Journal Article10.1049/EL:19660239
Loss-compensated active gyrator using differential-input operational amplifiers
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TL;DR: A method of simulating grounded or floating inductance is described, which is dependent on invertor action associated with a well known T-π transformation, and which uses differential-input amplifiers.
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Abstract: A method of simulating grounded or floating inductance is described, which is dependent on invertor action associated with a well known T-π transformation, and which uses differential-input amplifiers. The circuit has been used as an oscillator, in low-frequency bandpass and low-pass filters, and also for simulating second-order transfer functions.
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Citations
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Smart Structures Theory
Inderjit Chopra,Jayant Sirohi +1 more
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TL;DR: In this article, the authors focus on smart materials, structures and systems, which are also referred to as intelligent, adaptive, active, sensory and metamorphic, and the purpose of these materials from the perspective of smart systems is their ability to minimize life-cycle cost and/or expand the performance envelope.
Novel lossless and lossy grounded inductor simulators consisting of a canonical number of components
TL;DR: In this paper, four series lossy inductor simulators including a minimum number of active and passive components, a current feedback operational amplifier (CFOA), two resistors and a capacitor, are proposed.
78
Active simulation of inductors using current conveyor
TL;DR: Some new active networks are proposed for the simulation of grounded and floating inductors, employing only one capacitor, two or three resistors and the second-generation current conveyor as the active element.
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Single DDCC based new immittance function simulators employing only grounded passive elements and their applications
Ahmet Abaci,Erkan Yuce +1 more
TL;DR: Two grounded immittance function simulators (IFSs) employing only grounded passive elements and one differential difference current conveyor are developed in this study and two floating IFS are obtained from the grounded ones.
28
Nonideal negative resistors and capacitors using an operational amplifier
K. Soundararajan,K. Ramakrishna +1 more
TL;DR: In this article, the effect of nonideal characteristics of the operational amplifier such as finite frequency-dependent gain and output impedance on the performance of the negative impedances is analyzed, and detailed equivalent circuits showing the additional positive or negative inductive impedances due to the non ideal characteristics are given for negative resistance and negative capacitance realizations, and their relative performances are compared.
28
References
Active filters and oscillators using simulated inductance
R.L. Ford,F.E.J. Girling +1 more
TL;DR: In this paper, a circuit for simulating an inductor is described, which uses standard voltage amplifiers and RC networks and is particularly suitable for use in high-pass filters and as a simple 2-phase oscillator circuit.
68
Method of replacing ungrounded inductors by grounded gyrators
A.G.J. Holt,James Taylor +1 more
TL;DR: The problem of replacing ungrounded inductors with grounded gyrators and capacitors is solved and a practical example of a low-pass third-order elliptic-function filter is given.
42
Derivation of some basic negative-immittance-convertor circuits
TL;DR: Several realisations of the voltage-inverting type of convertor are derived from the × 2-gain controlled-source representation as discussed by the authors, and two sets of circuits are then shown to be transformable into each other.
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