What is it about?
A new three op-amp based circuit is presented which simulates a floating lossless inductor whose value can be varied through a single variable resistance. The circuit employs a grounded capacitor as preferred for IC implementation.
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Why is it important?
It was demonstrated for the first time that three op-amp based simulation of a lossless floating inductor having the capability of providing a single-resistance controllable variable inductance is possible while employing a grounded capacitor.
Perspectives
It was shown how a 3-port lossless gyrator could be synthesised using three unity gain summing and difference amplifiers each of which was realised with a single opamp and four equal valued resistances.
Professor Raj Senani
Netaji Subhas Institute of Technology
Read the Original
This page is a summary of: Realisation of single-resistance-controlled lossless floating inductance, Electronics Letters, January 1978, the Institution of Engineering and Technology (the IET),
DOI: 10.1049/el:19780560.
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