization of Sinusoidal Oscillators Using CCs

An Example of Easy Synthesis of Active Filter and Oscillator using Signal Flowgraph Modification and Controllable Current Conveyors

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